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Fulltime Linux Windows System Administrator Jobs in Indiana

Kirby Risk

IT System Administrator

Indianapolis, IN · On-site

Administer and support operating systems (e.g., Windows Server, Linux), business applications, and Microsoft 365 * Apply patches and support backup, recovery, and security best practices to safeguard ...

Barbaricum

... Windows and Linux server environments supporting mission and training operations. * Administer physical, virtual, and cloud-based infrastructure to ensure system availability, performance, and ...

Vera Bradley

Associate System Administrator

Roanoke, IN · On-site

They are seeking an Associate System Administrator to administer and support infrastructure systems ... Windows operating systems and Microsoft Office applications • Strong troubleshooting skills with ...

Barbaricum

Senior Systems Administrator

Crane, IN · Hybrid

$86K - $116K/yr

This role focuses on Windows workstation provisioning, system image management, and automated ... Administer and maintain Group Policy Objects (GPOs) and system configuration baselines across ...

TAGHLEEF INDUSTRIES

Systems Administrator

Rosedale, IN · On-site

Systems Administrator The Systems Administrator is responsible for providing administration and ... Configure, manage, and support Windows DFS file system for various departments. * Support and ...

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Fulltime Linux Windows System Administrator information

What is the difference between Fulltime Linux Windows System Administrator vs Network Administrator?

AspectFulltime Linux Windows System AdministratorNetwork Administrator
CertificationsLinux/Windows certifications (e.g., CompTIA Linux+, Microsoft Certified)Network certifications (e.g., Cisco CCNA, CompTIA Network+)
Work EnvironmentServer management, OS configuration, troubleshooting on Linux/Windows serversNetwork infrastructure, routers, switches, firewalls
Primary ResponsibilitiesMaintain OS stability, user management, security patchesDesign, implement, and monitor network systems

While both roles involve IT infrastructure, the Fulltime Linux Windows System Administrator focuses on server and OS management, whereas the Network Administrator specializes in network hardware and connectivity. Both roles require technical certifications and are vital in maintaining organizational IT operations, but they differ in scope and daily tasks.

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Fulltime Linux Windows System Administrator jobs near you
Linux Systems Administrator

Linux Systems Administrator

ManTech International

Crane, IN • On-site

Full-time

Posted 4 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 245 rated software companies

Job description

General information
Requisition #
R69413
Locations
USA-IN-Crane
Posting Date
07/22/2026
Security Clearance Required
Interim Secret
Remote Type
Hybrid
Time Type
Full time
Description & Requirements
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Senior Linux System Administrator to join our team working in Crane, IN. This is a hybrid position requiring 3 days onsite per week.
Responsibilities include but are not limited to:
  • Provide support for the virtualization of Linux based virtual machines.
  • Patch and STIG Linux Operating to ensure compliance with DoD Information Assurance standards.
  • Provide troubleshooting support for Linux/Windows Operating Systems.
  • Perform system updates and server configurations, including upgrades of the Operating System.
  • Implement changes to locally hosted workstations/servers. Support virtual and physical networking configurations.
  • Provide hardware, software, and network troubleshooting.
  • Provide support for the administration of multiple VMWare ESXi environments across the RDT&E enterprise.
  • Provide support the virtualization of Linux based virtual machines.

Minimum Qualifications:
  • High School diploma or equivalent education
  • 7+ years of experience in IT
  • 2+ years of experience as a Systems Administrator working with Linux
  • Must possess a CASP+, CISSP, or equivalent DoD 8570.01 / 8140 IAT Level III certification, or successfully obtain it within 30 days of offer acceptance and prior to beginning employment. Start date is contingent upon verification
  • Experience with virtual and physical networking configuration
  • Experience troubleshooting hardware, software, and networks
  • Experience working with DISA STIG guidance and RMF requirements

Preferred Qualifications:
  • RedHat 7, or higher, Enterprise administration, including workstation and server
  • RedHat 8/Ubuntu22, or higher, Enterprise administration, including workstation and server
  • Familiar with High Performance Computing (HPC) and Load Balancing for various applications

Clearance Requirements:
  • Must have the ability to obtain and maintain an active US Government Secret Security Clearance
  • Uncleared candidates will be required to obtain an interim secret security clearance to start

Physical Requirements:
  • The person in this position must be able to remain in a stationary position 80% of the time.
  • Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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