principal engineer

Worley

About us
 
Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.
 
Key Responsibilities: 
a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; } The Principal Safety Engineer provides leadership and assurance across all phases of engineering projects (concept, FEED, detailed design, and execution).
 
The role is responsible for driving the implementation of Company's and International HSE standards and best practices, ensuring that safety is fully integrated into engineering design and operational philosophy.
 
The position leads hazard identification and risk assessment studies (HAZID, HAZOP, LOPA, SIL), develops safety philosophies and engineering solutions, and supports quantitative risk assessments, fire and explosion analysis, and functional safety lifecycle activities.
 
The Principal Engineer works closely with multidisciplinary teams and clients to ensure regulatory compliance, risk reduction (ALARP), and required safety performance.
 
Additionally, the role acts as a technical authority, guiding junior engineers, reviewing deliverables, supporting audits and safety cases, and contributing to continuous improvement of HSE practices within the organization.
 
Quality Assurance
 
Responsible for working within the provisions and guidelines of the Quality Assurance systems.
 
Safety: 
Responsible for personal safety safe working practices. Understand and follow OH&S procedures
 
Promoting health, safety and environmental awareness.
 
Education – Qualifications, Accreditation, Training : 
Bachelor’s degree in Chemical, Process, or Safety Engineering from an accredited University
 Master’s degree in Safety Engineering, Process Safety, Risk Engineering, or equivalent (highly desirable)
 Chartered Engineer status (e.g., CEng, PE) or equivalent professional registration (highly desirable)
 
Recognized certifications (preferred): 
NEBOSH Diploma (International)
 TÜV Functional Safety Engineer (IEC 61508 / 61511)
 IChemE / IMechE / IOSH Membership (MIOSH/CMIOSH)
 Certified Safety Professional (CSP) or equivalent
 
Industry Specific Experience: 
Vast experience in HSE / Process Safety within the Oil & Gas (upstream, midstream, downstream), petrochemicals, LNG
 Proven experience in engineering design or EPC environment
 Demonstrated leadership in major capital projects (FEED, EPC, brownfield modifications)
 Experience working with international clients, regulators, and multi-disciplinary teams
 
Prior role as
 
Lead / Principal HSE Engineer on Projects
 
a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; }
 
Industry Technical Competencies required:Extensive expertise in: 
Process Safety Management (PSM) frameworks (OSHA 29 CFR 1910.119, CCPS RBPS)
 
Hazard Identification & Risk Assessment methodologies: 
HAZID, HAZOP, LOPA, SIL, Bowtie, QRA
 
Consequence analysis and risk modeling: 
Vapor cloud explosion, dispersion, fire radiation (e.g., PHAST/Safeti knowledge)
 
Functional Safety & Instrumented Protection Systems: 
IEC 61508 / IEC 61511 lifecycle
 
Fire & Explosion Engineering: 
Passive/Active Fire Protection (PFP/AFP), FERA, EERA
 Loss Prevention philosophy and design safety principles
 
Moving forward together
 
We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.
 
And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.
 
And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.

Principal Safety Engineer

<div>
 
 About Us
 
 
 
 Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.
 
 
 
 Key Responsibilities
 
 
 
 <ul>
 <li>
 The Principal Safety Engineer provides leadership and assurance across all phases of engineering projects (concept, FEED, detailed design, and execution).
 </li>
 <li>
 The role is responsible for driving the implementation of Company's and International HSE standards and best practices, ensuring that safety is fully integrated into engineering design and operational philosophy.
 </li>
 <li>
 The position leads hazard identification and risk assessment studies (HAZID, HAZOP, LOPA, SIL), develops safety philosophies and engineering solutions, and supports quantitative risk assessments, fire and explosion analysis, and functional safety lifecycle activities.
 </li>
 <li>
 The Principal Engineer works closely with multidisciplinary teams and clients to ensure regulatory compliance, risk reduction (ALARP), and required safety performance.
 </li>
 <li>
 Additionally, the role acts as a technical authority, guiding junior engineers, reviewing deliverables, supporting audits and safety cases, and contributing to continuous improvement of HSE practices within the organization.
 
