Senior Information Security Analyst

queries from colleagues and service delivery teams Support and coordinate patch management activities, validating effectiveness through vulnerability scanning Oversee and operate key security technologies, including SIEM, email and web gateways, and endpoint protection tools Monitor external threat intelligence sources and assess relevance to the organisation Produce and report on security metrics, KPIs and operational performance Technical expertise Good understanding of information security principles, risk management and the threat landscape Experience of operating and monitoring security tooling, including SIEM, endpoint protection, and email/web security solutions Ability to proactively conduct threat hunting activities and develop or enhance detection analytics to improve identification of malicious activity Awareness of cloud security controls and standards Experience of managing enterprise systems, including Microsoft Active Directory, Windows and Linux Knowledge of network security

technologies, including proxies, end point security tools and data loss prevention controls are highly advantageous Skills and experience Experience working within recognised information security frameworks (e.g. ISO27001, NIST) Proven experience in an information security role, preferably within financial services or e-commerce Strong analytical capability, with the ability to interpret data and support decision-making Ability to take ownership of tasks and deliver through to completion Confident in providing challenge to improve security outcomes Effective communication skills, both written and verbal Well organised, with strong attention to detail and the ability to manage competing priorities Demonstrates a commitment to continuous professional development (e.g. CISSP or equivalent) 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 644,000 customers trust us to manage more than £103.3 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 26 days holiday, increasing with service + buy/sell scheme + bank holidays 7% Pension with matched contributions Discretionary bonus scheme Share schemes (including free shares and BAYE) Health Cash Plan and discounted private healthcare Free onsite gym Enhanced family leave (subject to qualifying criteria) Travel and bike loan schemes Employee Assistance Programme Life at AJ Bell Regular social events including summer and Christmas parties Learning and development opportunities tailored to you Casual dress code Friendly, supportive team