thermal engineer

LVI Associates

<div>
 <p>
  Thermal Engineer (Mechanical)
 </p>
 <p>
  <strong>
   Location:
  </strong>
  Pelzer, SC (Hybrid/Onsite)
 </p>
 <p>
  <strong>
   Travel:
  </strong>
  ~5-10%
 </p>
 <p>
  Overview
 </p>
 <p>
  A global leader in mission‑critical infrastructure solutions is seeking a
  <strong>
   Thermal Engineer
  </strong>
  to serve as the
  <strong>
   Lead Mechanical Engineer
  </strong>
  for advanced modular and transportable building solutions. This role focuses on the conceptual and detailed design of thermal, HVAC, and ventilation systems supporting high‑reliability environments such as data centers and industrial facilities.
 </p>
 <p>
  The ideal candidate brings a strong thermal background, hands‑on design experience, and the ability to collaborate across engineering, integration, and commissioning teams to deliver high‑quality, cost‑effective solutions.
 </p>
 <p>
  Key Responsibilities
 </p>
 <ul>
  <li>
   Act as
   <strong>
    Lead Mechanical Engineer
   </strong>
   for the design of thermal and ventilation systems, including HVAC, cooling systems, fire suppression layouts, cable management, equipment layouts, and general arrangements.
  </li>
  <li>
   Develop conceptual, schematic, detailed, and construction‑level mechanical designs.
  </li>
  <li>
   Perform thermal transfer calculations, including fire ratings and thermal bridge analysis.
  </li>
  <li>
   Conduct basic CFD analysis to support design decisions.
  </li>
  <li>
   Ensure designs comply with applicable federal, state, and local building codes and regulations.
  </li>
  <li>
   Coordinate with authorities having jurisdiction (AHJs) to support permitting and compliance.
  </li>
  <li>
   Review and approve mechanical product submittals.
  </li>
  <li>
   Create SD, DD, and CD narratives for mechanical design scopes.
  </li>
  <li>
   Produce general layout and integration drawings for mechanical systems.
  </li>
  <li>
   Specify materials and systems including ductwork, cable tray, busway, wireway, fiber and cable management systems.
  </li>
  <li>
   Collaborate with internal teams, external partners, and preferred vendors to select appropriate mechanical equipment.
  </li>
  <li>
   Support presales efforts through conceptual module design and technical input.
  </li>
  <li>
   Provide technical support throughout construction and integration phases.
  </li>
  <li>
   Perform quality control during system integration and support onsite commissioning, testing, and validation.
  </li>
  <li>
   Travel to project sites as needed to support reviews, audits, startups, and field coordination.
  </li>
  <li>
   Engage directly with customers to develop optimized, creative engineering solutions.
  </li>
 </ul>
 <p>
  Qualifications
 </p>
 <ul>
  <li>
   Bachelor's degree in
   <strong>
    Mechanical Engineering
   </strong>
   with a thermal focus (or equivalent experience).
  </li>
  <li>
   <strong>
    4+ years
   </strong>
   of mechanical engineering experience.
  </li>
  <li>
   PE license preferred but not required.
  </li>
  <li>
   Experience with HVAC and thermal systems in industrial, modular, or mission‑critical environments.
  </li>
  <li>
   Working knowledge of building codes related to modular or transportable structures.
  </li>
  <li>
   Proficiency in
   <strong>
    AutoCAD
   </strong>
   and
   <strong>
    Revit
   </strong>
   (Autodesk suite).
  </li>
  <li>
   Strong ability to read and interpret construction drawings and equipment specifications.
  </li>
  <li>
   Experience producing detailed engineering documentation.
  </li>
  <li>
   Strong analytical and problem‑solving skills with a creative, solution‑oriented mindset.
  </li>
  <li>
   Excellent written and verbal communication skills.
  </li>
  <li>
   Comfortable working cross‑functionally and in customer‑facing situations.
  </li>
 </ul>
 <p>
  What's Offered
 </p>
 <ul>
  <li>
   Opportunity to work on cutting‑edge, mission‑critical infrastructure projects.
  </li>
  <li>
   Exposure to the full lifecycle: presales, design, integration, and commissioning.
  </li>
  <li>
   A collaborative engineering culture with emphasis on innovation and quality.
  </li>
  <li>
   Stability of a global organization combined with the agility of a growth‑focused environment.
  </li>
  <li>
   Competitive compensation and comprehensive benefits.
  </li>
 </ul>
 <p>
 </p>
</div>


