Senior Process Engineer

Senior Process Engineer at Koch

Optimized Process Designs, LLC (OPD), a Koch company, is seeking a skilled and motivated Senior Process Engineer to join our team and take a lead role in delivering midstream oil and gas projects. In this position, you will apply your technical expertise across all project phases, from initial scope development through detailed design and construction.

You will lead process engineering efforts, mentor junior engineers, and take ownership of critical process deliverables including simulations, design calculations, and equipment selection. The ideal candidate will have hands‑on experience with process simulation software, a strong background in refinery or gas processing facility design, and a passion for mentoring and collaborative problem‑solving. If you have a foundation in process engineering with a focus on midstream or downstream sectors, we invite you to contribute to complex, high‑impact projects that drive operational excellence.

This role will sit on‑site at OPD’s headquarters in Katy, TX.

• Provide technical expertise to projects in all phases of work from initial project scope development through construction
• Lead process engineering on multiple projects with assistance from other Process Engineers
• Mentor junior engineers to help accelerate their technical advancement
• Independently evaluate and design facilities for midstream and downstream projects
• Basic and detailed design engineering activities for assigned projects in refineries and gas processing facilities
• Be the technical owner on all process deliverables such as performing process simulations, design calculations, sizing and selection of equipment
• Review client documents, specifications, datasheets, verification of FEED design and calculations, PFD, P&IDs, equipment datasheets, heat material balances, process line sizing calculations, hydraulic calculations, instrument datasheets including control valves and relief valves, and other process design–related tasks
• Evaluate vendor quotes and develop equipment bid tabs
• Assist in the development of I/O lists, line lists, cause & effect, control philosophies, shutdown philosophies, and providing necessary engineering inputs to other disciplines
• Assist in developing start‑up and operating manuals and attend Process Hazard Analysis meetings for projects, and attend start‑ups for plants when requested

• 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 sizing PSVs and control valves

• Bachelor’s degree or higher in Chemical Engineering
• Professional Engineer license

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify.