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
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Lead the delivery and management of enterprise security solutions across endpoint, cloud, network, DevOps and security monitoring
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Design and implement secure infrastructure controls aligned to best practice
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Identify, evaluate and implement new security tools and platforms
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Drive adoption of new technologies, ensuring smooth operational handover and value realisation
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Lead and coordinate patch management across systems and hardware
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Support server hardening initiatives with Infrastructure and Service Delivery teams
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Provide security oversight across projects and change initiatives
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Support audits, regulatory reviews and due diligence activities
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Act as a key link between the CISO function and Infrastructure teams
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Contribute to continuous improvement of cybersecurity risk management processes
Technical expertise
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Proven experience implementing enterprise security platforms
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Strong knowledge of security risk management tools and techniques
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Deep understanding of security solutions (e.g. SIEM, PAM, IGA, endpoint protection, email/web gateways)
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Experience with firewall technologies (desirable)
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Knowledge of cloud security standards and solutions (desirable)
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Strong understanding of core IT and networking principles
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Awareness of the evolving threat landscape
Skills and experience
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Experience working within frameworks such as ISO27001, NIST or similar
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Significant experience in IT security
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Financial services or e-commerce experience preferred
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Strong problem-solving skills and attention to detail
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Ability to take ownership and deliver end-to-end solutions
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Effective communicator, able to work across technical and non-technical teams
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CISSP (achieved or in progress) desirable
About AJ Bell
AJ Bell is one of the UK’s fastest-growing investment platform businesses, providing award-winning solutions for everyone, from professional financial advisers to first-time investors.
Today, over 723,000 customers trust us to manage more than £108.7 billion 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 one of the UK’s Best 100 Companies to Work For for six consecutive years, and a Great Place to Work® in 2025 and 2026 a reflection of our supportive and collaborative culture.
What we offer
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26 days holiday, increasing with service + buy/sell scheme + bank holidays
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7% Pension with matched contributions
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Discretionary bonus scheme
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Share schemes (including free shares and BAYE)
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Health Cash Plan and discounted private healthcare
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Free onsite gym
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Enhanced family leave (subject to qualifying criteria)
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Travel and bike loan schemes
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Employee Assistance Programme
Life at AJ Bell
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Regular social events including summer and Christmas parties
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Learning and development opportunities tailored to you
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Casual dress code
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Friendly, supportive team environment
Our ways of working
We offer hybrid working, with a minimum of 50% of your working time per month spent in the office.
For new starters, there’s an initial period of full-time office working to help you settle in and build relationships.
Inclusion & diversity
We’re committed to creating an inclusive environment where everyone feels respected and able to be themselves at work.
We welcome applications from all backgrounds and make hiring decisions based on skills, experience and potential.
