Network/Firewall Engineer

Job Description:

Firewall Engineer

Location - senior Network Engineering role in or around the Kent area. Expectation is the successful candidate will cover project delivery on UK Secure accounts.

Clearance – Must be eligible for UK high level clearance.

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.

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