Senior Network Administrator
Govcio
Alexandria, VA · Posted October 5, 2026
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Where Alexandria, VA ranks
Where Alexandria, VA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best all-round cities for new graduates in the Mid-Atlantic69 / 100 · of 37
- #4Best cities for government pay after cost of living$139k · of 18
- #5Cities with the most hybrid jobs in the Southeast16% · of 84
- #6Best all-round cities for new graduates in the Southeast62 / 100 · of 33
- #7Best cities for pay after cost of living in Virginia$139k · of 15
- #8Best all-round cities for new graduates65 / 100 · of 100
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among network and computer systems administrators, AI is already used for a large share of the tasks. Measured exposure for network and computer systems administrators: 34% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
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.
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.
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.