BT Group
Network Security Professional
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Job Title: Network Security Professional
Req ID: 61914
Job Function: Business Operations
Posting Start Date: 20/08/2026
Posting End Date: 28/08/2026
Division: UK Business
Job Location: GBR Belfast - Riverside Tower, GBR Sheffield Endeavour, GBR-London-BTHQ One Braham, GBR-Manchester-New Bailey
Advertised Salary: Competitive + Benefits
Job Req ID: 61914
Posting Date: 20/08/2026
Function: Business Operations
Location: London, Sheffield, Belfast, Manchester
Salary: Competitive + Benefits
About The Role
Our purpose is to use the power of communication to make a better world. For each other, for our customers, for society and our communities.
This role exists to provide specialist technical support on complex network security and cyber security deployments for any and all of our UK contracts. Building intermate working relationships and trust through effective communication and meeting expectation and deadlines is key. Liaising with customer representatives or vendors and directing other support staff where appropriate will form part of the role.
Additionally, the support of new products and services is an important part of keeping pace with the industry and customer requirements and allows BT to maintain market position as key supplier of services. The role holder will therefore be expected to provide support in this area, working with confidence and initiative and applying excellent self-management in order to promote successful outcomes.
The successful candidate must be willing to undergo Government Security Clearance to SC level, which requires residence in the UK for a minimum of 5 years.
What You’ll Be Doing
- Collaborating with a team of passionate engineers who share a commitment to building innovative, industry-leading platforms while continuously developing their own skills.
- Acting as a key decision-maker during cyber incidents, ensuring mitigation controls and response measures are effective and appropriate.
- Providing expert security advice and remediation guidance to BT’s Lines of Business and external customers.
- Owning and completing integration testing for new products and services, including producing all necessary supporting documentation.
- Proactively supporting your team leader and line manager to achieve team objectives.
- Maintaining full awareness of the importance of safeguarding sensitive customer information at all times, reinforcing BT’s reputation as a trusted organisation.
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Essential Skills / Experience
- Experience in security operations (ideally within a 2nd Line environment), with a strong understanding of security fundamentals and incident ownership.
- Good knowledge of security and networking technologies, including firewall troubleshooting, routing and IP networking.
- Strong operational discipline, with the ability to follow ticketing, change management and governance processes while communicating effectively with customers and colleagues.
Desirable Skills / Experience
- Experience with industry-leading security platforms and vendors, such as Fortinet, Palo Alto, and Cisco.
- Relevant industry certifications, including CompTIA Network+ and/or Security+.
- CCNA certification or equivalent practical networking knowledge.
- Exposure to automation and scripting, supporting more efficient and scalable security operations.
Our Package
Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life. You can design the package to suit you and your lifestyle. Your core benefits include:
- 10% on target annual bonus
- Access to an online private GP 24/7 for you and your immediate family
- Market-leading paid carers leave with up to 2 weeks off
- Equalized maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay
- Discounted EE and BT products, including mobile and broadband
- Market leading Pension scheme – 5% from you and 10% from us
- Holiday purchase scheme
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You can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready.
About BT Group
BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers.
BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.
Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.
We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.
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