Systems Administrator - Mission-Critical DoD Systems- Ft. Meade, MD

Systems Administrator – Mission-Critical DoD Systems- Ft. Meade, MD

Our client is seeking an experienced Systems Administrator to support mission-critical systems in a Department of Defense environment.

This is a hands-on role focused on Windows Server administration, Active Directory, virtualization, system security, and infrastructure modernization. We are specifically seeking someone who has supported systems in a mission-critical operational environment, such as DoD/DISA, SCADA/ICS, Operational Technology (OT), critical infrastructure, or a similar high-availability environment.

What You’ll Do

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• Administer, maintain, secure, and troubleshoot Windows servers, virtual machines, workstations, and endpoint systems.
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• Manage Windows Server, Active Directory, DNS, DHCP, Group Policy, and related Microsoft infrastructure.
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• Perform system hardening, DISA STIG implementation, patching, and vulnerability remediation.
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• Support systems operating in mission-critical, high-availability environments.
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• Plan and execute Windows Server upgrades, migrations, and modernization efforts.
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• Administer and troubleshoot VMware and/or Hyper-V environments.
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• Use PowerShell and command-line tools for administration, troubleshooting, and automation.
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• Monitor system availability, performance, capacity, and security.
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• Support backup, disaster recovery, COOP, and system recovery activities.
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• Troubleshoot Windows, hardware, software, virtualization, and network connectivity issues.
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• Maintain technical documentation, configurations, and operational procedures.
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What We’re Looking For

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• CompTIA Security+ CE certification.
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• Active DoD Secret or higher security clearance.
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• 4+ years of hands-on Windows Server administration experience.
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• Experience supporting systems in a mission-critical operational environment such as DoD/DISA, SCADA/ICS, OT, critical infrastructure, or a comparable environment.
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• Strong Active Directory and Group Policy experience.
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• Experience with Windows Server upgrades and migrations.
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• Experience with VMware and/or Hyper-V.
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• Experience with PowerShell.
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• Experience with DISA STIGs, system hardening, patching, and vulnerability remediation.
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• Strong systems and network troubleshooting skills.
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• Bachelor’s degree in a related technical field preferred; relevant experience may substitute.
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Nice to Have

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• SCADA, ICS, or Operational Technology (OT) experience.
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• SCCM/MECM experience.
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• Cisco networking, VLAN, TCP/IP, and subnetting experience.
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• Experience supporting 24/7 or high-availability operational systems.
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• Microsoft Windows Server certifications.
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