Information Security Engineer

Job Description Build security people can trust.

At AJ Bell, we believe investing should feel good. That means giving our customers confidence that their investments and information are protected by secure, reliable technology.

We're looking for an Information Security Engineer to help us strengthen and evolve the security foundations behind our business. Working closely with the Chief Information Security Officer (CISO) and teams across Technology Services, you'll design, implement and improve the security controls, platforms and infrastructure that protect AJ Bell and our customers.

This is a hands-on engineering role where you'll have the opportunity to shape how we detect, prevent and respond to threats. You'll help us make our security capabilities more effective, integrated and automated, ensuring our controls are robust, scalable and built to last.

You'll combine technical expertise with a practical, risk-aware approach, helping embed security into the way we design, deliver and support technology. Your work will help protect customer trust while enabling AJ Bell to innovate, grow and operate with confidence.

What you'll do Design, delivery and ongoing improvement of enterprise security solutions across endpoint, cloud, network, Dev Ops and security monitoring environments.

Design and implement secure infrastructure controls aligned to industry best practice, ensuring scalability, resilience and operational effectiveness.

Evaluate, select and implement new security tools and platforms, driving automation, integration and measurable value across the estate.

Adoption of new security technologies, ensuring smooth transition into operational support and long-term sustainability.

Oversee patch management across systems and hardware, ensuring effective coordination and risk reduction.

Support server hardening and secure configuration initiatives in collaboration with Infrastructure and Service Delivery teams.

Provide security oversight across projects and change initiatives, ensuring security is embedded from design through to delivery.

Support audits, regulatory reviews and due diligence activities, ensuring evidence and controls are robust and well maintained.

Act as a key technical link between the CISO function and Infrastructure teams, ensuring alignment across security and operational delivery.

Contribute to continuous improvement of cybersecurity risk management processes, helping to enhance maturity across the organisation.

What we're looking forYou'll bring strong technical security experience, a practical engineering mindset and the confidence to take ownership of solutions from design through to implementation and ongoing improvement.

Technical expertise

Proven experience implementing enterprise security platforms

Strong knowledge of security risk management tools and techniques

Deep understanding of security solutions (e.g. SIEM, PAM, IGA, endpoint protection, email/web gateways)

Experience with firewall technologies (desirable)
Knowledge of cloud security standards and solutions (desirable)
Strong understanding of core IT and networking principles

Awareness of the evolving threat landscape

Skills and experience

Experience working within frameworks such as ISO
27001, NIST or similar

Significant experience in IT security

Financial services or e-commerce experience preferred

Strong problem-solving skills and attention to detail

Ability to take ownership and deliver end-to-end solutions

Effective communicator, able to work across technical and non-technical teamsCISSP (achieved or in progress) desirable

About AJ Bell At AJ Bell, we believe investing should feel good. Whether you're looking for an ISA, pension or dealing account, whether you want to invest with the help of a financial adviser or do it yourself, we have easy-to-use solutions to suit people from all walks of life.

We're one of the UK's fastest-growing investment platform businesses, trusted by everyone from professional financial advisers to first-time investors.

Today, over 762,000customers trust us to manage more than 121.5billion of assets. By continually striving to make investing simpler and more accessible, we're helping more people take control of their financial futures.

We're proud to be recognised as a Great Place to Work for the past two years, building on six consecutive years as one of the UK's Best 100 Companies to Work For. It's recognition we're proud of and a reflection of the supportive and collaborative culture we strive to create for our people.

What we…