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As a Senior Cyber Security Analyst, you'll act as a technical authority within Security Operations, owning the design, development and continuous improvement of our detection and response capabilities.
You'll lead the response to major security incidents, drive threat-informed detection engineering, influence security architecture decisions, and work closely with colleagues across Security, Engineering and Platform teams to ensure ENSEK remains resilient against evolving threats.
This role combines hands-on technical expertise with leadership responsibilities, offering the opportunity to mentor junior analysts while contributing to strategic security initiatives across the business.
As a Senior Cyber Security Analyst, you'll act as a technical authority within Security Operations, owning the design, development and continuous improvement of our detection and response capabilities.
You'll lead the response to major security incidents, drive threat-informed detection engineering, influence security architecture decisions, and work closely with colleagues across Security, Engineering and Platform teams to ensure ENSEK remains resilient against evolving threats.
This role combines hands-on technical expertise with leadership responsibilities, offering the opportunity to mentor junior analysts while contributing to strategic security initiatives across the business.
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Maintain an effective detection and response capability, continuously improving SIEM coverage, reducing false positives, and identifying gaps through MITRE ATT&CK aligned monitoring.
Lead the successful resolution of security incidents, ensuring timely containment, clear stakeholder communication, thorough post-incident reviews, and implementation of lessons learned.
Strengthen ENSEK's security posture by operationalising threat intelligence, supporting vulnerability remediation activities, and proactively identifying emerging risks.
Improve operational efficiency through the development of security automation, response playbooks and workflow enhancements that reduce manual effort and accelerate investigation and response times.
Increase security maturity across the organisation by providing security assurance to projects, supporting threat modelling activities, and embedding security monitoring requirements into new services and platforms.
Contribute to a high-performing Security Operations function by mentoring analysts, delivering meaningful operational reporting, and supporting compliance obligations including ISO 27001, SOC 2 and NIS2.
Proven experience operating within a Security Operations, Cyber Security Analyst, Security Engineer or Incident Response role, with responsibility for leading complex security investigations and major incident response activities.
Strong hands-on experience with SIEM platforms, including detection engineering, alert tuning, correlation rule development, coverage mapping, and the continuous improvement of monitoring capabilities.
Demonstrable experience leading security incidents from initial triage through to containment, recovery and post-incident review, including stakeholder management during high-severity events.
Practical experience applying the MITRE ATT&CK framework to detection engineering, threat hunting, investigations, threat modelling, or security control assessment.
Experience developing or supporting security automation and orchestration workflows, including the creation of playbooks, automated response actions, and integrations between security tools.
Experience working with cloud security technologies, endpoint detection and response (EDR/MDR) solutions, threat intelligence, and vulnerability management processes within a modern technology environment.
Strong communication skills with the ability to translate technical security risks, threats and vulnerabilities into clear, business-focused recommendations for both technical and non-technical stakeholders.
Experience mentoring, coaching or providing technical leadership to junior analysts, helping to develop team capability through knowledge sharing, documentation and continuous improvement initiatives.
UK private energy-software company providing cloud-native SaaS billing and customer-management platforms to energy retailers.
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Senior
Remote
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