Network Security Administrator

Optomi, in partnership with a IT Consulting Organization, is seeking an experience Network Security Administrator.

About the Position / Current Initiatives: The Network Security Administrator is responsible for protecting the organization’s network infrastructure through proactive monitoring, configuration, and management of next-generation firewalls and related security technologies. This role focuses heavily on NGFW Next-Generation Firewalls, ensuring secure and reliable connectivity across enterprise environments.

What the responsibilities are of the right candidate:

• Configure, manage, and maintain Next-Generation Firewalls (NGFW).
• Perform regular firewall rule reviews and optimizations.
• Monitor network security alerts and investigate incidents.
• Support secure network connectivity across various environments.
• Maintain accurate documentation and assist with compliance activities.

Job Must Haves:

• 3–7 years of experience in network security operations or firewall engineering
• Hands-on experience with Next-Generation Firewall NGFW and site-to-site/remote access VPNs
• Strong understanding of IP networking (TCP/IP, routing, switching, VLANs, BGP/OSPF, NAT)
• Experience with log analysis, packet captures, and troubleshooting tools (e.g., Wireshark)
• Knowledge of threat prevention technologies (IDS/IPS, URL filtering, DNS security, malware analysis)

Job Nice to Haves:

• Relevant certifications such as NGFW brand specific certifications, CCNP Security, CCNA Security (Cisco), Security+, CySA+, CEH, or GSEC
• Experience with SIEM tools (Splunk, Sentinel, QRadar)
• Familiarity with cloud security for Azure, AWS, or GCP
• Scripting experience (Ansible, Python, PowerShell, or similar) for automation