Information and Cyber Security Operations Engineer

Information and Cyber Security Operations Engineer

We are searching for an experienced Information and Cyber Security Operations Engineer.

Make an Impact at RSM UK

The Cyber Security Operations Engineer will be responsible for working in conjunction with our MSSP to monitor, detect and respond to security incidents to protect our systems, networks and information assets. This role involves working closely with our MSSP and various departments to ensure the security of our digital infrastructure and compliance with security policies.

• Define and govern security configurations across Microsoft security tools and key third‑party platforms (e.g., Mimecast, Palo Alto, Cortex), including policies, settings, and exemptions.
• Oversee MSSP performance, ensuring effective monitoring, detection, and incident response, and acting as a key escalation and response partner during incidents.
• Prioritise and manage security use cases, rules, and alerts for MSSP implementation, focusing on improving detection coverage and effectiveness.
• Develop and maintain Sec Ops continuous improvement (RSM UK and MSSP), including automation, optimisation of processes, and enhancement of detection capabilities.
• Define, document, and maintain operational knowledge, including incident response processes, run‑books, and a central knowledge base for MDR/XDR alerts.

• Strong understanding of networking and security fundamentals, including protocols, architectures, and security methodologies.
• Proven experience in security operations, with solid application of core security principles and best practices.
• Hands‑on expertise with security tools such as SIEM, firewalls, IDS/IPS, malware protection, and vulnerability scanning.
• Experience with Microsoft security stack, including its core security and threat protection capabilities.
• Excellent analytical, problem‑solving, and communication skills, with the ability to collaborate effectively across teams and respond to incidents.

• Hybrid and Flexible working
• 26 Days Holiday (with the option of purchasing additional days)
• Lifestyle, Health, and Wellbeing including financial wellbeing benefits such as financial tools, electric car scheme and access to a virtual GP
• Access to a suite of 300+ courses on demand developed by our in‑house Talent Development team

Location:

London

Job Type: Permanent

Experienced Hire