 
 </li>
 </ul>
 
 Quality Assurance
 
 
 
 Responsible for working within the provisions and guidelines of the Quality Assurance systems.
 
 
 
 Safety
 
 
 
 Responsible for personal safety safe working practices. Understand and follow OH&amp;S procedures
 
 
 Promoting health, safety and environmental awareness.
 
 
 
 Education &ndash; Qualifications, Accreditation, Training
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Chemical, Process, or Safety Engineering from an accredited University
 </li>
 <li>
 Master&rsquo;s degree in Safety Engineering, Process Safety, Risk Engineering, or equivalent (highly desirable)
 </li>
 <li>
 Chartered Engineer status (e.g., CEng, PE) or equivalent professional registration (highly desirable)
 </li>
 <li>
 Recognized certifications (preferred):
 </li>
 <ul>
 <li>
 NEBOSH Diploma (International)
 </li>
 <li>
 T&Uuml;V Functional Safety Engineer (IEC 61508 / 61511)
 </li>
 <li>
 IChemE / IMechE / IOSH Membership (MIOSH/CMIOSH)
 </li>
 <li>
 Certified Safety Professional (CSP) or equivalent
 
 </li>
 </ul>
 </ul>
 
 Industry Specific Experience
 
 
 
 <ul>
 <li>
 Vast experience in HSE / Process Safety within the Oil &amp; Gas (upstream, midstream, downstream), petrochemicals, LNG
 </li>
 <li>
 Proven experience in engineering design or EPC environment
 </li>
 <li>
 Demonstrated leadership in major capital projects (FEED, EPC, brownfield modifications)
 </li>
 <li>
 Experience working with international clients, regulators, and multi-disciplinary teams
 </li>
 <li>
 Prior role as
 
 
 </li>
 </ul>
 Lead / Principal HSE Engineer on Projects
 
 
 
 Industry Technical Competencies Required
 
 
 
 <ul>
 <li>
 Extensive expertise in:
 </li>
 <ul>
 <li>
 Process Safety Management (PSM) frameworks (OSHA 29 CFR 1910.119, CCPS RBPS)
 </li>
 <li>
 Hazard Identification &amp; Risk Assessment methodologies:
 </li>
 <ul>
 <li>
 HAZID, HAZOP, LOPA, SIL, Bowtie, QRA
 </li>
 </ul>
 <li>
 Consequence analysis and risk modeling:
 </li>
 <ul>
 <li>
 Vapor cloud explosion, dispersion, fire radiation (e.g., PHAST/Safeti knowledge)
 </li>
 </ul>
 <li>
 Functional Safety &amp; Instrumented Protection Systems:
 </li>
 <ul>
 <li>
 IEC 61508 / IEC 61511 lifecycle
 </li>
 </ul>
 <li>
 Fire &amp; Explosion Engineering:
 </li>
 <ul>
 <li>
 Passive/Active Fire Protection (PFP/AFP), FERA, EERA
 </li>
 </ul>
 <li>
 Loss Prevention philosophy and design safety principles
 
 </li>
 </ul>
 </ul>
 
 Moving forward together
 
 
 
 We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.
 
 
 And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.
 
 
 And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.
</div>

<div>
 Lead a diversified family office investment portfolio across real estate, private equity, venture capital, listed and private investments. Drive investment strategy, portfolio management, financial reporting, stakeholder management, team leadership, investment analysis, commercial decision-making, business planning, due diligence, investment evaluation and partnership development across multiple sectors.
 
