> Markdown version of [/jobs/ext/3967508-senior-systems-administrator-australia-ts-sci-with-polygraph](https://www.wearedevelopers.com/jobs/ext/3967508-senior-systems-administrator-australia-ts-sci-with-polygraph). 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). --- # Senior Systems Administrator (Australia) - TS/SCI with Polygraph - **Company:** GOWDA INFORMATICS AUTOMATION AND TECHNOLOGIES LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $97,750.0 - $132,250.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Java (Programming Language), Microsoft Excel, Microsoft Windows, Active Directory, Microsoft Outlook, Information Systems, Dynamic Host Configuration Protocol, Linux, Distributed File Systems, Domain Name System (DNS), Microsoft Exchange Server, Web Browsers, Lightweight Directory Access Protocols (LDAP), Linux System Administration, System Center Configuration Manager, Windows Servers, Citrix Systems, Windows PowerShell, Red Hat Enterprise Linux, Virtualization Technology, Enterprise Software Applications, Software Troubleshooting, Information Technology, Servicenow, Vmware - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-systems-administrator-australia-ts-sci-with-polygraph--4208b674-54e3-42ed-8f1e-a3d2223f86a9 ## About the Role Sensitive Compartmented Information (SCI), Systems Administration/Management, Top Secret Clearance, Information Technology & Information Systems, Linux Administration, Microsoft Windows System Administration, United States Citizen, Red Hat Linux Operating System, Intelligence Agencies, Microsoft Windows Operating System, 5 + years of related experience, Candidates should have 4-7 years related experience and knowledge/understanding of: * Active Directory Administration * DNS, DHCP, DFS, LDAP * Windows 10, Server 2012, Server 2016, * Application Troubleshooting such as Outlook, Excel, Word, JAVA, Internet Explorer * Linux Operating system * Understanding of Service Now, NETS or other ticketing process * ITIL v3 or higher The following knowledge/skill set is not required but is a plus * Microsoft System Center Configuration Manager * PowerShell * Virtualization Environments (VMware, Citrix) * Profile management utilizing the VMware User Experience Management (UEM) toolset * Microsoft Exchange * Telephone/Video support * Networking * Familiarity with site specific customer and mission * Active TS/SCI with Polygraph Required * Certification Requirement (required day 1) IAT II ## Description General Dynamics Information Technology (GDIT) is seeking an IT Engineer with Microsoft Enterprise Systems Administrator experience to join our team in support of a Federal Intelligence Agency contract. Primary responsibilities include providing Tier 2 support of maintaining multiple large Enterprise environment that spans CONUS and OCONUS boundaries. The supporting infrastructure includes multiple Microsoft based networks spanning multiple security enclaves within a hybrid (Windows & RHEL) environments., * System Administrative duties to include management of Windows and Linux workstations on EVDI and physical * Troubleshooting application functionality, crash and performance * Investigate user performance and work with external teams to improve user experience * Assist customers with Tier2 incident resolution for Linux and windows applications. * Provide remote end user desktop support * Identifies, analyzes, and resolves system incidents with both short-term workarounds and long-term solutions. Responds to escalated service desk/team requests. * Communicate effectively (in oral and written form) with a variety of individuals; work well within small and large team environments. * Participates in special projects as required. * Willingness to provide initial triage, response, and notifications for incidents