Mechanical Engineer II

We Make Everything Around Us Better At PRIME AE, that’s not a slogan, it’s how we work.

Every bridge, building, campus, park, and roadway we design exists to improve how people live, move, learn, and connect. Through architecture, engineering, planning, and consulting, we partner with clients to create thoughtful, practical solutions that leave communities stronger than we found them.

If you want your work to matter, and to be surrounded by smart, collaborative people who care about doing things the right way, you’ll feel at home here.

PRIME AE Group, Inc. (is ) is a nationally ranked, full‑service architecture and engineering firm driven by collaboration, innovation, and a commitment to strengthening the communities we serve. With a growing footprint of offices across the country and a diverse team of more than 550 professionals, we partner with public and private sector clients to deliver thoughtful, high‑impact solutions across transportation, education, healthcare, municipal, federal, commercial, and recreational markets.

Our culture blends entrepreneurial energy with the resources of a scaled, multidisciplinary platform—giving our people the opportunity to shape meaningful projects while influencing the future direction of the firm. As PRIME AE continues to expand its capabilities, geographic reach, and leadership bench, this is an exciting time to join a team that is building momentum, investing in growth, and empowering leaders to make a lasting impact.

We are currently seeking a Mechanical Engineer II to join our Columbus, Akron, Baltimore, Jacksonville, or Pensacola offices.

In this role, you will support the design and delivery of mechanical and plumbing systems across a diverse range of building types and market sectors. Working closely with senior engineers and multidisciplinary teams, you will contribute to system design, coordination, and construction documentation while ensuring compliance with project specifications and industry standards.

You will collaborate with architects, engineers, contractors, and field personnel to help deliver high‑quality projects from concept through construction. This position offers an opportunity to grow technical expertise while contributing to complex, high‑visibility projects within a collaborative and dynamic engineering environment.

Project types include Healthcare, Federal, Justice, K–12, Higher Education, Corporate Commercial, Pharmacy, Retail, Multifamily & Assisted Living, Hospitality, Cultural & Historic, Data Centers, Industrial, Residential, and Military/DoD facilities.

As a Mechanical Engineer II, you will assist in the development of mechanical system designs, perform engineering analysis, and support project teams throughout the design and construction process. You will work under the guidance of senior engineers while taking increasing ownership of design tasks and coordination efforts.

• Assist in the design of mechanical and plumbing systems for a variety of building types and industry sectors.
• Develop mechanical system layouts and construction documentation from concept through final design phases.
• Coordinate with field staff, architects, contractors, and engineers to ensure compliance with project specifications and design intent during construction.
• Perform engineering calculations, system sizing, and technical analysis to support project development.
• Apply problem‑solving techniques to develop efficient and innovative design solutions.
• Assist with preparation of construction drawings, technical reports, and project documentation.
• Support multidisciplinary coordination with electrical, structural, civil, and architectural teams.
• Provide guidance and technical support to junior staff as appropriate.

• Bachelor of Science in Mechanical Engineering from an ABET‑accredited engineering program.
• 7+ years of experience in mechanical and plumbing system design.
• Professional Engineer (PE) license preferred.
• Experience designing HVAC, hydronic, controls, and plumbing systems including domestic water, sanitary, and venting systems.
• Knowledge of medical gas and fire suppression…