[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) RTX · HUNTSVILLE, AL, US # Principal Radar Systems Engineer HUNTSVILLE, AL, US Full-time Senior individual contributor Operations Listed on RTX’s official careers site. Posted November 3, 2026. Check that it is still open and apply there. [Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-AL-HUNTSVILLE-401--401-Jan-Davis-Dr-NW--JAN-DAVIS-401/Principal-Radar-Systems-Engineer_01885548-1) [OpenNash Jobs](https://jobs.opennash.com/) / [RTX](https://jobs.opennash.com/companies/rtx/) / Principal Radar Systems Engineer ## Job description ### Date Posted 2026-11-02 Country: United States of America Location: US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401 Position Role Type: Onsite U.S. Citizen, U.S. ### Person, or Immigration Status Requirements Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Surface Radars and Sensors (SR&S) Center within Systems Engineering and Test Capabilities (SE&TC) is looking for a Principal Radar Systems Engineer to lead radar architecture and requirements development activities. This position will be onsite in Huntsville, AL. ### What You Will Do Lead architecture and requirements development activities to define, characterize, develop, and document Missile Defense System (MDS) radar Modeling and Simulation (M&S) capabilities. Develop architectural framework updates, system-of-systems functional and performance requirements, detailed algorithm descriptions, test scenario definitions, and verification approaches. Conduct requirements analysis and benchmarking to validate algorithm designs, ensuring system-level performance aligns with operational requirements. Qualification You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience. Experience with radar systems or related systems engineering. Experience with radar signal processing, signal processing theory, and/or signal modeling. Experience in programming languages such as Matlab, Python, C/C++, and/or Java, and tools such as DOORS. ### Qualifications We Prefer Advanced degree in a STEM discipline. Experience with radar system concepts, including detection, discrimination, tracking, and signal processing algorithms. Expertise in system-level requirements development, documentation, and maintenance. Experience designing system-level software architecture. Proficiency in developing and coding system models, algorithms, test vectors, and evaluation tools for radar requirements and performance analysis. Experience developing, documenting, and maintaining processes, methods, and tools. Demonstrated ability to develop technical solutions to complex issues. Experience working with Linux operating systems. Familiarity with Agile methodologies and tools such as JIRA and Confluence. Strong analytical, technical, and problem-solving skills. Proficiency with the Microsoft Office Suite. Excellent communication, technical writing, oral presentation, and interpersonal skills. ### What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. ### At RTX we value Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligibility– Relocation assistance available Learn More & Apply Now! Please consider the following role type definition as you apply for this role. ### Onsite Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. ### Location Huntsville, AL As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. ### Privacy Policy and Terms Click on this link to read the Policy and Terms ## At a glance - Posted by the employer: Nov 3, 2026 - First seen by OpenNash: Nov 11, 2026 - Last checked: Nov 11, 2026 - Listed for: 8 days - Location: HUNTSVILLE, AL, US - Employment type: Full-time[Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-AL-HUNTSVILLE-401--401-Jan-Davis-Dr-NW--JAN-DAVIS-401/Principal-Radar-Systems-Engineer_01885548-1) ## Hiring at RTX - Open jobs: 4,634 - New in the last 7 days: After two weekly collections - Tracked since: Jul 14, 2026 [All RTX jobs](https://jobs.opennash.com/companies/rtx/) · [Weekly hiring report](/reports/hiring/) ## More jobs at RTX ### [Principal Systems Engineer - Responsible Systems Engineer Onsite](https://jobs.opennash.com/companies/rtx/jobs/60c0ea07665138c07a9b/) HUNTSVILLE, AL, US ### [Principal Systems Engineer - Test Analyst Onsite](https://jobs.opennash.com/companies/rtx/jobs/a96475db70f112f0f14a/) HUNTSVILLE, AL, US ### [Principal Systems Engineer Onsite](https://jobs.opennash.com/companies/rtx/jobs/316bd2f1a0ae8c09dc5b/) HUNTSVILLE, AL, US ### [Principal Radar Systems Engineer](https://jobs.opennash.com/companies/rtx/jobs/4a80b74a4a50dcc29b7f/) ### [Principal Radar Systems Engineer Lead - Ground Based Radar Department](https://jobs.opennash.com/companies/rtx/jobs/95f04b26f92a5635dbb1/) ## Similar jobs at other companies ### [Principal Radar Systems Architect](https://jobs.opennash.com/companies/lockheed-martin/jobs/3110ad621e0460909baf/) Lockheed Martin · Moorestown, NJ ### [Senior Principal Systems Engineer - Radar](https://jobs.opennash.com/companies/bae-systems/jobs/06c413cb3db24f5d2ecb/) BAE Systems · Huntsville, Alabama, United States ### [Radar System - Principal / Sr. Principal Electrical Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/dea35f4666d56e72a991/) Northrop Grumman · United States-Georgia-Warner Robins ### [Principal / Senior Principal Radar Modeling Simulation Analysis Systems Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/60537481821abdff45c9/) Northrop Grumman · United States-Maryland-Baltimore ### [Engineer Senior Principal II – Systems - RADAR - $15K Sign On Bonus](https://jobs.opennash.com/companies/bae-systems/jobs/d23283915c6fa1aed477/) BAE Systems · Westminster, Colorado, United States [Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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