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.
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Primary Responsibilities
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
Basic Qualifications
Bachelor of Science in Mechanical Engineering or Aerospace Engineering from an ABET-accredited university with 12 to 15 years of prior relative experience or:
An Associate’s degree in Design/Drafting with 14-17 years of relevant experience, or 16+ 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
Preferred Qualifications
Windchill PLM experience
Advanced Knowledge of SolidWorks
Advanced Knowledge of Creo
Team leading skills
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.
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 $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.

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.