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# Principal Systems Administrator

- **Company:** RTX
- **Location:** McKinney, TX, United States
- **Experience:** Experienced
- **Salary:** $86,800.0 - $165,200.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Antivirus Softwares, Backup Devices, Linux, Disaster Recovery, File Server, Identity and Access Management, Windows Servers, Performance Tuning, Security Content Automation Protocol, Service Pack, Scripting, Data Storage Management, Information Technology, Performance Monitor, Multiplatform
- **Published:** October 1, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9207246/principal-systems-administrator

## About the Role

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 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 and/or Linux deployment, administration, performance monitoring/tuning, security hardening, and troubleshooting.

Qualifications We Prefer:

An active DoD Top Secret clearance preferred.

Experience with infrastructure backup, restore, disaster recovery and business continuity products.

Scripting Experience.

Experience using tools like SCAP and following STIGs.

Experience with Linux architecture, deployment, administration, performance monitoring/tuning, security hardening, and troubleshooting.

## Description

Raytheon currently has an exciting IT position available that supports the Raytheon mission of making the world a safer place. We are currently seeking a Windows Systems Administrator that will be working onsite in a highly collaborative, multi-platform and multi-disciplined environment. The Systems Administrator is required to have an active secret security clearance as they will be responsible for deploying and maintaining classified IT infrastructures.

The candidate's day-to-day activities include but are not limited to: Windows server management; storage management; file server management; access management; data backup; software and license configuration; and workstation support. Each day in the life of a Systems Administrator can bring something new - building a new IT infrastructure for a group of engineers, restoring files due to an outage, updating virus definitions and security patches, teaming with our brilliant engineers on how to improve their processes, and more.


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