Senior Information Security Engineer

Job Description

We're now recruiting a Senior Information Security Engineer to support the Chief Information Security Officer in managing and reporting information security risks across Technology Services. This Senior Information Security Engineer role will lead the design, implementation and continual improvement of AJ Bell’s enterprise security tools, platforms and processes, driving innovation, automation and integration across the technology estate.

Key Responsibilities

• Lead delivery and ongoing management of enterprise security solutions across Endpoint, Cloud, Network, DevOps and Security Monitoring
• Design and implement secure infrastructure controls aligned to industry best practice
• Identify, evaluate and implement new enterprise security tools and platforms
• Drive adoption of new technologies, ensuring effective operational handover and value realisation
• Lead and coordinate patch management activities across internal systems and hardware
• Recommend and guide server hardening improvements with Infrastructure and Service Delivery teams
• Support audits, regulatory reviews and due diligence activities
• Provide security oversight across projects and change initiatives to protect AJ Bell’s security posture
• Act as the integration point between the CISO function and Infrastructure teams
• Contribute to the continuous improvement of cybersecurity risk management processes

Technical Expertise

• Proven experience implementing enterprise security platforms
• Strong understanding of security risk management tools and techniques
• Deep knowledge of security solutions including SIEM, PAM, IGA, email/web gateways and endpoint protection
• Experience with firewall technologies (highly desirable)
• Knowledge of cloud security standards and solutions (highly desirable)
• Strong understanding of core IT and networking principles
• Awareness of current threat landscape and evolving attack vectors

Experience & Qualifications

• Experience working within recognised frameworks such as ISO27001, NIST or similar
• Significant experience within IT security
• Financial services or e-commerce sector experience preferred
• CISSP (attained or working towards) 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. Through our award-winning platform, we support everyone from professional financial advisers to first-time investors, making it easier to take control of your financial future and feel good investing.

With over 1,500 employees across Manchester, London, and Bristol, AJ Bell is a FTSE 250 company and has 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. We offer a collaborative, friendly environment built on strong guiding principles and pride in what we do.

What we offer:

• Starting salary from £70,000 (DOE)
• Starting holiday entitlement of 26, increasing up to 31 days with length of service and a holiday buy and sell scheme
• A choice of pension schemes with matched contributions up to 7%
• Discretionary bonus scheme
• Annual free share awards scheme
• Buy As You Earn (BAYE) Scheme
• Health Cash Plan – provided by SimplyHealth
• Discounted private healthcare scheme and dental plan
• Free onsite gym
• Employee Assistance Programme
• Bike loan scheme
• Sick pay+ pledge
• Enhanced maternity, paternity, and shared parental leave
• Loans for travel season tickets
• Death in service scheme
• Paid time off for volunteer work
• Charitable giving opportunities through salary sacrifice
• Calendar of social events, including monthly payday drinks, annual Christmas party, summer party and much more
• Ongoing technical training
• Professional qualification support
• Talent development programmes
• Peer recognition scheme, with rewards including restaurant and shopping vouchers or time off
• Monthly leadership breakfasts and lunches
• Casual dress code
• Access to a range of benefits from our sponsorship deals

Hybrid working:

At AJ Bell, our people are the heart of our culture. We believe in building strong connections by working together. That's why we offer a hybrid working model, where you’ll spend a minimum of 50% of your working time per month in the office.

AJ Bell is committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and all employees are empowered to bring their whole self to work.

We do not discriminate on the basis of race, sex, gender identity, sexual orientation, age, pregnancy, religion, physical and mental disability, marital status and any other characteristics protected by the Equality Act 2010. All decisions to hire are based on qualifications, merit and business need.

If you like the sound of the above, or just want to know more about the company and the role, we'd love to speak to you.