Leidos is seeking a Mechanical Engineer to support a government contract in the National Capital Region (NCR). The ideal candidate will have experience assembling multi-part systems with knowledge of mechanical design for manufacturing, machining, and adhesives/paint application. Candidate must display strong organization and communication skills to accomplish expected tasks. Primary Responsibilities: - Assist with the design and development of engineering solutions in support of unique and complex customer requirements. - Work as part of a team to assemble and produce multi-part systems at quantity to support project tasks and objectives - Manage inventory of components required for production tasks - Create, document, and communicate assembly processes and procedures. - Travel up to 10% of the time may be required. Required Qualifications: - Must have an active TS/SCI w/polygraph to be considered. - Must have a Bachelor's of Science in Mechanical, Aerospace, Material Science, or Industrial Engineering or equivalent and at least 12 years of relevant experience OR a Master's and at least 10 years of experience. Additional work experience can be used in lieu of degree/combined with education. - Demonstrated experience producing full system assemblies or subassemblies - Demonstrated CAD experience, SolidWorks preferred - Demonstrated CAM experience and ability to operate CNC machines - Demonstrated ability working with 3D printing applications - Demonstrated ability applying adhesives and painting components - Demonstrated ability to work well in a team environment and as an individual contributor - Demonstrated strong customer service and interpersonal skills - Demonstrated ability to manage and prioritize multiple tasks, and adapt quickly to changing requirements - Demonstrated ability with Microsoft Office applications Desired Qualifications: - Demonstrated proficiency with FeatureCAM and Mastercam - Demonstrated knowledge of metal finishing processes to include anodizing, painting, and powder coating - Demonstrated knowledge of injection molding techniques - Demonstrated knowledge of Adobe Photoshop Original Posting: June 10, 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 $131,300.00 - $237,350.00 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.