Senior Mechanical HVAC Engineer

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At Jacobs, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery and cutting‑edge manufacturing, turning abstract ideas into realities that transform the world for good. Your impact:
We drive to make a positive impact on people’s lives everywhere by bringing solutions and adding value to our communities and society as a whole. Grow your career with Jacobs, a company that inspires and empowers you to deliver your best work so you can evolve, grow, and succeed – today and into tomorrow.

In our Advanced Manufacturing Group, our team elevates our clients by delivering cost‑effective and transformative projects to the specialty chemical, electric vehicle, manufacturing, metals, pulp and paper and various other markets. We understand that the success of our clients is about more than well‑designed facilities; it’s about well‑designed strategies tailored for every market and every location.

We’re looking for an experienced, high‑energy HVAC Engineer to join our Building Mechanical team and help deliver innovative HVAC design solutions for our heavy industrial clients. You will work alongside our team of engineers and designers performing field investigations, interfacing with clients & vendors, sizing and selecting equipment, and preparing construction design packages.

• Layout and design of HVAC systems
• Development of the design criteria for the HVAC systems, including general comfort heating and cooling, temperature or humidity control, unique pressurization requirements, and/or cleanliness requirements for clean room applications.
• Development of conceptual design and preliminary design documents, including calculations related to sizing and selecting these systems, the development of Air Flow Diagrams (AFDs), Process and Instrumentation Diagrams (P&IDs), and general arrangements.
• Development of final design documents including specifications, sequences of operation, duct/piping layout, and final construction documents associated with these systems (chilled water, cooling water, etc.).
• Coordination with other disciplines.

• Professional Engineering License.
• At least ten (10) years’ experience in the design of HVAC systems for industrial facilities.
• Thorough knowledge of codes and standards related to the design of HVAC systems.
• Bachelor of Science Degree in Mechanical Engineering.
• Adaptability to work within a fast‑paced team environment with multiple deadlines.
• Ability to lead a building mechanical team on a project and to collaborate with other discipline team members remotely.

• Software experience in Revit, Carrier HAP, Trane Trace 700, and Trane Trace 3D.
• Experience in the design of plumbing/utility systems.

Our health and welfare benefits are designed to invest in you, and in the things you care about. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full‑time salaried/exempt employees, seven paid holidays, one floating holiday, and caregiver leave.

And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Qualified applicants with criminal histories will be considered for employment.

Job posted on October 16, 2025. This position will be open for at least 3 days.

We value collaboration and believe that in‑person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regard to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.