Job Summary:
Cape Fox Shared Services is seeking a highly organized and motivated Network and Computer Systems Administrator-SME Systems Administrator IV to support a federal government client. The Senior Systems Administrator will be responsible for advanced enterprise server administration, infrastructure management, and systems engineering support, ensuring high availability and security compliance across the computing infrastructure.
Responsibilities:
• Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system
• Monitor the network to ensure network availability to all system users and may perform necessary maintenance to support network availability. May monitor and test website performance to ensure websites operate correctly and without interruption
• May assist in network modeling, analysis, planning, and coordination between network and data communications hardware and software
• May supervise computer user support specialists and computer network support specialists. May administer network security measures
• Administer, maintain, and optimize Windows Server (2016/2019/2022) and Linux (RHEL/CentOS) server environments supporting the government mission
• Manage Active Directory (AD) infrastructure, including domain controllers, organizational units, user/group accounts, trust relationships, and Group Policy Objects (GPOs) to enforce security policies and operational standards
• Design, implement, and maintain Group Policy configurations to ensure consistent security baselines, software deployment, and user environment management across the enterprise
• Plan and execute server patching cycles in accordance with DoD Information Assurance Vulnerability Management (IAVM) requirements, ensuring timely application of security updates and compliance with STIGs
• Implement and manage backup and disaster recovery solutions, including scheduling, validation, testing, and documentation of recovery procedures to ensure data integrity and business continuity
• Deploy and maintains enterprise monitoring tools to proactively identify system performance issues, capacity constraints, and potential failures before they impact mission operations
• Perform server hardware and virtual infrastructure management, including VMware vSphere/ESXi or Hyper-V environments
• Troubleshoots complex system issues across multi-platform environments, performing root cause analysis and implementing permanent corrective actions
• Develops and maintains system documentation, including standard operating procedures, network diagrams, configuration baselines, and disaster recovery plans
• Supports cybersecurity compliance activities, including Security Technical Implementation Guide (STIG) application, vulnerability remediation, and participation in Risk Management Framework (RMF) authorization processes
• Coordinates with network administrators, database administrators, and application support teams to ensure seamless integration and interoperability of enterprise systems
• Provides Tier III technical support and escalation resolution for complex server and infrastructure issues
• Mentors junior systems administrators, providing technical guidance and knowledge transfer to build team capability
Qualifications:
Required:
• Highly organized and motivated
• Advanced enterprise server administration experience
• Infrastructure management experience
• Systems engineering support experience
• Design, deployment, maintenance, and optimization of Windows and Linux server environments
• Ensuring high availability, security compliance, and operational readiness across computing infrastructure
• Technical subject matter expert experience
• Mentorship experience to junior staff
• Collaboration with network, cybersecurity, and application support teams
• Install, configure, and support local area network (LAN), wide area network (WAN), and Internet systems
• Monitor network availability to all system users
• Perform necessary maintenance to support network availability
• Assist in network modeling, analysis, planning, and coordination
• Supervise computer user support specialists and computer network support specialists
• Administer network security measures
• Administer, maintain, and optimize Windows Server (2016/2019/2022) and Linux (RHEL/CentOS) server environments
• Manage Active Directory (AD) infrastructure
• Design, implement, and maintain Group Policy configurations
• Plan and execute server patching cycles in accordance with DoD Information Assurance Vulnerability Management (IAVM) requirements
• Implement and manage backup and disaster recovery solutions
• Deploy and maintain enterprise monitoring tools
• Perform server hardware and virtual infrastructure management
• Troubleshoot complex system issues across multi-platform environments
• Develop and maintain system documentation
• Support cybersecurity compliance activities
• Coordinate with network administrators, database administrators, and application support teams
• Provide Tier III technical support and escalation resolution
• Mentor junior systems administrators
Company:
Cape Fox Shared Services provides enterprise support to companies within the Cape Fox Corporation family of subsidiaries. Founded in , the company is headquartered in Chantilly, Virginia, US, , with a team of 201-500 employees. The company is currently Growth Stage.