principal mechanical engineer

Building Services General Jobs

<div>A leading multidisciplinary engineering consultancy is seeking an experienced and forward-thinking Principal Mechanical Building Services Engineer to join its growing UK team. This is a key leadership role focused on delivering innovative, sustainable building services solutions while acting as a trusted advisor to a diverse client base. This organisation is committed to delivering sustainable, future-focused solutions to the built environment&rsquo;s most pressing challenges. You&rsquo;ll be joining a collaborative team of experts working at the forefront of engineering design, with the autonomy to make an impact and the support to grow your career.
Role:
You will take ownership of mechanical design delivery across a broad portfolio of projects spanning sectors such as commercial, residential, hospitality, and energy efficiency. Working within collaborative, cross-disciplinary teams, you will play a central role in shaping both technical outcomes and team development.
Responsibilities:
<ul><li>Leading mechanical design from early concept through to project completion on complex schemes</li>
<li>Acting as a primary client interface, translating business needs into practical engineering solutions</li>
<li>Supporting project inception activities including brief development, technical workshops, and design reviews</li>
<li>Embedding low-carbon and energy-conscious design principles into all stages of delivery</li>
<li>Providing technical direction and mentoring to engineers and technicians</li>
<li>Managing project deliverables to meet programme, budget, and quality expectations</li>
<li>Promoting the effective use of digital design tools and coordinated workflows (e.g. BIM environments)</li>
<li>Contributing to continuous improvement of processes, standards, and technical excellence across the business</li>
<li>Collaborating across regional teams to support wider business growth and capability</li>
</ul>
Requirements:
You will be a confident leader with strong technical grounding and a collaborative approach.
<ul><li>Degree-qualified in Mechanical Engineering or similar discipline</li>
<li>Chartered Engineer status (or equivalent)</li>
<li>Extensive experience in building services design across multiple sectors</li>
<li>Demonstrated ability to lead multidisciplinary teams and manage client relationships</li>
<li>Strong understanding of UK regulations, industry guidance, and best practice standards</li>
<li>Proven experience delivering sustainable and low-energy design solutions</li>
<li>Excellent communication skills with both technical and non-technical stakeholders</li>
</ul>
Strengths:
<ul><li>Deep knowledge of HVAC and integrated building systems</li>
<li>Strong analytical and problem-solving capability</li>
<li>Commercial awareness and ability to balance innovation with deliverability</li>
<li>Organised and proactive, with the ability to manage competing priorities</li>
<li>Passion for mentoring and developing others</li>
</ul>
Offer:
<ul><li>Flexible and hybrid working arrangements</li>
<li>Competitive pension and life assurance</li>
<li>Private healthcare provision</li>
<li>Car allowance or company vehicle option</li>
<li>Annual bonus scheme</li>
<li>Professional membership support</li>
<li>Generous annual leave with option to purchase additional days</li>
<li>Wellbeing and employee support programmes</li>
<li>Access to retail and lifestyle discounts</li>
<li>Electric vehicle salary sacrifice scheme</li></ul></div>

