Salary: £35,000 - 75,000 per year Requirements: Proven experience managing Cyber Security Operations within a complex IT environment Strong leadership and team management capability Expertise in Incident Response and Vulnerability Management processes Hands-on experience with Microsoft security technologies (Defender suite, Sentinel) Experience developing and maintaining operational security procedures and documentation Alert tuning and optimisation to reduce false positives Ability to define, measure, and report on security KPIs and risk metrics Knowledge of automation techniques (SOAR tools, scripting) Understanding of threat intelligence and proactive threat hunting Strong communication and stakeholder engagement skills Familiarity with Azure and AWS security operations (desirable) Understanding of regulatory and compliance requirements in operational security (desirable) Certifications such as CISSP, CISM or equivalent (desirable) Responsibilities: Lead the day-to-day operational security activities that protect the organisations systems and data Manage security monitoring, incident response, and vulnerability management processes Lead and develop a team of security analysts to identify, investigate, and mitigate threats Improve operational maturity by tuning alerts to reduce false positives Implement automation through scripting or SOAR tooling Integrate threat intelligence into security operations Establish meaningful security metrics that demonstrate risk reduction and performance to stakeholders across IT and the wider business Technologies: AWS Azure Security Cloud More: We are a well-established UK organisation recognized as one of the best large companies to work for, with a strong customer focus and continued investment in technology and security. We offer a competitive salary and a hybrid working model, with a minimum of 2 days per week onsite in the Chester area. We are looking to appoint a Cyber Security Operations Manager to strengthen and lead our operational security capability. last updated 10 week of 2026