Windows & Linux Systems Administrator— Enterprise Infra Lead

MANTECH; Hanover (MD); On-site; USD 90,000 - 120,000; Full time

Job summary

MANTECH is seeking a motivated Windows/Linux Systems Administrator to join our team in Hanover, MD. The role supports enterprise IT capabilities for a global workforce and collaborates with customers, IPTs, and vendors to implement and sustain advanced EIT capabilities.

Responsibilities include daily operations, monitoring, and troubleshooting of Windows and Linux environments, plus Tier 1–2 support and coordination with management and customers.

Qualifications

• Bachelor's degree in a technical discipline with 10 years’ experience as a Systems Administrator OR five additional years’ experience may substitute 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

Responsibilities

• Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for all 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.
• Provide support for escalation and communication of status to agency management and internal customers.

Skills

Windows 11

Linux (Ubuntu/Fedora)

PowerShell scripting

DNS/DHCP

Active Directory & GPO

Remote Desktop Services

Hyper-V

Juniper networking

Troubleshooting

Splunk

Zabbix

Syslog-ng

Education

Bachelor's degree in a technical discipline

Tools

Cisco networking

Dell networking

Job description

MANTECH is seeking a motivated Windows/Linux Systems Administrator to join our team in Hanover, MD. The role supports enterprise IT capabilities for a global workforce and collaborates with customers, IPTs, and vendors to implement and sustain advanced EIT capabilities.

Responsibilities include daily operations, monitoring, and troubleshooting of Windows and Linux environments, plus Tier 1–2 support and coordination with management and customers.