 
 <ul>
 <li>
 Lead investment strategy and portfolio management across multiple asset classes.
 </li>
 <li>
 Identify, evaluate and execute investment opportunities.
 </li>
 <li>
 Prepare and review investment analysis, financial models and portfolio reporting.
 </li>
 <li>
 Lead internal teams and collaborate with external partners and advisers.
 </li>
 <li>
 Develop commercial strategies and investment business cases.
 </li>
 <li>
 Manage stakeholder relationships with founders, investors and partners.
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 10+ years in investment management, private equity, venture capital, family office, corporate development or principal investments.
 </li>
 <li>
 Multi-sector investment experience (real estate, VC, PE, equities or operating businesses).
 </li>
 <li>
 Portfolio management, investment analysis, financial reporting and stakeholder management.
 </li>
 <li>
 Leadership experience and excellent commercial judgement.
 </li>
 <li>
 Qatar ecosystem knowledge desirable with strong international network.
 </li>
 </ul>
</div>

Chief Investment & Operating Officer

QatarEnergy

<div>
 
 Primary Purpose Of The Job
 
 
 
 Function as a Senior Civil/Structural Engineer for a Power and Desalination Plant project, providing technical assurance over the Contractor&rsquo;s civil and structural design from commencement through completion. The role requires independent technical capability to manage, review, verify and approve all civil and structural engineering deliverables associated with a power generation and desalination facility, including complex onshore and marine infrastructure.
 
 
 The Senior Civil/Structural Engineer shall ensure suitability of civil and structural designs for site development, dynamic equipment foundations, very large prestressed potable water retaining structures, large‑scale drainage and earthworks, switching stations and electrical yards. Detailed design knowledge of the abovementioned facilities is required, including the ability to develop scopes of work and provide technical assurance for engineered elements.
 
 
 
 Required Experience And Skills
 
 
 
 <ul>
 <li>
 Minimum 15 years of relevant post‑graduate experience, of which at least 10 years shall be related to power plant, oil &amp; gas, or other heavy industrial projects.
 </li>
 <li>
 Experience in plant site development, including roads, earthworks, complex drainage systems, utility‑scale power plants, including heavy turbines and generator foundations associated with major industrial facilities.
 </li>
 <li>
 Design experience in large prestressed potable water retaining structures, and large seawater tanks and settlement basins.
 </li>
 <li>
 Design experience in nearshore and marine civil infrastructure, including seawater intake and brine discharge systems, nearshore civil works, and coastal protection infrastructure.
 </li>
 <li>
 Experience developing scope of work for geotechnical and Topographical investigation and interpreting outcome reports.
 </li>
 <li>
 Experience providing technical support during construction phase of mega‑projects, including resolution of complex civil and structural engineering issues during execution.
 </li>
 <li>
 Experience across Concept / Feasibility, FEED, and EPIC phases.
 </li>
 <li>
 Familiarity with US and European civil/structural codes and standards.
 </li>
 <li>
 Strong technical capability, with the ability to resolve complex engineering issues independently and without reliance on third‑party intervention.
 </li>
 <li>
 Proven ability to manage time, cost and quality in engineering projects within a multiple project environment.
 </li>
 <li>
 Excellent communications and presentation skills with fluency in English.
 </li>
 <li>
 Proven experience working in multicultural teams.
 
 
 </li>
 </ul>
 
 Educational Qualifications
 
 
 
 <ul>
 <li>
 Bachelor's degree in Civil or Structural Engineering
 </li>
 <li>
 Chartered Engineer / Professional Engineer status or equivalent is preferable.
 </li>
 </ul>
</div>

SR. CIVIL/STRUCTURAL ENGINEER (ONSHORE)

