Senior Windows System Administrator

Date Posted: 2026-01-20 Country: United States of America Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04 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 Raytheon, the foundation of everything we do is rooted in our values and a higher calling to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of todays mission and stay ahead of tomorrows threat. Our team solves tough, meaningful problems that create a safer, more secure world. What You Will Do: Administer and maintain operations of software applications and hardware platforms by analyzing, diagnosing, and troubleshooting technical issues. Provide timely technical assistance to users and excellent customer care. Maintain hardware and software security updates on a recurring schedule. Configure new systems including hardening security settings and testing. Active Directory Object Management (i.e. user, computer, groups). Manage NTFS and file share permissions. Identify, analyze and remediate technical challenges. Administer backups; diagnose and remediate backup errors. Partner with application/project/security/program/third party teams to plan, design, and implement new information technology hardware. Manage client agents for server management and monitoring. Create and maintain technical and process documentation. Qualifications You Must Have: Typically requires a University degree or equivalent experience and a minimum of 2 years of prior relevant experience, or an Advanced Degree in a related field. Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience deploying Windows workstation hardware, platform software, and migrating end-user data Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification (CompTIA Security+ CE or equivalent certification) within 6 months of start date Qualifications We Prefer: Experience with patch management software to apply security patches and adhere to compliance standards. Experience with operating systems, system cloning, and deployment. Microsoft Windows Active Directory Services administration and support (e.g. user and computer object administration, Group Policy). Experience with an IT incident/service request systems Experience implementing hardware and software-based enterprise encryption standards. Experience with Windows command line and related utilities. Experience with servers, tape libraries, and storage platforms. Experience building, configuring and deploying virtual servers. Automation via scripting. Experience with applications such as MatLab, Green Hills Software, DOORS, and Atlassian Suite GmbH. What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Learn More & Apply Now! 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 75,800 USD - 144,200 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 candidates 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 companys 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 RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.