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Sr. (Lead) Mechanical Engineer - Life Science

Top Echelon Network (recruiter member boards)

Boston, MA · Posted September 28, 2026

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About the job

About our client

Our client is an architecture, engineering, and construction management firm focused on pharmaceutical and biotech facilities. Their work includes process and MEP engineering, process architecture, lab planning, and commissioning and qualification. They are adding a senior mechanical engineer to lead the mechanical group in their Boston-area office.

The role

The Lead Mechanical Engineer is responsible for mechanical design on the office's pharmaceutical and biotech projects and for a team of about ten. Projects range from renovations and expansions to new construction, including biologics and cell therapy facilities, aseptic processing, and central utility plants.

The position is based in the Boston area.

What you would be doing

Designing HVAC and process support systems for cGMP spaces, including cleanrooms and aseptic processing areas

Designing central utility systems such as chiller plants

Performing load calculations and equipment selection, and writing specifications

Serving as engineer of record and reviewing the mechanical team's work

Mentoring and developing the engineers in the group

Working directly with clients and supporting proposals and business development

Coordinating with the firm's process, electrical, architecture, and commissioning teams

Supporting construction administration, including submittals, RFIs, and site visits

What we are looking for

Professional Engineer license

Bachelor's degree in mechanical engineering

Significant mechanical design experience on pharmaceutical or biotech facilities, with hands-on cGMP work

Working knowledge of cGMP HVAC requirements, including cleanroom classification and pressurization

Experience leading and mentoring engineers

Comfortable working directly with clients

Familiarity with ISPE Baseline Guides is a plus