Senior Process Engineer 1- Oil & Gas
Sargent & Lundy
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Englewood, CO · Posted October 8, 2026
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Where Englewood, CO ranks
Where Englewood, CO placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #3Best all-round cities for remote workers in the Mountain West60 / 100 · of 11
- #4Best cities for mid-career professionals in the Mountain West60% · of 19
- #5Best all-round cities for mid-career professionals in the Mountain West51 / 100 · of 11
- #7Best cities for entry-level jobs that want AI skills in the Mountain West8% · of 16
- #7Best all-round cities for AI careers in the Mountain West41 / 100 · of 11
- #8Best cities for AI-skill jobs in the Mountain West8% · of 19
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among petroleum engineers is little observed so far. Measured exposure for petroleum engineers: 0% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
Responsibilities
Work as part of a multi-disciplinary team as the lead process engineer and/or senior technical advisor for multiple projects.
Develop the heat and material balance for new projects using process simulation tools.
Create process flow diagrams (PFD) and piping and instrumentation diagrams (P&IDs).
Perform equipment sizing calculations and prepare equipment data sheets.
Perform detailed hydraulic calculations to determine pipe sizes, control valve sizing, compressor and pump duties, etc.
Perform facility overpressure protection calculations, PSV sizing, and documentation.
Lead and/or participate in safety reviews, HAZOP/PHAs, and PSM activities.
Develop Design Basis for new projects.
Develop Process Control Narrative document and support Cause & Effect document.
Maintain effective communication with project team members and with clients, vendors, and contractors.
Provide technical guidance and mentoring to less experienced designers and engineers (non-supervisory role).
Participate in the preparation of proposals for engineering services. Support schedule planning for projects including coordinating staffing resources with Process Engineering Manager.
Perform feasibility/economic studies, conceptual designs, front-end design (FEL), optimization/de-bottle-necking studies.
Support construction, commissioning, and start-up efforts, draft operating procedures and provide operator training manual input.
Provide technical guidance and information to mechanical, electrical, instrumentation, civil, and project engineering disciplines.
This position is based on a hybrid work schedule and will require in-office work 3 days per week.
Qualifications
We do not sponsor employees for work authorization in the U.S. for this position.
Essential skills and experience:
This position requires a BS and/or MS in engineering from an ABET Engineering Accreditation Commission-approved program with a strong academic background.
6+ years of oil and gas industry experience in midstream and/or upstream.
Professional Engineering License is preferred.
Strong knowledge of gas plants and gas processing preferred.
Excellent oral and written communication skills required as well as a professional demeanor.
Excellent team-working skills.
Skills in HYSYS, Synergi, VMG Symmetry, and/or ProMax preferred.
Able to travel as necessary for client meetings, job site visits, start-up activities, off-site training, industry related conventions/seminars, etc. (up to 20% travel).
Skills in pipeline hydraulic modeling including dynamic surge analysis.
Technology & Innovation
Sargent & Lundy values the appropriate use of technology to improve how work gets done and deliver high-quality outcomes for our clients. Depending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design activities, workflow improvement, or other aspects of their work. We value candidates who demonstrate an interest in learning and effectively using emerging technologies where relevant to their role. Employees remain accountable for their work and are expected to apply appropriate professional judgment and review when using technology-assisted tools. Experience with AI, automation, programming, or similar technologies is valued where relevant but is not required unless specifically identified elsewhere in the job description.
About Sargent & Lundy
At Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.
Health & WellnessFinancial BenefitsWork-Life Balance
Health Plans: Medical, Dental, Vision
Life & Accident Insurance
Disability Coverage
Employee Assistance Program (EAP)
Back-Up Daycare
FSA & HSA
401(k)
Pre-Tax Commuter Account
Merit Scholarship Program
Employee Discount Program
Corporate Charitable Giving Program
Tuition Assistance
First Professional Licensure Bonus
Employee Referral Bonus
Paid Annual Personal/Sick Time (PST)
Paid Vacation
Paid Holidays
Paid Parental Leave
Paid Bereavement Leave
Flexible Work Arrangements
Compensation Range $84,762 - $129,498
Transparency Statement Sargent & Lundy discloses compensation ranges that comply with all local and state regulations. The total compensation package for eligible positions will include a base salary or an hourly rate and a comprehensive benefits package, reflecting our commitment to rewarding performance and supporting the overall well-being of our employees. Individuals may also be eligible to participate in our yearly discretionary bonus.
About This Business Unit
The Energy & Industrial Group (EIG) specializes in delivering advanced engineering solutions across various sectors, including power generation, environmental compliance, oil & gas, and industrial projects, from new plant design to plant betterment and upgrade services for operating facilities. We have designed nearly 900 conventional power plants, yielding over 100,000 megawatts (MW) of generation capacity. Our expertise includes numerous recent and ongoing combined cycle projects that leverage the latest advanced machinery, including combustion turbines, steam turbines, and heat recovery steam generators from all leading suppliers. EIG is recognized for its commitment to decarbonization through innovative technologies in renewable energy, carbon capture, and hydrogen power. We excel in detailed engineering services for photovoltaic (PV) solar projects and energy storage integration, and lead the industry in carbon capture technologies, managing projects from conceptual studies, pilot demonstrations and through commercial scale implementation for utilities and industrial plants.
Equal Opportunity
Sargent & Lundy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any protected status as defined by applicable law.