Lead Process Engineer - Midstream/Downstream Expert

Flint Hills Resources; Katy (TX); On-site; USD 120,000 - 190,000; Full time

Job summary

Optimized Process Designs (OPD), a Koch company, seeks a Senior Process Engineer to lead midstream and downstream oil & gas projects. You will drive scope, design, and construction, owning process simulations and equipment sizing while mentoring junior staff at OPD's Katy, TX headquarters.

The role emphasizes hands-on reactor/processor design within refinery or gas processing facilities, collaborating across disciplines and delivering high-impact results onsite.

Qualifications

• Experience in midstream or downstream oil & gas projects.
• Hands-on with process simulators (HYSYS, Unisim, etc.).
• Experience preparing equipment datasheets and sizing PSVs/Control valves.

Responsibilities

• Provide technical expertise across all project phases from scope through construction.
• Lead process engineering on multiple projects with support from other engineers.
• Mentor junior engineers to accelerate technical development.
• Independently evaluate and design facilities for midstream and downstream projects.
• Perform basic and detailed design activities for refineries and gas processing facilities.
• Own process deliverables: simulations, design calculations, equipment sizing/selection.
• Review client documents, FEED calculations, PFDs, P&IDs, datasheets, heat/mass balances, and line sizing.

Skills

Process engineering

Process simulation

Equipment datasheets

PSV sizing & control valves

Mentoring/junior engineers

Education

Bachelor's degree in Chemical Engineering

Professional Engineer license

Tools

HYSYS

Unisim

Job description

Optimized Process Designs (OPD), a Koch company, seeks a Senior Process Engineer to lead midstream and downstream oil & gas projects. You will drive scope, design, and construction, owning process simulations and equipment sizing while mentoring junior staff at OPD's Katy, TX headquarters.

The role emphasizes hands-on reactor/processor design within refinery or gas processing facilities, collaborating across disciplines and delivering high-impact results onsite.