Mechanical Design / Checker

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

Job summary

Leidos is seeking an experienced Mechanical Designer/Checker to support our hypersonic and defense portfolios. You will ensure technical drawings comply with ASME Y14.100 standards, review GD&T schemes, and verify 3D models align with drawings and program standards.

Responsibilities include coaching junior designers, attending TTR meetings, and upholding Y14.5 best practices. The role requires strong communication and a proven CAD package background in a fast-paced defense environment.

Qualifications

• BS in Mechanical or Aerospace Engineering from ABET-accredited university with 8–12 years of experience, or similar.
• An Associate’s degree in Design/Drafting with 10–14 years of relevant experience, or 12+ years in lieu of a degree.
• Advanced knowledge of GD&T per ASME Y14.5.
• Strong knowledge of ASME Y14.100 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 (ASME Y14.5)

Y14.100 drawing standards

Written and verbal communication

3D CAD package knowledge

Table Top Review participation

Team coaching/leadership

Education

ABET-accredited BS in Mechanical/Aerospace Engineering

Associate degree in Design/Drafting

Experience equivalent to degree

Tools

SolidWorks

Creo

Windchill PLM

3D CAD software

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. Are you ready to make an impact?

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:
• 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

Preferred Qualifications

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

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: 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: Pay Range $107,900.00 - $195,050.00 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 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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

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 here.

Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity 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.