Senior Security Analyst

Senior Security Analyst

Location: Hybrid (London/South East)*

A leading, fast-growing IT services provider is looking for a Senior Security Analyst to take a hands-on lead role within its expanding Security Operations function. This is a fantastic opportunity for an experienced security professional looking to grow into leadership while working across enterprise-scale environments.

You'll be the senior member of a small, capable SOC team (mentoring two Security Analysts) and will take ownership of threat detection, investigation, and response across a broad client base. The company will actively support your professional development - including funded training towards CISSP within 12 months - and offers a clear path to progress as the security function scales.

Key Responsibilities

• Act as the technical lead for two Security Analysts, providing guidance and mentoring.

• Manage and enhance the Microsoft Security Stack (Sentinel, Defender, Purview, XDR).

• Drive unified logging and event correlation across cloud, on-prem, and endpoint sources.

• Conduct proactive threat hunting to identify and mitigate risks early.

• Integrate new systems and log sources consistently within SIEM environments.

• Respond to security incidents, ensuring detailed documentation and root cause analysis.

• Support identity and access management and ensure InfoSec alignment for client requirements.

About You

• Strong hands-on experience in SIEM tools (eg, Sentinel, Splunk) with a focus on detection and response.

• Ability to adapt quickly to new or niche security tools.

• Solid knowledge of security operations, incident response, and threat analysis.

• Experience leading or mentoring junior team members is advantageous.

• A proactive, detail-oriented mindset with excellent communication skills.

Why Apply

• Join a growing MSP delivering secure, enterprise-scale solutions.

• Step into a technical leadership position with genuine impact.

• Hybrid working model offering flexibility and autonomy.

• Funded professional training and certification support (including CISSP).

• Exposure to cutting-edge tools and complex, multi-platform environments.