Thermal Engineer

<div><div><h2 class="jobSectionHeader"><b>Position Description:</b></h2>
<p>Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you!We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth. We are excited about what we do, and we need you on our team as we take on exciting challenges for NASA's pursuits in deep space exploration. As NASA's largest engineering solutions provider working together with NASA at centers across the United States.<br>
<br>
This position is located in Houston, TX.</p>
</div><div><h2 class="jobSectionHeader"><b>Your future duties and responsibilities:</b></h2>
<ul><li>Develop and maintain high-fidelity thermal models using tools such as Thermal Desktop and SINDA/FLUINT.</li><li>Perform steady-state and transient thermal analyses for spacecraft components and integrated systems.</li><li>Evaluate thermal performance under various mission phases, including launch, transit, lunar orbit, and quiescent modes.</li><li>Support thermal verification activities, including test planning, data analysis, and model correlation.</li><li>Collaborate with design teams to optimize thermal control strategies (e.g., insulation, heaters, radiators) and provide</li></ul>
guidance on thermal considerations.<br>
<ul><li>Participate in design reviews, technical interchange meetings, and anomaly investigations.</li><li>Document analysis results and present findings to internal stakeholders and NASA customers.</li><li>Reviewing and providing feedback on NASA and vendor thermal designs to ensure compliance with requirements and</li></ul>
best practices.
</div><div><h2 class="jobSectionHeader"><b>Required qualifications to be successful in this role:</b></h2>
<ul><li>Bachelor's degree in Engineering and a minimum of 2-5 years of experience in the field or in a related area</li><li>Experience with thermal analysis tools such as but not limited to Thermal Desktop, COMSOL, Ansys Fluent, or similar industry standard software.</li><li>Proven experience in thermal analysis and design for aerospace systems.</li><li>Excellent oral and written communication skills and the ability to coordinate support from a wide range of technical disciplines.</li><li>Strong capability to assess and validate thermal designs for technical accuracy and compliance.</li></ul>
<br>
Desired qualifications/non-essential skills required:<br>
<br>
<ul><li>BS degree in engineering from an accredited engineering school and a minimum of two (2) years of direct engineering experience.</li><li>Familiar with JSC organizations, processes, and procedures.</li><li>The ability to coordinate support from a wide range of technical disciplines.</li><li>Experience in the design, analysis, testing, certification, and operation of space PTCS systems and components, which may include but are not limited to multilayer insulation (MLI), thermal blankets, surface coatings, radiators, heat pipes, and other passive thermal hardware during pre-launch, flight, and post-landing phases.</li><li>Experience with Thermal Desktop is preferred.</li><li>Familiarity with the Engineering Life Cycle process.</li></ul><br>
CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit-based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $79,600.00 - $156,700.00.<br>
<br>
CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:
<br>
.Competitive compensation<br>
.Comprehensive insurance options<br>
.Matching contributions through the 401(k) plan and the share purchase plan<br>
.Paid time off for vacation, holidays, and sick time<br>
.Paid parental leave<br>
.Learning opportunities and tuition assistance<br>
.Wellness and Well-being programs<br>
<br>
#CGIFederalJob<br>
#LI-MB7<br>
#ClearanceJobs<br>
</div><div><h2 class="jobSectionHeader"><b>Skills:</b></h2>
<ul><li>Systems Engineering</li>
<li>Technical Analysis</li>
</ul></div><div><h2 class="jobSectionHeader"><b>What you can expect from us:</b></h2>
<p><b>Together, as owners, lets turn meaningful insights into action.</b><br>
<br>
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, youll reach your full potential because<br>
<br>
You are invited to be an owner from day 1 as we work together to bring our Dream to life. Thats why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our companys strategy and direction.<br>
<br>
Your work creates value. Youll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.<br>
<br>
Youll shape your career by joining a company built to grow and last. Youll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
<br>
<br>
Come join our teamone of the largest IT and business consulting services firms in the world.<br>
<br>
Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.<br>
<br>
CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at US_Employment_Compliance@cgi.com. You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. <b>Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.</b><br>
<br>
We make it easy to translate military experience and skills! to be directed to our site that is dedicated to veterans and transitioning service members.<br>
<br>
All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.<br>
<br>
CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGIs legal duty to furnish information.</p></div></div>

