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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal/Sr. Principal Engineer Digital Receiver Exciter Subsystem I&T - **Company:** Northrop Grumman - **Location:** Baltimore, MD, United States - **Experience:** Expert - **Salary:** $119,600.0 - $179,400.0 - **Contract:** Permanent contract - **Skills:** Data Analysis, Boolean Algebra, C++ (Programming Language), Embedded Software, Firmware, Python (Programming Language), MATLAB, SAP (Applications), Software Engineering, Subsystems, Systems Integration, Test Data, VHSIC Hardware Description Language (VHDL), Performance Testing, Hardware Testing, System-level Testing, SC Clearance - **Published:** July 4, 2026 - **Apply:** https://dejobs.org/x/x/C4A710ACEAC54324A2806165E72C5A65/job/ ## About the Role This is a Dual-level opening, candidates will be considered at both a level 3 (Principal Engineer) or 4 (Sr. Principal Engineer) based upon the Basic Qualifications listed below. Basic Qualification - Principal Digital Receiver Exciter Subsystem I&T: * Must hold a Secret or Top-Secret security clearance * Must have a Bachelor's Degree in Engineering or related discipline with 5 years of experience in the areas described in the job description or Master's Degree with 3 years of experience or PhD with 0 years of experience. An additional 4 years' experience is acceptable in lieu of degree. * Experience using MATLAB * Experience with digital subsystem integration and test * Experience with set-up and testing of hardware in a lab/bench-top environment Basic Qualification Sr. Principal Digital Receiver Exciter Subsystem I&T: * Must hold a Secret or Top-Secret security clearance * Must have a Bachelors Degree in Engineering or related discipline with 8 years of experience in the areas described in the job description or a Masters Degree with 6 years of experience or PhD with 4 years of experience. An additional 4 years' experience is acceptable in lieu of a degree. * Strong experience using MATLAB * Experience with digital subsystem integration and test * Experience with set-up and testing of hardware in a lab/bench-top environment, * TS/SCI clearance * SAP clearance * Strong knowledge of * setting up spread bench and digital receiver-exciter hardware testing environments * control architectures and control design/integration for hardware with firmware, embedded software, and ASICs * Knowledge of * RF and antenna theory, including RF performance analysis * Python * VHDL * C++ Test development experience for spread benches and subsystem hardware * Experience troubleshooting RF digital subsystems * Understanding of digital signal processing chains * Experience working with and supporting engineers across firmware, software, power, and RF test teams * Be able to delegate, task and oversee the work of junior subsystems engineers ## Description The AMS E&S organization at Northrop Grumman Missions Systems in Baltimore, Maryland is seeking experienced Digital Receiver/Exciter ( D REX) Subsystem Integration and Test engineers in the following areas: DREX subsystems integration and DREX control design and architecture. Work is performed without appreciable direction and exercising considerable latitude in determining technical objectives of assignments. Candidates would have the ability to develop technical solutions to complex problems which require the regular use of ingenuity and creativity. The qualified candidates will work with a diverse and talented team of engineers developing innovative and cost-effective systems that support a broad range of products and business areas across the lifecycle of a program. Applicants should possess the ability to communicate effectively and clearly present technical approaches and findings. Responsibilities may include: * Integration of Digital Receiver Exciters and their representative spread benches * Integration of new equipment and programs in a state-of-the-art facility * Software development for automating test processes and data analysis * Troubleshooting digital and RF issues during test of advanced antenna systems * Analyzing test data and identifying early trends * Supporting program meetings in developing root cause and corrective actions * Collaborating with design engineering for hardware, controls, and test improvements * Subsystem analysis including digital logic architecture and hardware from RF to digits * Support for performance testing, requirements verification, and more. In addition, this candidate should have demonstrated technical ability/leadership and expertise in one or more of the following areas: * DREX integration, test, and system integration * Firmware and/or front-end software design * Highly integrated subsystems including DREX and antenna hardware for digital active electronically scanned arrays (DAESAs) * Development and verification of complex front-end and DREX controls across systems * Electronic warfare principles and their system applications * Subsystem requirements (hardware and digital) derivation, flow-down, and configuration * Comfort creating test support applications and tools using MATLAB * Conducting Test Readiness Reviews and/or Design Readiness Reviews * Concept development of operation for integration and test activities * Executing subsystem and system level testing - both in engineering development and manufacturing environments This role is contingent upon candidates having an active, current government Secret Clearance. ## Related Videos - [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [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) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)