Senior Process Engineer

Job Description – Senior Process Engineer (DEN
007Z)

Senior Process Engineer – DEN
007Z

Company:
Worley

Denver, CO

Process

Full-time

Employment Type:

Employee

Unposting Date:
Jan 1, 2026

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 lifecycle of their assets. We’re bridging two worlds, moving towards more sustainable energy sources, while helping to provide the energy, chemicals and resources needed now.

As a Senior Process Engineer, you will provide process engineering services to Worley and its customers, perform process engineering tasks with oversight from a Lead Process Engineer, and provide mentorship to others within the process engineering team. You will bring oil refining, pipeline, gas processing, and/or chemical industry experience to specifically support Worley’s client local to Denver, CO.

This is a full-time position based at our Worley Denver, CO office.

• Deliver process engineering services that meet Worley, its customers', and applicable statutory and regulatory specifications on time and within budget.
• Initiate, manage and, if required, supervise process engineering project requirements.
• Perform process engineering services such as: participate in relevant meetings, prepare progress reports, and follow required checking procedures.
• Ensure the project scope is clear and that changes comply with project change management processes.
• Provide assistance and advice during procurement, construction, and commissioning activities.
• Outline project requirements, actively promote workshare where appropriate, assign tasks, and supervise progress; proactively resolve any discrepancies between Worley and its customer's requirements.
• Communicate resource plans and needs for assigned projects to the Process Engineering Manager and seek resources with the assistance of the manager.
• Communicate effectively with the process engineering team and project stakeholders, including the customer.
• Identify issues and problems, develop appropriate solutions, and ask for assistance when required.
• Provide technical oversight, assign tasks to junior or mid-level engineers, and monitor progress for projects as needed.
• Develop, check and be the technical owner and approver of process engineering deliverables, including but not limited to:
• Process Flow Diagrams (PFDs).
• Heat and Material Balances (HMBs).
• Piping & Instrumentation Diagrams (P&IDs).
• Process models in Aspen HYSYS, Unisim Design, or other simulation software.
• Line sizing, velocity and pressure drop calculations.
• Equipment sizing calculations and specifications for bulk separation vessels, heat exchangers, pumps, compressors, control valves and PSV’s.
• Pressure Safety Valve (PSV) over pressure analysis and sizing, familiar with Iprism.
• Relief system (flare) evaluation and analysis.
• Process engineering studies, process basis of design documents and technical reports.
• Participate in PHA for assigned project as technical expert or facilitator.
• Participate in and provide feedback during project design reviews.
• Respond promptly to inter-disciplinary inquiries and requests for review.
• Review and comment on inter-disciplinary deliverables such as piping layouts, isometrics, 3D models, mechanical equipment specifications, etc.
• Keep up to date with the latest developments and technical innovations in process engineering.
• Participate in office and process engineering team minutes and team building events.

• 8‑10 years of process engineering experience executing projects in the oil, natural gas, and/or chemical industries.
• Demonstrated capability as a process engineering lead.
• Substantial experience working in multi‑disciplinary projects and teams.
• Highly effective technical and practical engineering skills and ability to consistently deliver quality, accurate, and timely work to Worley and its customers.
• A sound knowledge of the fundamental requirements of process engineering and the basic requirements of other engineering…