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Senior Cyber Analyst / Network System Administrator - Nalley Consulting
Systems Engineer
Senior cyber analyst responsible for securing Air Combat Command networks, operating firewalls, monitoring SIEM alerts, and leading incident response while managing Windows and Linux systems in a high‑clearance environment.
About the role
Key Responsibilities
- Monitor and analyze network traffic using SIEM tools to detect and respond to security incidents.
- Configure, maintain, and troubleshoot firewalls, routers, and other perimeter security devices.
- Perform vulnerability assessments and remediation planning for Windows and Linux servers.
- Provide tier‑2/3 support for network and system administration, ensuring compliance with DoD security policies.
- Collaborate with the CISO office to develop and enforce security baselines, hardening guides, and incident response playbooks.
- Document findings, produce technical reports, and brief senior leadership on threat posture.
Requirements
- Active TS/SCI clearance with ability to pass a polygraph.
- Master’s degree in Cybersecurity, Information Technology, Computer Science, or equivalent experience (15 years total).
- 5+ years of hands‑on experience in network security, firewall administration, and SIEM monitoring.
- Strong knowledge of TCP/IP, routing protocols, Windows Server, Linux, and vulnerability management tools.
- Proven incident response experience in a DoD or high‑security environment.
Skills
network securitysiem