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Sr. Systems Engineer

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 into 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 help establish and mature processes and procedures in a growing small company atmosphere. 
  • Experience with hardware architecture, specification, design, integration, and testing. 
  • Ability to work with customers to develop and document system requirements. 
  • Demonstrate a strong understanding of hardware engineering, electrical engineering, electronics, and computer architecture. 
  • Coordinate work to analyze and translate requirements into system architecture, hardware and software designs and interface specifications. 
  • Ability to design, analyze, and evaluate hardware products. 
  • Experience following processes to ensure quality and predictability of hardware development. 
  • Develop models or simulations and apply advanced computer programs, analytical techniques, or control strategies to effectively meet requirements and resolve problems. 
  • Critical thinker, with prudent risk tolerance to balance risk and technology with requirements, cost, and schedule. 
  • Competitive spirit accepting of challenges with a willingness to learn and recover from mistakes. 
  • Willingness to learn and explore on your own, and travel, when necessary, in support of business goals. 
  • Strong desire to work at a smaller company free of many of the “big company” roadblocks. 
  • Strong written and oral communication skills with experience presenting technical material. 

Preferred Experience:

  • 5+ years of experience 
  • Bachelor’s Degree in Electrical Engineering, Computer Science, Software Engineering, Data Science, Mathematics, or other relevant technical field. 

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.

Average salary estimate

$135000 / YEARLY (est.)
min
max
$110000K
$160000K

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Full-time, onsite
DATE POSTED
January 19, 2026
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