Mechanical Design / Checker

Leidos; Huntsville (AL); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos' Defense Systems Mechanical Design & Analysis Department seeks a Mechanical Designer/Checker to support hypersonic and defense portfolios. You will ensure drawings meet Y14.100, validate GD&T schemes per ASME Y14.5, and verify 3D models align with program standards and drawings.

You will review dimensional schemes, attend TTR meetings, provide feedback to junior designers, and coach colleagues on Y14.5 best practices. This role emphasizes accuracy and collaboration.

Qualifications

• Bachelor of Science in Mechanical or Aerospace Engineering from ABET-accredited university with 8–12 years of experience or Master’s with 6–10 years.
• Associate’s degree in Design/Drafting with 12–15 years of experience, or 14+ years in lieu of a degree.
• Advanced knowledge of Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5
• Strong knowledge of ASME Y14.100 basic engineering drawing standards
• Working knowledge of at least one 3D CAD package
• Strong written and verbal communication skills

Responsibilities

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

Skills

GD&T knowledge

Y14 standards knowledge

Communication skills

Education

B.S. in Mechanical/Aerospace Engineering (ABET)

M.S. in Mechanical/Aerospace Engineering

Assoc. degree in Design/Drafting

Tools

SolidWorks

Creo

Windchill PLM

Job description

Description

Job Description

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.

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 8 to 12 years of prior relative experience or Master's degree and 6 to 10 years.
• An Associate’s degree in Design/Drafting with 12-15 years of relevant experience, or 14+ 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.

Original Posting:

September 29, 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 $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos

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, www.Leidos.com.

Pay and Benefits

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 www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.