Firewall Infrastructure Specialist

Join us as an Infrastructure Specialist in the Network Security Team, where you'll play a key role in supporting and maintaining firewall services that protect critical banking infrastructure.

This role focuses on operational excellence-delivering changes, upgrades, resolving incidents and problems, and ensuring compliance with security standards. You'll apply strong technical knowledge of Check Point firewalls, network security principles, and routing to diagnose and resolve complex incidents efficiently. In addition, you'll contribute to regular audits, vulnerability management, and maintain accurate documentation in Confluence.

You'll also manage backlog items in Jira and schedule changes through ServiceNow. Beyond day-to-day operations, you'll be involved in projects delivering new infrastructure, supporting migrations and automation initiatives to improve efficiency.

What you'll do

• Provide operational support for Check Point firewalls, including incident and problem resolution, change delivery, and technical guidance across Network Services.

• Contribute to audit, compliance, and vulnerability management activities, ensuring adherence to security policies and regulatory requirements.

• Maintain and update documentation in Confluence to support team processes and knowledge sharing.

• Manage backlog items in Jira and coordinate change scheduling through ServiceNow.

• Communicate effectively with other business areas to clarify requirements, provide updates, and ensure timely resolution of requests and incidents.

• Collaborate with team members to improve processes and service quality.

• Support automation initiatives where appropriate, leveraging scripting skills to enhance efficiency.

• Stay informed about network security trends and share insights with the team., Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities and we're committed to creating an environment in which everyone can thrive, learn and develop.

• You'll be CCSE/CCSA certified or have equivalent hands-on experience working with Check Point firewalls.
• Strong understanding of network security principles; familiarity with Cisco networking technologies (including Cisco ACI) is a plus.
• Experience working in large enterprise environments under strict change control processes.
• Familiarity with Jira, ServiceNow, and Agile methodologies.
• Excellent communication skills for explaining technical concepts to non-technical audiences and building strong relationships with other business areas.
• Ability to maintain accurate documentation and contribute to compliance activities.
• Knowledge of scripting (e.g., Python) and automation tools (Terraform, Ansible) is beneficial but not the primary focus.

It would be great if you also had

• Knowledge of regulated environments (e.g., Financial Services) is advantageous., Disability Confident About Disability Confident A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to .

We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and a dedicated Working with Cancer Initiative.

We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and working patterns. And, as a Disability Confident Leader, we guarantee interviews for a fair and proportionate number of applicants who meet the minimum criteria for the role with a disability, long-term health or neurodivergent condition through the Disability Confident Scheme.

We provide reasonable adjustments throughout the recruitment process to reduce or remove barriers. Just let us know what you need.

We also offer a wide-ranging benefits package, which includes:

• A generous pension contribution of up to 15%
• An annual performance-related bonus
• Share schemes including free shares
• Benefits you can adapt to your lifestyle, such as discounted shopping
• 28 days' holiday, with bank holidays on top
• A range of wellbeing initiatives and generous parental leave policies