Senior Mechanical Engineer, Precision Mechanisms

L3Harris; Herndon (VA); On-site; USD 102,000 - 190,000; Full time

Benefits offered by this job

Sign-on bonus

Health & disability insurance

401(k) match

Job summary

L3Harris is seeking a Sr. Specialist, Mechanical Engineer (Mechanisms) for on-site work in Chantilly, VA. You will lead precision mechanism designs, develop 3D models, and drive tests from concept through integration, collaborating with manufacturing and program teams.

A TS/SCI clearance is required or within two years. Sign-on bonuses may apply for qualified candidates. This role emphasizes integration of electro-mechanical hardware, design verification, and active participation in customer

Qualifications

• Bachelor’s degree with 6+ years of relevant experience, or graduate degree with 4+ years.
• Active Top Secret/SCI clearance within the last two years is required.
• Hands-on design of precision mechanical hardware and mechanisms.

Responsibilities

• Lead mechanical design, analysis, prototype integration and testing.
• Develop 3D models, drawings, and assembly documentation.
• Evaluate materials and trade studies for performance, size, weight, and reliability.
• Plan and execute component and system-level tests and drive design improvements.
• Present designs at internal and customer reviews (PDRs/CDRs).
• Collaborate with manufacturing, QA, CM, suppliers, and program test teams.
• Support field tests and on-site activities as needed.

Skills

Mechanical design

Creo CAD

Tolerance analysis & GD&T

3D modeling & drawings

Education

Bachelor’s Degree + 6+ years exp

Graduate degree + 4+ years exp

Experience equivalent to 10 years without degree

Tools

Creo

ASME Y14.5 GD&T

Job description

L3Harris is seeking a Sr. Specialist, Mechanical Engineer (Mechanisms) for on-site work in Chantilly, VA. You will lead precision mechanism designs, develop 3D models, and drive tests from concept through integration, collaborating with manufacturing and program teams.

A TS/SCI clearance is required or within two years. Sign-on bonuses may apply for qualified candidates. This role emphasizes integration of electro-mechanical hardware, design verification, and active participation in customer