Senior Process Engineer

Primoris Engineering is seeking a senior-level Process Engineer for our Houston, Texas office. This role focuses on onshore oil & gas transportation projects in the upstream, midstream, and petrochemical markets, specializing in Facilities and Pipelines, including Pump Stations, Compressor Stations, CO₂ Capture Facilities, Tank Farms, Terminals (Loading/Unloading Truck, Rail, Marine), Pipeline Facilities (Traps, valve sites, meter sites, tie-ins), Upstream production pads, gathering pipelines, and tank batteries.

Responsibilities

• Develop the Process Basis of Design
• Prepare Heat and Material Balance for the project
• Process Flow and P&ID Development
• Prepare the Line List
• PSV/relief calculations and Flare Study
• Hydraulic Simulation and Surge Analysis, including flow assurance calculations for steady state and transient piping systems
• Develop Operational Philosophy
• Prepare markups of PFDs and P&IDs
• Ensure project compliance with applicable codes and client standards
• Interface with Design team for PFD/P&ID development, 30/60/90 Model Reviews, IFR and IFC development, and cross-discipline checking
• Equipment specification and datasheets for procurement, including rotating and static equipment
• Sizing Calculations for specialty items
• Prepare RFQ packages on Mechanical equipment, including Datasheets and specifications, Technical Bid Evaluations, Vendor Drawing reviews, and interface with equipment vendors
• Provide clarifications for vendors and review/approve vendor drawings
• Interface with the Project Management team to provide progressing, scheduling, and budgeting support
• Review and QA/QC all Process deliverables
• Provide construction commissioning support as required

Requirements

• Bachelor’s Degree in Chemical Engineering preferred; Petroleum or other degrees accepted with applicable experience
• 7+ years of experience with midstream facilities or pipelines in the U.S.
• In-office participation required; excellent communication skills and professionalism
• Client interfacing role may be required if assigned as a Lead
• Travel not mandatory, but occasional site visits or client meetings may be required
• Experience with rotating equipment, instrumentation, and controls is recommended
• Working knowledge of ASME B31.3, B31.4, B31.8, CFR/DOT regulations, and other applicable API standards and recommended practices for design

Qualifications

• Gas compression equipment experience is desired, with knowledge of reciprocating and Solar turbine machines preferred
• Experience with pipeline simulation, P&IDs, and midstream equipment preferred
• Operations experience is a plus

Benefits

• 401k with employer match
• Health, Dental, and Vision insurance plans
• Paid time off
• 10 paid holidays
• Stock purchase plan