System Administrator

System Administrator

Requirements

• Bachelor’s degree in a technical discipline (4 years of additional experience may substitute)
• 20+ years of experience as a System Administrator on programs of similar scope and complexity
• 8+ years of experience with IT Service Management (ITSM)
• DoD 8570 IAT Level III certification (e.g., CASP+, CISSP, or equivalent)
• Computing Environment (CE) Certification (Microsoft OS, CentOS, or Red Hat OS)
• ITIL 4 certification

Responsibilities

• Oversee and support the implementation, configuration, maintenance, and troubleshooting of enterprise IT systems
• Manage the operation and configuration of server, storage, and network systems, including mobile device environments
• Deliver Tier 1 through Tier 3 support, including advanced issue escalation and root cause analysis
• Provide detailed technical feedback and reporting to agency leadership and internal customers
• Lead system account management, ensuring full compliance with ICAM policies
• Implement and document security patches (IAVA) and maintain system-of-record accuracy
• Conduct in-depth analysis for system capacity planning and performance optimization
• Configure and manage UNIX, Linux, and Windows operating systems; apply enhancements to improve reliability and efficiency
• Work with ISSOs and ISOs on change and configuration management processes
• Track and report progress of POA&M milestones, supporting accreditation and security authorization activities
• Troubleshoot complex integration issues involving server hardware, mission applications, and middleware
• Design and support mission architectures and associated hardware platforms
• Understand and address dependencies within Service-Oriented Architecture (SOA) environments
• Apply working knowledge of mission islands, Trusted Thin Client, and enhanced Virtual Desktop Infrastructure (VDI) environments, including GPU and memory scaling
• If assigned to Directory Services TTOs, administer and support: Active Directory, DNS, Group Policy, Identity Management, Active Roles Server, Privileged Access Management (PAM), SCCM, and MS Exchange

Preferred Qualifications

• Deep familiarity with federal cybersecurity frameworks and secure enterprise IT environments
• Advanced knowledge of systems design, hardware/software integration, and interdependent system relationships
• Strong communication skills and the ability to liaise across technical and management teams
• Proven leadership in managing classified system environments with high availability and mission-critical demands