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Salary
≈ $96k – $175k per year (Estimated)
Location
In office (Plano)
Seniority
Senior · 10+ years exp
Visa
H-1B filings in 12 months: 5

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Sep 22, 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: Senior Specialist, Software Engineering (Embedded)

Job Code: 44935

Job Location: Plano, TX

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

Job Description:

As a Senior Specialist, Software Engineer (Embedded), you will be responsible for supporting and leading the development and execution of software on the embedded targeted hardware. You will be responsible for designing the software per requirements documents and system level design documents. There will be a focus to interface with the test engineers to influence test automation.

The Agile Development Group (ADG) division specializes in developing disruptive, next-generation technologies for advanced Unmanned Air Systems (UAS / UAV), advanced radar systems, next-generation weapon systems, and other RF sensor technologies using small company agility and big company experience.

Essential Functions:

  • Apply computer science, engineering, and mathematical analysis concepts and principles in the development of software for the targeted embedded hardware
  • Advanced skills in modern C++, implementing software for embedded Real Time Operating Systems (RTOS)
  • Work closely with cross functional members of the engineering organization to develop and evaluate interfaces between hardware, firmware and software, and operational performance requirements and design of the overall system
  • Investigate root cause of complex issues, and implement solutions, working independently or with a multi-discipline team
  • Support and participate in all phases of the software development life cycle, including requirements analysis, design, implementation, hardware-software integration, and formal test
  • 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
  • Must have the ability to obtain and maintain a Department of War Security Clearance

Qualifications:

·Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.

·Minimum of 6 years experience in computer/software engineering field

·Minimum of 6 years C++ development in a professional environment

Preferred Additional Skills:

·Familiarity with Greenhills RTOS

·Experience developing device drivers and Board Support Packages for real time embedded systems

·Experience with Modern C++ techniques

·Experience with Agile Scrum/Kanban development processes and procedures

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