Senior Information Security Engineer

Job Description

We’re recruiting a Senior Information Security Engineer to support the Chief Information Security Officer in managing and reducing information security risks across Technology Services.

This is a hands-on, technical role focused on leading the design, implementation and continuous improvement of AJ Bell’s enterprise security tools and platforms. You’ll play a key role in driving automation, innovation and integration across our technology estate.

Key responsibilities

• Lead the delivery and management of enterprise security solutions across endpoint, cloud, network, DevOps and security monitoring
• Design and implement secure infrastructure controls aligned to best practice
• Identify, evaluate and implement new security tools and platforms
• Drive adoption of new technologies, ensuring smooth operational handover and value realisation
• Lead and coordinate patch management across systems and hardware
• Support server hardening initiatives with Infrastructure and Service Delivery teams
• Provide security oversight across projects and change initiatives
• Support audits, regulatory reviews and due diligence activities
• Act as a key link between the CISO function and Infrastructure teams
• Contribute to continuous improvement of cybersecurity risk management processes

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 ISO27001, 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 teams
• CISSP (achieved or in progress) desirable

About us

AJ Bell is one of the UK’s fastest-growing investment platforms, serving over 644,000 customers and managing £103.3 billion in assets. Our award-winning platform supports everyone from financial advisers to first-time investors, making it easier to take control of their financial future.

With over 1,500 employees across Manchester, London, and Bristol, we’re a FTSE 250 company and have been recognised as one of the UK’s Best 100 Companies to Work For for six consecutive years, as well as a Great Place to Work® in 2025 and 2026.

What we offer

• Starting salary from £70,000 (DOE)
• 26 days’ holiday (rising to 31) + buy/sell scheme
• Pension with matched contributions up to 7%
• Discretionary bonus and annual share awards
• Health cash plan and discounted private healthcare
• Free onsite gym and wellbeing support
• Enhanced family leave and sick pay
• Season ticket loans and bike scheme
• Social events and volunteering opportunities
• Ongoing technical training and professional qualification support
• Career development and talent programmes

Hybrid working

We offer a hybrid model with a minimum of 50% office-based working per month.

AJ Bell is committed to creating an inclusive environment where everyone can thrive. All hiring decisions are based on merit, skills and business need.

If this sounds like the right opportunity, we’d love to hear from you.