Mechanical Engineer
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Job Location:
Chantilly, VA - USA
Monthly Salary:
$ 67600 - 122200
Posted on:
22 days ago
Vacancies:
1 Vacancy
Job Summary
Mechanical Engineer Mission-Critical Facilities Design
Leidos is seeking a driven and detail-oriented Junior level Mechanical Engineer to support the planning design and analysis of mechanical systemsprimarily Heating Ventilation and Air Conditioning (HVAC)for secure mission-critical operations across government commercial and institutional facilities. This is a growth-focused role where youll work alongside senior engineers to develop high-performance energy-efficient and code-compliant systems that support 24/7 operations.
If youre passionate about mechanical engineering eager to learn through mentorship and ready to contribute to projects that matter we want to hear from you.
What Youll Do
- Assist in the design and layout of HVAC systems including ductwork piping ventilation and equipment selection for high-availability environments.
- Prepare and maintain construction drawings and specifications using AutoCAD Revit MEP or similar tools.
- Support system load calculations energy modeling and equipment sizing using tools like Trace 700 HAP or eQUEST.
- Participate in field surveys site investigations and facility condition assessments.
- Assist with commissioning testing and balancing to ensure optimal system performance.
- Review submittals respond to RFIs and support construction administration activities.
- Ensure all designs meet applicable codes and standards (ASHRAE NFPA IBC IMC LEED).
- Maintain organized documentation including technical memos reports and as-built drawings.
- Gain hands-on experience with Building Management Systems (BMS) for centralized control of HVAC lighting and life safety systems.
- Collaborate with electrical architectural and structural teams to deliver integrated solutions.
Basic Qualifications
- Current Top Secret SCI security clearance and the ability to pass a polygraph.
- Bachelors degree in Mechanical Engineering or related field
- 24 years of relevant experience with a Bachelors or <2 years with a Masters
- Working knowledge of static and dynamic analysis techniques
- Proficiency in CAD software (e.g. SolidWorks AutoCAD)
- Understanding of design specifications dimensioning and documentation standards
- Experience supporting prototype fabrication testing and feasibility studies
- Strong communication skills and ability to work across multidisciplinary teams
- Solid foundation in thermal analysis hardware design and product development
- Excellent organizational skills and attention to detail
Preferred Qualifications
- Current Polygraph.
- Masters degree in Mechanical Engineering or related discipline
- Experience with SolidWorks Simulation ANSYS or other FEA/thermal tools
- Hands-on experience in prototyping and iterative product development
- Ability to contribute independently to moderately complex engineering projects
- Familiarity with project management tools and principles
- Knowledge of manufacturing processes and DFM best practices
- Exposure to hardware design in regulated environments (e.g. aerospace defense medical)
- Ability to apply engineering standards and best practices in documentation and design
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 26 2025For 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 $67600.00 - $122200.00The 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.
Key Skills
- Mechanical Design
- System Design
- FEA
- ASME Codes & Standards
- CAD
- Mechanical Knowledge
- Creo
- SolidWorks
- Mechanical Engineering
- Autocad
- HVAC Design
- Autodesk Inventor
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
