Mechanical Design Specialist

Harris Geospatial Solutions; Cincinnati (OH); On-site; USD 90,000 - 130,000; Full time

Job summary

L3Harris Missile Solutions in Cincinnati, OH is seeking a Mechanical Design Specialist with 6–10 years in mechanical engineering to design missile components and assemblies. You will translate complex concepts into manufacturable docs, supporting design reviews and production

Join a team focused on national defense technologies, quality standards, and growth opportunities in a regulated industry. Security clearance is required.

Qualifications

• Bachelor’s degree in Mechanical Engineering Technology or related field with 4+ years of relevant experience.
• Graduate degree with 2+ additional years (or 8+ years experience in lieu of a degree).
• Experience in defense, aerospace, medical devices, or other highly regulated industries.
• Proven ability to create complex mechanical drawings and manage engineering change processes.

Responsibilities

• Create detailed, accurate mechanical drawings for missiles using Solid Edge, adhering to ASME Y14.100 and GD&T.
• Develop part and assembly drawings with correct tolerances and manufacturing instructions.
• Manage BOMs in PDM/PLM ensuring configuration control across product lifecycle.
• Incorporate EOs/ECOs into design documentation and coordinate with cross‑functional teams.
• Review drawings for accuracy and compliance with military specs and standards.
• Collaborate with manufacturing, QA, and supply chain to resolve drawing questions.
• Support prototype testing with proper documentation and cross‑discipline collaboration.
• Travel less than 5% for supplier visits or manufacturing support; obtain security clearance.

Skills

Solid Edge CAD

GD&T expertise

PDM/PLM systems

Mechanical design

Cross-functional teamwork

Education

Bachelor’s Degree in Mechanical Engineering Technology or related field

Graduate Degree in related field

8+ years defense/aerospace experience in lieu of degree

Tools

Teamcenter

Agile

PLM systems

CNC machining knowledge

Sheet metal fabrication

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Mechanical Design Specialist

Job Code: 42212

Job Location: Cincinnati, OH

Schedule: 4/10 - Employees work 10 hour days, 4 days a week

Job Description:

The Mechanical Design Specialist will serve as a key technical contributor within the Mechanical Engineering Department at L3Harris Missile Solutions, supporting the design and development of mission-critical missile components and assemblies for programs,and production support initiatives. This role requires a seasoned professional with 6-10 years of experience who will work collaboratively with mechanical engineers to translate complex design concepts into accurate, manufacturable engineering documentation that meets stringent military and industry standards. Join our team where you will make a direct impact on national defense programs while working with cutting-edge missile defense technologies in an environment that values technical excellence, innovation, and professional growth.

Essential Functions:

• Create detailed, accurate mechanical engineering drawings for missile components, assemblies, and sub-assemblies using Solid Edge Computer-Aided Design (CAD) software, ensuring compliance with American Society of Mechanical Engineers (ASME) Y14.100 and ASME Y14.5 Geometric Dimensioning and Tolerancing (GD&T) standards
• Develop piece part drawings, assembly drawings, and installation drawings with proper tolerances, dimensions, GD&T callouts, and manufacturing instructions that optimize design intent and manufacturing processes
• Manage design trees and Bills of Materials (BOMs) within the Product Data Management (PDM) system, ensuring accurate configuration control and data integrity throughout the product lifecycle
• Process and incorporate Engineering Orders (EOs) and Engineering Change Orders (ECOs) into existing design documentation, coordinating with cross-functional teams to assess impact on manufacturing, assembly, and testing
• Conduct thorough reviews of engineering drawings for accuracy, completeness, and compliance with military specifications and commercial standards, collaborating with mechanical engineers to resolve design issues and optimize designs for manufacturability
• Interface with manufacturing, quality assurance, and supply chain teams to address drawing-related questions, discrepancies, and provide technical guidance on drafting standards and manufacturing processes
• Participate in design reviews and continuous improvement initiatives, providing technical input on drafting standards, best practices, and process optimization
• Support prototype development and testing activities with accurate documentation and technical collaboration across engineering disciplines
• Travel required less than 5% for supplier visits, manufacturing support, or training as needed
• Must be able to obtain and maintain a United States Government Secret security clearance

Qualifications:

• Bachelor’s Degree in Mechanical Engineering Technology or related field and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.
• Experience in defense, aerospace, medical devices, automotive, or other highly regulated industries
• Demonstrated experience creating complex mechanical drawings for manufacturing and managing engineering change processes
• Proficiency with three-dimensional (3D) CAD software and Product Data Management (PDM) or Product Lifecycle Management (PLM) systems

Preferred Additional Skills:

• Expert proficiency in Solid Edge CAD software (version 2020 or higher) with 4+ years of hands‑on experience
• Advanced knowledge and application of ASME Y14.5 Geometric Dimensioning and Tolerancing (GD&T) principles with professional certification (ASME Geometric Dimensioning and Tolerancing Professional certification)
• 8+ years of experience in defense or aerospace industry, specifically with missile systems, aerospace structures, or defense hardware
• Active United States Government Secret security clearance or higher
• Solid understanding of manufacturing processes including Computer Numerical Control (CNC) machining, sheet metal fabrication, welding, casting, and assembly operations
• Experience with Teamcenter, Agile, or similar enterprise Product Lifecycle Management (PLM) systems for configuration management
• Knowledge of military specifications and standards including Military Standard (MIL-STD) and Military Specification (MIL‑SPEC) requirements
• Familiarity with Model‑Based Definition (MBD) and Model‑Based Enterprise (MBE) initiatives and practices
• Experience mentoring or training junior design staff and contributing to team development
• Six Sigma Green Belt, Lean Manufacturing certification, or continuous improvement training

#LI-EN2

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug‑free workplace and performs pre‑employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.