Firewall/Network Security Administrator

SUMARIA SYSTEMS LLC•San Antonio, TX

2d•Onsite

About The Position

The qualified candidate will support the Air Force Intranet Control (AFINC) III program supporting the 26th Network Operations Squadron (26 NOS) and enterprise Air Force network boundary operations at Joint Base San Antonio (JBSA), TX. This position supports the defense, monitoring, maintenance, and operational sustainment of Air Force enterprise boundary protection systems in support of mission-critical Department of Defense (DoD) network operations. The candidate will provide operational support for enterprise boundary security infrastructure, including firewalls, intrusion detection/prevention systems, proxy services, and related network security technologies protecting Air Force network resources from internal and external threats. The position operates within a highly dynamic enterprise environment supporting Department of Defense Information Network (DODIN) operations and Defensive Cyber Operations (DCO). This role is ideal for candidates with a strong networking foundation and an interest in advancing into enterprise network security and boundary protection operations. The environment is operationally focused and requires strong troubleshooting ability, accountability, critical thinking, and collaboration within a highly integrated technical team. This position operates within a 24x7x365 mission environment and requires adherence to established cybersecurity policies, procedures, and operational standards.

Requirements

Minimum 5+ years of experience in enterprise network security or cybersecurity operations
At least 5+ years of experience supporting DoD boundary protection and/or Cybersecurity Service Provider (CSSP) operations
Demonstrated experience with: Firewalls, IDS/IPS, proxies, and load balancers
Demonstrated experience with: Network security monitoring and threat detection
Demonstrated experience with: Performing complex analytics to identify and mitigate threats
Experience supporting Defensive Cyberspace Operations (DCO) and DoDIN operations
Strong understanding of DoD cybersecurity standards and enterprise network security architecture
Active Top Secret clearance required
SCI eligibility required
IAT Level II compliant certification (e.g., CompTIA Security+)

Nice To Haves

Palo Alto Networks Certified Network Security Administrator (PCNSA)
Palo Alto Networks Certified Network Security Engineer (PCNSE)

Responsibilities

Install, configure, monitor, troubleshoot, upgrade, patch, and harden: Firewalls, IDS/IPS systems, Load balancers, Web proxies
Protect AFNet resources from internal and external threats in accordance with DoD standards
Perform advanced analytics on boundary protection systems to detect and mitigate threats
Conduct Defensive Cyberspace Operations (DCO) and support DoDIN operations
Monitor system health and respond to anomalous activity and cyber incidents
Ensure systems comply with DoD cybersecurity requirements and security configurations
Document system changes, troubleshooting actions, and incident response activities
Coordinate with Government stakeholders and other technical teams to maintain mission readiness