Senior Mechanical Design Engineer — Defense Hardware

Associates Systems; Tucson (AZ); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health insurance

Dental and Vision

PTO

Holidays

401K

Job summary

Associates Systems in Tucson, AZ seeks a Mechanical Design Engineer to support hardware design for defense systems. The role combines mechanical hardware design, system integration, production support, and program execution ownership.

You will lead CAD-driven design from concept to production, collaborate with cross-functional teams, maintain documentation and configuration control, and help transition hardware into manufacturing while ensuring quality and schedule.

Qualifications

• Active Secret security clearance.
• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or related STEM discipline.
• 5–10 years of mechanical engineering, hardware design, or related product development experience.
• Hands-on experience with 3D CAD design tools.
• Experience with product data management tools or configuration-controlled design environments.
• Strong mechanical design, integration, troubleshooting, and problem-solving skills.
• Ability to work effectively in a collaborative, cross-functional engineering environment.

Responsibilities

• Lead mechanical hardware design efforts from early concept definition through detailed design and production support.
• Develop and support mechanical designs using 3D CAD tools and product data management systems.
• Support hardware development, design reviews, prototype builds, fabrication, integration, and production readiness.
• Work with cross-functional teams to resolve mechanical design, integration, and production issues.
• Support transition of mechanical hardware from engineering development into manufacturing and production environments.
• Coordinate with systems, electrical, manufacturing, quality, and program teams to support technical execution.
• Maintain design documentation, configuration control, and product data throughout the hardware lifecycle.
• Provide technical direction and support for mechanical hardware, assemblies, and equipment packaging.

Skills

3D CAD design

Mechanical design

Systems integration

Troubleshooting

Cross-functional teamwork

Product data management

Education

Bachelor's degree in Mechanical or Aerospace Eng

Tools

3D CAD tools

Product data management tools

Job description

Associates Systems in Tucson, AZ seeks a Mechanical Design Engineer to support hardware design for defense systems. The role combines mechanical hardware design, system integration, production support, and program execution ownership.

You will lead CAD-driven design from concept to production, collaborate with cross-functional teams, maintain documentation and configuration control, and help transition hardware into manufacturing while ensuring quality and schedule.