Cyber Security Operations Specialist

We are looking for an experienced Cyber Security Operations Specialist to join a growing security team responsible for protecting a complex IT, cloud and operational technology environment.
You will play a key role in detecting, investigating and responding to cyber threats, while helping to improve the organisation's overall security monitoring and incident response capabilities. The role combines hands-on security operations, tooling optimisation and continuous improvement across a varied technology estate.
Key responsibilities:

• Monitor, triage and investigate security alerts and incidents across IT, cloud and OT environments.
• Lead or support incident response, including containment, eradication, recovery and escalation.
• Develop and optimise SIEM detection rules, EDR policies and security monitoring capabilities.
• Reduce false positives and improve detection coverage using threat intelligence and incident learnings.
• Investigate threats using frameworks such as MITRE ATT&CK.
• Work closely with internal IT, engineering and security teams, alongside external security providers.
• Maintain and improve security playbooks, procedures, documentation and response processes.
• Support security reporting, compliance and audit activity.
• Provide technical guidance and support to junior members of the security team.

Key skills and experience:

• Strong background in Security Operations, SOC or Incident Response.
• Hands-on experience with SIEM and EDR platforms, ideally including Microsoft security technologies.
• Experience investigating security incidents across cloud and on-premise environments.
• Knowledge of Windows environments, with working knowledge of Linux/Unix.
• Understanding of threat intelligence, IOCs, TTPs and the MITRE ATT&CK framework.
• Experience improving detection logic, alert quality and security controls.
• Strong stakeholder communication and incident management skills.
• Knowledge of frameworks such as ISO 27001, NIS and GDPR would be beneficial.

Desirable certifications include: SC-200, SC-300, SC-400, MS-500, Security+ or similar cyber security qualifications.
The role will involve participation in an out-of-hours incident response rota, with occasional travel where required.