Mechanical Engineer (PE) - Primoris Engineering

Primoris Services Corporation

69d•Onsite

About The Position

Primoris Engineering is currently seeking a licensed Mechanical Engineer to join our Houston-based team! In this dynamic role, you’ll collaborate with top-tier clients across the onshore oil and gas transportation industry—including upstream, midstream, and petrochemical sectors. Prior experience in pipeline engineering is essential, along with a strong background in compressor and pump station systems. This is a fantastic opportunity to be part of a dynamic, innovative operation that values expertise and collaboration, and thrives on client success. The core focus of our Houston Engineering office is 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, etc.), Upstream production pads, gathering pipelines and tank batteries.

Requirements

Bachelor's Degree in Mechanical Engineering
5+ years of experience with midstream facilities and pipelines in the US
Experience working closely with designers
In-office participation is required
Client interfacing role may be required if assigned as a Lead; professionalism and ability to communicate effectively is required
Travel not mandatory, but this role may require occasional site visits or client meetings
Experience with static and rotating equipment i.e. compressors, pumps, valves, traps, strainers, tanks and piping
Working knowledge of ASME B31.3, B31.4 and B31.8, CFR/DOT regulations, and other applicable API standards and recommended practices for design

Nice To Haves

Professional Engineer licensure preferred, or working towards licensing. Ability to obtain license in multiple states is a plus.
Gas compression equipment experience is desired, with knowledge of reciprocating and Solar turbine machines is preferred.

Responsibilities

Rotating and Static Equipment- Sizing Calculations for specialty items. For Packaged equipment: prepare RFQ packages on Mechanical equipment including Datasheets and specifications, Technical Bid Evaluations, Vendor Drawing reviews interface with equipment vendors, provide clarifications for vendors, review/approve vendor drawings
Pipe, Valves, Fittings - Pipe stress analysis (Caesar II), Pipe/Valve specifications, material and coating specifications, hydrotest calcs, BOM for purchase
P&ID Development- Providing support to process in the development of P&IDs, as applicable
Hydraulic Analysis- Flow assurance calculations for steady state and transient piping systems.
Pipeline Engineering- pipeline design, HDD stress calculations, hydrofracture calcs, bending and wall-thinning calcs, Buoyancy, HCA/MCA/Class Locations, routing and workspace design, Crossings, Alignment sheet development with Mapping team
Ensure project is in compliance with applicable codes and client standards.
Interface with Design team- Equipment layout, 30/60/90 Model Reviews, IFR and IFC development, cross-discipline checking
Interface with the Project Management team and provide progressing, scheduling and budgeting support
Review and QA/QC all Mechanical and Piping deliverables
PE Sign/Seal final documentation for permits and construction, as applicable