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Senior Mechanical Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: BR+A Consulting Engineers
Full Time position
Listed on 2026-02-06
Job specializations:
  • Engineering
    Mechanical Engineer, Systems Engineer
Job Description & How to Apply Below
Location: St. Louis

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Founded in 1975,  +A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and branch offices in New York, NY;
Philadelphia, PA;
Vienna, VA (Washington, DC);
Coral Gables, FL (Miami);
Chicago, IL;
St. Louis, MO;
Tampa, FL;
Charlotte, NC;
Charleston, SC;
Houston, TX;
New Haven, CT;
Los Angeles, CA; and Toronto.  +A provides state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire protection consulting engineering, technology systems design, lighting design, and building commissioning services.

BR+A is seeking an experienced Senior Mechanical Engineer in our St. Louis, MO office. The candidate must be strongly motivated, well organized, and show professional initiative The ability to take ownership of assignments and perform well both independently and as part of the project team is necessary.

The ideal candidate will possess a strong working knowledge of Revit, and their responsibilities will include:

  • Delivering high-quality designs and deliverables on technically challenging projects
  • Managing projects, writing proposals, maintaining positive client relationships
  • Performing advanced heating and cooling load calculations with Trace or HAP
  • Developing sections and elevations of complex ductwork and piping areas
  • Developing equipment room sizes during SD and DD phases
  • Editing specifications to reflect the project requirements
  • Developing air and water flows
  • Understanding fan and pump curves to properly select equipment for application
  • Using the psychrometric chart properly for any HVAC system
  • Meeting with vendors to determine specification requirements for application
  • Coordinating with other disciplines (mepfp, arch, struct, etc) for all HVAC details
  • Responding to RFI’s for the project and accurately review submittals
  • Understanding work planning and managing the design process to the available hours in the work plan
  • Understanding the proper scope of SD, DD, CD level documents and delivering appropriate documentation
  • Modifying sequences of operations for AHU’s, CHW, and HW systems
  • Understanding both constant and variable flow systems, and properly applying equipment
  • Meeting with contractors during the bid phase to review the design details
  • Performing field verification and take-offs of existing systems for renovation projects
Essential Job Knowledge, Skills, And Abilities

  • Experience in designing Healthcare, Higher Education, or Laboratory projects
  • Excellent Organizational and Communication skills
  • Positive attitude, result-driven, and team-oriented
  • Proactive and Collaborative team member
  • Professional conduct and presentation
  • Detail orientated and deadline-driven


Minimum Qualifications

  • Bachelor’s degree in Mechanical Engineering
  • PE License
  • 10-20 years of relevant experience
BR+A is a place to learn, to grow, to work hard for clients that matter – and to be part of something bigger. We offer a competitive compensation and benefits package, including Medical, Dental, Life, and Disability insurance coverage, a 401K plan match, generous paid time-off, and much more, to all our full-time employees.

BR+A is an Equal Opportunity Employer. All qualified individuals are encouraged to apply irrespective of race, age, religion, gender identity, sexual orientation, national origin, disability, genetic information, military service, or other non-merit-based factors. Drug testing is a prerequisite for employment.

Visit  for more information about our award-winning projects and our incredible team.

Seniority level
  • Seniority level

    Mid-Senior level
Employment type
  • Employment type

    Full-time
Job function
  • Job function

    Engineering and Information Technology

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Position Requirements
10+ Years work experience
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