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Entry-Level Mechanical Engineer

Leidos

Company : Leidos

Location : Manassas, VA, 22110

Posted Date : 5 November 2025

Job Type : Other

Category : Mechanical Engineering

Occupation : Mechanical Engineer

Job Details

Description

The Multi-Domain Solutions (MDS) division at Leidos is excited to welcome an Entry-Level Mechanical Engineer to our dynamic team! In this role, you will play a crucial part in shaping the future of mechanical systems, primarily focusing on Heating, Ventilation, and Air Conditioning (HVAC) for mission-critical operations across government, commercial, and institutional facilities. Working closely with experienced engineers, you will have the opportunity to assist with system layout, equipment selection, energy modeling, and construction documentation.

We are looking for a candidate who is passionate about mechanical engineering and eager to learn. This is your chance to develop your skills in delivering energy-efficient, reliable, and code-compliant designs while contributing to important projects.

Primary Responsibilities:

  • Contribute to the design and layout of HVAC systems, including ductwork, piping, and equipment selection for 24/7 mission-critical environments.

  • Assist in the preparation and revision of construction drawings and specifications using tools such as AutoCAD, Revit MEP, or similar design software.

  • Support mechanical system load calculations, energy modeling, and system sizing using industry-standard tools such as Trace 700, HAP, or eQUEST.

  • Participate in field surveys, site investigations, and facility condition assessments to gather essential data.

  • Help with commissioning, testing, and balancing of mechanical systems to ensure optimal performance and compliance with regulations.

  • Review submittals and respond to Requests for Information (RFIs), supporting construction administration activities.

  • Ensure that designs and documentation meet relevant building codes and standards, including ASHRAE, NFPA, IBC, IMC, and LEED.

  • Maintain organized engineering documentation, including reports, technical memos, 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 interdisciplinary teams, including electrical, architectural, and structural disciplines, to achieve project goals.

Basic Qualifications:

  • TS/SCI w/ Poly Clearance is required.

  • Bachelor's degree in Mechanical Engineering or a related field.

  • 2-4 years of relevant engineering experience with a Bachelor's degree or less than 2 years with a Master's degree.

  • Working knowledge of static and dynamic analysis techniques for mechanical systems and equipment.

  • Proficiency with CAD software (e.g., SolidWorks, AutoCAD) for mechanical design and drafting.

  • Understanding of design specifications, dimensioning, and documentation standards.

  • Experience supporting prototype fabrication, design testing, and feasibility studies.

  • Ability to collaborate effectively with multidisciplinary teams and communicate technical concepts clearly.

  • Familiarity with mechanical engineering fundamentals such as thermal analysis, hardware design, and product development.

  • Strong organizational and documentation skills with a keen attention to detail.

Preferred Qualifications:

  • Master's degree in Mechanical Engineering or a related discipline.

  • Experience with SolidWorks Simulation, ANSYS, or other FEA/thermal analysis tools.

  • Hands-on experience in prototyping and iterative product development.

  • Demonstrated ability to contribute to moderately complex engineering projects independently.

  • Familiarity with project management tools and principles, especially in product development settings.

  • Knowledge of manufacturing processes and design for manufacturability (DFM) best practices.

  • Exposure to hardware design in regulated environments (e.g., aerospace, defense, medical).

  • Ability to apply engineering standards and industry best practices in documentation and design.

Come join us and be part of a team that breaks boundaries and builds innovative solutions!

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.

Pay Range:

Pay Range $67,600.00 - $122,200.00

The Leidos pay range for this job level is a general guideline only and 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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