Network Administrator
Core
Ensure confidentiality, integrity, and availability of classified networks; enforce information systems security programs, policies, and tools for classified and unclassified information.
Role type
Senior IC security engineer (classified networks)
Builds
Secure network architectures, Zero Trust environments, and cloud security frameworks for classified systems
Domain
Defense / Classified Information Systems
Required skills
Security+ certification, DoD Secret/Top Secret clearance, large-scale security leadership, secure network architecture design, Zero Trust implementation, cloud security (AWS/Azure/GCP), regulatory compliance (NIST 800-53/171, ISO 27001, CMMC, SOC 2), incident response, root cause analysis, STRIDE/PASTA frameworks, SIEM (Splunk/Sentinel), EDR/XDR, firewalls, vulnerability scanning (Nessus/Qualys), OAuth/SAML/MFA, DevSecOps, CI/CD integration, SAST/DAST
Preferred skills
CISSP/CISSP-ISSEP/CASP+/CSSLP certifications, legacy-to-cloud migration, Cross-Domain Solutions, air-gapped networks, classified environments, security roadmap ownership, Python/Go/PowerShell, Terraform/Ansible, PKI, quantum-resistant encryption, HSM, advanced persistent threat simulation, ML/AI for anomaly detection
Technologies
AWS, Azure, GCP, Splunk, Sentinel, Nessus, Qualys, Terraform, Ansible, Python, Go, PowerShell
Responsibilities
Enforce information systems security programs and tools; analyze equipment and software reliability for vulnerability assessment; assess classified network usage and capabilities; conduct risk and vulnerability assessments; document findings from security audits and evaluations; serve as technical expert and point of contact for cybersecurity policies and accreditation; provide recommendations on security of processing, storage, retrieval, transmission, and access for classified information