Bachelor's degree in Mechanical Engineering from an ABET-accredited institution
8+ years of relevant experience (or 6+ years with a Master's degree)
Registered Professional Engineer in good standing in the U.S.
Ability to obtain and maintain Public Trust Suitability
Experience in mechanical engineering design and analysis
Proficient in engineering analysis and design software tools
Strong communication skills
Responsibilities
Design HVAC, plumbing, fire protection, and mechanical utility systems for government facilities
Prepare construction drawings and technical specifications for public procurement
Coordinate with various engineering disciplines to integrate mechanical systems
Ensure compliance with codes and standards like ASHRAE and NFPA
Perform load calculations and energy modeling for efficient designs
Utilize design software like AutoCAD and Revit MEP for project development
Support construction administration through reviews and site visits
Benefits
Telework flexibility with 25% travel
Opportunity to work on government and institutional projects
Engagement in multi-discipline project environments
Professional development opportunities
Collaboration with a diverse team of engineers
Full Job Description
The Leidos National Airspace Systems Integration Support (NISC) Program is looking for a Mechaniccal Engineer to support the Federal Aviation Administration's (FAA) Office.
Must be a Registered Professional Engineer in good standing in the United States
Telework with 25% travel. Must be located in the Eastern time zone area.
Primary Responsibilities
Design and engineer HVAC, plumbing, fire protection, and mechanical utility systems for government and institutional facilities in accordance with public-sector standards and operational requirements
Prepare construction drawings, technical specifications, equipment schedules, and engineering calculations suitable for public procurement, competitive bidding, and long-term facility operation
Coordinate with architectural, civil, structural, electrical, and controls disciplines to integrate mechanical systems within complex, multi-discipline project environments
Ensure compliance with applicable codes and standards such as ASHRAE, NFPA, ICC, energy codes, and agency-specific design criteria
Perform load calculations, energy modeling, ventilation analysis, and system sizing to support efficient, resilient, and maintainable designs. Perform engineering calculations (loads, stresses, flow, heat transfer).
Use specialized mechanical and civil design software (e.g., AutoCAD, Revit MEP, Civil 3D for utility coordination, Carrier HAP/Trace, eQUEST, or similar tools) to develop models and analyses
Utilize cost estimating and quantity takeoff software (e.g., Bluebeam, RSMeans, Sage Estimating, or comparable platforms) to support budgeting, value engineering, and public funding approvals
Support construction administration through submittal reviews, RFIs, site visits, commissioning coordination, and verification of installation conformance with design intent
Fire protection (sprinklers, smoke control, etc)
Mechanical Engineer Basic Qualifications:
Bachelor of Science degree in Mechanical Engineering from a college or university accredited by the Accreditation Board for Engineering and Technology (ABET)
8+ years of applicable experience or (or 6+ years with a Masters degree)
Professional Engineer License in good US standing
Ability to obtain and maintain Public Trust Suitability
Experience with mechanical engineering design and analysis
Experience testing and evaluation of mechanical systems
Ability to work effectively in a team environment
Excellent communication skills
Proficiency in engineering analysis and design software tools
Ability to create and edit projects in AutoCad
Original Posting:October 16, 2026
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 $107,900.00 - $195,050.00
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.
About Leidos Holding
Leidos Holding Careers
Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.
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Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.
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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.
Commitment to Diversity and Inclusion
Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.
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Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.
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Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.
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