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Location
In office (Salt Lake City)
Seniority
Senior · 10+ years exp
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H-1B filings in 12 months: 5 · for this role: 3

Confirmed on the employer's own hiring board on Nov 13, 2026. First seen by Alion on Nov 13, 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

Job ID: Req ID 47677

Job Location: Salt Lake City, UT

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

Job Description:

L3Harris is currently seeking a software engineer with experience or interest in embedded cybersecurity software development. The qualified candidate will have exciting, challenging, and rewarding opportunities to support existing systems and develop next-generation military communications.

Essential Functions:

Contribute to the lifecycle of embedded real-time systems by designing, coding, testing, debugging, and updating developmental and fielded systems

Maintain and review requirements, design documentation, and source code

Collaborate with a cross-functional engineering team

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.
  • 10+ years of software engineering experience.
  • Experience using C++ and understanding modern object-oriented design and architecture
  • Experience developing for embedded real-time operating systems such as VxWorks, MQX, FreeRTOS, SafeRTOS, etc
  • Device driver development experience

Preferred Additional Skills:

  • Active DoD SECRET security clearance
  • A bachelor's degree in Computer Science, Computer Engineering, or closely related field
  • Security certification, e.g. CISSP, CEH
  • Experience with:
    • Key Management experience
    • Internet Security Protocols
    • Encryption Protocols
    • Security ICs - TPM, trust and store, root of trust
    • HAIPE devices
    • TEMPEST design technologies
    • QUADRANT design techniques
  • Experience developing security architectures or secure network design
  • Experience developing to secure coding guidelines or standards
  • Open source Linux development
  • Experience with source control repositories such as Git or Clearcase
  • Experience with test frameworks such as Google Test/Google Mock
  • Agile development methodology and Atlassian tools (JIRA, Bitbucket, Confluence)
  • Machine learning, data analysis, and advanced algorithm design and development
  • DevOps technologies such as virtualization, Docker, scripting, and automation
  • Low-level drivers and hardware interfaces such as ISO7816, USB, I2C, SPI, etc.
  • Working knowledge of TCP/IP/UDP, RS-485, RS-232
  • Scripting Languages such as Python, Bash, Perl
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