Security Design & Implementation Specialist

Recruiter:
Jayson Coley-Wynters Career Grade: D (Competitive + Benefits) Posting End Date: 23rd September 2026

Location:

Glagow / Belfast Security isn’t always the first thing that comes to mind when you think of BT, but when it comes to keeping everyone safely connected, We Are The Protectors. We deal with thousands of cyber-attacks every day, so that millions of people can safely go about their daily lives and run their businesses. We deliver vital work at scale, with real breadth and impact.

We connect for good.

This is an opportunity to play your part and protect our company, our customers and our communities from cyberattack. Be part of a dedicated team and get ready to be challenged every day to make the most of your skills and experience. You’ll learn from those around you, and from outstanding training and development resources to become even better at what you do.

With the best technology at your fingertips, you'll be part of a friendly and flexible working environment where your contribution is always valued.

Job Description About this role As a Security Specialist, you'll be part of a wider team delivering critical security solutions for our banking customers. Working closely with customers daily, you'll translate business and technical requirements into high-quality designs and successful implementations, while remaining mindful of security strategy, governance, risk, and compliance objectives.

You'll combine strong technical expertise with excellent stakeholder engagement skills, helping customers navigate complex security challenges and delivering solutions that protect their most critical assets.

There's nothing quite like seeing a world-class security design come together—from initial concept through to implementation—before successfully handing over to our Delivery and Operational teams. What you'll be doing
• Provide technical security leadership and oversight across a strategic banking customer contract, ensuring services and solutions remain aligned to contractual security obligations, governance requirements, and customer security strategy.
• Act as the security design and implementation authority for complex security solutions and platform architectures. Lead customer workshops to capture business and technical requirements, translate these into robust security designs, and identify the supporting documentation required to underpin successful delivery.
• Produce and maintain High-Level Designs (HLDs), Low-Level Designs (LLDs), security processes, operational procedures, standards, and local work instructions, ensuring alignment to industry best practices, regulatory requirements, and customer security controls.
• Establish a strong onsite presence with the customer, building trusted relationships with technical, operational, and leadership stakeholders while providing expert security guidance and technical leadership.
• Work closely with customers to understand their threat landscape, risk profile, regulatory obligations, and strategic objectives, ensuring security solutions address both current and emerging challenges.

The skills you will need
• Have excellent stakeholder management and communication skills, with the ability to engage confidently with customer technical teams, senior leadership, project managers, risk and compliance functions, and third-party suppliers.
• Have experience delivering large-scale, complex, and technically challenging security or infrastructure projects, taking ownership from requirements gathering through to design, implementation, and operational handover.
• Have experience designing and implementing security solutions across cloud and hybrid infrastructure environments, with an understanding of modern security architectures and cloud…