Passive Thermal Control System (PTCS) Thermal Analysis Engineer (ADV000CIN)

Blue Origin

<div><div>Application close date:</div>
Applications will be accepted on an ongoing basis until the requisition is closed.<div></div><div>
At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We&rsquo;re working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight!</div><div></div>
This role is part of Advanced Concepts and Enterprise Engineering (ACE), supporting Blue Origin&rsquo;s mission of millions of people living and working in space for the benefit of Earth. The team fosters innovation and drives engineering workflows of the future, shared solutions and standards, simplicity and lower costs, and manufacturable design.<div></div><div>
As part of a hardworking team of specialists, technicians, and engineers you will conduct material tests and interpret data in support of all of Blue's various spaceflight systems. The data you collect will directly influence failure investigations and inform material selection decisions. This role will be hands-on in a laboratory environment, working together with a team to analysis samples and generate results.</div><div></div><div>
We are looking for someone to apply their technical expertise, leadership skills, and commitment to quality to positively impact safe human spaceflight. Passion for our mission and vision is required!</div><div></div><div>
Special Mentions:</div><ul><li>
Relocation provided</li><li>
Travel expected up to 5% of the time</li><li>
Shifts available:<ul><li>
First shift</li></ul></li><li>
Interviews will include a technical assessment</li></ul><div></div><div>
Responsibilities include but are not limited to:</div><ul><li>
Operate and maintain materials testing and analytical equipment (Gleeble, DSC, STA, Thermal Analysis).</li><li>
Execute test plans according to ASTM standards, or work with other engineers to design bespoke test plans, including sample preparation, fixturing, and data reporting and analysis.</li><li>
Document procedures, calibration steps, and test results with strong discipline and clarity, partner with engineers to validate test configurations and communicate results that inform design decisions.</li><li>
Provide guidance to early career technicians/technical specialist on equipment setup, fabrication techniques, and safe work practices.</li><li>
Conduct thermal analysis of metal alloys and polymeric materials</li></ul><div></div><div>
Minimum Qualifications:</div><ul><li>
BS Mechanical Engineering, Aerospace Engineering, or equivalent</li><li>
2+ years of thermal testing experience</li><li>
Demonstrated ability to author test documentation, such as plans and reports</li></ul><div></div><div>
Preferred Qualifications:</div><ul><li>
Experience in testing at cryogenic and/or elevated temperatures</li><li>
Experience with vacuum testing</li><li>
Experience with mechanical testing</li><li>
Knowledge in Python</li></ul><div></div><div><br>
Compensation Range for:</div>
WA applicants is $121,023.00 - $169,432.20<div></div><div>
Other site ranges may differ</div><div></div><div>
Culture Statement</div><div>
Don&rsquo;t meet all desired requirements? Studies have shown that some people are less likely to apply to jobs unless they meet every single desired qualification. At Blue Origin, we are dedicated to building an authentic workplace, so if you&rsquo;re excited about this role but your past experience doesn&rsquo;t align perfectly with every desired qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.</div><div></div><div>
Export Control Regulations</div><div>
Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.</div><div></div><div>
Background Check</div><ul><li><div>
Required for all positions: Blue&rsquo;s Standard Background Check</div></li><li><div>
Required for Certain Job Profiles: Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation</div></li><li><div>
Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training.</div></li><li><div>
Required for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical</div></li></ul><div></div><div>
Benefits</div><ul><li><div>
Benefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave, short and long-term disability, 401(k) with a company match of up to 5%, and an Education Support Program.</div></li><li><div>
Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays.</div></li><li><div>
Dependent on role type and job level, employees may be eligible for benefits and bonuses based on the company's intent to reward individual contributions and enable them to share in the company's results, or other factors at the company's sole discretion. Bonus amounts and eligibility are not guaranteed and subject to change and cancellation. Please check with your recruiter for more details.</div></li></ul><div></div><div>
Equal Employment Opportunity</div><div>
Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws, including the Washington Fair Chance Act, the California Fair Chance Act, the Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws.</div><div></div><div>
Affirmative Action and Disability Accommodation</div><div>
Applicants wishing to receive information on Blue Origin&rsquo;s Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us at <div>EEOCompliance@blueorigin.com</div>. Please note this is a publicly managed inbox. Please do not include any personal medical information in your request.</div><div></div><div>
California Applicant Privacy Notice</div><div>
If you are a California resident, please reference the CA Applicant Privacy Notice <div>here</div>.</div></div>

