Security Analyst

Security Analyst – Hybrid (Dorking, 3 days per week)

Unum is seeking a passionate and driven Security Analyst to join our dynamic Security Operations Team. This is an exciting opportunity for someone with a strong foundation in networking and endpoint security who is eager to grow, contribute, and make a real impact in protecting our organisation.

• Security Monitoring & Response: triage, investigate, and respond to alerts from tools such as our SIEM platform.
• Threat Analysis: examine phishing attempts and other suspicious activities.
• Ticket Management: handle incoming security‑related tickets and ensure timely resolution.
• Continuous Improvement: contribute to rule creation, tool enhancements, and automation initiatives.
• Collaboration:
  
  work closely with team members and other departments to strengthen our security posture.

• A collaborative team player who shares ideas and supports others.
• Curious and enthusiastic about cybersecurity and continuous learning.
• Strong communication skills, including the ability to present to senior stakeholders.
• Critical thinker and creative problem‑solver.
• Self‑starter with basic project‑management capabilities.

• Solid understanding of networking and OS fundamentals, including ports, protocols, and their potential misuse.
• Experience using SIEM platforms for search, aggregation, and visualization.
• Logical and methodical approach to security analysis.
• Awareness of modern threats, malware families, and threat‑actor tactics.
• Ability to interpret dynamic sandbox reports and assess risk.
• Basic scripting skills and familiarity with regular expressions (regex).
• Experience with version control tools such as Git.
• Understanding of endpoint artifacts (e.g., Event IDs, registry keys) and their implications.
• Knowledge of compliance frameworks and associated obligations.

We are proud to be a Disability Confident Employer. We encourage applications from those with disabilities and long‑term health conditions. If you meet the essential criteria for the role and choose to opt in to the scheme during your application, you will be offered an interview under the Disability Confident Scheme. If you need assistance and/or reasonable accommodation due to a disability during the application or recruiting process, please send a request to