Network Administrator, Principal

Join a dynamic and consistently expanding program at GDIT! The US Battlefield Information Collection and Exploitation System eXtended (US BICES-X) is a leading-edge initiative directly supporting critical DoD intelligence information sharing addressing current and emerging global threats to mission partners, coalition forces, and developing nations. With a globally distributed team aligned with each combatant command, US BICES-X plays a vital role in supporting the warfighter and their missions. We are seeking a creative and highly motivated professional eager to tackle real-world challenges within a collaborative and fast-paced environment.

Responsibilities

• Oversee the lifecycle of a global multiplanar backbone and data center fabric, ensuring maximum service availability through rigorous hardware/software management and proactive system maintenance.
• Lead and enforce the integration of ITSM processes via ServiceNow, ensuring that incidents, service requests, and configuration changes are consistently documented.
• Maintain an up-to-date Configuration Management Database (CMDB), tracking rack elevations, port maps, and IP assignments for audit readiness and system accuracy.
• Configure and maintain network devices, including routers, switches, encryption devices, and related hardware, adhering to global infrastructure standards.
• Troubleshoot and resolve complex connectivity issues to maintain enterprise-wide data flow, ensuring service availability for critical operations.
• Implement and enforce configuration standards, including STIG compliance audits and proactive risk mitigation processes.
• Collaborate with cross-functional teams to transform high-level designs into operational physical and logical network infrastructure.
• Provide mentorship and technical support to mid-level and junior team members, instilling best practices and enforcing operational discipline.
• Develop and implement disaster recovery and rapid restoration procedures to maintain network resilience and reduce downtime.
• Monitor network performance to identify and resolve bottlenecks, enhancing data traffic flow and ensuring mission-critical capacity.
• Manage hardware logistics, including RMAs, vendor coordination, and spare parts inventory to minimize repair times.
• Serve as an on-call escalation point, delivering timely resolution of infrastructure issues.

Required Qualifications

• Active Secret security clearance (or higher).
• 10+ years of experience implementing, maintaining, and securing complex enterprise WAN/LAN environments.
• Bachelor’s degree in a technical field (e.g., Computer Science, Networking) or equivalent professional experience.
• Current professional certifications in networking and security, such as CCNA, Security+ CE, or equivalent.
• Expert-level knowledge of networking principles, including routing and switching protocols (OSPF, BGP, STP), and physical layer standards (fiber/copper/transceivers).
• Proficiency in administering and securing various network architectures that support enterprise-level voice, video, and data services.
• Experience administering and securing enterprise network architectures, supporting voice, video, and data services.
• Advanced knowledge of ServiceNow ITSM modules, including change, incident, and configuration management practices.
• Commitment to government security and experience working in regulated environments.
• Exceptional communication skills, capable of effectively articulating complex technical concepts to diverse audiences, including technical teams and leadership.

Preferred Qualifications

• Advanced certifications, such as Cisco CCNP or Juniper JNCIP.
• Experience with asset management and physical infrastructure planning, including rack-level design and documentation.
• Knowledge of virtualization technologies and their application to network services.
• Hands-on experience with firewall administration and ACL management.