Job Title: Network and Firewall (Checkpoint) Specialist

Req ID: 58851

Job Function: Engineering

Posting Start Date: 30/07/2026

Posting End Date: 13/08/2026

Division: Networks

Job Location: GBR Glasgow - Alexndr Bain Hse, GBR-Birmingham-Three Snowhill

Advertised Salary: Competitive with great benefits

Recruiter: Luke Byrne

Career Grade: D

Internal Closing Date: 13th August 2026

Locations: Birmingham or Glasgow

About The Role

In Networks our aim is to create brilliant converged services over the best network and they’ll be personal, simple and brilliant to use. Being part of the Data Centre Team in Networks the role holder plays a big part in this. BT’s core business traverses our Network and Firewall devices – we need to make sure our Network is up, accessible and functioning correctly 24/7 to meet the expectation of our customers.

This role is fundamental to maintaining the BT Network Management Systems Security posture. As a business we need to be proactive in identifying security issues, highlight concerns and reduce risk. This works in tandem with our ability to react quickly and effectively when operations are threatened by issues outside of BT’s risk appetite.

Ensuring the security of BT’s complex architecture, applications and services in-line with the expectations of our customers is a prime objective of our business. Appraising the risk BT faces from the wider connected world this role assures the protection of BT Group’s brands and reputation, supports improvements to our Security controls and helps maintain BT’s critical business operations.

This role requires the ability to understand and configure complex firewall infrastructure while supporting connectivity technologies and how they are applied in the context of the BT estate.

You will be able communicate issues and concerns to stakeholders with differing levels of technical ability and present arguments for change or mitigation. You will support BTs ability to connect its networks, applications and customers across and outside of the BT estate. As a result, you will be called upon to support time sensitive business critical deliveries with Senior stakeholders, working to deliver solutions that balance the business need with any additional risk.

Due to the operational nature of the work there will be a requirement to be part of an on call rota and out of hours working is available.

What You’ll Be Doing

• Accountable for Operational Service Delivery including
  • Proactive risk management – identify issues and take personal action to mitigate the risk
  • Reactive incident management – take personal action to act with a sense of urgency to minimise business impact with clear stakeholder communication throughout
  • Responsible for ensuring any loss of service is restored within SLA following an infrastructure incident and completion of a comprehensive fault investigation to prevent reoccurrence;
  • Manage deployment of prevention of reoccurrence mitigations across the estate.
• Ability to make decisions even when faced with ambiguity
• First delivery of new infrastructure technology into the BT’s data centre estate. Evaluating technology and developing best practices for further builds and support, ensuring all relevant security standards are adhered to.
• Develop and implement operational support model for new technology deployments, including delivery of comprehensive training both inside and outside the immediate technical team.
• Vendor interaction for management of complex support issues
• Responsible for relationships with senior BT Management, up to Board level, on systems issues relating to risk compliance, incident management affecting BT
• Responsible for the management of commercially viable IT solutions that support LoB performance and client relationships
• Engage in stakeholder reviews for complex interconnect issues, managing interdependencies between applications and security domains.
• Provide technical advice and guidance Pan BT for Interconnect Security Governance, approvals and policy for all of BT’s Corporate Applications and Firewall Estate
• Due to BTs complex network structures you will need to be able to identify where the requested interconnect requirements will not produce the expected outcome. You are able to provide guidance and recommendations for alternate solutions.
• Collaborate with wider stakeholders, policy and standard owners to ensure interconnect alignment and review in a changing environment. Provide feedback on automation requirements for interconnect tooling, enabling the interconnect workflow to mature
• Responsible for Identifying security risks, developing mitigation controls that reduce the possibility of the risks occurring.
• Provide out of hours support and consultancy for incident resolution (on call rota)