Thermal Testing Engineer III

Raytheon

<div><p><b>Date Posted:</b></p>
2026-03-19<p><b>
Country:</b></p>
United States of America<p><b>
Location:</b></p>
US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805<p><b>
Position Role Type:</b></p>
Onsite<p><b>
U.S. Citizen, U.S. Person, or Immigration Status Requirements:</b><b>
</b></p>Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
<p><b>Security Clearance Type:
</b></p>DoD Clearance: Secret<p><b>
Security Clearance Status:
</b></p>Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date<p></p><p><b>
We're growing fast and we want you to grow with us! We're expanding our engineering organization dramatically to meet exciting customer demand, and we're actively looking for engineers who bring strong foundational skills and a passion for solving hard problems. Industry experience in defense? Not required &mdash; we'll invest in you. If you meet the minimum qualifications, we want to talk. Apply today and take the next step in your engineering career.</b></p><p></p><p>
At Raytheon, the foundation of everything we do is rooted in our values and a higher calling &ndash; to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today&rsquo;s mission and stay ahead of tomorrow&rsquo;s threat. Our team solves tough, meaningful problems that create a safer, more secure world.</p><p></p><p>
The Mechanical Analysis and Test (MA&amp;T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products. From preliminary concepts to fielded weapon system support, MA&amp;T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental &amp; empirically based techniques to state-of-the-art finite element methods leveraging industry leading commercial tools; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions.</p><p></p><p>
Raytheon is seeking a mid-level career Senior Thermal Engineer to join the MA&amp;T Department. The Thermal Engineer is responsible for detailed thermal analysis on products throughout their lifecycle from initial design trade studies and proposals through qualification testing to enduring production support. The analyses will cover a wide range of difficult problems, requiring solutions that are imaginative, thorough, practicable, and consistent with organization objectives. The analysis tasks will span the spectrum from classical hand analyses to detailed analyses requiring the use of finite element analysis software. A Thermal Engineer of this salary grade is expected to have a level of technical competence with thermodynamic principles. The Thermal Engineer will be held accountable for completing his/her work within the agreed upon cost and schedule. Additionally, the selected candidate will be expected to present their work for peer reviews and to be a peer reviewer for other engineers&rsquo; work. Finally, the engineer is expected to plan and support tests, perform data reduction and engage in thermal model correlation.</p><p></p><p><b>
What You Will Do</b></p><ul><li>
Perform Hand Calculations to determine scope of higher detail analysis models</li><li>
Perform detailed thermal analyses to solve various program thermal challenges</li><li>
Generate test plans required to validate analyses and verify hardware compliance to customer requirements</li><li>
Analyze test data to validate and correlate models</li><li>
Work with experienced analysts on problems of moderate complexity to provide the answers needed under program cost and schedule constraints</li><li>
Review your work with peers to ensure technical accuracy</li><li>
Present results to internal, external, and government customers</li><li>
Generate detailed documentation of work and archive for reference</li><li>
Act as a technical leader (help define/refine and/or develop MA&amp;T department technical processes and tools) and/or lead analysis/test teams</li></ul><p></p><p><b>
Qualifications You Must Have</b></p><ul><li>
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.</li><li>
Experience in thermal analysis with any of the following tools: FloTHERM, PATRAN, Thermal Desktop/SINDA, ANSYS or equivalent.</li><li>
Experience in mechanical principles to solve classical thermal analysis solutions.</li><li>
Experience in thermal testing: Planning, organization, execution, data reduction and/or correlation.</li></ul><p></p><p><b>
Qualifications We Prefer
</b></p><ul><li>Experience with solid modeling CAD tool such as CREO or equivalent.</li><li>
Experience in Electronics Cooling and Aerodynamic Heating Analyses.</li><li>
Experience working in production support.</li><li>
Demonstrated experience in leading a team of thermal analysts on program efforts.</li><li>
Demonstrated experience in leading thermal testing, including model correlation.</li><li>
Experience presenting to external customers.</li><li>
Willingness to travel to government and other facilities in support of program activities.</li><li>
Degree in Mechanical or Aerospace Engineering.</li></ul><p></p><p><b>
What We Offer</b></p><ul><li>
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.</li><li>
Relocation Eligibility: This position is eligible for relocation</li></ul><p></p><p><b>
Learn More &amp; Apply Now!</b></p><p>
Please consider the following role type definition as you apply for this role.</p><ul><li>
Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.</li><li>
This position requires onsite work in Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-location</li></ul><p></p><p><b><i>
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.</i></b></p><p></p>
The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate&rsquo;s work experience, location, education/training, and key skills.<p></p>
Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.<p></p>
Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company&rsquo;s performance.<p></p>
This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.<p></p>
RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.<p></p><p><i>
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans&rsquo; Readjustment Assistance Act.</i>
</p><p></p><p><b>Privacy Policy and Terms:</b></p><p>
Click on this link to read the Policy and Terms</p></div>

