> Markdown version of [/jobs/ext/1567292-senior-security-analyst](https://www.wearedevelopers.com/jobs/ext/1567292-senior-security-analyst). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Security Analyst - **Company:** Janus Henderson - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Software as a Service, Cloud Computing, Cyber Security, Infrastructure as a Service (IaaS), Identity and Access Management, Intrusion Detection and Prevention, Machine Learning, Open Web Application Security, Platform as a Service (PAAS), Security Information and Event Management, Software Vulnerability Management, Mitre Att&ck - **Published:** July 17, 2026 - **Apply:** https://dejobs.org/x/x/32010071194346F2B173A4FC24C481FE/job/ ## About the Role * 3+ years' experience as a Senior SOC Analyst within an internal SOC environment * Proven hands-on experience with Incident Management. * Knowledge of leveraging vulnerability management and cyber threat intelligence capabilities * Strong collaboration skills working with application and infrastructure teams within a security context * In-depth working knowledge of security best practices and frameworks (e.g., MITRE ATT&CK, OWASP Top 10, NIST) * Excellent verbal and written communication skills * Ability to manage multiple projects and tasks. * Analytical ability to capture and summarize information, find solutions to various tactical and strategic problems and prioritize work * Knowledge public cloud infrastructure (SaaS, IaaS, and PaaS) * Knowledge of SIEM and EDR tools * Knowledge of detection engineering concepts and use - case lifecycle management. * Clear, confident communicator under pressure. * Proactive and curious, with a continuous improvement mentality. Nice to have skills * 5+ years of experience within Incident Response * Experience using AI or machine - learning features within security products. * Experience with SOAR workflows and automating manual tasks. * Experience working in regulated or large - scale enterprise environments. * Relevant Information Security certifications (e.g. SANS, Cloud Certifications). Supervisory responsibilities * No Potential for growth * Mentoring * Leadership development programs * Regular training * Career development services ## Description * Act as a senior escalation point for complex/high-severity alerts across SIEM, EDR, Cloud and Identity platforms. * Lead end-to-end incident response (investigation, containment, eradication, and post-incident review). Coordinate immediate mitigation actions across infrastructure, network, and legal teams to isolate compromised environments, stop data exfiltration, and minimize downtime. * Define and drive the strategic direction for incident response services, ensuring they align with emerging threats. * Build, develop and oversee cyber security playbooks * Correlate alerts with threat intelligence and business context to assess risk and impact. * Produce clear investigation summaries for technical and non-technical stakeholders. * Identify potential security risks and document clear, actionable remediation options or mitigating controls aligned with industry best practices. * Support in preservation of digital evidence and coordinate with Incident Response Retainer for forensic collection. * Support in managing day-to-day security operations and business inquiries. Threat Hunting & Proactive Detection: * Conduct proactive threat hunting using queries, dashboards and behavioral analytics. * Identify gaps using frameworks (e.g. MITRE ATT&CK) and translate findings into improved detections and playbooks. * Tune alerts and detections to reduce noise while maintaining coverage. * Validate and manage exclusions with clear risk assessment and documentation. * Work with Detection Engineering to enhance detection logic and alert quality. AI-Assisted Investigation & Tooling: * Use AI-enabled features across SOC tooling to accelerate analysis and investigations. * Provide initiative to improve tooling, workflows, and AI effectiveness. * Support development of safe and consistent AI usage standards within the SOC. Collaboration & Mentoring * Mentor junior analysts and support their development. * Provide leadership during incidents and contribute to continuous SOC improvement. * Collaborate with Security Engineering to support automation and security tooling. * Collaborate with Stakeholders and support partnerships with internal teams and external vendors to improve vulnerability remediation. * Provide reginal handovers to ensure continuity and adherence to operational standards across regions. * Assist in incorporating regulatory compliance requirements, such as SOX and GLBA, into the organization's security roadmap. What to expect when you join our firm * Hybrid working and reasonable accommodations * Generous Holiday policies * Excellent Health and Wellbeing benefits including corporate membership to Wellhub * Paid volunteer time to step away from your desk and into the community * Support to grow through professional development courses, tuition/qualification reimbursement and more * Maternal/paternal leave benefits and family services * All employee events including networking opportunities and social activities * Lunch allowance for use within our subsidized onsite canteen ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Green Cloud Computing](https://www.wearedevelopers.com/videos/592-green-cloud-computing) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Checkmate: 5 Real Incidents That Can End a Software Company](https://www.wearedevelopers.com/videos/100126-checkmate-5-real-incidents-that-can-end-a-software-company) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Data Analyst Salary in Switzerland](https://www.wearedevelopers.com/magazine/276-data-analyst-salary-in-switzerland) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)