4Square Recruitment Ltd

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.

Cybersecurity Specialist (ISO 27001 & Risk Compliance) Location: Guildford - Hybrid Employment Type: 12 month contract Rate: £450-475 per day INSIDE IR35 About the Role We're seeking a proactive Cybersecurity Specialist to safeguard company data, infrastructure, and services by ensuring adherence to security best practices and maintaining critical accreditations (e.g., ISO 27001). You'll collaborate with IT and business teams to embed security into workflows, manage risks, and respond to incidents-all while driving continuous improvement in our systems. Key Responsibilities SIEM Management: Monitor and optimize Security Information and Event Management (SIEM) tools like Splunk. Firewall & Proxy Audits: Review configurations and coordinate changes with infrastructure teams. Incident Response: Act as part of the Cyber Security Incident Response Team (CSIRT) to address threats. Compliance: Ensure alignment with ISO 27001, and other security standards. Risk Management: Maintain risk frameworks and produce assurance documentation. Secure by Design: Partner with project teams to integrate security requirements early in development. Threat Intelligence: Research emerging threats and mitigation strategies. Testing & Audits: Oversee penetration tests and security audits. Policy Development: Keep security policies and staff training programs up to date. Requirements Essential: Degree in Computing or related field. Proven experience in cybersecurity, SIEM tools (e.g., Splunk), and ISO 27001 compliance. Knowledge of Microsoft OS, cloud security (Azure/AWS), and risk management. Strong communication skills to engage stakeholders at all levels. Desirable: Certifications like MCSE, CCNA, or Splunk ES expertise. Experience with Secure by Design principles and staff security training.