Senior Mechanical Engineer, Precision Mechanisms (On‑Site)

L3Harris Technologies, Inc.; Merrifield (VA); On-site; USD 102,000 - 190,000; Full time

Job summary

L3Harris Technologies in the United States seeks a Senior Specialist, Mechanical Engineer (Mechanisms) to design and qualify precision mechanisms for mission systems. This on-site role supports Palm Bay, Chantilly, and Carlsbad with the 9/80 schedule and close collaboration across engineering, manufacturing and test teams.

A bachelor’s degree with 6+ years (or a graduate degree with 4+ years) and an active Top Secret/SCI clearance are required.

Qualifications

• Bachelor’s degree and minimum 6 years of relevant experience; or graduate degree with 4+ years.
• Active Top Secret or Top Secret/SCI clearance required (active within last two years).

Responsibilities

• Lead mechanical design, analysis, prototype integration, and qualification testing for precision mechanisms.
• Develop 3D models, drawings, technical data packages, and assembly documentation.
• Evaluate material selections and design trades; improve designs for performance, size, weight, power, manufacturability, and reliability.
• Plan and execute component and system tests; analyze results and drive design improvements.
• Present designs and results at internal and customer reviews, including peer reviews, PDRs, and CDRs.
• Partner with manufacturing, quality, configuration management, suppliers, technicians, and the program test team to transition designs into production.
• Support field-test or demonstration activities as needed.
• Ability to work on-site in a mix of office and laboratory environments.

Skills

Mechanical design

3D CAD

GD&T

Creo

Additive manufacturing

Actuators

Custom gear trains

Electro-optical systems

Materials testing

Manufacturing processes

Education

Bachelor’s Degree

Graduate Degree

10 years of related experience in lieu of degree

Tools

Creo

Job description

L3Harris Technologies in the United States seeks a Senior Specialist, Mechanical Engineer (Mechanisms) to design and qualify precision mechanisms for mission systems. This on-site role supports Palm Bay, Chantilly, and Carlsbad with the 9/80 schedule and close collaboration across engineering, manufacturing and test teams.

A bachelor’s degree with 6+ years (or a graduate degree with 4+ years) and an active Top Secret/SCI clearance are required.