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Principal Systems Administrator
Job in
Tucson, Pima County, Arizona, 85718, USA
Listed on 2026-07-14
Listing for:
Segment (Twilio)
Full Time
position Listed on 2026-07-14
Job specializations:
-
IT/Tech
Systems Administrator, Unix/Linux, Windows Server
Job Description & How to Apply Below
What You Will Do
Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
- Experience with Windows Server internals or 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 a moderate to high scope and complexity, including the integration of hardware and operating systems (OS).
- 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.
- Full‑time 100% onsite position.
- 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 Top Secret security clearance required prior to start date.
- U.S. citizenship required, as only U.S. citizens are eligible for a security clearance.
- Experience with Windows and/or Linux.
- Experience with containerization technologies such as Open Shift, Kubernetes, Docker, Tanzu, and Rancher.
- Experience with continuous integration/continuous delivery tools such as Gitlab, Jenkins, and Azure Dev Ops.
- 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, data storage, NAS, and SAN technologies and solutions.
- Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
- Experience with Microsoft WSUS, MECM, and/or Exchange.
- High performance computing (HPC) experience in a Linux environment.
The salary range for this role is 86,800
USD–165,200
USD. Hired applicants may be eligible for benefits, including medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, and parental leave, as well as paid time off and holidays. Specific benefits are dependent on the business unit and applicable agreements.
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