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# Principal Systems Administrator

- **Company:** RTX
- **Location:** FOREST, United States
- **Experience:** Experienced
- **Salary:** $86,800.0 - $165,200.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Software Applications, Software Documentation, Cyber Security, Dynamic Host Configuration Protocol, Disaster Recovery, RAID, Domain Name System (DNS), Security Content Automation Protocol, VMware VSphere, Scripting, Virtual Computing, Vmware
- **Published:** August 18, 2026
- **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-MS-FOREST-430--19859-Hwy-80--BLDG-430/Principal-Systems-Administrator_01866540-1

## About the Role

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, * 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.

 * 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.
 * Experience using Active Directory, VMware vCenter, vSphere, or other virtual computing methods.
 * Experience with Windows deployment, administration, security hardening, and troubleshooting., * An active DoD Secret or Top Secret clearance
 * Experience with infrastructure backup, restore, disaster recovery and business continuity products
 * Scripting Experience
 * Experience using tools like SCAP and following STIGs.

## Description

* Provide IT systems administration support in a heterogeneous Microsoft Windows environment.
 * Manage and maintain core services including DNS, DHCP, Active Directory (AD), and server replication.
 * Troubleshoot and resolve moderate to complex issues involving integration of hardware, operating systems, and software applications.
 * Implement and manage data RAID, backup, and recovery technologies.
 * Collaborate with Cybersecurity professionals to maintain compliance with security requirements.
 * Install, configure, and document software applications requested by end users.
 * Provide user and system documentation, process training, and ongoing technical support.
 * Participate in on-call or after-hours system maintenance as required to support 24x7 operations.
 * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements within 6 months of start date.
 * Travel up to 5% domestically based on business needs.
 * Full time 100% Onsite position


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