Senior Mechanical Engineer - Security Clearance Required

Jacobs • Arlington, VA, United States • Posted June 03, 2026

Location Arlington, VA
Job Type Full-time
Category other-general
Posted June 03, 2026
Jacobs has an opportunity for a Senior Mechanical Engineer supporting our long-term project in Washington, DC.

Position Description

The Senior Mechanical Engineer will have essential multi-discipline team representation and be self-motivated, well organized, and customer focused. This position will be working with our Federal group as an owner’s representative. The Senior Mechanical engineer will act as a consultant in the establishment of MEP design standards and criteria for construction projects. Provide expert mechanical engineering support based on these requirements:

* Perform and interpret cooling load calculations.

* Read ductwork layouts.

* Understand ducted and plenum return air systems, including Z-ducts and U-ducts in the design.

* Understand different mechanical systems. Review the advantages and disadvantages of each system. 

* Review the mechanical system layout in the specialized room such as the data closet and the commu...

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