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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Principal Systems Engineer II,Electronic Support Measures S - **Company:** BAE Systems - **Location:** Nashua, NH, United States - **Experience:** Expert - **Salary:** $149,603.0 - $254,317.0 - **Contract:** Permanent contract - **Skills:** Algorithm Design, Systems Engineering, Signals Intelligence, Digital Electronics, Firmware, Radio-Frequency Identification, Software Engineering, Systems Architecture, Systems Integration, MagicDraw, Operational Systems - **Published:** September 30, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9203591/sr-principal-systems-engineer-iielectronic-support-measures-s ## About the Role * 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 ## 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 ## Related Videos - [How Regex Works: The Secret Sauce Behind Pattern Matching](https://www.wearedevelopers.com/videos/1212-how-regex-works-the-secret-sauce-behind-pattern-matching) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Eclipse Qrisp: Next Generation of Quantum Algorithm Development](https://www.wearedevelopers.com/videos/1155-eclipse-qrisp-next-generation-of-quantum-algorithm-development) - [Agent Smith Gets Hardware: Autonomous IoT Hacking From Debug Port to Cloud API](https://www.wearedevelopers.com/videos/100258-agent-smith-gets-hardware-autonomous-iot-hacking-from-debug-port-to-cloud-api) - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk)