Mechanical Engineer

About the role

Leidos' Defense Sector is seeking a motivated Mechanical Engineer to join our team in Beavercreek, Ohio. In this role, you'll contribute to the development of innovative technologies supporting critical defense missions, working alongside a multidisciplinary team of engineers.

Our work spans the full engineering lifecycle-from concept development and detailed design through fabrication, integration, and testing of advanced systems and capabilities. This is an opportunity to take ownership of meaningful engineering challenges, gain hands-on experience with cutting-edge technologies, and see your designs brought to life.

Primary Responsibilities

• Support the design and integration of sensors and payloads on various ground and air-based applications.
• Develop 3D CAD models and 2D drawings for mounting structures and testing components.
• Extract parts lists (BOMs) for drawings and payloads.
• Communicate with vendors to obtain engineering cost estimates on designed components.
• Assembly of components and payloads.
• Support flight testing operations.

Basic Qualifications

• Bachelor's degree in Engineering or related field with a minimum of four (4) years of relevant experience; additional years of experience may be considered in lieu of degree.
• Must be a U.S. citizen.
• Must hold a SECRET Security Clearance, with the ability to obtain and maintain a TS/SCI Clearance.
• Extensive experience in mechanical design processes and best practices.
• Proficient using parametric 3D CAD software. Possible programs may include SolidWorks, Inventor, Solid Edge, NX, Creo, etc.
• Experience with ASME Y14 drawing practices.
• Experience designing mechanical structures, mounting hardware, or structural components, with an understanding of load paths, material selection, mechanical interfaces, and structural design principles.
• Ability to access various areas of different aircraft types, which may involve kneeling, stooping, standing, and lifting weights up to 40 pounds in unairconditioned environments.
• Familiarity with common hand tools (screw drivers, torque wrenches, etc.)

Preferred Qualifications

• Experience designing structural components, including machined and/or sheet metal products.
• Familiarity with manufacturing processes of composites.
• Experience with Creo Parametric design software.
• Experience with ISO9001 or AS9100 quality management processes
• Experience using a PDM/Vault system.
• Excellent oral, written, and visual presentation communication skills.

NKE

• If you're looking for comfort, keep scrolling.
• At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it.
• We're not hiring followers.
• We're recruiting the ones who disrupt, provoke, and refuse to fail.
• Step 10 is ancient history.
• We're already at step 30 - and moving faster than anyone else dares.

Original Posting: November 12, 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 $87,100.00 - $157,450.00

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.