NOC / Firewall Engineer

  • 4Square Recruitment Ltd
  • Leeds, Yorkshire
  • 08/09/2025
Full time Information Technology Telecommunications Python

Job Description

NOC / Firewall Engineer - Network Security Leeds / Hybrid £35-50k DOE

Hours: 8am - 4.30pm / 9.30am - 6pm

Following probation 1 week in 4 you will be required to be on call 6pm - 8am (home based) where you will receive additional remuneration overtime. This includes weekends.

About the Role

Join a 24/7 Network Operations Center (NOC) as a NOC/Firewall Engineer, where you'll be the frontline defender of client network security. This hands-on role is perfect for a detail-oriented engineer who thrives on troubleshooting firewalls, optimising policies, and resolving critical incidents across Check Point, Fortinet, and Palo Alto environments.

Key Responsibilities

? Firewall Management: Configure, monitor, and troubleshoot firewalls (rules, NAT, VPNs) for global clients.? Incident Response: Investigate alerts, resolve connectivity/performance issues, and escalate per SLAs.? Security Policies: Implement and audit firewall rulesets to mitigate risks.? Collaboration: Work with SOC and engineering teams to resolve complex threats.? Documentation: Log changes/actions in ticketing systems (e.g., ServiceNow) and update clients.? Onboarding: Integrate new client devices into our managed services platform.

Tech You'll Work With

Firewalls: Check Point (R80.x), Fortinet (FortiGate), Palo Alto (PAN-OS). Networking: TCP/IP, VPNs, VLANs, BGP/OSPF, DNS.? Cloud: AWS/Azure security (optional but desirable). Tools: Panorama, FortiManager, Wireshark, Splunk.

Skills & Experience

? Must Have:

  • 2-4+ years in firewall/network operations (NOC, MSP, or enterprise).
  • Expertise in Check Point/Fortinet/Palo Alto (one or more).
  • Strong grasp of routing, NAT, and traffic flow analysis.
  • Customer-facing support experience.

? Nice-to-Have:

  • Certifications: CCSA, PCNSE, NSE4/5.
  • Scripting (Python/Bash) or automation (Ansible, Terraform).
  • ITIL/cloud security knowledge.