Senior Systems Engineer – RF SATCOM (Onsite)
RTX (Raytheon)
- Location
- US-CA-SAN MIGUEL-18000-CUST ~ 18000 E Perimeter Rd ~ BLDG 126 (External Site)
- Employment
- Full Time
- Work model
- On-Site
- Level
- Senior
- Posted
- Sep 21, 2026
About this role
Location: US-CA-SAN MIGUEL-18000-CUST ~ 18000 E Perimeter Rd ~ BLDG 126 (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 - 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 Systems Engineer – RF SATCOM. The work consists of working with a team on planned and ad hoc hardware/system engineering tasks on customized special application systems. Including system analysis, testing/integration of new deliveries, and discrepancy identification and work off supporting the customer’s 24x7 mission. Personnel selected for this position will be a Systems Responsible Engineer (SRE) and required to work a flexible schedule which includes periodic after-hours short turn-around call-in support. Location: Near Paso Robles, California What You Will Do · Primary responsibilities include Operations and Maintenance (O&M) support to a large, integrated, complex Hardware-Software communications systems in a real-time environment. · Discrepancy report work off and problem resolution, O&M training/mentoring, trending and analysis, procedure development, data collection, fault isolation, and performing real-time manual actions to restore system capabilities. · Preventive and corrective maintenance support across multiple external interfaces over an extensive multi-tiered network. · Work closely with delivering factories to provide support to development activities, installation efforts, and special test configurations. · Contribute to the development of new creative and complex concepts that will provide value to the customer. · Report and document anomalous performance and interact with other team members to validate operational requirements performance. ·Crosstrain in other operational positions as assigned and assist with the training of other personnel. · Development of troubleshooting/recovery plans and Implementation of associated management and customer briefs may also be required. · Develop and maintain an active training plan for associated systems. · Support test activities and/or operational requirements as necessary. · Problem-solving in time-critical situations. · Corrective maintenance actions requiring removal/replacement, repair, and testing of failed hardware. · Performance of maintenance activities will include climbing multiple sets of stairs, ladders, lifting/carrying up to 50lbs, working in non-environment-controlled spaces, working at elevated heights. · 4 by 10 weekday schedule, 0530 – 1530 with periodic after-hour and/or weekend support.
Qualifications
You Must Have · Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 5 years of prior engineering