Senior Systems Administrator

leidos· 00100 LEIDOS, INC.
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📍 Alice Springs, Northern Territory, AustraliaFull time

About this role

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

#NSBA

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:

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.

Frequently Asked Questions

Is the salary disclosed for the Senior Systems Administrator position at leidos?
The salary for this Senior Systems Administrator role at leidos is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Systems Administrator position at leidos located?
This Senior Systems Administrator role at leidos is based in Alice Springs, Northern Territory, Australia. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Systems Administrator role at leidos full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Systems Administrator role in the 00100 LEIDOS, INC. department at leidos.
Which team or department does the Senior Systems Administrator at leidos belong to?
This Senior Systems Administrator position is part of the 00100 LEIDOS, INC. department at leidos. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Systems Administrator position at leidos?
Click the "Apply Now" button on this page. You will be redirected to leidos's official application portal hosted on workday where you can submit your application directly.
When was the Senior Systems Administrator job at leidos posted?
This Senior Systems Administrator position at leidos was posted on Aug 15, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Systems Administrator
leidos
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