Senior Mechanical Engineer – Power & Energy Facilities

Job Category
:
Engineering

Requisition Number
: SENIO
004195

• Posted :
  October 2, 2026
• Full-Time
• Hybrid

Showing 1 location

Plymouth, MI 48170, USA

Senior Mechanical Engineer – Power & Energy Facilities

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they’ll receive great total rewards along the way.

About Us:

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Job Summary: Salas O'Brien's Plymouth, Michigan office is seeking a Senior Mechanical Engineer to provide technical leadership for the design and engineering of mechanical systems for power generation buildings, substations, energy storage facilities, data centers, and industrial/utility infrastructure projects. The role works within a multi-discipline team alongside electrical, civil, structural, and controls engineers, serving as a lead technical resource for mechanical scope across new asset development and retrofit applications.

Under general direction, the Senior Mechanical Engineer will serve as Engineer of Record and lead all aspects of mechanical system design engineering and analysis for assigned systems of responsibility, with primary emphasis on steam and power generation, power piping, balance-of-plant, and process mechanical systems, and secondary responsibility for supporting HVAC, plumbing, and fire protection scope, while mentoring less experienced engineers and supporting QA/QC.

Project clientele includes electric utilities, independent power producers, behind the meter commercial/industrial, hyperscale and colocation data center operators, midstream oil and gas, and federal/DoD power and energy infrastructure clients across Michigan, the Midwest, and — as projects warrant — nationally and internationally.

Responsibilities:

Mechanical System Design — Power & Energy Facilities

• Serve as Engineer of Record (EOR) as well as lead mechanical system design engineering and analysis for assigned systems within power generation halls, electrical distribution centers, low- and medium-voltage switch gear buildings, pump houses, engine generator buildings, blower/air compressor enclosures, control rooms, laboratories, chemical storage and handling areas, and flammable and combustible liquids storage.
• Lead the design of power piping and balance-of-plant systems,…