In-Demand Linux systems administrator Jobs

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Senior Systems Administrator

Leidos -
Alice Springs NT

Apply Now

Job Details

Full-time

Benefits

Annual leave

Qualifications

Microsoft Word
ITIL Certification
System administration
Microsoft Excel
Microsoft Outlook
Management
Software troubleshooting
SCCM
Enterprise software
Microsoft Exchange
Master's degree
Administrative experience
DHCP
Incident response
Bachelor's degree
ITIL
LDAP
DNS
ServiceNow
VMWare
Citrix
Help desk

Full Job Description

Description

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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