Sr. Principal Systems Engineer II,Electronic Support Measures S
BAE Systems· Defense & Space· Oct 23, 2026 · 5d ago
Nashua, New Hampshire
In office
Full-time
Principal
$150K–$254K
10+ years exp
Job description
Job Description Ready to make a difference? BAE Systems is looking for systems engineers to develop, build, and work on the world’s most advanced electromagnetic spectrum operations systems – detecting, identifying, locating, and countering threats for joint forces and international aircrew. We develop highly sophisticated digital Electronic Warfare (EW) systems, and we are looking for motivated systems engineers to join cross-functional, multi-disciplinary teams developing and supporting next generation Electronic Support Measures (ESM) systems.
Electronic Combat Solutions has technology, engineering and program teams that educate and mentor colleagues to deliver leading Electronic Warfare capabilities. We welcome all those who have big ideas, crave innovation, want to drive fielding velocity and have the passion to bring the warfighter home safe. With a 9/80 schedule, and every other Friday off, our flexible work environment provides you with a chance to change the world without giving up your personal life. We put our customers first – exemplified by our mission: “We Protect Those Who Protect Us®.
In this Electronic Support Sr Principal Systems Engineer II role you will make impacts in the following ways; • Developing new ESM capabilities for application in EW systems and performing systems engineering activities such as developing and managing systems level requirements, developing operational systems concepts to inform system design, developing and evaluating system designs and architectures, performing system architecture trade studies, developing and evaluation of ESM techniques and algorithms
• Performing threat analysis, developing performance models, and defining systems level integration and test for highly complex systems to verify and validate aspects of system designs to ensure conformance with functional specifications and customer requirements.
• Performing systems engineering activities across the development cycle (analysis/decomposition/derivation/allocation of requirements, system modeling & simulation, system design & development, system integration & test).
• Developing viable concept solutions, identifying and tracking technical risks, and leading technical teams.
• Planning, conducting or contributing to trade studies.
• Firmware and software Algorithm development and analysis for detection, location, and identification of threats.
• Digital Signal Processing (DSP).
• Analog/digital receiver design, analysis, and integration
• RF Systems Design, analysis, and integration
Work location can be Nashua NH, Manchester NH, or Lexington MA. Because of the need for consistent, in-person collaboration and/or the requirement to perform all work onsite due to the nature of this particular role, it will be performed full-time on site. This means work will be conducted on location at a BAE Systems facility 100% of the time.
Required Education, Experience, & Skills • Active US government Secret Clearance and ability to obtain a Top Secret clearance
• Bachelor's Degree (or equivalent experience in a relevant field) with a minimum work experience of:
10+ Years with BS
8+ Years with MS
6+ Year with PHD • Expertise in documenting and communicating - leading and working within a team on design, development, analysis, test, results, reports, and presentations.
• Experience with Electronic Support Measures (ESM), Radar Warning Receivers (RWR), or SIGINT systems architectures.
• Experience with Surface and Airborne Radar and Missile System employment, capabilities, and processing.
• Demonstrated Leadership exhibiting Leadership Behaviors of: Strategic Vision, Creativity, Adaptability, Collaboration, Developing People, Integrity, Courage, and/or Inspiration.
• Expertise in some of the following: • Performing systems engineering activities across the development cycle, developing viable concept solutions, identifying and tracking technical risks, and leading technical teams.
• Planning, conducting or contributing to trade studies.
• FW and SW Algorithm development
• Digital Signal Processing (DSP).
• Analog/digital receiver design, analysis, and integration
• RF Systems Design, analysis, and integration
• Experience with system resource management.
• Experience with technical performance measurements and cost account management.
• Experience with advanced antenna technologies and ability to model antenna impacts on received and transmitted signals.
• Model based systems engineering experience with tools such as MagicDraw.
#ECSSE
Preferred Education, Experience, & Skills • M.S. or Ph.D. in Electrical Engineering or Systems Engineering
• Experience with system resource management.
• Experience with technical performance measurements and cost account management.
• Experience with advanced antenna technologies and ability to model antenna impacts on received and transmitted signals.
• Model based systems engineering experience with tools such as MagicDraw.
#ECSSE
Pay Information
Full-Time Salary Range: $149603 - $254317
Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.
Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.
About BAE Systems, Inc. BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.
Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.
This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.
Application prep
Use the role’s language and application details while tailoring your materials.
- Platform
- phenom
- Effort
- medium
Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Paid Time Off