Network/ Firewall Engineer

DXC Technology is committed to building diverse, inclusive teams. We welcome applications from all backgrounds and particularly encourage interest from women, underrepresented groups, and neurodivergent candidates. We offer reasonable adjustments throughout the hiring process and are dedicated to creating a supportive, accessible environment for everyone.

Location - The position is a Hybrid working Senior Network Engineering role with minimum 2 days site-based in one of the DXC regional delivery centres in Glasgow or Newcastle. Expectation is the successful candidate will cover project delivery on UK Secure accounts.

Clearance – SC & sole UK National

Job Summary: We are seeking a skilled Firewall Engineer to design, implement, manage, and troubleshoot firewall solutions in a large multi-vendor/multi-site environment for a DXC Customer. The ideal candidate will have in-depth knowledge of firewall technologies, network security principles, and best practices to ensure robust defence against cyber threats. The role focus will cover Firewall and Security infrastructures, with a key focus on Palo Alto, Cisco, Juniper and Tufin product portfolios. Expectation is the successful candidate will have proven work experience in a challenging, multi-vendor environment working as part of a team delivering both project engineering and support functions.

Key Responsibilities:

• Design, deploy, configure, and maintain firewall infrastructure (e.g., Palo Alto, Cisco, Juniper).
• Monitor firewall performance and analyse 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.

Qualifications:

• Bachelor's degree or equivalent education and experience.
• Preferred: Bachelor’s degree in engineering, computer science, information systems, cybersecurity or related field.
• 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).

Other Qualifications:

• Strong analytical and problem-solving skills.
• Skilled in time, priority, and task management.
• Effective communication skills for interaction with customers and team members.
• Ability to work independently and collaboratively within a team.
• Capable of managing competing priorities in complex environments.
• Professional demeanour with confidence in handling technical issues.
• Willingness to travel as requested (Infrequent).
• Availability for on-call work, including weekends or shifts as needed.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritises in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.