Senior Process Engineer – Midstream Leader, On-Site Katy

Optimized Process Designs; Katy (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Optimized Process Designs, LLC (OPD) is seeking a Senior Process Engineer to lead midstream oil and gas projects from scope development through detailed design and construction. You will mentor junior engineers and own process deliverables such as simulations, design calculations, and equipment selection.

The ideal candidate has hands‑on experience with process simulators and refinery or gas processing facility design, with a passion for collaborative problem solving and operational excellence.

Qualifications

• Process engineering experience in midstream or downstream oil and gas industries.
• Working knowledge of process simulator software (e.g., HYSYS, Unisim).
• Experience preparing equipment datasheets for heat exchangers, pumps, vessels, compressors, fired heaters, electric heaters, and distillation columns.
• Experience in sizing PSVs and control valves.

Responsibilities

• Provide technical expertise to projects from scope development through construction.
• Lead process engineering on multiple projects with assistance from other engineers.
• Mentor junior engineers to accelerate technical advancement.
• Independently evaluate and design facilities for midstream and downstream projects.
• Perform basic and detailed design engineering for refineries and gas processing facilities.
• Own process deliverables including simulations, calculations, and equipment sizing.

Skills

Process engineering

Process simulators

Equipment datasheets

PSV sizing

Control valves

Education

Bachelor's degree in Chemical Engineering

Professional Engineer license

Tools

HYSYS

Unisim

Job description

Optimized Process Designs, LLC (OPD) is seeking a Senior Process Engineer to lead midstream oil and gas projects from scope development through detailed design and construction. You will mentor junior engineers and own process deliverables such as simulations, design calculations, and equipment selection.

The ideal candidate has hands‑on experience with process simulators and refinery or gas processing facility design, with a passion for collaborative problem solving and operational excellence.