Senior Mechanical Design Engineer — Full-Lifecycle, Onsite DC

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

Benefits offered by this job

ESOP participation

401k plan

Flexible work schedules

Tuition reimbursement

Health plan

Job summary

TSC is seeking a highly motivated Mechanical Design Engineer to support our customer in Washington, DC. This role involves full‑lifecycle engineering from concept development and design to prototyping, testing, integration, and sustainment of advanced mechanical systems for communications equipment and antenna platforms.

You will create robust 3D CAD models and manufacturing drawings, perform tolerance analyses, select materials, and guide fabrication, assembly, testing, and troubleshooting.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field or equivalent experience.
• 5-7 years of proven experience in mechanical design and product development.
• Full lifecycle engineering experience (concept through sustainment).
• Proficiency with SolidWorks 3D CAD/CAM software and related drafting/documentation.
• Hands-on fabrication, assembly, testing and troubleshooting of complex mechanical systems.
• Knowledge of materials, machining, tolerances, and manufacturing methods (e.g. 3D printing, CNC).
• Active DoD Secret clearance with ability to obtain and maintain DoD TS/SCI clearance.
• Ability to lift and/or move 50 pounds.

Responsibilities

• Design and develop mechanical and electromechanical systems, assemblies and components.
• Create and maintain 3D CAD models, drawings and manufacturing documentation.
• Develop test plans and evaluate prototypes to validate designs.
• Perform root cause analysis and implement corrective actions.
• Integrate new systems into existing platforms and support maintenance.
• Collaborate with multi‑disciplinary teams and communicate project status.

Skills

Mechanical design

3D CAD modeling

Prototyping

Testing

DFM

Root cause analysis

Communication

Security clearance

Education

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks

Job description

TSC is seeking a highly motivated Mechanical Design Engineer to support our customer in Washington, DC. This role involves full‑lifecycle engineering from concept development and design to prototyping, testing, integration, and sustainment of advanced mechanical systems for communications equipment and antenna platforms.

You will create robust 3D CAD models and manufacturing drawings, perform tolerance analyses, select materials, and guide fabrication, assembly, testing, and troubleshooting.