Principal Mechanical Engineer

Surbana Jurong Private Limited

<div><ul><li>A global multidisciplinary consultancy with 16,500+ professionals across 40+ countries</li><li>
Delivering world-class infrastructure, buildings, and environmental solutions</li><li>
Deliver advanced water infrastructure engineering design and analysis across complex engineering projects</li></ul>
About SJ Group: 
Surbana Jurong Group is a leading global urban, infrastructure, and managed services consulting firm. With a strong presence across Asia, the Middle East, Africa, and beyond, we deliver integrated solutions across the entire project lifecycle, from planning and design to delivery and asset management.
Our Middle East operations continue to expand, supporting major infrastructure, transportation, energy, and development projects aligned with national visions and long-term growth strategies. 
About the Role:
The Principal Water Infrastructure Mechanical Engineer will lead the mechanical design of water infrastructure facilities in Saudi Arabia, contributing to ME's significant water infrastructure programmes aligned with Vision 2030 water security objectives. The role demands strong technical competence across pumping stations, desalination plants, and water and wastewater treatment works (WTW/WWTW), with the ability to independently manage design packages and mentor junior engineers within the KSA team.
Key Responsibilities:<ul><li>
Lead detailed mechanical design of water pumping stations (raw water, potable, booster, sewage), including pump selection, hydraulic performance analysis, surge/transient protection, and ancillary mechanical systems.</li><li>
Develop process and mechanical designs for water treatment works, desalination plants (SWRO, MSF, MED), and wastewater treatment facilities, including process flow diagrams (PFDs), piping and instrumentation diagrams (P&amp;IDs), and equipment datasheets.</li><li>
Prepare and review engineering calculations, design reports, technical specifications, BOQs, and IFC drawings; ensure compliance with Saudi standards (MOWE, NWC, SWCC) and relevant international codes (BS, ISO, ASME, AWWA).</li><li>
Undertake hydraulic transient and surge analysis using specialist software (HAMMER, or equivalent); recommend and specify appropriate surge suppression equipment and protection strategies.</li><li>
Coordinate mechanical design interfaces with civil/structural, electrical, instrumentation, and SCADA disciplines, support authority submissions, and client technical review meetings.</li><li>
Provide construction-stage technical support, including review of contractor submittals, shop drawings, and O&amp;M documentation, and attend site visits for the major mechanical plant.</li></ul>
Qualifications &amp; Requirements:<ul><li>
Degree in Mechanical Engineering.</li><li>
15-20 years in mechanical engineering for water infrastructure</li><li>
Demonstrable design experience on water pumping stations, desalination plants, and WTW/WWTW in the GCC or KSA specifically; familiarity with NWC, SWCC, and MOWE design standards is essential.</li><li>
Proficiency in 3D/2D mechanical design tools and working knowledge of BIM workflows.</li><li>
Strong communication skills in English; Arabic language proficiency is advantageous. Ability to work effectively in a multi-disciplinary, multi-cultural project environment across the KSA region.</li></ul>
Why Join SJ?
Join a global, multidisciplinary consultancy shaping sustainable, people-centric environments across 40+ countries. Work with world-class teams and lead impactful landscape design across the region.
All recruitment activities are handled by our internal Talent Acquisition Team, and this role currently doesn't require agency input.
Please do not forward resumes directly to SJ employees/managers; we do not accept unsolicited resumes and are not responsible for any associated fees.
**Only shortlisted candidates will be notified**
At Surbana Jurong, we put talent, hard work, teamwork and a fun workplace together to approach problems and solve them creatively and collaboratively. Join us in making a positive impact on the world!</div>

Principal Mechanical Engineer - Water

Eaton

<div>Eaton has been a key player in the Middle East for 40 years. In July 2024, we announced the construction of a new sustainable campus in Dubai, which will bring together our commercial, manufacturing, and support functions, providing room for future growth. 
About Eaton
Eaton is a power management company where we provide energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Eaton is dedicated to improving the quality of life and the environment through the use of power management technology and services. Eaton has approximately 96,000 employees and sells products to customers in more than 175 countries. 
Eaton's Global Data Center Segment is focused on helping data centers realize real business benefits today while optimizing their operations for the future. With the rise of big data, edge computing and cloud, data centers are under pressure to be more high-performing, sustainable and cost-effective than ever, without compromising resilience or security. At the same time, new opportunities and revenue streams require faster speed-to-market. With our digital intelligence, world-class cyber-secure products and services, reliable, compatible solutions and engineering expertise, we help data centers realize real business benefits today while optimizing their operations for the future. 
Within this segment, Eaton has an opening for a Global Principal Mechanical Design Engineer &ndash; Data Center Segment. The role serves as the senior technical authority and thought leader for mechanical and thermal infrastructure design across Eaton&rsquo;s global data center portfolio. This role shapes cooling and thermal management strategies for hyperscale and enterprise data centers, ensuring scalable, resilient, and energy‑efficient solutions aligned to Eaton&rsquo;s global technology roadmap. The position provides end‑to‑end technical leadership from early‑stage concept development through detailed design, validation, and commissioning, working closely with global engineering teams, customers, consultants, and strategic partners.
<div><div><div><h2 class="jobSectionHeader">What you&rsquo;ll do:
</h2></div><div>1) Global Technical Leadership &amp; Design Authority
Act as the global technical authority for mechanical and thermal systems within Eaton&rsquo;s Data Center Segment.
 
Lead the design, validation, and review of advanced data center cooling architectures using Eaton and third‑party technologies.
 
