Senior Mechanical Design Engineer – Defense Systems

TSC; Washington (District of Columbia); On-site; USD 112,000 - 190,000; Full time

Job summary

TSC in Washington, DC area seeks a Mechanical Design Engineer to own full lifecycle development of advanced mechanical systems for communications hardware. You will design, prototype, test, and integrate robust assemblies, collaborating with multidisciplinary teams onsite.

The role requires 5–10+ years of hands-on experience, SolidWorks proficiency, DoD clearance eligibility, and the ability to lift 50 pounds.

Qualifications

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Manufacturing/Industrial Engineering, or a related technical field, or equivalent work experience.
• 5–10+ years of proven experience in mechanical design and product development.
• Proficiency with SolidWorks 3D CAD/CAM software.
• Experience creating technical drawings, specifications, documentation and design analyses.
• Hands‑on fabrication, assembly, testing and troubleshooting complex mechanical systems.
• Strong understanding of materials, machining processes, fasteners, tolerance stack‑ups and manufacturing methods (e.g., additive manufacturing/3D printing, CNC machining, injection molding).
• Experience working with hand tools, power tools, precision measurement equipment and shop equipment.
• Excellent interpersonal and communication skills, able to interact effectively with customers and peers.
• Demonstrated ability to work effectively in a high‑stress, high‑speed environment.
• Active DoD Secret clearance with the ability to obtain and maintain a DoD TS/SCI clearance.
• Ability to lift and/or move 50 pounds.

Responsibilities

• Mechanical System Design & Development: Design and develop robust mechanical systems and components; translate requirements into design specs.
• Prototyping, Testing & Troubleshooting: Develop test plans; build, evaluate and troubleshoot prototypes; perform root cause analyses.
• Integration & Sustainment: Integrate systems into platforms; support fabrication, installation and maintenance.
• Customer & Team Interaction: Collaborate with customers and multidisciplinary teams; communicate project status clearly.

Skills

Mechanical design experience

Full lifecycle engineering

Clear communication

Team collaboration

Problem solving

DoD clearance eligibility

SolidWorks proficiency

Fabrication and testing

Root cause analysis

Independent & proactive work

Education

Bachelor's in Mechanical/Aerospace/Manufacturing/Industrial Engineering

Tools

SolidWorks

Job description

TSC in Washington, DC area seeks a Mechanical Design Engineer to own full lifecycle development of advanced mechanical systems for communications hardware. You will design, prototype, test, and integrate robust assemblies, collaborating with multidisciplinary teams onsite.

The role requires 5–10+ years of hands-on experience, SolidWorks proficiency, DoD clearance eligibility, and the ability to lift 50 pounds.