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# Windows/Linux Systems Administrator

- **Company:** Mantech International Corporation
- **Location:** Hanover, MD, United States
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Ubuntu (Operating System), Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Hyper-V, Networking Hardware, Windows PowerShell, Remote Desktop Services, Software Engineering, Syslog, Zabbix, Computer Networking Systems, Juniper, Information Technology, Splunk, Cisco, Fedora
- **Published:** August 11, 2026
- **Apply:** https://www.dice.com/job-detail/2e99c55b-36c8-4204-9bdc-a6fdafb32c3e

## About the Role

* Bachelor?s degree in a technical discipline with 10 years? experience as a Systems Administrator OR five 5 additional years? experience as a Systems Administrator may be substituted for a bachelor?s degree.
 * Experience with Windows 11
 * Linux experience with Ubuntu or Fedora
 * Networking experience with Juniper
 * Experience with DNS, DHCP, Active Directory including Group Policy, Remote Desktop Services, and Hyper-V
 * Experience with PowerShell scripting, * Experience with Cisco and Dell networking systems
 * Ability to upgrade code on Cisco and Juniper switches
 * Strong Windows and Linux troubleshooting skills with hardware and software issues
 * HP Device Manager (understanding of RMM tools would be sufficient)
 * Experience with Splunk, Zabbix, Syslog-ng

Clearance Requirements:

 * Must possess and maintain a current/active TS/SCI clearance with Polygraph

Physical Requirements:

 * Must be able to remain in a stationary position 50% of the time
 * Occasionally moves about inside the office to access file cabinets, office machinery, etc.
 * Frequently communicate with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

## Description

You will play a critical role in supporting the enterprise infrastructure capabilities for a global, mission-focused workforce. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO?s Enterprise Information Technology (EIT), the foundation for enterprise-wide services. As a Windows/Linux Systems Administrator, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities., * Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for all the client/server/network devices.

 * Manages IT system infrastructure, configuration, operation, and any processes related to the Windows and Linux systems.
 * Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, and diagnosis.
 * Provides support for the escalation and communication of status to agency management and internal customers.


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