Principal System Administrator, ATIC Production, Onsite Richardson, TX

Position: Principal Systems Administrator Location: Richardson, TX (United States) Role Type: 100% Onsite. Security Clearance: U.S. Secret Clearance (DoD Secret). U.S. citizen required. Must obtain and maintain a U.S. government‑issued security clearance. Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) within 6 months of start date. Responsibilities 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, 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. Qualifications – Must Have Typical graduate level (Bachelor’s) in a related field and 5 years of relevant experience or equivalent, or a Master’s degree and 3 years of relevant experience. Experience in automation and scripting for system deployment (e.g., PowerShell, Python, Bash). Experience in Windows or RedHat 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 active directory, VMware, MySQL, networking administration experience. Must be able to obtain and maintain a U.S. government‑issued secret security clearance. U.S. citizenship required. Experience with one of the following: Active Directory, VMware, MySQL, networking administration, or similar. Qualifications – Preferred 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. Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF, data storage, NAS, and SAN technologies and solutions. Experience using VMware vCenter, vSphere, 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. Salary Range 86,800 USD – 165,200 USD (based on experience). Benefits Medical, dental, vision insurance. Life insurance and short‑term and long‑term disability coverage. 401(k) match and flexible spending accounts. Flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Annual short‑term and/or long‑term incentive compensation programs. Equal Opportunity Employer 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 Section503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. #J-18808-Ljbffr