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Provided by the employer
Verified Pay check_circle $110000 - $130000 per year
Hours Full-time
Location 830 Chisholm Ave
Jessup, Maryland open_in_new

About this job

Job Description

Job Description

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

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

What We’re Looking For

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

Nice to Have

  • SCCM/MECM experience.
  • Cisco networking, VLAN, TCP/IP, and subnetting experience.
  • Experience supporting 24/7 or high-availability operational systems.
  • Microsoft Windows Server certifications.
\nCompany Description

At RJM Technologies, we believe great people deserve great opportunities. Since 2004, we've helped companies find talented professionals they might otherwise overlook, and helped those professionals find work where their skills and contributions are valued. We take a personal approach to recruiting, getting to know the people behind the resumes and building relationships that last well beyond the hiring process.

Company Description

At RJM Technologies, we believe great people deserve great opportunities. Since 2004, we've helped companies find talented professionals they might otherwise overlook, and helped those professionals find work where their skills and contributions are valued. We take a personal approach to recruiting, getting to know the people behind the resumes and building relationships that last well beyond the hiring process.

Nearby locations

Posting ID: 1305792194 Posted: 2026-10-23 Job Title: Systems Administrator Clear