Principal System Administrator, ATIC TEDNET, Tucson AZ Onsite

Company: RTX
Location: Tucson
Posted on: April 1, 2026

Job Description:

Date Posted: 2026-03-02 Country: United States of America Location: US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.? 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 after day 1 Principal System Administrator Raytheon Digital Technology Solutions Design & Integration – Advanced Technology & Integration Center (SDI-ATIC) TEDNET Environment – Tucson, AZ (Testing, QA, "Sandbox" Environment) 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. The Raytheon Solutions Design & Integration (SDI) team is seeking Principal Systems Administrator to be a member of the Advanced Technology & Integration Center (ATIC) team. This 100% onsite position. What You Will Do: Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Administer and maintain Windows Server internals and/or Linux fundamentals, including DNS, DHCP, Active Directory (AD), and server replication methods. Manage and maintain VMWare vCenter, vSphere, and ESX and/or other virtual computing methods. Work as a team member as well as independently in a fast-paced technological environment, leveraging troubleshooting techniques to resolve technical issues of moderate to high complexity, including hardware and operating system (OS) integration. Install, configure, update, and manage system hardware, storage, backups (e.g., servers, workstations, transceivers, network interface cards). Document hardware and software configurations, procedures, and other necessary artifacts. Provision and configure new systems for internal customers, ensuring alignment with defined requirements as needed. Perform rack-and-stack activities and manage hardware inventory, ensuring completeness and accuracy as needed. Understanding data RAID, data backup uses and technologies. Install and configure software applications requested by end users. 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 bachelor’s degree in a related field and 5 years of relevant experience or equivalent, or a master’s degree and 3 years of relevant experience. Must be able to obtain a maintain a U.S. government-issued secret security clearance. U S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience in automation and scripting for system deployment (e.g., PowerShell, Python, Bash). Experience in Windows or Red Hat client-server environments, including server replication methods and configuration. Experience with application installation, configuration, and deployment in multi-server environments. Hands-on experience managing and using VMware vCenter, vSphere, VDI (Horizon), ESX, or other virtual computing methods. Must have Windows or Linux experience systems administration experience. Experience in one of the following: Active Directory, VMware, MySQL, networking administration experience. Qualifications We Prefer Experience with Containerization Technologies such as OpenShift, Kubernetes, Docker, Tanzu, and Rancher. Experience with Continuous Integration\Continuous Delivery Tools such as Gitlab, Jenkins, and Azure DevOps 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 In-depth working experience in Windows Server Experience with data storage, NAS, and SAN technologies and solutions Scripting Experience 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, Respect, Accountability, Collaboration, and Innovation. Relocation Eligibility – this role is relocation eligible for the selected applicant if they meet company policy criteria. 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. Clearance Information: This position requires the ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS) , an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm RTX Corporation 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 Systems, Pratt & Whitney, and Raytheon. Its 185,000 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, VA. 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 86,800 USD - 165,200 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 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

Keywords: RTX, Chandler , Principal System Administrator, ATIC TEDNET, Tucson AZ Onsite, IT / Software / Systems , Tucson, Arizona