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# Senior Systems Administrator

- **Company:** RTX
- **Location:** Tewksbury, MA, United States
- **Experience:** Expert
- **Salary:** $68,900.0 - $131,100.0
- **Contract:** Permanent contract
- **Skills:** Active Directory, Backup Devices, CompTIA Security+, Cyber Security, VMware ESX Servers, VMware VSphere, Data Storage Technologies, Virtual Computing, Vcenter, National Industrial Security Program Operating Manual (NISPOM), Vmware
- **Published:** October 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9277837/senior-systems-administrator

## About the Role

* Typically requires a University degree or equivalent experience and a minimum of 2 years of prior relevant experience, or an Advanced Degree in a related field.

 * 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.
 * 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.
 * Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods., * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) certification and an Operating System Certification.
 * Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
 * Experience with data storage, NAS, and SAN technologies and solutions.
 * Experience with Active Directory, VMware, administration, backup and recovery.
 * Demonstrated ability to work independently and troubleshoot problems with efficiency.

## Description

* You will be supporting Raytheon Collateral Programs as a Senior System Administrator, based in Tewksbury, MA.
 * Work 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).
 * Work with Cybersecurity professionals to maintain security requirements.
 * Provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
 * Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
 * Must be able to support occasional after-hour maintenance and on-call support and must be able to lift to 35 pounds in support of hardware installations.