> Markdown version of [/jobs/ext/2098012-sr-systems-administrator-linux-tewksbury-ma](https://www.wearedevelopers.com/jobs/ext/2098012-sr-systems-administrator-linux-tewksbury-ma). 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). --- # Sr. Systems Administrator, Linux - Tewksbury, MA - **Company:** RTX - **Location:** Concord, NH, United States - **Experience:** Expert - **Salary:** $68,900.0 - $131,100.0 - **Contract:** Contract - **Skills:** Bash Shell, CompTIA Security+, Cyber Security, Linux, Perl (Programming Language), VMware ESX Servers, Hardware Design, Python (Programming Language), Windows PowerShell, Red Hat Enterprise Linux, Ansible, Solaris (Operating System), VMware VSphere, Scripting, Data Storage Technologies, Virtual Computing, Information Technology, Vcenter, National Industrial Security Program Operating Manual (NISPOM), Vmware - **Published:** August 17, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-MA-TEWKSBURY-TB3--50-Apple-Hill-Dr--CONCORD-BLDG-Tewksbury-Tb3-300-Concord/Sr-Systems-Administrator--Linux---Tewksbury--MA_01866705 ## About the Role Active and transferable 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, Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * Typically requires a University Degree and a minimum of 2 years of prior relevant experience, or An Advance Degree in a related field. * Ability to obtain Interim U.S. security clearance prior to the 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 Red Hat Enterprise Linux operating systems. * Experience with developing solutions and documenting technical problems and their solutions. Qualifications We Prefer: * Experience with using Information Technology project lifecycle management processes * 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 controls * Experience with data storage, NAS, and SAN technologies and solutions * Experience in Sun Solaris or Unisys platforms and operating systems * Experience supporting engineers in software, simulations, and hardware development * Experience with scripting languages like bash, Perl, PowerShell, Python, Ansible ## Description * Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. * 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. * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within a reasonable amount of time * 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. * 100% onsite ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [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) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) - [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) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)