Provide expert guidance on whitespace design, central plant systems, AHUs, fan wall systems, and site‑wide water and heat rejection infrastructure.
2) Advanced Cooling Strategies &amp; Innovation
Define and promote global best practices for air‑based, liquid‑based, and hybrid cooling solutions, including hot aisle/cold aisle containment.
 
Research, evaluate, and develop design approaches for emerging technologies such as direct‑to‑chip liquid cooling, immersion cooling interfaces, and CDUs.
 
Support innovation aligned with increasing IT loads, AI/HPC applications, and next‑generation thermal density requirements.
3) Performance Optimization &amp; Engineering Excellence
Lead or support CFD analysis to optimize airflow, temperature distribution, efficiency, and resilience under normal and failure conditions.
 
Ensure designs meet or exceed efficiency, availability, and sustainability targets (e.g., PUE and related performance metrics).
 
Review and challenge global mechanical designs to ensure technical consistency, scalability, and engineering excellence.
4) Cross‑Functional &amp; Customer Engagement
Partner with Systems Engineering, Electrical Design, Controls, Product Management, and Sales to ensure alignment from proposal through execution.
 
Provide senior technical input in customer workshops, design reviews, and technical discussions as a trusted advisor.
 
Support global pursuits by interpreting customer specifications and proactively mitigating technical risk.
5) Standards, Documentation &amp; Knowledge Leadership
Develop and govern global mechanical design standards, reference architectures, and guidelines for data center applications.
 
Produce and review technical specifications, reports, and documentation in alignment with international standards (e.g., ASHRAE, CIBSE, OCP).
 
Mentor mechanical engineers globally and support knowledge transfer to strengthen Eaton&rsquo;s engineering capability.
</div></div><div><div><h2 class="jobSectionHeader">Qualifications:
</h2></div><div><ul><li>Bachelor&rsquo;s degree in in Mechanical Engineering, Building Services Engineering, or a related discipline from an accredited institution.
</li><li>10+ years of mechanical engineering experience with significant exposure to mission‑critical facilities and data center environments.
</li></ul></div></div><div><div><h2 class="jobSectionHeader">Skills:
</h2></div><div><ul><li>Deep technical expertise in data center mechanical systems, including HVAC, chilled water plants, pumps, heat exchangers, motors, and BMS integration.
</li><li>Strong proficiency with engineering and simulation tools such as AutoCAD, Revit, and CFD platforms .
</li><li>Proven capability in program management, change management execution, and governance across global or matrixed organizations.
</li><li>Proven experience operating at a global or enterprise level, supporting multi‑region delivery models.
</li><li>Lead clarification and resolution of complex technical, commercial, and execution issues.
</li><li>Escalate effectively when required, ensuring speed, transparency, and leadership alignment.
</li><li>Chartered Engineer status or active progress toward chartership.
</li><li>Demonstrated experience supporting hyperscale data center customers and global programs.
</li><li>Experience influencing stakeholders without direct authority in matrixed organizations.
</li><li>Ability to travel internationally as required.
</li></ul></div></div><div><div><h2 class="jobSectionHeader">What we offer you:
</h2></div><div><ul><li>Being part of a company that has been in business for more than 100 years, is well known in the industry, and has a major impact on the energy industry
</li><li>Work in a company that is commitment to Inclusion &amp; Diversity and Sustainability
</li><li>Annual mentoring program, Eaton University, a reward, and recognition system
</li><li>Ongoing Learning and Career Development Opportunities in a global company. Build your career and apply internally for our open positions worldwide
</li><li>Strong, agile and diverse team locally and globally
</li><li>Strong processes and state-of-the-art systems and tools
</li><li>Structured employee development processes, open feedback culture with development plans
</li><li>Detailed induction support and well-structured onboarding
</li><li>Balance your work and life with a hybrid worktime model
</li></ul></div></div></div>Living and Working in Dubai
Dubai is a vibrant, cosmopolitan city known for its modern architecture, luxurious lifestyle, and rich cultural heritage. Living and working in Dubai offers an exceptional quality of life with world-class amenities, a safe environment, and a thriving expatriate community. Experience a dynamic blend of work and leisure in one of the world&rsquo;s most exciting cities. 
Ready to make a difference? Join Eaton&rsquo;s Dubai Team and be part of a company shaping the future of sustainable manufacturing and power management! 
We are committed to ensuring equal employment opportunities for job applicants and employees. Our recruitment processes use balanced selection criteria and avoid unlawful discrimination against applicants on the basis of their age, colour, disability, marital status, national origin, gender, gender identity, genetic information, race or racial origin, religion, sexual orientation or any other status protected or required by law.
#LI-NY1</div>

