Network/System Administrator (Expert)

What you will be doing:

• Configure, manage, and troubleshoot routers, switches, firewalls, and load balancers across LAN, WAN, and data center environments.
• Implement and maintain routing protocols such as OSPF, EIGRP, and BGP to ensure secure, efficient, and redundant traffic flow across enterprise networks.
• Design and manage VLANs, trunking, link aggregation, and port security configurations to maintain segmentation, performance, and network resiliency.
• Manage and allocate IP address space, maintaining detailed documentation and ensuring efficient IP utilization across all networks.
• Monitor network performance and availability, proactively addressing bottlenecks, latency, and congestion using enterprise monitoring tools.
• Install, terminate, and troubleshoot facility and network cabling to ensure proper connectivity and signal integrity.
• Install, configure, and maintain physical and virtual servers, including operating system deployment, patch management, and resource optimization.
• Administer enterprise infrastructure services including Active Directory, DNS, DHCP, Group Policy, file/print services, and certificate authorities.
• Install, configure, and maintain Virtual Desktop Infrastructure (VDI) environments, managing profile persistence, resource pooling, and user access control policies.
• Perform system and data backups, restore operations, patching, and recovery testing to ensure operational continuity and data integrity.
• Develop and maintain system documentation, technical baselines, configuration guides, and SOPs for standardized and secure deployments.
• Implement DISA STIGs, DoD hardening guides, and security controls across network and system components to maintain compliance with RMF and cybersecurity requirements.
• Coordinate with ISSOs, ISSMs, and cybersecurity personnel to support RMF accreditation, vulnerability remediation, POA&M tracking, and audit responses.
• Support insider threat and data loss prevention initiatives by applying appropriate system-level and network-level monitoring and controls.
• Lead root cause analysis and resolution of complex technical issues affecting system performance or availability, documenting solutions and lessons learned.
• Maintain configuration documentation including IP address management records, network topology diagrams, and server build standards.
• Maintain version control for configurations and system images to enable rollback, rapid recovery, and consistent baseline enforcement.
• Track asset inventory, hardware lifecycles, and software license renewals to ensure accurate accountability and resource availability.
• Ensure continuity of operations by implementing redundancy, failover mechanisms, and participating in contingency and COOP exercises.
• Monitor system and network health using enterprise tools and analytics platforms, assessing performance metrics and identifying improvement opportunities.
• Provide capacity planning, scalability assessments, and infrastructure recommendations to enhance reliability and mission performance.
• Develop and deliver system performance reports, risk assessments, and technical status summaries for leadership review.
• Collaborate with engineering, logistics, and cyber teams to integrate network and system changes while maintaining secure and stable operations.
• Provide Tier II/III escalation support and expert troubleshooting for user, network, and system issues.
• Provide after-hours and surge support during mission operations, inspections, or contingency events.
• Serve as a property custodian in accordance with DoDI 5000.64, DAFI 23-111, and AFMAN 17-1203, maintaining accountability for assigned equipment.

What you will need:

• TS/SCI Clearance Security Clearance
• Minimum 7 or more years of progressively responsible experience managing network and system infrastructure in DoD or similar mission-critical environments.
• Master’s degree in Information Technology, Computer Science, or a related field, or an equivalent combination of education and experience.
• Must meet position and certification requirements outlined in DoD 8140 for the System Administrator or Network Operations Specialist role (Advanced Level) within six months of hire.

Other requirements:

• Will provide after-hours support as required to maintain operational readiness. Provide support for exercises, contingencies, and real-world operations. Demonstrated proficiency in enterprise monitoring tools, virtualization platforms (e.g., VMware, Hyper-V), and configuration management utilities. Strong knowledge of DoD network architectures, DISA standards, and enterprise-level troubleshooting procedures.