Find & Apply For Network / Systems Administrator Jobs in Aiken, South Carolina

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.

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. 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.