Senior Process Engineer

Senior Process Engineer

Location: Sisters, OR or Golden, CO

Salary: $120,000–$145,000 base + bonus

Relocation assistance available

About the Role

We are seeking a Senior Process Engineer to lead process design, improve facility performance, and support projects from initial engineering through commissioning. This role will focus on developing practical engineering solutions, troubleshooting operational challenges, and establishing best practices to improve system reliability and design quality.

The successful candidate will have the opportunity to transition into a Lead Engineer role within approximately one year, taking on greater technical leadership and team oversight responsibilities.

Key Responsibilities

• Develop, review, and modify process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), and other engineering deliverables.
• Support EPC projects and facility upgrades from design through commissioning.
• Perform material and energy balances, hydraulic calculations, and equipment sizing.
• Troubleshoot process issues and validate engineering designs in industrial facilities.
• Establish process control requirements and collaborate with automation and programming teams.
• Identify opportunities to optimize processes, improve efficiency, and strengthen engineering standards.
• Mentor junior engineers and support the development of the wider engineering team.

Requirements

• Bachelors degree in Engineering or a related technical discipline.
• Strong process engineering experience across industrial projects and facility operations.
• Hands-on experience with process design, equipment sizing, field engineering, and commissioning.
• Proficiency with ProMax, Aspen Plus, Aspen HYSYS, or comparable process simulation software.
• Knowledge of applicable ASME and API codes and standards.
• Strong technical problem-solving skills and the ability to work independently.

Experience in RNG, natural gas processing, oil and gas, chemical processing, wastewater, petrochemicals, or other heavy industrial environments is highly desirable. Ideally, candidates will have 8–10+ years of experience and previous exposure to mentoring or technical leadership.

Additional Details

• Four days in the office, with one flexible day.
• Approximately 20% travel during commissioning.
• Quarterly travel to Sisters required for candidates based in Golden, CO.
• Benefits include health, dental, vision, 401(k), and unlimited PTO, generally targeting 4–6 weeks annually.