Facilities Mechanical Engineer Location: Springfield Virginia.
Clearance Required: TS/SCI with the ability to pass a polygraph.
Leidos is seeking an experienced Facilities Mechanical Engineer to lead the design maintenance and configuration management of building mechanical systems across mission-critical sites. This role demands deep technical expertise creative problem-solving and leadership in projects involving air handlers chillers boilers pumping systems and other complex mechanical infrastructure. The ideal candidate will have a strong background in managing and troubleshooting mechanical and control systems in dynamic environments.
Primary Responsibilities
- Lead mechanical design and development efforts from concept through production.
- Create and review AutoCAD design documents submittals and site-specific specifications.
- Collaborate with cross-functional teamsincluding electrical systems software and manufacturingto ensure mechanical designs meet all functional and environmental requirements.
- Conduct engineering analyses to validate mechanical designs under operational conditions.
- Develop and maintain comprehensive site documentation.
- Troubleshoot design and maintenance issues; recommend and implement corrective actions.
- Ensure compliance with applicable building codes energy standards and industry regulations.
Basic Qualifications
- Current TS/SCI security clearance and the ability to pass a polygraph.
- Bachelors degree in Mechanical Engineering with 812 years of relevant experience or Masters degree with 610 years. Additional experience may be considered in lieu of degree.
- Minimum of 8 years of experience in mechanical systems design including HVAC and plumbing for commercial industrial or government facilities.
- Strong working knowledge of building codes energy standards and regulatory frameworks.
- Proven ability to perform heating and cooling load calculations ductwork sizing/layout piping system design and equipment selection.
- Demonstrated expertise in CAD tools such as AutoCAD.
- Experience developing mechanical systems for commercial HVAC applications.
- Ability to effectively communicate with stakeholders contractors and regulatory authorities.
- Familiarity with Facility Management Control Systems (FMCS).
- Active Professional Engineer (PE) license or ability to obtain licensure within one year of hire.
Preferred Qualifications
- Experience troubleshooting and repairing control system
- A current polygraph
At Leidos we dont want someone who fits the moldwe want someone who melts it down and builds something better. This is a role for the restless the over-caffeinated the ones who ask whats next before the dust settles on whats now.
If youre already scheming step 20 while everyone else is still debating step 2 good. Youll fit right in.
Original Posting:
October 22 2025
For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $104650.00 - $189175.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Facilities Mechanical Engineer Location: Springfield Virginia.Clearance Required: TS/SCI with the ability to pass a polygraph.Leidos is seeking an experienced Facilities Mechanical Engineer to lead the design maintenance and configuration management of building mechanical systems across mission-crit...
Facilities Mechanical Engineer Location: Springfield Virginia.
Clearance Required: TS/SCI with the ability to pass a polygraph.
Leidos is seeking an experienced Facilities Mechanical Engineer to lead the design maintenance and configuration management of building mechanical systems across mission-critical sites. This role demands deep technical expertise creative problem-solving and leadership in projects involving air handlers chillers boilers pumping systems and other complex mechanical infrastructure. The ideal candidate will have a strong background in managing and troubleshooting mechanical and control systems in dynamic environments.
Primary Responsibilities
- Lead mechanical design and development efforts from concept through production.
- Create and review AutoCAD design documents submittals and site-specific specifications.
- Collaborate with cross-functional teamsincluding electrical systems software and manufacturingto ensure mechanical designs meet all functional and environmental requirements.
- Conduct engineering analyses to validate mechanical designs under operational conditions.
- Develop and maintain comprehensive site documentation.
- Troubleshoot design and maintenance issues; recommend and implement corrective actions.
- Ensure compliance with applicable building codes energy standards and industry regulations.
Basic Qualifications
- Current TS/SCI security clearance and the ability to pass a polygraph.
- Bachelors degree in Mechanical Engineering with 812 years of relevant experience or Masters degree with 610 years. Additional experience may be considered in lieu of degree.
- Minimum of 8 years of experience in mechanical systems design including HVAC and plumbing for commercial industrial or government facilities.
- Strong working knowledge of building codes energy standards and regulatory frameworks.
- Proven ability to perform heating and cooling load calculations ductwork sizing/layout piping system design and equipment selection.
- Demonstrated expertise in CAD tools such as AutoCAD.
- Experience developing mechanical systems for commercial HVAC applications.
- Ability to effectively communicate with stakeholders contractors and regulatory authorities.
- Familiarity with Facility Management Control Systems (FMCS).
- Active Professional Engineer (PE) license or ability to obtain licensure within one year of hire.
Preferred Qualifications
- Experience troubleshooting and repairing control system
- A current polygraph
At Leidos we dont want someone who fits the moldwe want someone who melts it down and builds something better. This is a role for the restless the over-caffeinated the ones who ask whats next before the dust settles on whats now.
If youre already scheming step 20 while everyone else is still debating step 2 good. Youll fit right in.
Original Posting:
October 22 2025
For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $104650.00 - $189175.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
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