Network Administrator, Intermediate

The Savannah River National Laboratory is seeking a skilled and driven Network Engineer to join a high-performing team supporting mission-critical Department of Energy (DOE) networks. In this role, you will support a secure, enterprise-grade infrastructure delivering network services across classified environments. You’ll operate within a dynamic, cross-functional team that supports national security initiatives, while maintaining the integrity, availability, and confidentiality of sensitive systems and information.

This role is well-suited for technically capable individuals who thrive in structured, fast-paced environments and are committed to supporting the missions of DOE and its federal partners.

• Perform installation, configuration, and maintenance of Cisco and Juniper routers, switches, and other networking hardware across LAN/WAN and CAN environments.
• Manage and troubleshoot High Assurance IP Encryptors (HAIPE), including KG-175, KG-245X, and KG-250X devices.
• Support deployment and diagnostics of long-haul circuits, fiber infrastructure, and classified voice and data systems.
• Conduct root-cause analysis and rapid response during mission-impacting incidents; restore services with minimal downtime.
• Maintain compliance with COMSEC procedures, including lifecycle management of cryptographic key material.
• Create and maintain documentation of network configurations, diagrams, and system procedures.
• Actively participate in knowledge sharing, peer training, and mentoring activities to sustain team readiness and effectiveness.

Minimum Qualifications:

• BS/BA + 4-6 yrs or equivalent relevant experience will be considered
• Minimum of 3 years of experience supporting secure network environments in a federal, military, or classified capacity.
• For ability to obtain and maintain a security clearance, US Citizenship is Legally Required
• CompTIA Security+ certification (or equivalent IAT Level II per DoD 8570.01-M).
• Hands-on expertise in TCP/IP networking, routing protocols (OSPF, BGP, EIGRP), and Layer 2/3 infrastructure.
• Proven experience working with cryptographic devices and adherence to classified handling protocols.

Preferred Qualifications:

• Active DOE Q clearance or eligibility for crossover from a TS/SCI clearance with polygraph.
• Experience supporting DOE, NSA, or military network operations.
• Working knowledge of McAfee firewall appliances and enterprise monitoring tools such as HP Node Manager.
• Strong understanding of COMSEC compliance requirements and procedures.
• Journeyman Internetworking Technician or Network Operations Specialist.