Description Network Security AdministratorPosition SummaryThe 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. The specialist will be a key contributor to incident response, threat mitigation, and continuous improvement of security controls.
Key ResponsibilitiesFirewall & Network Security Administration- Configure, manage, and maintain Next-Generation Firewalls (NGFW), including policies, objects, NAT rules, App-ID, User-ID, threat prevention profiles, and Remote access VPN, ACL's, IDS/IPS policies.
- Perform regular firewall rule reviews, cleanup, and optimization to improve performance and reduce risk.
Security Operations & Monitoring- Monitor network security alerts, traffic anomalies, and firewall logs using vendor specific tools, SIEM platforms, and packet capture utilities.
- Investigate and remediate network-based security incidents, coordinating with SOC or incident response teams as necessary.
- Perform security event correlation and escalation following established SOPs.
Network Infrastructure Support- Support secure network connectivity across data centers, branch sites, cloud environments, and remote access solutions.
- Troubleshoot layer 2/3 issues related to routing, switching, VPN tunnels, and connectivity impacts to security appliances.
- Assist in deploying secure architectures for new network builds, migrations, and cloud integrations.
Requirements Position requirements Overtime, frequency depends on business needs and support requirements for production infrastructure
On call availability, PC equipment & access provided for quick response to incidents, anytime; providing support, troubleshooting & resolve remote or on-site
Weekend and or adjusted shift required to execute & verify system changes for the application, Application hardware or software
- Open office environment, align with all plant policies and all required training
- On-Site current requirements are four days on-site with one day as remote capable if desired, 40+ hours weekly.
Required Qualifications3-7 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).
Preferred Qualifications- 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 Google Cloud Platform.
- Scripting experience (Ansible, Python, PowerShell, or similar) for automation is a plus.
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