Global Principal Mechanical Design Engineer - Data Center Segment

<div>Title:
Principal Rotating Equipment Design Engineer
Overall Summary
A Principal Mechanical Engineer with proven experience in design and specification of Rotating Equipment such as Pumps, Compressors, Seals, Specialty and Utility Equipment in the Oil &amp; Gas, hydrocarbon, petroleum refinery, offshore, and/or infrastructure industries. Experience in FEED and detailed engineering of medium to large scale projects required. A minimum of 15 years&rsquo; experience is required.
Duties and Responsibilities:<ul><li>
Lead a team of up to 10 mechanical engineers and designers</li><li>
Develop discipline work plan</li><li>
Review/check equipment data sheets and specifications</li><li>
Perform technical studies such as compressor configuration studies, driver selection and life cycle cost studies, specialty equipment configuration studies, material handling studies, RAM studies, etc.</li><li>
Evaluate technical bids</li><li>
Perform packaged equipment reviews</li><li>
Provide technical leadership and guidance to the project team, including the Clients, in rotating equipment.</li><li>
Responsible for design integrity of mechanical scope, performance of assigned staff, on-schedule delivery of the work within budget.</li></ul>
Key Interactions:<ul><li>
Broad understanding of other disciplines activities.</li><li>
Project Management</li><li>
Clients representatives</li></ul>
Qualifications &amp; Years of Experience:
Bachelor of Science in Mechanical Engineering, or related field, and a minimum of 15 years&rsquo; experience in the Oil &amp; Gas, hydrocarbon, petroleum refinery, offshore, and/or infrastructure industries.
Key Skills &amp; Technical Competencies:<ul><li>
Knowledge &amp; understanding of Design practices, Construction Practices and Procedures.</li><li>
Wide knowledge of codes and industry standards ASME, ANSI, NFPA, API, OSAH, ISA and NEC etc.</li><li>
Wide knowledge in Rotating Equipment and Turbo Machinery System, installation, Pre-commissioning and Mechanical Completion.</li><li>
Knowledge of Saudi Aramco Standards and procedures will be an added advantage.</li></ul></div>

Principal Rotating Equipment Design Engineer

<div>Title:
Principal Static Equipment Design Engineer
Overall Summary
A Principal Mechanical Engineer with proven experience in design and specification of Experience in the designing of other static equipment such as Vessels, Heat exchangers, Tanks and Columns and Reactors in the Oil &amp; Gas, hydrocarbon, petroleum refinery, offshore, and/or infrastructure industries. Experience in FEED and detailed engineering of medium to large scale projects required. A minimum of 15 years&rsquo; experience is required.
Duties and Responsibilities:<ul><li>
Lead a team of up to 10 mechanical engineers and designers</li><li>
Develop discipline work plan</li><li>
Review/check equipment data sheets and specifications</li><li>
Perform technical studies such as compressor configuration studies, driver selection and life cycle cost studies, specialty equipment configuration studies, material handling studies, RAM studies, etc.</li><li>
Evaluate technical bids</li><li>
Perform packaged equipment reviews</li><li>
Provide technical leadership and guidance to the project team, including the Clients, in rotating equipment.</li><li>
Responsible for design integrity of mechanical scope, performance of assigned staff, on-schedule delivery of the work within budget.</li></ul>
Key Interactions:<ul><li>
Broad understanding of other disciplines activities.</li><li>
Project Management</li><li>
Clients representatives</li></ul>
Qualifications &amp; Years of Experience:
Bachelor of Science in Mechanical Engineering, or related field, and a minimum of 15 years&rsquo; experience in the Oil &amp; Gas, hydrocarbon, petroleum refinery, offshore, and/or infrastructure industries.
Key Skills &amp; Technical Competencies:<ul><li>
Have 15+ years of extensive experience in designing other static equipment such as Vessels, Heat exchangers, Tanks and Columns and Reactors</li><li>
Knowledge of applying value engineering concepts in the design of Columns and Reactors</li><li>
in the fields of Oil &amp; Gas Production/Refinery/ Petrochemical industries.</li><li>
Experience in the designing of other static equipment such as Vessels, Heat exchangers, Tanks and Columns and Reactors</li><li>
Knowledge of applying value engineering concepts in the design of Columns and Reactors</li><li>
Sound knowledge in the design of internals of the above equipment</li><li>
Have experience in FEED &amp; Detailed Design types of projects; Experience in revamping and upgrade of columns and reactors will be an added advantage.</li><li>
Have deep knowledge of ASME SEC VIII Div 1 &amp; Div 2</li><li>
Have sound knowledge in the selection of materials and Corrosion Control Measures for Columns and Reactors</li><li>
be capable of leading a team of engineers in the design of Columns &amp; Reactors</li></ul></div>

