Job DescriptionTo 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 AJ Bell
AJ Bell is one of the UK’s fastest-growing investment platform businesses, supporting over 644,000 customers and managing more than £103.3 billion in assets. Listed on the FTSE 250, we’ve been named one of the UK’s Best 100 Companies to Work For for six consecutive years and a Great Place to Work in 2025.
What We Offer
We offer a competitive package including:
*Starting holidays of 26 days, increasing to 31 with length of service as well as buy/sell options

*Matched pension contributions up to 7%

*Discretionary bonus scheme

*Free share awards & BAYE scheme

*Private healthcare options & Health Cash Plan

*Free onsite gym

*Enhanced family leave

*Ongoing technical training & professional qualification support

*Hybrid working (minimum 50% Manchester office)

For the full list of benefits and more detail about the role, click apply or visit our careers page.