Senior Principal RF Systems Engineer (Onsite)

Date Posted: 2026-10-09 Country: United States of America Location: US-VA-ALEXANDRIA-7900-CUST ~ 7900 Telegraph Rd ~ 7900-CUST (External Site) 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: TS/SCI with CI Poly - Current 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. Raytheon is seeking a Senior Principal RF Systems Engineer to perform in a high tempo, dynamic small team environment. This high-performance team is closely integrated with customers and contractors. This team operates at the center of critical US government functions enabling the nation to meet its national security plan and strategic goals. Location: Alexandria, Virginia What You Will Do Serve as a technical authority for RF system performance and work closely with operators and factory systems engineers to maintain reliable collection capabilities. Provide day-to-day engineering support for operational RF collection systems and associated subsystems. Monitor and assess RF system health, performance, availability and operational readiness. Troubleshoot RF signal-chain, antenna, receiver, timing, power, and system integration issues and coordinate with development experts and anomaly resolution teams to resolve complex technical problems. Support integration, configuration and maintenance activities for RF collection capabilities by evaluating changes for potential impacts to RF performance. Develop and execute system-level test procedures to validate system performance following configuration changes. Maintain system documentation, configuration histories, troubleshooting procedures and technical baselines. Support root-cause analysis and corrective/preventive action efforts for recurring system issues. Develop and execute system-level test procedures to validate system performance following configuration changes. Maintain system documentation, configuration histories, troubleshooting procedures and technical baselines. Support root-cause analysis and corrective/preventive action efforts for recurring system issues Participate in technical reviews, system readiness assessments, test events and operational support activities. Regularly provide technical inputs, analysis, presentations, training and decision recommendations on RF system performance to keep customer and contractor leadership appraised of activities, deliverables, problems and opportunities. Qualifications You Must Have Typically requires a Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 10 years of prior engineering experience or equivalent experience. 5+ years of experience in RF, communications, signals, electronic systems, or RF systems engineering Experience troubleshooting complex RF systems and signal chains. Experience with RF fundamentals including gain/loss, noise figure, dynamic range, sensitivity, and interference. Experience analyzing RF system performance and diagnosing faults using engineering data and test measurements. Experience developing, tailoring and delivering technical presentations for engineering, operations, customer and contractor teams. Experience in presentations with senior leadership customer and contractor teams on complex issues. An active and transferable TS/SCI with CI Poly 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 the required security clearance. Qualifications We Prefer Experience with deployed RF systems and field engineering. Experience supporting systems through deployment, sustainment, upgrades and lifecycle management. Experience with software-designed radio architecture and RF receivers. Experience with Python, MATLAB, or similar tools for RF data analysis and test automation. 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, Respectability, Collaboration, and Innovation. Relocation Eligible – 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. 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 132,400 USD - 251,600 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