MBK GROUP

Responsibilities<ul><li>Develop and review architectural and engineering designs</li><li>Ensure designs comply with building codes and safety standards</li><li>Prepare technical drawings, specifications, and reports</li><li>Assist during construction to resolve technical issues</li><li>Support sustainable and energy-efficient building solutions</li><li>Architectural Engineer proficient in Qatar's Building Permit System, with experience in building permit applications, design approvals, regulatory compliance, and coordination with government authorities.&quot;</li><li>Architectural Engineer with 5 years of experience</li></ul>Requirements<ul><li>Bachelor&rsquo;s degree in architectural engineering.</li><li>Knowledge of building materials, construction methods, and codes</li><li>Proficiency in CAD/BIM software (AutoCAD, Revit, etc.)</li><li>Strong problem-solving and communication skills</li><li>Ability to work in a team and meet project deadlines</li></ul>Job Type: Full-timeWork Location: In person

Architectural Designer

aaes

Project Engineer &ndash; Gulf CranesLocation: Doha, QatarJob SummaryAbu Adel Engineering &amp; Mechanical Services (AAES) is seeking a Project Engineer to manage crane projects from order receipt through final handover. The successful candidate will coordinate engineering, manufacturing, procurement, installation, and commissioning activities while ensuring projects are completed safely, on time, within budget, and to the required quality standards.Key Responsibilities<ul><li>Manage projects from order receipt to final handover.</li><li>Coordinate design, manufacturing, installation, and commissioning activities.</li><li>Prepare and monitor project schedules and progress reports.</li><li>Manage technical submittals and customer approvals.</li><li>Coordinate with procurement, production, and site teams.</li><li>Follow up on FAT (Factory Acceptance Test) and SAT (Site Acceptance Test).</li><li>Ensure timely project delivery while meeting cost and quality objectives.</li></ul>Qualifications<ul><li>Bachelor's Degree in Mechanical Engineering or a related field.</li><li>Minimum 5 years of experience in crane projects, heavy equipment, or industrial projects.</li><li>Strong knowledge of project coordination and execution.</li><li>Excellent communication and organizational skills.</li><li>Experience in technical documentation and customer coordination.</li><li>Proficiency in Microsoft Office; MS Project/Primavera is an advantage.</li><li>Candidates currently available in Qatar with a transferable QID will be given preference.</li></ul>Job Type: Full-time Location: Doha, Qatar Industry: Engineering / Heavy Equipment / CranesPay: QAR4,000.00 - QAR6,500.00 per monthWork Location: In person

Project Engineer

Weill Cornell Medicine - Qatar

<div>
 
 
 Job: Postdoctoral Associate in Population Health Sciences
 
 
 
 Work Location: WCM-Q Qatar
 
 
 Division: Research - Abu-Raddad Lab
 
 
 Work Days: Sunday-Thursday
 
 
 Sponsorship Eligibility: Yes
 
 
 Classification: Full Time
 
 
 
 Posting End Date: 07/31/2026
 
 
 
 
 
 
 
 Position Summary
 
 
 
 The position is responsible for analyzing and interpreting data using advanced mathematical and computational models to support project-related research on the biomedical and behavioral dimensions of population dynamics for both communicable and non-communicable diseases.
 
 
 
 
 
 
 Job Responsibilities
 
 
 <ul>
 <li>
 Develops mathematical models describing disease dynamics and the impact of interventions.
 </li>
 <li>
 Formulates hypothesis independently and performs comprehensive data analysis using mathematical modeling across multiple research projects.
 </li>
 <li>
 Develops, validates, and maintains deterministic, stochastic compartmental, and individual-based models to support disease-related investigations.
 </li>
 <li>
 Partners with principal investigators and multidisciplinary research teams to co-develop study designs, and define robust computational plans aligned with research aims.
 </li>
 <li>
 Interprets modeling outcomes and prepares reports, visualizations, and scientific manuscripts summarizing findings and contributes to manuscripts and grant submissions.
 </li>
 <li>
 Writes and publishes articles in peer-reviewed journals that highlights research findings.
 </li>
 <li>
 Presents research results in internal meetings and external scientific conferences.
 </li>
 <li>
 Maintains accurate documentation of analytical methods, results, and project progress.
 </li>
 <li>
 Researches articles with respect to the assigned study, keeps up to date with the latest developments and identifies areas of improvement.
 </li>
 <li>
 Guides team members on the effective use of tools, methods and workflows as required.
 </li>
 <li>
 Performs other duties as assigned.
 </li>
 </ul>
 
