Raytheon is seeking a Sr. Systems Administrator in Tucson, Arizona, to manage IT systems in a mixed Microsoft Windows and Redhat Enterprise Linux environment. The role requires a Top Secret security clearance and experience in systems administration.
Date Posted: 2025-06-25 Country: United States of America Location: AZ888: RMS AP Bldg 928 1151 East Hermans Road Building 928, Tucson, AZ, 85706 USA 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: Top Secret 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 today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. What You Will Do: • Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. • Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. • Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS). • Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date. • Full time 100% Onsite position. 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 Top 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 with Windows and/or Linux Qualifications We Prefer: • Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). • Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF, data storage, NAS, and SAN technologies and solutions. • Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods. • Experience with Microsoft WSUS, MECM, and/or Exchange • High Performance Computing (HPC) experience in a Linux environment 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! The salary range for this role is 66,000 USD - 130,000 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 to read the Policy and Terms Skills: Accounts Payable, Affirmative Action, CompTIA - Computing Technology Industry Association, CompTIA Security+, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Data Storage, Defense Federal Acquisition Regulations Supplement (DFARS), DoD Directive 8140, DoD Directive 8570, Identify Issues, Information Systems/Technology IS/IT Administration, Information Technology & Information Systems, Life Insurance, Linux Operating System, Microsoft Windows Operating System, Microsoft Windows Server, Microsoft Windows System Internals/Programming, Network Attached Storage (NAS), Operating Systems, Problem Solving Skills, RTX, Red Hat Linux Operating System, Rehabilitation Act, Replication and Remote Mirroring, Roadway Construction, Security Clearance, Storage Area Network (SAN), Systems Administration/Management, Team Player, United States Citizen, United States Department of Defense (DoD), VMWare ESX/ESXi, VMWare vCenter, VMWare vSphere, Virtualization, Vision Plan About the Company: Raytheon Raytheon Technologies Corporation is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. With four industry-leading businesses ― Collins Aerospace Systems, Pratt & Whitney, Raytheon Intelligence & Space and Raytheon Missiles & Defense ― the company delivers solutions that push the boundaries in avionics, cybersecurity, directed energy, electric propulsion, hypersonics, and quantum physics. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Waltham, Massachusetts. Company Size: 10,000 employees or more Industry: Aerospace and Defense Founded: 1922 Website: https://jobs.raytheon.com/
NewGen Technologies, Inc. is seeking a Senior Systems Administrator III to provide O&M support for enterprise server-based solutions. The role involves installation, configuration, and maintenance across multi-platform information systems.
The Sr. Systems Administrator at ASM Research is responsible for managing complex IT systems and providing senior-level support across various disciplines. This role involves troubleshooting, system monitoring, and mentoring junior team members in Carson City, Nevada.
Walker Elliott is seeking a Senior Cloud & Systems Administrator in Houston, TX to manage and optimize hybrid IT infrastructure, focusing on Azure and VMware technologies. This role combines hands-on technical work with strategic IT planning.
Raytheon is seeking a Sr. Systems Administrator in Tucson, Arizona, to manage IT systems in a mixed Microsoft Windows and Redhat Enterprise Linux environment. The role requires a Top Secret security clearance and experience in systems administration.
Xirgo Technologies is seeking a Senior Systems Administrator to lead the management of their global Microsoft 365 infrastructure and support enterprise security initiatives. This role is crucial for implementing advanced security controls and ensuring system reliability across multiple locations.
The Sr. Systems Administrator at ASM Research is responsible for managing complex IT systems and providing senior-level support across various disciplines. This role involves troubleshooting, system upgrades, and mentoring junior team members.
NewGen Technologies, Inc. is seeking a Senior Systems Administrator III to provide O&M support for enterprise server-based solutions. The role involves installation, configuration, and maintenance across multi-platform information systems.
The Sr. Systems Administrator at ASM Research is responsible for managing complex IT systems and providing senior-level support across various disciplines. This role involves troubleshooting, system monitoring, and mentoring junior team members in Carson City, Nevada.
Walker Elliott is seeking a Senior Cloud & Systems Administrator in Houston, TX to manage and optimize hybrid IT infrastructure, focusing on Azure and VMware technologies. This role combines hands-on technical work with strategic IT planning.
Raytheon is seeking a Sr. Systems Administrator in Tucson, Arizona, to manage IT systems in a mixed Microsoft Windows and Redhat Enterprise Linux environment. The role requires a Top Secret security clearance and experience in systems administration.
Xirgo Technologies is seeking a Senior Systems Administrator to lead the management of their global Microsoft 365 infrastructure and support enterprise security initiatives. This role is crucial for implementing advanced security controls and ensuring system reliability across multiple locations.
The Sr. Systems Administrator at ASM Research is responsible for managing complex IT systems and providing senior-level support across various disciplines. This role involves troubleshooting, system upgrades, and mentoring junior team members.
NewGen Technologies, Inc. is seeking a Senior Systems Administrator III to provide O&M support for enterprise server-based solutions. The role involves installation, configuration, and maintenance across multi-platform information systems.
The Sr. Systems Administrator at ASM Research is responsible for managing complex IT systems and providing senior-level support across various disciplines. This role involves troubleshooting, system monitoring, and mentoring junior team members in Carson City, Nevada.
Raytheon is seeking a Sr. Systems Administrator in Tucson, Arizona, to manage IT systems in a mixed Microsoft Windows and Redhat Enterprise Linux environment. The role requires a Top Secret security clearance and experience in systems administration.