Mechanical Engineer; DM

• Base Pay $ - $ / Year
• Job Category Mechanical Engineering, Project Engineering, Engineering
• Industry Chemical, Refinery, Manufacturing
• 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 Mechanical Engineering Department Manager to help grow our Western U.S. presence. This hands-on leadership opportunity combines technical project delivery, team development, client relationships, and support for regional growth.

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

Reporting to leadership in our California office, this role combines hands-on mechanical engineering with responsibility for work allocation, technical quality, staff development, and multidisciplinary coordination. The Department Manager will work closely with company leadership, project managers, and clients to deliver successful projects, strengthen mechanical engineering capabilities, and support Orion’s growth throughout the Western U.S.

• Department Leadership and Regional Growth
• Lead and develop the mechanical 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 mechanical engineering personnel.
• Establish and maintain consistent engineering practices, specifications, calculation methods, and quality review processes.
• Work with company leadership to build mechanical 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 mechanical engineering assignments from early concept development through detailed engineering, construction, and commissioning.
• Design, specify, and review mechanical equipment and systems, including pressure vessels, heat exchangers, tanks, pumps, compressors, fans, and packaged skids.
• Develop, review, and approve mechanical engineering deliverables within assigned authority, including datasheets, specifications, calculations, design reports, and general arrangement drawings.
• Oversee mechanical equipment requisitions and technical bid evaluations; support procurement with vendor selection and resolution of technical questions.
• Review vendor drawings and documentation for compliance with project specifications, applicable ASME/API codes, client standards, and health, safety, and environmental requirements.
• Coordinate equipment layouts, nozzle orientations, nozzle loads, line-sizing input, and other mechanical interfaces with process, piping, structural, electrical, and instrumentation teams.
• Provide mechanical input to PFDs, P&IDs, and 3D models to align equipment design with process requirements, operating conditions, and plant layout.
• Lead or participate in design, constructability, and safety reviews, incorporating resulting…