 
 
 
 
 Education and Experience
 
 
 <ul>
 <li>
 Ph.D. in Mathematical Epidemiology, Applied Mathematics, Theoretical Physics, or a related quantitative discipline.
 </li>
 <li>
 Relevant post-qualification experience.
 </li>
 </ul>
 
 
 
 
 
 Knowledge, Skills and Abilities
 
 
 <ul>
 <li>
 Extensive knowledge of mathematical modeling frameworks, including deterministic and stochastic approaches.
 </li>
 <li>
 Extensive knowledge of quantitative methods including differential and integral equations, nonlinear dynamics, probability theory, and stochastic processes.
 </li>
 <li>
 Expert at scientific computing, including programming, numerical analysis, symbolic and logical analysis, Monte Carlo simulations, and computer graphics.
 </li>
 <li>
 Extensive knowledge in use of scientific computing tools such as MATLAB, Mathematica, and Berkeley Madonna, and statistical software including SPSS and R.
 </li>
 <li>
 Advanced problem-solving and analytical skills with an eye for detail.
 </li>
 <li>
 Excellent organizational skills with the ability to manage multiple priorities in demanding timeframes.
 </li>
 <li>
 Proficient in MS Office Suite (Word, Excel, PowerPoint, Outlook).
 </li>
 </ul>
 
 
 
 
 
 
 
 Weill Cornell Medicine-Qatar was established in 2001 as a partnership between Cornell University and Qatar Foundation (QF). The first medical school in Qatar and a pioneer of coeducation at the university level, WCM-Q offers an integrated Six-Year Medical Program that incorporates pre-medical and medical studies and leads to the Cornell University M.D. degree.
 
 
 Teaching is by Cornell and Weill Cornell faculty, including physicians at Hamad Medical Corporation (HMC) who hold Weill Cornell appointments. Enrollment has grown rapidly from 25 first-year pre-medical students in the fall of 2002 to over 300 students from more than 30 countries today.
 
 
 WCM-Q is part of Weill Cornell Medicine in New York City, which was founded over 100 years ago, and shares the same mission:
 
 
 
 
 <ul>
 <li>
 to provide the finest education possible for medical students
 </li>
 <li>
 to conduct research at the cutting edge of knowledge
 </li>
 <li>
 to improve healthcare both now and for future generations
 </li>
 <li>
 to provide the highest quality of care to the community
 </li>
 </ul>
 
 
 
 
 WCM-Q&rsquo;s home city is Doha, a thriving cosmopolitan metropolis with a culturally diverse population, a rapidly growing economy, and modern infrastructure. WCM-Q is a member of Qatar Foundation, a not-for-profit organization with multiple centers focused on education, research and innovation, and community development. WCM-Q is located within Education City, the flagship development of QF, which occupies more than 12 square kilometers and is home to some of the world&rsquo;s leading educational institutions, including Hamad Bin Khalifa University, and overseas campuses of elite universities, such as VCUarts Qatar, Texas A&amp;M University at Qatar, Northwestern Qatar, Georgetown University in Qatar, Carnegie Mellon University in Qatar, and HEC Paris in Qatar.
 
 
 
 
 
 
 Weill Cornell Medicine-Qatar is an Equal Employment Opportunity/Minorities/Females/Disabled employer.
 
 
</div>

Postdoctoral Associate in Population Health Sciences

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30 principal engineer jobs In Doha

Principal Safety Engineer

Principal Safety Engineer

Chief Investment & Operating Officer

SR. CIVIL/STRUCTURAL ENGINEER (ONSHORE)

Architectural Designer

Project Engineer

Postdoctoral Associate in Population Health Sciences