Systems Administrator - GCCS-J - OCONUS

Leidos•Odenton, MD

5d•Onsite

About The Position

We are seeking an GCCS-J Systems Administrator to support the installation, configuration, administration, maintenance, and operational readiness of mission-critical systems within a Department of Defense (DoD)/ Department of War (DOW) environment located at Erbil Air Base. This role is responsible for managing enterprise IT infrastructure, supporting GCCS-J systems, implementing best practices, and ensuring system reliability, security, and performance across virtual environments. The ideal candidate will possess advanced technical expertise in Windows and Linux systems administration, PowerShell automation, DoD cybersecurity compliance, and GCCS-J operational support. This position requires strong troubleshooting capabilities, the ability to manage complex technical projects, and collaboration across multiple technical and operational teams in a deployed operational environment.

Requirements

Bachelor’s degree in Information Technology, Computer Science, Engineering, or related technical field. 8–12 years of relevant professional experience, or: additional experience in supporting mission-critical defense or command-and-control environments may be accepted in lieu of degree. Or, a Master’s degree with 6–10 years.
Active Top Secret (TS) clearance prior to start date.
Current DoD 8140 IAT Level II certification (Intermediate or Advanced), such as CompTIA Security+.
Minimum 5 years of IT and network administration experience within DoD environments.
2–5 years of experience supporting and analyzing GCCS-J systems.
Experience installing, configuring, and troubleshooting GCCS-J software and systems.
Strong experience working within Active Directory and DNS environments.
Hands-on experience with: Windows DHCP, Group Policy (GPO), PowerShell scripting and automation, Remote workstation and server management.
Experience conducting system audits and operational readiness evaluations.
Knowledge of DoD patch management and vulnerability remediation processes and tools.
Understanding of TCP/IP networking fundamentals.
Experience supporting Agile Client / Komodo environments and related middleware/application services.
Experience administering Linux / Red Hat Linux 8 systems.
Experience administrating VMware systems and services.

Nice To Haves

Advanced troubleshooting and systems integration experience across multi-domain infrastructures.
Previous overseas deployment or experience working in austere operational environments preferred.

Responsibilities

Install, configure, administer, maintain, and troubleshoot GCCS-J software and supporting infrastructure.
Support Windows 11 systems operating within DNS and Active Directory environments.
Perform system audits, readiness assessments, and pre-deployment system checkouts for GCCS-J platforms.
Monitor and maintain enterprise systems performance, identify anomalies, and resolve operational issues.
Implement DoD patch management and vulnerability remediation processes and tools.
Configure and manage Windows DHCP, Group Policy Objects (GPO), and PowerShell-based administration tasks.
Manage system backups, recovery operations, storage allocation, and infrastructure optimization.
Support and maintain Linux/Red Hat Linux systems and associated services.
Troubleshoot networking and connectivity issues utilizing a strong understanding of TCP/IP networking principles.
Support Agile Client / Komodo environments used for accessing GCCS-J services, including middleware and backend application services.
Coordinate with internal technical teams and stakeholders to implement system improvements and resolve technical challenges.
Ensure compliance with DoD cybersecurity and operational standards.