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L3Harris Technologies

Global defense contractor delivering aerospace tech

Senior Software Engineer - Encryption, Clifton

Embedded EngineeringUpdated on Nov 14
Full-timeClifton, NJ, USA

About the Job

Requirements

  • A bachelor's degree and a minimum of four years of prior relevant experience, or a graduate degree and a minimum of two years of prior related experience; alternatively, eight years of prior related experience in lieu of a degree.
  • At least three years of software design and development experience using C/C++ programming languages.
  • An active U.S. Department of Defense Secret security clearance.

Responsibilities

  • Investigate root causes of complex issues and implement solutions independently or with a multidisciplinary team.
  • Apply computer science, engineering, and mathematical analysis concepts and principles to develop software for target hardware.
  • Work with cross-functional engineering members to develop and evaluate hardware-software interfaces, operational performance requirements, and overall system design.
  • Support and participate in all phases of the software development life cycle, including requirements analysis, design, implementation, hardware-software integration, and formal testing.
  • Develop software test plans, procedures, and other relevant technical documentation.
  • Use modeling tools and equipment to establish operating data, conduct experimental tests, prototype, and evaluate results.
  • Participate in peer reviews and identify, track, and repair defects.
  • Implement software primarily in C/C++, Rust, and Python for embedded real-time operating systems.
  • Travel about 20%.

Desired Qualifications

  • Experience with object-oriented design and implementation, including exposure to software modeling and UML tools such as IBM Rhapsody or MagicDraw/Cameo.
  • Familiarity with scripting languages such as Python.
  • Familiarity or expertise in Rust.
  • Experience developing embedded software systems.
  • Experience with Information Assurance and/or cryptography.
  • Experience with NSA Type 1 certification or other software certification such as DO-178.

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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