Senior Mechanical Engineers, Thermal – Actively Growing Our Engineering Team!

<div><p><b>Date Posted:</b></p>
2026-03-19<p><b>
Country:</b></p>
United States of America<p><b>
Location:</b></p>
US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805<p><b>
Position Role Type:</b></p>
Onsite<p><b>
U.S. Citizen, U.S. Person, or Immigration Status Requirements:</b><b>
</b></p>Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
<p><b>Security Clearance Type:
</b></p>DoD Clearance: Secret<p><b>
Security Clearance Status:
</b></p>Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date<p></p><p><b>
We're growing fast and we want you to grow with us! We're expanding our engineering organization dramatically to meet exciting customer demand, and we're actively looking for engineers who bring strong foundational skills and a passion for solving hard problems. Industry experience in defense? Not required &mdash; we'll invest in you. If you meet the minimum qualifications, we want to talk. Apply today and take the next step in your engineering career.</b></p><p></p><p>
At Raytheon, the foundation of everything we do is rooted in our values and a higher calling &ndash; to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today&rsquo;s mission and stay ahead of tomorrow&rsquo;s threat. Our team solves tough, meaningful problems that create a safer, more secure world.</p><p></p><p>
The Mechanical Analysis and Test (MA&amp;T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products. From preliminary concepts to fielded weapon system support, MA&amp;T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental &amp; empirically based techniques to state-of-the-art finite element methods leveraging industry leading commercial tools; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions.</p><p></p><p>
Raytheon is seeking an early career Thermal Engineer to join the MA&amp;T Department. The Thermal Engineer is responsible for detailed thermal analysis on products throughout their lifecycle from initial design trade studies and proposals through qualification testing to enduring production support. The analyses will cover a wide range of difficult problems, requiring solutions that are imaginative, thorough, practicable, and consistent with organization objectives. The analysis tasks will span the spectrum from classical hand analyses to detailed analyses requiring the use of finite element analysis software. A Thermal Engineer of this salary grade is expected to have a level of technical competence with thermodynamic principles. The Thermal Engineer will be held accountable for completing his/her work within the agreed upon cost and schedule. Additionally, the selected candidate will be expected to present their work for peer reviews and to be a peer reviewer for other engineers&rsquo; work. Finally, the engineer is expected to plan and support tests, perform data reduction and engage in thermal model correlation.</p><p></p><p><b>
What You Will Do</b></p><ul><li>
Perform Hand Calculations to determine scope of higher detail analysis models</li><li>
Perform detailed thermal analyses to solve various program thermal challenges</li><li>
Generate test plans required to validate analyses and verify hardware compliance to customer requirements</li><li>
Analyze test data to validate and correlate models</li><li>
Work with experienced analysts on problems of moderate complexity to provide the answers needed under program cost and schedule constraints</li><li>
Review your work with peers to ensure technical accuracy</li><li>
Present results to internal, external, and government customers</li><li>
