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<div>
 
 Principal Process Engineer &ndash; PDH
 
 
 
 
 Location:
 
 Qatar
 
 
 
 Contract:
 
 6 months (potential extension upon FEED award)
 
 
 
 Work Pattern:
 
 Office-based, 5 days per week, 9 hours per day
 
 
 We are seeking an accomplished
 
 Principal Process Engineer
 
 to join a major energy project, focusing on the early-stage development of downstream processing facilities. This role offers the opportunity to apply advanced process engineering expertise to high-value projects in the Middle East.
 
 
 
 Key Responsibilities
 
 
 
 <ul>
 <li>
 Lead process engineering activities across Pre-FEED, FEED, and detailed design phases.
 </li>
 <li>
 Apply in-depth technical knowledge to process units, ensuring optimal design and performance.
 </li>
 <li>
 Collaborate closely with multidisciplinary teams to ensure quality and timely delivery of process deliverables.
 </li>
 <li>
 Provide technical assurance, guidance, and mentorship to junior engineers.
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Chemical Engineering from a recognised university.
 </li>
 <li>
 Minimum 17 years of relevant experience in process engineering.
 </li>
 <li>
 Proven expertise in PDH (Propane Dehydrogenation), with strong knowledge of Selective Hydrogenation Process (SHP) and Olefins Cracking Process (OCP).
 </li>
 <li>
 Significant PMC and Pre-FEED project experience.
 </li>
 <li>
 Strong background in detailed design, Pre-FEED, and FEED phases for major projects.
 </li>
 </ul>
</div>

Principal Process Engineer

QatarEnergy

<div>Primary Purpose of the Job:

QatarEnergy is seeking a highly experienced Senior Process Engineer to lead technical input and design optimization for major greenfield and brownfield gas development projects. This role is pivotal in shaping the future of domestic and international gas facilities, ensuring robust, cost-effective, and sustainable solutions. 
Key Responsibilities:<ul><li>
Lead feasibility and conceptual studies for surface facilities.</li><li>
Review and validate engineering deliverables across project phases.</li><li>
Conduct lifecycle techno-economic evaluations.</li><li>
Interface with internal and external stakeholders to ensure project alignment</li></ul>
Required Experience and Skills:
<ul><li>Minimum 10 years in Oil &amp; Gas, with 5+ years in project development.</li><li>
Strong knowledge of process simulation tools (e.g., HYSYS, Pipesim).</li><li>
Proven experience in large-scale upstream developments.</li><li>
Familiarity with international standards and dynamic flow assurance.</li><li>
Experience with offshore gas compression or onshore LNG/NGL/Gas treatment projects</li></ul>
Educational Qualifications:

Bachelor of Science degree in Chemical Engineering.</div>

SR. PROCESS ENGINEER

Worley

<div>
 
 Building on our past. Ready for the future
 
 
 
 Worley is a global professional services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value over the life of their assets. We&rsquo;re bridging two worlds, moving towards more sustainable energy sources, while helping to provide the energy, chemicals and resources needed now.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Manage process engineering services that meet Worley', its customers' and applicable statutory and regulatory specifications, on time and within budget.
 </li>
 <li>
 Manage process engineering project requirements.
 </li>
 <li>
 Manage process engineering services such as:
 </li>
 <ul>
 <li>
 participate in relevant meetings, prepare progress reports and comply with required checking procedures;
 </li>
 <li>
 ensure the project scope is clear and that changes comply with project change management processes;
 </li>
 <li>
 provide advice during procurement, construction and commissioning activities. For example, oversee requisitions, technical bid evaluations and purchase order preparation.
 </li>
 </ul>
 <li>
 Act as the process engineering Lead on specific projects.
 </li>
 <li>
 If responsible for a team:
 </li>
 <ul>
 <li>
 outline project requirements including actively promoting workshare, where appropriate, assign tasks and supervise progress; and
 </li>
 <li>
 ensure the required services meet Worley, its customers and applicable statutory and regulatory requirements, on time and within budget.
 </li>
 </ul>
 <li>
 Proactively resolve any discrepancies between Worley and its Customer's requirements.
 </li>
 <li>
 Keep up-to-date with the latest developments and technical innovations in process engineering.
 </li>
 <li>
 If required, assist and support junior personnel within the process engineering team.
 </li>
 <li>
 Communicate effectively with the process engineering team and project stakeholders, including the Customer.
 </li>
 <li>
 Identify issues and problems, develop appropriate solutions, and ask for assistance when required.
 
