
Job Title: Systems Admin- GCCS-J
Job Location: Iraq
Security Clearance: Top Secret
This position will support the GSMO program and is located at Erbil Air Force Base, Iraq.
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.
Key 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.
Required Qualifications
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
Preferred Qualifications
Advanced troubleshooting and systems integration experience across multi-domain infrastructures.
Previous overseas deployment or experience working in austere operational environments preferred.
Core Competencies
Advanced systems administration and infrastructure management
GCCS-J operational support
Cybersecurity compliance and vulnerability remediation
Automation and scripting
Systems performance monitoring and optimization
Technical problem solving and root-cause analysis
Cross-functional communication and collaboration
Project ownership and technical leadership
Work Environment
This position is based at Erbil Air Base and supports mission-critical operations in a highly secure, fast-paced deployed DoD environment. Candidates must be comfortable working in an overseas operational setting, supporting 24/7 mission requirements, and collaborating with military personnel, government civilians, and contractor teams. The role may require extended hours, on-call support, and adherence to deployment and security protocols.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
May 26, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range $92,300.00 - $166,850.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
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