**Date Posted:** 2025-07-31 **Country:** United States of America **Location:** RCA99: RTN Remote, California **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:** DoD Clearance: Secret At Raytheon Missiles & Defense, by combining our vast resources and investments, we are able to dedicate ourselves to solving mission-level vs. product-level customer challenges – together we can anticipate more, move faster and make a bigger impact on the big picture. Job Summary: Collaborate with a diverse team supporting Raytheon's critical and fast-paced programs with classified information system capabilities in a mixed Unix-based/Windows-based environment. We have an immediate need for a Systems Administrator at an international radar site. The position is accompanied. This position requires an existing security clearance. NOTE - This role will require forward deployment to the international location, under the terms of a short-term or long-term Memorandum of Understanding (MOU) International Assignment managed by Raytheon International Assignment Services (IAS). The Site System Administrator has direct responsibility for ensuring that the site computer systems, both tactical system and non-tactical support systems, are fully functional. 24 hours per, 7 days a week. We value diverse skills and experience, so don’t hold back. Your qualification could add tremendous value to our team. Our customers come from all different backgrounds, and so do our employees. If you’re passionate about what you could accomplish here, we’d love to hear from you. Responsibilities to Anticipate: •Supporting Disaster Recovery and incident response exercises as required •Updating network diagrams following integration of approved system configuration changes •Ensuring that configuration changes follow the change approval process •Updating system hardware and software inventories for all approved integrated changes •Reviewing security logs and personnel accounts with site IAO •Providing project management for computer systems related projects •Supervising and providing training to Operator/Maintainers in computer skills when needed •Serving as the Subject Matter Expert (SME) for computer problems beyond the knowledge of the O&S team on site and interfacing with engineering support for computer problems •Providing vendor interface for hardware and software repair and maintenance •Procure equipment when required after identifying requirements with the customer, selecting the appropriate product, submitting the purchase requisition and providing vendor follow-up •Assisting with day-to-day radar activities and maintenance as directed by lead engineer •Take technical direction from the Radar System Engineering Lead as required •Other duties as assigned by the Radar Site Manager Qualifications You Must Have: •A Computer Science Degree or equivalent experience and minimum 5 years prior relevant experience, or an Advanced Degree in a related field and minimum 3 years' experience Engineering/Other Technical Positions •Good understanding of fundamental TCP/IP concepts •Strong understanding of fundamental networking/distributed computing environment concepts •Experience in software/systems integration planning and execution •An active and in-scope Secret US security clearance Qualifications We Value: •Master of Science in an Engineering discipline •Documented experience on DoD or Missile Defense Programs or similar •Working knowledge of NetApp systems •Working knowledge of Cisco switches and routers •Working knowledge of HBSS “host-based security system” •Working knowledge of ACAS Nessus “Assured Compliance assessment solution” •Working knowledge of MFA “Multifactor authentication administration” •Working knowledge of VMware ESXI •Working knowledge of RMF “risk management framework What We Offer: Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. The salary range for this role is 82,000 USD - 164,000 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 (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.