 </li>
 </ul>
 
 Quality Assurance
 
 
 
 <ul>
 <li>
 Work within the provisions and guidelines of the Quality Assurance systems.
 
 
 </li>
 </ul>
 
 Safety
 
 
 
 <ul>
 <li>
 Responsible for personal safety and working within the Occupational Health &amp; Safety procedures. Competent in implementing HSE in the design process, focuses on process safety and strives to use best practice
 
 
 </li>
 </ul>
 
 Technical And Industry Experience
 
 
 
 <ul>
 <li>
 Excellent technical and practical engineering skills and ability to consistently deliver quality, accurate and timely work to Worley and its clients.
 </li>
 <li>
 Excellent knowledge of the fundamental requirements of the process engineering, and the basic requirements of other engineering fields.
 </li>
 <li>
 Excellent knowledge of applicable local and international standards and statutory and regulatory specifications.
 </li>
 <li>
 Competent use of relevant software such as MS Office Suite and process engineering specific software.
 </li>
 <li>
 Extensive technical and practical experience in process engineering in the same or similar industry including experience in working in multi-disciplinary projects and teams.
 </li>
 <li>
 PDH (Propane Dehydrogenation) / Licensor unit experience &amp; Process knowledge of SHP (Selective Hydrogenation Process) and OCP (Olefins Cracking Process Unit).
 
 
 </li>
 </ul>
 
 Education &ndash; Qualifications, Accreditation, Training
 
 
 
 <ul>
 <li>
 A recognized and relevant engineering degree.
 </li>
 <li>
 Chartered Professional Engineer (CPEng) status.
 </li>
 <li>
 Relevant postgraduate qualifications in engineering; management, project management or supervisory qualifications or equivalent.
 
 
 </li>
 </ul>
 
 Moving forward together
 
 
 
 We&rsquo;re committed to building a diverse, inclusive and respectful workplace where everyone feels they belong, can bring themselves, and are heard. We provide equal employment opportunities to all qualified applicants and employees without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by law.
 
 
 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.
 
 
 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&rsquo;s a path for you here. And there&rsquo;s no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.
 
 
 
 Company
 
 
 
 Worley
 
 
 
 Primary Location
 
 
 
 QAT-DW-Doha
 
 
 
 Job
 
 
 
 Process
 
 
 
 Schedule
 
 
 
 Full-time
 
 
 
 Employment Type
 
 
 
 Employee
 
 
 
 Management Level
 
 
 
 Individual Contributor
 
 
 
 Job Posting
 
 
 
 Jul 21, 2025
 
 
 
 Unposting Date
 
 
 
 Ongoing
 
 
 
 Reporting Manager Title
 
 
 
 Department Manager Process Engineer
</div>

Principal Process Engineer - PDH

UCC Holding

<div>
 
 
 Job Title:
 
 Lead Mechanical Engineer &ndash; Rotating Equipment
 
 
 
 
 
 
 Job Description:
 
 
 
 We are seeking an experienced Lead Mechanical Engineer specializing in rotating equipment to oversee the design, specification, selection, and maintenance of critical machinery such as pumps, compressors, turbines, and fans. The ideal candidate will provide technical leadership, support project execution, and ensure compliance with industry standards and requirements.
 
