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# Senior System Administrator

- **Company:** RTX
- **Location:** Pelham, NH, United States
- **Experience:** Expert
- **Salary:** $68,900.0 - $131,100.0
- **Contract:** Contract
- **Skills:** Microsoft Windows, CompTIA Security+, VMware ESX Servers, Hardware Design, System Center Configuration Manager, Windows Servers, Red Hat Enterprise Linux, VMware VSphere, Data Storage Technologies, Virtual Computing, Vcenter, National Industrial Security Program Operating Manual (NISPOM), Wsus, Vmware
- **Published:** October 22, 2026
- **Apply:** https://dejobs.org/x/x/47F149F85A9B439F8697B821B230A03F/job/

## About the Role

Active and transferable U.S. government issued security clearance is required prior to start date., Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * 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.

 * Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
 * Travel required as business needs dictate to other US Domestic locations, up to 5% per year., * Typically requires a bachelor's degree and a minimum of 2 years of prior relevant experience in systems administration and/or IT service desk support.
 * Ability to obtain INTERIM 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
 * Experience with installation, configuration, and administration of Windows operating systems.
 * Experience with developing solutions and documenting technical problems and their solutions.
 * 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 in Windows Server and RedHat Enterprise Linux
 * Experience with Zero Clients
 * Experience with data storage, NAS, and SAN technologies and solutions
 * Experience supporting engineers in software, simulations, and hardware development
 * Experience with Microsoft WSUS, SCCM, and/or Exchange

## Description

* Provide documentation and training on advanced IT processes and procedures and other tasks as assigned.