Mechanical Engineer

Mechanical Engineer

Date: Mar 4, 2026

Location: Lexington, MA, US

Company: MIT Lincoln Laboratory

The Facility Service Department's (FSD) engineering team is a full‑service MEP consulting engineering department, knowledgeable in the latest regulatory requirements and building codes. We provide engineering assessments, design drawings, bid documents and construction administration for a wide variety of projects from small renovations to complete laboratories.

The Mechanical Engineer will provide engineering support for facility projects, primarily HVAC system design (air and water), process piping/ductwork, as well as plumbing and fire protection systems. This position will be responsible for the design and construction oversight of new spaces/renovations and modifications to existing building systems in concert with other disciplines for offices, laboratories/clean rooms, and other similar spaces.

• Complete building mechanical system designs including calculations, equipment selection and sizing, control strategies, ductwork and piping systems design, etc.
• Work in a collaborative team environment to develop project scope, basis of design and create contract bid packages inclusive of specifications, calculations, and drawings.
• Perform necessary calculations for building HVAC systems including heat load, air flow calculations, pump and equipment sizing/selection, development of BOD, etc.
• Participate in the construction administration process including resolving field issues, site inspections, review of shop drawings, start up, and final punch list.
• Provide system design using AutoCAD MEP and REVIT.
• Ensure timely completion of projects based on workflow schedules.
• Support and contribute updates to design standards, master specifications, as‑built and system documents.
• Attend weekly team meetings to coordinate interdisciplinary design issues and support discipline/department initiatives.
• Perform design studies, code assessments (IBC, UFC, MA 780 CMR, etc.) and write reports as may be required.
• Support O&M operational facility issues with investigation and troubleshooting, support work orders, and engineering support; produce supporting drawings and equipment selections.

• Bachelor of Science in Mechanical Engineering, with at least 4–6 years of industry‑related building mechanical (HVAC) system design experience required.
• Experience with the facilities infrastructure of research laboratories, offices, clean rooms, data centers, central plant utilities (steam, chilled water, etc.) desired.
• Working knowledge/proficient in building and mechanical codes.
• Proficiency in AutoCAD/AutoCAD MEP software is required. Experience with REVIT is desired.
• Field work is required – must have the ability to climb ladders and work in construction areas.
• Ability to obtain and maintain a government security clearance required.
• Proven ability to work successfully in a team environment.

• Plumbing, process piping system, and/or fire protection design experience is considered advantageous.
• Knowledge of Unified Facilities Criteria is preferred.
• Professional Engineering License is desired, or EIT certification with ability to obtain PE is considered advantageous.
• Experience using Carrier HAP and/or Pipe‑Flo software desired.

Hiring Range: $92,900 – $123,000

Job Grade: ADM‑IC3

MIT Lincoln Laboratory provides a typical hiring range as a good faith estimate of what we reasonably expect to offer for this position at the time of posting. The final salary offered to a selected candidate will depend on various factors, including but not limited to the scope and responsibilities of the role, the candidate’s experience, skills and education/training, internal equity considerations and applicable legal requirements.

This range reflects base salary only and does not include additional forms of compensation or benefits.

• Comprehensive health, dental, and vision plans
• MIT‑funded pension
• Matching 401K
• Paid leave (including vacation, sick, parental, military, etc.)
• Tuition reimbursement and continuing education programs
• Mentorship programs
• A range of work‑life balance options
• … and much more!

Selected candidate will be subject to a pre‑employment background investigation and must be able to obtain and maintain a Secret level DoD security clearance.

MIT Lincoln Laboratory is an Equal Employment Opportunity (EEO) employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran status, disability status, or genetic information; U.S. citizenship is required.