 
 
 
 
 
 Key Responsibilities:
 
 
 <ul>
 <li>
 Lead the engineering design and selection of rotating equipment for major projects.
 </li>
 <li>
 Review vendor documentation and ensure equipment meets technical specifications.
 </li>
 <li>
 Coordinate with cross-functional teams including process, piping, and instrumentation.
 </li>
 <li>
 Support procurement, installation, commissioning, and troubleshooting activities.
 </li>
 <li>
 Ensure compliance with relevant codes (API, ASME, ISO) and project requirements.
 </li>
 </ul>
 
 
 
 
 
 Qualifications:
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Mechanical Engineering (Master&rsquo;s preferred).
 </li>
 <li>
 8+ years of relevant experience with rotating equipment in oil &amp; gas, power, or industrial sectors.
 </li>
 <li>
 Strong knowledge of API standards and mechanical design practices.
 </li>
 <li>
 Proven leadership and project coordination skills.
 </li>
 </ul>
 
 
</div>

Lead Mechanical Engineer - (Rotating Equipment)

<div>
 
 Primary Purpose Of The Job
 
 
 
 QatarEnergy is seeking a highly experienced
 
 Senior Process Engineer
 
 to lead technical input and design optimization for major greenfield and brownfield gas development projects. This role is pivotal in shaping the future of domestic and international gas facilities, ensuring robust, cost-effective, and sustainable solutions.
 
 
 
 Key Responsibilities
 
 
 
 <ul>
 <li>
 Lead feasibility and conceptual studies for surface facilities.
 </li>
 <li>
 Review and validate engineering deliverables across project phases.
 </li>
 <li>
 Conduct lifecycle techno-economic evaluations.
 </li>
 <li>
 Interface with internal and external stakeholders to ensure project alignment
 
 
 </li>
 </ul>
 
 Required Experience And Skills
 
 
 
 <ul>
 <li>
 Minimum 10 years in Oil &amp; Gas, with 5+ years in project development.
 </li>
 <li>
 Strong knowledge of process simulation tools (e.g., HYSYS, Pipesim).
 </li>
 <li>
 Proven experience in large-scale upstream developments.
 </li>
 <li>
 Familiarity with international standards and dynamic flow assurance.
 </li>
 <li>
 Experience with offshore gas compression or onshore LNG/NGL/Gas treatment projects
 
 
 </li>
 </ul>
 
 Educational Qualifications
 
 
 
 Bachelor of Science degree in Chemical Engineering.
</div>

Technip Energies

<div>
 
 Company Summary
 
 
 
 
 JOB DESCRIPTION
 
 
 
 At Technip Energies, we believe in a better tomorrow, and we believe we can make tomorrow better. With approximately 17,000 talented women and men, we are a global and leading engineering and technology company, with a clear vision to accelerate the energy transition. Designing and delivering added value energy solutions is what we do. If you share our determination to drive the transition to a low-carbon future, then this could be the job for you.
 
 
 
 Job purpose :
 
 
 
 <ul>
 <li>
 Ensures continuity of engineering to site.
 </li>
 <li>
 Is in charge of technical interfaces with the sub-contractors.
 </li>
 <li>
 Is In charge of resolving first level problems at site.
 </li>
 <li>
 Performs simple calculations and draws sketches for any modification work at site.
 
 
 
 </li>
 </ul>
 
 Reporting lines and interactions:
 
 
 
 <ul>
 <li>
 Hierarchically reports to: HOD, Process &amp; Technology.
 </li>
 <li>
 Operationally reports to: Project Manager, HOD - Process &amp; Technology.
 </li>
 <li>
 Directly supervises (operationally): Senior Process Engineer and Lead P&amp;ID&rsquo;s.
 </li>
 <li>
 Key interactions (internally, externally): Engineering Discipline Manager, Cost Control Manager, Planning Manager, Estimating Manager, Client and Licensor.
 
 
 
 </li>
 </ul>
 
 Profile Must Have :
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Chemical Engineering is required.
 </li>
 <li>
 Minimum 10 -15 years of chemical process engineering experience in similar EPC / Operating environment for Onshore / Offshore projects. Experience in carrying out Pre-FEED / FEED / Detailed engineering work for Onshore / Offshore facilities is required.
 </li>
 <li>
 Dynamic Simulation experience in ASPEN HYSYS.
 
