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🥝 Mechanical Engineer - Federal Buildings

Jacobs | St. Louis, United States | Posted June 03, 2026

Job Description

At Jacobs, we’re not just building structures, we’re helping our clients innovate and grow by designing, engineering, and executing the construction of state-of-the-art facilities that are changing our world. We push the limits of what’s possible to make the world smarter, more connected, and more sustainable.

Bring your curiosity, talent for multi-tasking and collaboration, and extreme organizational skill and we’ll help you grow, pursue, and fulfill what drives you - so we can make big impacts on the world, together. Your role will include:

Developing overall Conceptual and Basis of Design level design approaches and documentation. Developing HVAC and plant utility systems philosophies.  Developing mechanical / utility equipment and construction specifications.  Performing temperature / humidity control / utility load calculations.  Developing airflow diagrams, pressurization plans, and classification, as well as ductwork and piping plans. Developing equipment plans, p...

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