About the role

Aplyr's Quick Take

This role is for a Senior Systems Administrator focused on providing Tier 2 support for a large-scale IT environment, primarily involving Windows and Linux systems. You'll troubleshoot application issues, manage user support requests, and collaborate with teams to enhance system performance. It's an individual contributor role requiring hands-on technical skills and problem-solving capabilities.

Good fit

Ideal candidates have 6-8 years of experience in systems administration, particularly with Microsoft and Linux environments. A proactive, detail-oriented approach and the ability to work well in both small and large teams will help you thrive here.

Worth noting

The position requires an active Top Secret/SCI clearance, which may limit the applicant pool. The role also emphasizes a fast-paced, mission-driven environment, suggesting a need for adaptability and resilience.

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

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.

Aplyr's read

Leidos is a leading force in defense and technology, attracting professionals skilled in IT, engineering, and intelligence analysis.
Synthesized from recent postings & public sources

What's promising

•Leidos has a strong presence in defense and technology sectors, offering stability and growth opportunities.
•The company invests heavily in research, fostering innovation in IT and biomedical fields.
•Leidos offers diverse roles, from AI development to network engineering, appealing to a broad range of tech professionals.

What to watch

•Leidos' heavy reliance on government contracts can lead to revenue volatility due to policy changes.
•The competitive defense sector may limit rapid advancement for employees.
•Complex projects might require long hours, impacting work-life balance.

Why Leidos

•Leidos is distinguished by its focus on integrating advanced technologies in defense and healthcare.
•The company excels in handling large-scale, complex government projects.
•Leidos' commitment to cybersecurity is evident in its specialized roles like Cyber-Supply Chain Risk Management.

Aplyr’s read is generated by AI from public sources. Was it useful?