> Markdown version of [/jobs/ext/1136648-principal-windows-system-administrator](https://www.wearedevelopers.com/jobs/ext/1136648-principal-windows-system-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Windows System Administrator - **Company:** RTX - **Location:** Woburn, MA, United States - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Contract - **Skills:** Microsoft Windows, Active Directory, IBM AIX, Backup Devices, CompTIA Security+, Cyber Security, Data Centers, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), VMware ESX Servers, Hardware Design, System Center Configuration Manager, Red Hat Enterprise Linux, VMware VSphere, Scripting, Data Storage Technologies, High Performance Computing, Virtual Computing, Information Technology, Vcenter, National Industrial Security Program Operating Manual (NISPOM), Wsus, Vmware - **Published:** July 1, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9006904/principal-windows-system-administrator ## About the Role * Provide IT systems administration in a heterogeneous Microsoft Windows, VMWare and Redhat Enterprise Linux environment. * Provide daily checks in multiple data centers. * Understanding and knowledge of Windows Server internals and Linux fundamentals to include DNS, DHCP, AD, and server replication methods * Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity to include the integration of hardware operating systems (OS) and program specific software. * Experience data backup uses and technologies. Install and help configure software applications requested by end users. * Work with Cybersecurity professionals to maintain security requirements. * Provide documentation and training on advanced IT processes and procedures and other tasks as assigned. * 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 10% per year. * Full time 100% onsite position. * Must obtain an interim clearance before setting a start date. Qualifications You Must Have: * 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. * Must have experience with Windows Active Directory, VMware, Administration, backup, and recovery., * 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 using Information Technology project lifecycle management processes. * Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods. * Experience supporting engineers in software, simulations, and hardware development. * Experience with Microsoft WSUS, MECM, and/or Exchange * Experience with AIX Operating System * High Performance Computing (HPC) experience in a Linux environment. * Scripting Experience. ## Description 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 Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [The Developer Workstation Blind Spot: Why Your Security Stack Can't See What Matters Most](https://www.wearedevelopers.com/videos/100254-the-developer-workstation-blind-spot-why-your-security-stack-can-t-see-what-matters-most) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)