Generate detailed documentation of work and archive for reference</li></ul><p></p><p><b>
Qualifications You Must Have</b></p><ul><li>
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience or an Advanced Degree in a related field.</li><li>
Experience in thermal analysis with any of the following tools: FloTHERM, PATRAN, Thermal Desktop/SINDA or ANSYS or equivalent.</li><li>
Experience in mechanical principles to solve classical thermal analysis solutions.</li></ul><p></p><p><b>
Qualifications We Prefer
</b></p><ul><li>Ability to work in a collaborative, team-based environment and independently.</li><li>
Experience with solid modeling CAD tool such as CREO or equivalent.</li><li>
Experience in Electronics Cooling and Aerodynamic Heating Analyses.</li><li>
Experience in production support.</li><li>
Demonstrated experience in thermal testing: Planning, organization, execution, data reduction and correlation.</li><li>
Experience presenting to external customers.</li><li>
Willingness to travel to government and other facilities in support of program activities.</li><li>
Degree in Mechanical or Aerospace Engineering.</li></ul><p></p><p><b>
What We Offer</b></p><ul><li>
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.</li><li>
Relocation Eligibility: This position is eligible for relocation</li></ul><p></p><p><b>
Learn More &amp; Apply Now!</b></p><p>
Please consider the following role type definition as you apply for this role.</p><ul><li>
Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.</li><li>
This position requires onsite work in Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-location</li></ul><p></p><p><b><i>
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.</i></b></p><p></p>
The salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate&rsquo;s work experience, location, education/training, and key skills.<p></p>
Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.<p></p>
Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company&rsquo;s performance.<p></p>
This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.<p></p>
RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.<p></p><p><i>
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans&rsquo; Readjustment Assistance Act.</i>
</p><p></p><p><b>Privacy Policy and Terms:</b></p><p>
Click on this link to read the Policy and Terms</p></div>

Mechanical Engineers II, Thermal – Actively Growing Our Engineering Team!

Excelon Solutions

<div>
 <p>
  <strong>
   Title: System Engineer, HVAC
  </strong>
 </p>
 <p>
  <strong>
   Location: Charlotte, NC - Onsite
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Key Skills: HVAC, Thermal simulation, Thermodynamic.
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   JD:
  </strong>
 </p>
 <ul>
  <li>
   Thermodynamic based modeling and optimization of chiller system design.
  </li>
  <li>
   Develop chiller system architecture that meets or exceeds the product development requirement.
  </li>
  <li>
   Collaborate with manufacturing faculties to effectively implement design into production.
  </li>
  <li>
   Collaborate with the product marketing teams globally to develop product requirements and meet their needs when launched.
  </li>
  <li>
   Chiller design and project management process
  </li>
  <li>
   Collaboration with cross function team on requirement/design/manufacture/maintenance
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  Required Qualifications:
 </p>
 <ul>
  <li>
   Masters/Bachelor Degree in Engineering
  </li>
  <li>
   5+ years of experience in Thermal and/or Refrigeration Engineering
  </li>
 </ul>
 <p>
 </p>
</div>


