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# Windows System Administrator - Top Secret clearance

- **Company:** RTX
- **Location:** Independence, TX, United States
- **Salary:** $95,500.0 - $181,700.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Domain Controllers, CompTIA Security+, Cyber Security, Dynamic Host Configuration Protocol, Desktop Virtualization, RAID, Domain Name System (DNS), VMware ESX Servers, Monitoring of Systems, Hyper-V, Hypervisor, Microsoft Software, Windows Servers, OpenShift, Red Hat Enterprise Linux, Server Administration, Server Virtualization, VMware VSphere, Software Vulnerability Management, Symantec, Data Logging, Scripting, Containerization, Tanzu, Kubernetes, Rancher, Vcenter, Performance Monitor, Patch Management, Nessus, National Industrial Security Program Operating Manual (NISPOM), Splunk, Wsus, Docker, Vmware
- **Published:** November 6, 2026
- **Apply:** https://www.adzuna.com/details/5952911417

## About the Role

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, * Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.

 * 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 operating systems and Windows Server administration.
 * Experience administering one or more of the following: Active Directory, Exchange, WSUS, Server Virtualization (Hyper-V, VMware), Group Policy, or backup and Recovery.
 * 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., * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification)
 * Experience with Ivanti, Symantec, Splunk, Tenable and Nessus products.
 * Experience working with NISPOM, DFARS, JSIG, RMF, handling classified information, and working with compliance teams.
 * Experience managing core network and infrastructure like domain controllers, global catalogs, DNS, and DHCP.
 * Experience with Microsoft WSUS, SMECP, and/or Exchange.
 * Experience in patch management, vulnerability remediation, operating system upgrades, computer security, system monitoring and logging.
 * Experience using VMWare vCenter, vSphere, ESXi, Virtual Desktop Infrastructure (VDI), and Microsoft Hypervisor.
 * Automation and task orchestration through scripting and off-the-shelf tools experience.
 * Experience with Containerization Technologies such as OpenShift, Kubernetes, Docker, Tanzu, and Rancher.

## Description

* Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
 * 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).
 * Manage Windows Enterprise environments including system management, performance monitoring, process automation, security hardening, and technical troubleshooting.
 * Maintain compliance standards, monitor security systems, and proactively respond to threats using enterprise security tools such as Ivanti, Splunk, Tenable, and SEP.
 * Windows Server fundamentals to include DNS, DHCP, AD, and server replication methods
 * Utilize your experience with hardware RAID, hardware and software encryption and server management tools.
 * Install and configure software applications requested by end users.
 * Work with Cybersecurity professionals to maintain security requirements.
 * Create, update, and maintain IT documents and technical artifacts.
 * Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
 * Travel required to other US Domestic locations as business needs dictate up to 10% travel.
 * Full time 100% Onsite position