Senior Information Security Engineer

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

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

We offer a competitive package including

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.