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L3Harris Technologies

Global defense contractor delivering aerospace tech

Senior Specialist - Mechanical Engineer

Design EngineeringUpdated on Nov 14
Full-timeSterling, VA, USA$102k - $189k

About the Job

Requirements

  • A bachelor's degree and at least 6 years of relevant experience, or a graduate degree and at least 4 years of related experience; alternatively, at least 10 years of related experience in lieu of a degree.
  • An active Top Secret/SCI clearance and current favorable polygraph are required before starting; a clearance active within the last two years will be considered.
  • Hands-on experience designing, developing, integrating, and testing complex mechanical hardware is preferred.
  • Experience with 3D mechanical computer-aided design (CAD), engineering drawings, and tolerance analysis/Geometric Dimensioning and Tolerancing (GD&T) is preferred.
  • Experience designing or developing precision mechanisms, mechatronic systems, and/or packaging modules and electronics with thermal and structural loading considerations and size, weight, and power optimization is preferred.
  • Proficiency with CAD tools such as Creo and understanding of ASME Y14.5 Geometric Dimensioning and Tolerancing standards are preferred.
  • Experience in additive manufacturing, part optimization, and design for manufacture and assembly is a plus.
  • Experience with actuators, custom gear trains, electro-optical systems, materials testing, or manufacturing processes is preferred.

Responsibilities

  • Lead mechanical design, analysis, prototype integration, and qualification testing for precision mechanisms and electro-mechanical hardware.
  • 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-level tests, analyze results, and drive design improvements.
  • Present designs and results at internal and customer reviews, including peer reviews, Preliminary Design Reviews (PDRs), and Critical Design Reviews (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.
  • Manage complex projects or processes with general oversight; communicate across functions to gain cooperation on operational processes, practices, and procedures; improve systems and processes; and contribute to departmental goals and operating plans with direct impact on departmental results.

Desired Qualifications

  • Ability to work on-site in a combination of office and laboratory environments.

About the Company

L3Harris Technologies

Global defense contractor delivering aerospace tech

L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.

Company size
10,001+
Company stage
IPO
Headquarters
Melbourne, FL
Founded
1895

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