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Senior Network Administrator

Govcio LLCAlexandria, VA🇺🇸United StatesPosted Oct 11, 2026

Quick Overview

Salary
$95k - $115k/yr
Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Alexandria, VA, United States
Posted
2 days ago
DNSZero Trust

Job Description

Overview:

GovCIO is currently hiring a highly experienced Senior Network Administrator to serve as the technical authority for secure network infrastructure supporting a mission-critical U.S. Coast Guard (USCG) program. This position is located in Alexandria, VA and will be a hybrid position. This position focuses on administering, maintaining, and hardening high-security systems to ensure USCG operational readiness and continuous compliance with federal standards.

Responsibilities:

The Senior Network Administrator will handle the technical administration and security enforcement of classified systems. Core responsibilities include:

  • 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.
Qualifications:

High School with 9+ years (or commensurate experience)

Required Skills & Experience 

  • Certifications: Current DoD 8570 IAT Level II certification (e.g., CompTIA Security+ CE, CySA+, CCNA Security, GSEC).
  • Bachelor's degree (or commensurate experience) and 8 years of experience.
  • 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.

Clearance Level: Must have an active Secret clearance

Preferred Skills & Experience

  • 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.
Posted Salary Range: USD $95,000.00 - USD $115,000.00 /Yr.

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