 
 
 </li>
 </ul>
 
 Main Accountabilities:
 
 
 
 <ul>
 <li>
 Develop and document design basis
 </li>
 <li>
 Carry out process studies under minimum supervision
 </li>
 <li>
 Evaluate and optimize process schemes
 </li>
 <li>
 Options screening and techno-economic viability studies
 </li>
 <li>
 Preparing &amp; checking heat and material balances and associated Process Flow Diagrams (PFDs)
 </li>
 <li>
 Preparing &amp; checking Piping and Instrument Diagrams (P&amp;IDs)
 </li>
 <li>
 Experience with process simulation software (i.e., Aspen Plus, HYSYS, Promax, ProII, Flarenet, Pipenet etc.)
 </li>
 <li>
 Sizing, selecting, and specifying process equipment (i.e., pumps, heat exchangers, vessels, columns, etc.)
 </li>
 <li>
 Input into material selection
 </li>
 <li>
 Carry out complex hydraulic calculations
 </li>
 <li>
 Experience sizing, selecting, and specifying pressure relief devices
 </li>
 <li>
 Familiarity with the sizing, selection and specification of process instrumentation
 </li>
 <li>
 Provide assistance to the HOD / Lead Engineer, as requested, in the areas of schedules, estimates, progress reports, meetings, procurement, activities etc.
 </li>
 <li>
 Assist, as required, in the development of department standards and procedures.
 </li>
 <li>
 Assist with Quality Audits
 </li>
 <li>
 Field experience including troubleshooting, start-up, commissioning, etc. would be a plus
 </li>
 <li>
 A deep and thorough understanding of codes, regulatory requirements and industry practices. Experience with determining best practices and procedures while contributing to the development of new concepts.
 </li>
 <li>
 Excellent verbal and written communication skills allowing for effective communication in multidisciplinary project teams involving representative from the client, other departments within Technip Doha, and other consultants and contractors.
 </li>
 <li>
 Results oriented, with good organization skills, attention for detail, and the capability of efficiently working simultaneously on multiple projects.
 
 
 
 </li>
 </ul>
 
 Inclusion Standards
 
 
 
 In our continuous journey to developing and building culture of inclusion, we adhere to four Inclusion Gold Standards. And you?
 
 
 <ul>
 <li>
 We challenge our biases and embrace diversity of thought ;
 </li>
 <li>
 No one has all the knowledge and solutions, collectively we do ;
 </li>
 <li>
 We foster a caring environment where people are respected, comfortable to share and be heard;
 </li>
 <li>
 We promote active listening for effective decisions and action.
 
 
 
 </li>
 </ul>
 
 What&rsquo;s Next?
 
 
 
 Upon receiving your application, our Recruiting Team will evaluate your skills, experience, and potential team fit against the role requirements. We kindly ask for your patience as we carefully review the volume of applications within a reasonable timeframe. You can track your application progress by regularly checking your personal account through your candidate profile.
</div>

Senior Process Engineer(Dynamic Simulation)

Steadfast Trading and Contracting

Urgent Hiring &ndash; Lead Mechanical EngineerWe are looking for an experienced Lead Mechanical Engineer with 10+ years of experience.Location: Tebodin Office, QatarDuration: 3 months (extendable)Availability: Immediate joiners requiredNote: Hiring locally in Qatar onlyEmail: hrsurumy@gmail.comContact: +974 50873338Job Type: Full-time

LEAD MECHANICAL ENGINEER

Explore 1350+ Lead process engineer in Doha this September. Find roles across top companies and apply now to boost your career.

1350 lead process engineer jobs IN Doha

Principal Process Engineer

SR. PROCESS ENGINEER

Principal Process Engineer - PDH

Lead Mechanical Engineer - (Rotating Equipment)

SR. PROCESS ENGINEER

Senior Process Engineer(Dynamic Simulation)

LEAD MECHANICAL ENGINEER