Principal Systems Administrator

U.S. Citizen / Immigration 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.

Active and existing security clearance required on day 1. Must be able to obtain DoDD 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) within 6 months of start date.

• Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
• Utilize Windows Server internals, Linux fundamentals, DNS, DHCP, AD, and server replication methods.
• Work as a team member in a fast‑paced technological environment, troubleshooting moderate to high scope and complexity problems, including integration of hardware and operating systems.
• Full‑time, 100% onsite position.

• University degree or equivalent experience and a minimum of 2 years of relevant experience, or an advanced degree in a related field.
• Experience with Windows and/or Linux.
• Active and transferable U.S. government‑issued Secret or higher security clearance.

• Experience with containerization technologies such as Open Shift, Kubernetes, Docker, Tanzu, and Rancher.
• Experience with Continuous Integration / Continuous Delivery tools such as Git Lab, Jenkins, and Azure Dev Ops.
• DoDD 8140 / 8570 certification (CompTIA Security+ CE or equivalent) and an operating system certification.
• Experience with NISPOM, JAFAN, JSIG, DFARS, DoD/RMF, data storage, NAS, and SAN technologies.
• Experience using VMWare vCenter, vSphere, ESX, or other virtual computing methods.
• Experience with Microsoft WSUS, MECM, and/or Exchange.
• High Performance Computing (HPC) experience in a Linux environment.

• Benefits: medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, parental leave, paid time off, and holidays.
• Annual short‑term and/or long‑term incentive compensation programs may apply.
• U.S. based role with appropriate pay structure for U.S. territories.

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.