System Engineer - HVAC

Quantum Space

<div><p><b>Job Description</b></p>
<p>
Quantum Space is redefining mobility and autonomy beyond Earth orbit. Our Ranger spacecraft deliver high delta-V and sustained on-orbit maneuverability, enabling missions across cislunar and geostationary space that were previously out of reach. We are building the vehicles, infrastructure, and operational expertise that connect and protect assets across the Earth&ndash;Moon system.</p><br>
<p><b>
Who We&rsquo;re Looking For</b></p>
<p>
We are seeking a Mechanical Engineer III to lead the design and development of electric propulsion hardware and associated subsystems, from concept through flight.</p><p></p><p><br>
This role is intended for an experienced engineer who can own propulsion-related hardware, drive design decisions, and deliver flight-ready systems. You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams.</p><p></p><p><b><br>
Where You&rsquo;ll Make an Impact</b></p>
<ul>
<li>Own mechanical design of electric propulsion subsystems (thruster assemblies, structural interfaces, feed systems, thermal management hardware)</li>
<li>Lead architecture and packaging trades for propulsion integration</li>
<li>Develop and release high-quality CAD models and drawings with full GD&amp;T</li>
<li>Perform and guide structural and thermal analysis (including high-temperature and vacuum environments)</li>
<li>Drive integration and testing of propulsion systems, including anomaly resolution and root cause analysis</li>
<li>Define and execute verification strategies (analysis, inspection, test)</li>
<li>Lead design reviews (PDR/CDR) and communicate technical decisions clearly</li>
<li>Coordinate with suppliers and manufacturing partners for precision and high-performance components</li>
<li>Mentor junior engineers and elevate team technical capability</li>
<li>Ensure designs meet performance, manufacturability, and reliability requirements</li><br>
</ul>
<p><b>What It Takes</b></p>
<ul>
<li>BS or MS in Mechanical Engineering or related field</li>
<li>5&ndash;10+ years of experience developing hardware, preferably in high-performance aerospace systems</li>
<li>Strong proficiency in Creo (or similar CAD) and drawing release processes</li>
<li>Deep understanding of GD&amp;T (ASME Y14.5)</li>
<li>Experience owning hardware through full lifecycle (design  build  test  qualification/flight)</li>
<li>Strong background in structural and thermal analysis</li>
<li>Proven ability to lead technical efforts and drive decisions</li>
<li>Strong troubleshooting and root cause analysis capability</li>
<li>Ability to work on-site in the LA area</li><br>
</ul>
<p><b>Nice-to-Have Experience</b></p>
<ul>
<li>Direct experience with electric propulsion systems</li>
<li>Familiarity with plasma environments and material selection for EP systems</li>
<li>Experience with thermal management in high-power-density systems</li>
<li>Proficiency with FEA tools (ANSYS, Nastran, etc.)</li>
<li>Experience with environmental testing (TVAC, vibration, life testing)</li>
<li>Familiarity with PLM systems (Windchill or similar)</li><br>
</ul>
<p><b>What You&rsquo;ll Get</b></p>
<ul>
<li><b>Ownership</b> &ndash; Lead development of critical propulsion hardware</li>
<li><b>Technical Depth</b> &ndash; Work on cutting-edge electric propulsion systems</li>
<li><b>Leadership</b> &ndash; Mentor engineers and influence system architecture</li>
<li><b>Compensation</b> &ndash; Competitive salary, equity, and comprehensive benefits</li><br>
</ul>
<p><b>Additional Requirements</b></p>
<p>
To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain required authorizations.</p></div>

Mechanical Engineer III - Advanced Programs

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