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Sr. Systems Engineer

Job in Nashua, Hillsborough County, New Hampshire, 03062, USA
Listing for: Pacific Defense
Full Time position
Listed on 2026-01-11
Job specializations:
  • Engineering
    Systems Engineer, Electronics Engineer
Job Description & How to Apply Below

Due to the classified nature of our work, U.S. citizenship is required. Candidates must be willing to obtain and maintain a DoD Security Clearance.

Location:
Nashua NH

About Us

Pacific Defense is an industry-leading developer of advanced RF and electronics systems for the U.S. Department of Defense and commercial customers. We specialize in Open Systems Architecture solutions for electromagnetic spectrum warfare. Our vision provides cost effective, highly capable, modular, and rapidly reconfigurable systems to our customers in less than half the time of traditional defense contractors. Our team delivers sensing and effects solutions for the Land, Air, Sea and Space domains at an unprecedented pace.

We accomplish this strategy by combining broad domain experience in Radar, EW, SIGINT, and Communications with a go-fast execution model. Our model fully leverages Open Standards, like SOSA, CMOSS, and MORA, as well as rapid prototyping methodologies to bring our advanced capabilities to customers quickly. The Pacific Defense family includes facilities throughout the country, staffed with expertise spanning signal processing, novel algorithm development, cognitive systems, high performance computing, hardware design and development, and systems integration and test.

We embrace the diversity of people, ideas, and a great employee experience to drive the innovation that runs through everything we do. Pacific Defense has established an excellent reputation in our professional community and is growing our team to seize new opportunities to solve tough challenges for national defense. Come join our team and accelerate your career!

Who are we looking for?

Pacific Defense is seeking a Senior Systems Engineer- EW with the ability to lead and execute complex programs across the business. Pacific Defense has organized into an integrated CMOSS Solutions, Electronic Warfare and Space business areas. Within these business areas, there are many products that support them, including Position, Navigation, and Timing (PNT) products, Communications products (VLF through SHF and beyond), Electronic Warfare SDRs, and others.

This Systems Engineer will specialize in the Electronic Warfare business area but can support across all of them, dependent on the qualifications and desires of applicants and the needs of the business. Pacific Defense believes deeply in matching the job to the person.

You’ll Bring These

Qualifications:
  • Passion for both program startup and test and integration.
  • A proven drive for rigor in system and subsystem verification.
  • Skills needed for program startup including requirement generation, allocation, and verification.
  • Lab experience to support/lead the Integration and Test efforts up to and including verification/validation/acceptance with a focus on automation in testing.
  • Experience with Electronic Warfare (comms and/or non-comms), PNT, and Communications waveforms.
  • Proven field experience that demonstrates the ability to understand customer use cases and to rapidly adapt to changing needs.
  • Perform supporting analysis needed for proposals and documentation.
  • Be a voice in the direction of product development and future pursuits.
  • Work solutions to program problems across the company.
  • Support new business initiatives as required to include contribution to technical content, distribution, and collection/validation of Engineering artifacts across all Engineering disciplines.
  • Mentorship and growth of System Engineers.
Required Skills:
  • Communications and Non-Communications Electronic Support and Electronic Attack experience.
  • Conversant in Communications and Non-Communications signal properties, their measurement and analysis.
  • Working knowledge of transceiver design and the ability to contribute to disruptive product design.
  • Digital Signal Processing experience is a plus.
  • Expertise in EW System verification using standard test equipment and special purpose subsystems.
  • Experience with Test Automation software.
  • Strong preference for hands‑on work.
  • Understanding of Open Systems standards and experience using them (SOSA, CMOSS, MORA, VICTORY).
  • Possess acute attention to detail and be proactive and self‑motivating.
  • Willingness to…
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