Security Service Designer

Req ID: 62966

Job Function: Cyber Security

Posting Start Date: 14/10/2026

Posting End Date: 26/10/2026

Division: UK Business

Job Location: GBR-London-BTHQ One Braham

Advertised Salary: Competitive + Benefits

Job Req ID: 62966

Function: Cyber Security

Location: London One Braham

Salary: Competitive + Benefits (Internal grade D)

PLEASE NOTE BEFORE APPLYING: Role requires SC (Security Clearance) minimum 5 years UK working history.

About the role

The Operational Architect (OA) builds and owns the service design for complex opportunities, in alignment with BT Group strategies and external customer contractual requirements. Partners with BT Group and executive stakeholders within a single or across multiple business units.

These customers are major BT UK accounts, with key stakeholders including external CISOs, BT Security providers, vendors, and colleagues across the UK and CPS CFUs.

What you’ll be doing

• Works as part of an integrated team across the bid lifecycle through to mobilisation on security projects and programmes, contributing to the commercial solution during the bid phase. Demonstrates an understanding of BT Security strategy and customer requirements, ensuring these are effectively aligned. Consistently puts the customer at the heart of what we do—listening, learning, and adapting—to ensure outcomes meet or exceed customer expectations.
• Proactively identifies risks and issues and proposes effective mitigation or alternative solutions where possible.
• Champions best practice across change, issue, and risk management, continuously developing and sharing knowledge on emerging trends and changes across the BT Security Delivery Assurance and Bid team.
• Builds strong, collaborative relationships and works with stakeholders within Security and across the wider BT Group. Works closely with virtual bid teams to break down silos, ensuring bids remain strategically aligned and meet customer requirements.
• Accountable for end-to-end BT Security service design, ensuring accuracy, operational feasibility, and quality through strategic tools, peer reviews, and assurance of operational architects’ opportunities.
• Share assurance insights and lessons learned across the Security assurance community to support

Essential Skills / Experience

• Service design experience, ideally 3+ years, with a strong track record of complex service design.
• Strong communication and presentation skills, with the ability to lead teams and engage confidently with internal and external stakeholders.
• Ability to demonstrate sound commercial and financial awareness.
• Contractual/commercial awareness of contractual obligations outside of the service design.

Desirable Skills / Experience

• A good understanding of security solutions, products, and their benefits.
• Experience supporting teams through transformation and change, with the ability to guide and motivate people through evolving priorities or ways of working.
• ITIL 4 accreditation.

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 D
• 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.