Salary: £35,000 - 75,000 per year Requirements: Bachelors degree or equivalent education and experience Proven experience as a Firewall Engineer or Network Security Engineer Strong knowledge of firewall platforms such as Palo Alto, Cisco, or Juniper Experience with VPNs, IDS/IPS, and network protocols (TCP/IP, DNS, HTTP/S, etc.) Familiarity with security standards such as ISO 27001, NIST, or PCI-DSS is a plus Relevant certifications such as CISSP, CCNP Security, Palo Alto PCNSE preferred Excellent problem-solving skills and attention to detail Strong communication and documentation skills Currently possess SC clearance (Mandatory) Skilled in time, priority, and task management Ability to work independently and collaboratively within a team Professional demeanor with confidence in handling technical issues Willingness to travel as requested (infrequent) Availability for on-call work, including weekends or shifts as needed Responsibilities: Design, deploy, configure, and maintain firewall infrastructure (e.g., Palo Alto, Cisco, Juniper) Monitor firewall performance and analyze security logs to detect and respond to security incidents Implement firewall rules, policies, and access control lists (ACLs) based on organizational security requirements Collaborate with network, security, and IT teams to ensure seamless integration of firewall systems Conduct firewall rule reviews, audits, and compliance checks regularly Troubleshoot and resolve firewall-related issues promptly to minimize downtime Stay updated with the latest security threats and firewall technologies to recommend improvements Document firewall configurations, changes, and procedures for audit and knowledge sharing Participate in incident response and disaster recovery planning related to firewall infrastructure Technologies: Cisco Firewall HTTP Network Security TCP/IP Support More: We are seeking a skilled Firewall Engineer for a senior Network Engineering role located in one of our DXC regional delivery centers in Glasgow. This is a hybrid position requiring at least two days onsite coverage, with a focus on project delivery for UK Secure accounts. Our ideal candidate will possess in-depth knowledge of firewall technologies and network security principles, ensuring robust defense against cyber threats. We offer a dynamic work environment where you can collaborate with talented professionals and continue to grow your skills in a challenging, multi-vendor landscape. last updated 10 week of 2026