
Network Security Administrator (Columbus)
Optomi, Columbus, OH, United States
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
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