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Lead Mechanical Engineer (HVAC)

The Buildings & Infrastructure Line of Business is a global network of employees, which serves both the private and public sector. Our employees work to shape the communities we live in by creating world-class projects that transform the future development patterns of those communities. We provide our clients award-winning planning, engineering, architectural and interior design, construction and program management, and design-build project delivery. The Jacobs business model allows us to successfully service our clients, leverage our integrated services, and provide our employees with growth opportunities while delivering global solutions to our client’s local programs.

We consistently receive high rankings from Engineering News-Record (ENR) in many classifications, including the categories of Top Design Firms, Top Contractors, Top Green Buildings Design Firms, and Top Transportation Companies.

Position Summary

JACOBS, the ENR 500 leading international architecture and engineering design firm is acquiring exciting new projects in its full service Saint Louis downtown office. Immediate needs for qualified staff include experienced project engineers with Architectural Engineering and Mechanical Engineering credentials who are passionate about creating the next generation of sustainable facilities to solve public and private facility requirements. The work shapes the communities we live in by creating world-class projects that transform the future development patterns of those communities with award-winning planning, engineering, architectural and interior design, construction and program management, and design-build project delivery services. The JACOBS business model provides employees with outstanding growth opportunities delivering global solutions.

The successful candidate will be responsible for applying advanced engineering techniques to design building Heating Ventilating and Air Conditioning systems with minimal supervision while directing engineers and designers. Lead Mechanical Engineers are granted considerable latitude in determining the approaches to assignments, researching and developing designs for a variety of building types, including projects for Federal DOD, mission critical, data centers, power and energy, local government, higher education, laboratories and other commercial and industrial projects.

Lead Mechanical Engineers perform all aspects of engineering analysis and design for projects from concept stages through final design and construction administration. That requires knowledge of applicable codes and industry standards, participation in planning, cost development and management within the mechanical discipline. Project responsibility includes system selection and developing the design for equipment, ductwork systems, piping and controls, performing energy simulations, life cycle cost analysis, code compliance studies and reports. Duties include leading other engineers and designers in the production of analyses, calculations, contract documents and specifications. Daily activities include one or more of the following:
  • Visit project sites, collects field data, and prepares data for evaluation.
  • Lead the coordination of projects from conception (feasibility) through final plan preparations.
  • Provide support and mentoring for engineering staff members.
  • Demonstrate strong analytical, conceptual, communication and organizational skills.
  • Effectively interface with all disciplines and levels of personnel and management.
  • Work with and lead engineers and designers in a team environment.
  • Understand a problem’s fundamental issues and develop effective solutions.
  • Motivate self and others
  • Work productively without supervision.
  • Demonstrate excellent oral and written communication skills.

  • Bachelor in Architecture Engineering or Mechanical Engineering is required
  • Minimum of 10 years’ related design experience is required
  • Registration as a Professional Engineer or obtain registration within one year of employment is required
  • LEED accreditation or obtain LEED accreditation within one year of employment us required
  • Security Clearance or ability to obtain Security Clearance is preferred
  • Working knowledge of engineering design and equipment selection software is required
  • Working knowledge of Revit and AutoCAD is required
  • Working knowledge of energy simulation and life cycle cost software is required
  • Ability to perform facility condition assessments is required
  • Proof of U.S. Citizenship is required
  • Advanced degree in engineering or engineering management is preferred
  • NCEES Record is required
  • Ability to obtain Secret security clearance is preferred
  • Working knowledge of Bentley Triforma and/or Microstation is preferred

At Jacobs, we help prepare people for new opportunities and challenges. With positions at every level, openings in multiple disciplines, expertise in a range of markets and offices around the globe, we create an environment where you can learn, grow, and thrive. From our competitive benefits program to our Health and Safety initiative of Beyond Zero workplace injuries, we believe that you'll find a flourishing career here at Jacobs.


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St. Louis, Missouri
United States
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