Principal Static Equipment Design Engineer

XEJTV LLC

Job Opportunity: Principal Structural EngineerLocation: Doha, Qatar Company: XEJTV LLCAbout UsXEJTV LLC is a leading engineering and construction solutions provider, delivering innovative and sustainable projects across the Middle East. With a strong commitment to excellence, safety, and cutting-edge design, we specialize in structural engineering services that shape skylines and infrastructure. To support our expanding portfolio in Doha, we are seeking an accomplished Principal Structural Engineer to lead our technical teams and drive project success.Role OverviewThe Principal Structural Engineer will be responsible for overseeing structural design, ensuring compliance with international standards, and providing technical leadership across major projects. This senior role requires deep expertise in structural engineering, strong leadership skills, and the ability to deliver complex projects with precision and innovation.Key Responsibilities<ul><li>Lead structural engineering design and analysis for large-scale projects.</li><li>Ensure compliance with international codes, standards, and safety regulations.</li><li>Provide technical guidance and mentorship to engineering teams.</li><li>Collaborate with architects, contractors, and project managers to align design objectives.</li><li>Review and approve structural drawings, calculations, and specifications.</li><li>Conduct risk assessments and propose innovative solutions to engineering challenges.</li><li>Manage project budgets, schedules, and resources effectively.</li><li>Represent XEJTV LLC in client meetings, technical reviews, and industry forums.</li></ul>Qualifications<ul><li>Bachelor&rsquo;s or Master&rsquo;s degree in Civil or Structural Engineering.</li><li>12&ndash;15 years of experience in structural engineering, with at least 5 years in a senior leadership role.</li><li>Proven track record of delivering complex infrastructure or high-rise building projects.</li><li>Strong knowledge of structural analysis software (ETABS, SAP2000, STAAD.Pro, etc.).</li><li>Excellent leadership, communication, and problem-solving skills.</li><li>Chartered Engineer status or equivalent professional accreditation preferred.</li><li>Fluency in English; Arabic is a strong advantage.</li></ul>Why Join Us?<ul><li>Be part of a respected engineering firm shaping Doha&rsquo;s future.</li><li>Lead high-profile projects with international exposure.</li><li>Competitive executive compensation and benefits package.</li><li>Opportunities for professional growth and career advancement.</li><li>Collaborative, innovative, and excellence-driven work culture.</li></ul>Pay: Up to QAR90,000.00 per monthWork Location: In person

Principal Structural Engineer

ABIS

<div>We are looking for a Planning Engineer specialized in Mechanical disciplines to support our projects in the Oil &amp; Gas industry. The candidate will be responsible for preparing, monitoring, and updating project schedules using PRIMAVERA software, ensuring timely execution and coordination among various departments.
The role includes interfacing with engineering, procurement, and construction teams to develop detailed work plans and identify potential schedule risks or delays. The Planning Engineer will also assist in progress reporting and schedule analysis to support effective decision-making. 
Requirements 
<ul><li>
Bachelor's degree in Mechanical Engineering or related field for Shutdown / Turnaround.</li><li>
Minimum 5 years of experience in project planning within the Oil &amp; Gas industry</li><li>
Proficient in PRIMAVERA P6 software</li><li>
Strong knowledge of mechanical engineering design and construction processes</li><li>
Ability to analyze complex schedules and recommend mitigation actions</li><li>
Excellent communication and teamwork skills</li><li>
Familiarity with Saudi Aramco or similar oil &amp; gas clients is a plus</li></ul></div>

Planning Engineer - Mechanical - PRIMAVERA - Oil & Gas Industry

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