Process Engineer; DM

• Base Pay $ - $ / Year
• Job Category Process Technology, Process Engineering, Chemical Engineering
• Relocation Expense Covered No
• Employee Type FT Exempt
• Required Degree 4 Year Degree
• Manage Others Yes

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ORION ENGINEERS + CONSTRUCTORS is expanding in the Western U.S. and seeking an experienced Process Engineering Department Manager to help grow our Western U.S. presence. This is a hands‑on leadership opportunity for a process engineering professional who enjoys delivering technical solutions, developing engineers, building client relationships, and supporting regional growth.

As part of Orion Engineers + Constructors’ Engineering Services Department, the Process Engineering Department Manager provides technical and departmental leadership for process engineering activities supporting oil and gas, chemicals, refining, and related industrial facilities.

Based in the Western US, this role combines hands‑on process engineering with responsibility for work allocation, technical quality, staff development, and coordination across multidisciplinary project teams. The Department Manager will work closely with company leadership, project managers, and clients to deliver successful projects, strengthen process engineering capabilities, and support Orion’s growth throughout the Western U.S.

• Department Leadership and Regional Growth
• Lead and develop the process engineering team, establishing clear expectations for technical quality, accountability, collaboration, and project execution.
• Plan and coordinate departmental workloads, staffing needs, and resource assignments to support project commitments and business priorities.
• Support recruiting, onboarding, mentoring, and performance management of process engineering personnel.
• Establish and maintain consistent engineering practices, design tools, calculation methods, and quality review processes.
• Work with company leadership to build process engineering capabilities and support growth throughout the Western U.S.
• Develop and maintain client relationships, understand client needs, and help identify opportunities for additional engineering services.
• Support proposals, scope development, engineering estimates, staffing plans, and project schedules.
• Monitor departmental project commitments, budgets, and deliverables, addressing technical or resource concerns proactively.
• Technical Leadership and Project Execution
• Serve as a technical lead and senior reviewer for process engineering assignments from early concept development through detailed engineering and implementation.
• Develop, review, and approve process design deliverables within assigned authority, including heat and material balances, Process Flow Diagrams (PFDs), and Piping & Instrumentation Diagrams (P&IDs).
• Perform or oversee process simulations using Aspen HYSYS, Aspen Plus, Pro Max, or equivalent software to support design, debottlenecking, and optimization studies.
• Perform or oversee hydraulic calculations and line sizing for liquid, gas, and multiphase piping systems.
• Size and specify process equipment, including pumps, vessels, heat exchangers, compressors, and control valves, and review associated process datasheets.
• Lead or oversee relief system and flare evaluations, including identification of relief scenarios, calculation of relief loads, and Pressure Safety Valve (PSV) sizing in accordance with applicable codes and standards.
• Participate in process safety activities, including HAZOP, PHA, and SIL reviews, and coordinate incorporation of resulting recommendations into project designs.
  Prepare and review design reports, calculations, datasheets,…