Mechanical Design​/Checker

Leidos' Defense Systems Mechanical Design & Analysis Department

is seeking an experienced Mechanical Designer/Checker to support our growing hypersonic and defense portfolios.

In this role, you will be responsible for ensuring all technical drawings are complete and compliant with ASME Y14.100 standards and program-specific requirements. You will leverage your advanced knowledge of Geometric Dimensioning and Tolerancing (GD&T) principles per ASME Y14.5 to review and validate complex dimensional schemes used in technical drawings.

Additionally, you will verify that 3D models adhere to program standards and ensure accuracy and consistency between models and their corresponding drawings.

• Ensure drawings meet Y14.100 and program standards
• Check 3D models for accuracy against drawings and for conformance with program standards
• Attend Table Top Review (TTR) meetings
• Provide constructive feedback to junior designers
• Coach junior designers on Y14.5 best practices

• Bachelor of Science in Mechanical Engineering or Aerospace Engineering from an ABET-accredited university with 8 to 12 years of prior relative experience or:
• An Associate’s degree in Design/Drafting with 10-14 years of relevant experience, or 12+ years of relevant experience in lieu of a degree.
• Advance knowledge of Geometric Dimensioning and Tolerancing (GD&T) principles per ASME Y14.5
• Strong knowledge of all Y14 basic engineering drawing standards as defined in ASME Y14.100
• Working knowledge of at least one 3D CAD package.
• Strong written and verbal communication skills

• Windchill PLM experience
• Advanced Knowledge of Solid Works
• Advanced Knowledge of Creo
• Team leading skills
• Experience working with limited dimension drawings
• Experience working with 3D printed parts

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 that disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

August 25, 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 $ - $

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.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at

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