Senior Systems Administrator position at Leidos.| Australia

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Leidos Senior Systems Administrator

Experience: 5-years

Pattern: Full time

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Alice Springs,..........Australia

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Leidos is seeking an IT Engineer with Microsoft Enterprise Systems Administrator experience to join our team in support of a Federal Intelligence Agency contract located in Alice Springs, AUS. 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) environment. Primary Responsibilities & Duties: System Administrative duties to include management of Windows and Linux workstations on EVD 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 Clearance Requirements: Must have an active TS/SCI with Polygraph with current investigation within the last 5 years. Basic Qualifications: Bachelors Degree and 8+ years of relevant experience or a Masters Degree and 6+ years of experience. Additional years of experience in lieu of degree are acceptable. Active Top Secret/SCI with Polygraph Clearance Required 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 Diagnostics & Troubleshooting Hardware/Software Troubleshooting Microsoft Windows System Administration Preferred Qualifications: PowerShell Microsoft System Center Configuration Manager 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 Certification Requirement (*required day 1) IAT II If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: April 22, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Systems Administrator job opportunity at Leidos.

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