Job Description
Job Title:  Cyber Security Professional
Req ID:  62905
Job Function:  Cyber Security
Posting Start Date:  09/10/2026
Posting End Date:  21/10/2026
Division:  UK Business
Job Location:  GBR Sheffield Endeavour
Advertised Salary:  Competitive + Benefits

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About the role

The Global DDoS security team are responsible for the delivery and in-life operational support for BT’s commercial DDoS customers. We work closely with key stakeholders, including our Product and Portfolio teams, Security Sales, and colleagues in Protect BT, to ensure the successful delivery of world class security solutions to our end customers.

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. 

What you’ll be doing

• Providing technical pre-sales support
• Engage customers directly to define, design and implement layered DDoS defence solutions and services. 
• Providing 3rd Line support via On-Call during incidents.
• Create documentation including High/Low-Level Designs to support the delivery of our solutions

Essential Skills / Experience

• Skilled in creating attack mitigations strategies for DDoS attack vectors 
• Networking and security implementation e.g. router implementation, configurations etc.
• Skilled in analyisng IP addressing protocols 
• Skilled working across three or more of the following areas, pre-sales support, design, implementation, in-life operations 
• Excellent communications skills

Desirable Skills / Experience

• Have knowledge of networking and security implementation techniques.
• Be knowledgeable and have experience of DDoS and an understanding of attack vectors.
• Have experience in a customer facing environment, able to present technical solutions to varied stakeholders / audiences 
• Have experience in IP technology i.e., IP address and protocols with recognised qualification or accreditation in the fields of network or security. 

Our Package

• Competitive salary and on-target bonus plan
• Flexible and smart working
• Training and development opportunities
• Competitive share options and pension scheme
• Access to discounts on BT & EE products
• 25 days annual leave (not including bank holidays)
• 3 days paid volunteering a year
• Weekly Hours: 37.5
• Salary: Level E
• Position Type: Full-time
• Contract: Permanent

Join us at a pivotal moment for BT Business. We are executing a multi-year transformation to restore growth, modernise at scale and unlock new markets beyond connectivity. Our ambition is clear – return to sustainable revenue and EBITDA growth, strengthen our market position, and deliver meaningful shareholder value through disciplined execution and bold reinvention.
 
We are fundamentally reshaping the business – simplifying our portfolio, digitising our customer experience and building market-leading capability across cyber, AI and managed services, all powered by the UK’s leading fixed and mobile networks. This is a shift from a legacy connectivity provider to a modern, solutions-led, AI-first business that can truly differentiate in a competitive and fast-moving market. 
 
With execution momentum building and a clear path to growth, the opportunity now is to scale what works, accelerate performance and fully realise our potential. This is about delivering against ambitious financial outcomes while transforming how we operate – creating a business that is simpler, faster, more innovative and easier to do business with.
 
If you want to be part of the team shaping the turnaround of a multi-billion-pound business – and building a stronger, more competitive BT for the future – this is your moment.