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Salary
$97k – $180k per year
Location
In office (Herndon)
Seniority
Staff · 8+ years exp
Visa
H-1B filings in 12 months: 5 · for this role: 3

Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Sep 9, 2026. L3Harris Technologies scores A on the Alion truth index.

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L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

Job Title: RUST Software Developer - Multiple Levels (Minimum $10K Sign-On Bonus)

Job Code : 40866

Job Location: Herndon, VA (On-site)

Schedule: 9/80 Regular ( 9/80 Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off)

About L3Harris Technologies:

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.

L3Harris is seeking an experienced Software Engineer with a strong background in the Rust Programming Language and proven experience developing systems with Rust to guide the next generation of mission-critical systems. Responsibilities include guiding adoption of Rust throughout the embedded development, managing integration or conversion of legacy software to Rust, providing best practices and architectural guidance for memory-safe usage of Rust, developing best practices and implementation guidance, and the translation of requirements into working and maintainable solutions for our C5 and Cyber Solution Centers. The selected candidate will apply technical proficiency across various stages of our SDLC, gather requirements and work closely with stakeholders to prioritize and scope tasks. The selected candidate will be working as a key team member on a Scrum team and will be instrumental in setting our direction and strategy for product and infrastructure development.

Essential Functions

  • Support the engineering team members in embedded software application development specifically with Rust.
  • Lead the adoption and deployment of Rust and associated techniques, idioms, design patterns, and tooling throughout multiple product lines.
  • Apply computer science, engineering, and mathematical analysis concepts and principles in the development of software for the target hardware.
  • Work closely with cross functional members of the engineering organization to develop and evaluate interfaces between hardware and software, and operational performance requirements and design of the overall system.
  • Support and participate in all phases of the software development life cycle, including requirements analysis, design, implementation, hardware-software integration, and formal test.
  • Investigate root causes of complex issues, and implement solutions, working independently or with a multi-discipline team.
  • Develop software test plans and procedures, and other relevant technical documentation.
  • Utilize modeling tools and equipment to establish operating data, conduct experimental tests, prototype, and evaluate results.
  • Participate in peer reviews, identify, track and repair defects.
  • Utilize a variety of software languages (primarily Rust, C/C++, and Python developing code for embedded real time operating systems (VxWorks, Linux, Integrity)).
  • Ability to travel >30% to other L3Harris locations for onboarding, integration or scrum.

Qualifications:

  • Bachelor’s Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.
  • Active Department of Defense (DoD) Secret clearance.
  • 1+ years of experience developing Rust software for production systems with a deep understanding of the language.
  • Experience with CC++ development and object-oriented design.
  • Experience with development of embedded systems.

Preferred Additional Skills:

  • Experience converting CC++ code to Rust.
  • Experience developing Rust software for embedded systems.
  • Object-oriented design and implementation experience, with exposure to software modeling and UML tools such as IBM Rhapsody or MagicDraw/Cameo.
  • Experience developing device drivers and Board Support Packages for real-time embedded systems.
  • Excellent oral and written communication skills.
  • Experience with Information Assurance and/or cryptography.
  • Experience with NSA Type 1 certification or other SW certification such as DO-178.

Qualified candidates will receive a minimum sign-on bonus of $10,000. Qualified candidates with additional credentials may be eligible for higher sign-on bonuses.

In compliance with pay transparency requirements, the salary range for this role is $97,000 MIN - $180,000 MAX. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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