Demo

Senior Software Engineer

Pacific Defense
Nashua, NH Full Time
POSTED ON 8/5/2026
AVAILABLE BEFORE 9/3/2026

Description


*Due to the classified nature of our work, U.S. citizenship is required*

Location: Nashua, New Hampshire


About Us

Pacific Defense, a small fast-growing company that develops and provides advanced multi-function RF systems for the U.S. Department of Defense, is looking for a Senior Systems Engineer to work in our Communications Waveform Development engineering team. As a member of the Pacific Defense group of companies, our growth is accelerating. Pacific Defense designs and builds advanced, military standards-based, modular open systems architecture (MOSA) systems. These systems conform to the Army's C4ISR Modular Open Suite of Standards (CMOSS) and the Air Force's Sensor Open Systems Architecture (SOSA) Standard. These CMOSS /SOSA systems are used for multi-mission electronic warfare, tactical communications, signals intelligence, cyber-EW, high-performance computing, and often simultaneous operation of these capabilities.


Who are we looking for?

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast-paced, and dynamic company. Responsible for developing, maintaining, and advancing state-of-the-art Electronic Warfare software solutions.

Requirements

What You’ll Get to Do:

  • Be responsible for the development of new features on our embedded platforms.
  • Investigate, prototype, and deliver new and innovative system solutions.
  • Design, develop, and verify firmware and drivers for embedded systems.
  • Participate in design reviews, API development, and documentation.
  • Work with new technologies that are vital to product development.
  • Perform tasks including debug, bring-up, beta, and production software development.
  • Successfully collaborate with both software and hardware product teams.

You’ll Bring These Qualifications:

  • Appropriate level of experience as an embedded software engineer writing C user space applications.
  • Experience with developing, debugging, and deploying containerized applications.
  • Experience with developing real-time applications.
  • Experience developing application software that interfaces with FPGAs, sensors, and other embedded hardware.
  • Experience in writing well-documented code in a collaborative, team-centric environment.
  • Experience applying Computer Science fundamentals such as data structures, algorithm design, problem-solving, and complexity analysis.

These Qualifications Would be Nice to Have:

  • Experience with RF or SDR technology.
  • Experience with Digital Signal Processing techniques.
  • Experience with Electronic Warfare (EW) systems and/or technology.
  • Experience with user interface design in DART/Flutter
  • Active security clearance.

Education

  • BS EE/CS or related field


Benefits

Pacific Defense provides competitive salaries and immediately vested 401K match. We provide 100% coverage options for the employee, and 75% coverage for dependents’ medical, dental, vision, and life insurance premiums, as well as a flexible spending account for incidental health care expenses. We offer paid time off and federal holidays to spend time with family, pursue outside interests, or just get some extra rest.


Pacific Defense is an Equal Opportunity Employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity or expression, age, disability, veteran status, or any other protected factor.

Salary : $150,000 - $180,000

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