Network Administrator Senior

Govcio LLC

1d•$105,000 - $126,000•Hybrid

About The Position

GovCIO is currently hiring a Senior Network Administrator to manage secure network operations in support of the U.S. Coast Guard. This hybrid role is based in Alexandria, VA and requires significant on-site presence to ensure mission-critical network availability, security compliance, and performance optimization.

Requirements

Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field (or commensurate experience).
Minimum 6-9 years of progressive experience in network administration within DoD or federal environments.
Clearance Required: Active Secret clearance.
Bachelor's degree (or commensurate experience)and 8 years of experience
Current DoD 8570 IAT Level II certification (e.g., CompTIA Security+ CE, CySA+, CCNA Security, GSEC).
Expert-level experience with Cisco routers (39xx, 4xxxx, 8K), switches (29xx, 38xx, 9K), and firewalls (55xx and above).
Minimum 3 years of hands-on experience with TACLANEs (KG-175D/F/N/G) and GEM management console at a configuration and engineering build level.
Strong knowledge of DoD STIGs, RMF processes, and DISA security standards.
Proven ability to lead network hardening, vulnerability remediation, and accreditation efforts.

Nice To Haves

US Coast Guard experience highly preferred.
Experience with Cisco ISE, DoD Zero Trust implementation, and Infoblox DNS.
Expertise in designing robust, redundant, and failover TACLANE networks.
Experience working directly with senior government leadership or military officials.
Strong interpersonal, problem-solving, and time management skills.

Responsibilities

Administer and maintain NIPRNet and SIPRNet network infrastructure, including routers, switches, firewalls, TACLANEs, and ensuring compliance with DoD and DISA security standards.
Implement and enforce security configurations and hardening across network devices, network support servers and endpoints in accordance with STIGs and RMF requirements.
Review vulnerability scans (e.g., ACAS, SCAP), analyze findings and remediate security issues to maintain system accreditation.
Develop and maintain detailed network documentation, including architecture diagrams, configuration baselines and change control records.
Support RMF lifecycle activities by preparing and updating accreditation artifacts such as System Security Plans, POA&Ms, and eMASS entries.
Monitor system performance and security alerts; troubleshoot connectivity, authentication and configuration issues within classified environments.
Collaborate with cybersecurity teams, system engineers and program leadership to align network resources with mission requirements.
Participate in technical reviews and change control boards; provide expert recommendations on design modifications and security posture improvements.
Stay current with emerging technologies, DoD cybersecurity mandates, and best practices for classified network operations.