Sr. Security Engineer (United Kingdom)

What you will be doing:

• Security Monitoring & Incident Response
  • Monitor and triage security alerts from SIEM, EDR, and other tools; escalate and respond as needed.
  • Investigate security incidents, determine root cause, document findings, and develop IOCs to prevent recurrence.
  • Support escalations from internal employees or customers with security-related concerns.
• Security Engineering & Tooling
  • Assist with security reviews related to infrastructure and system changes.
  • Build, enhance, and maintain internal security tooling and scripting repositories.
  • Contribute to the development of detection content, alert tuning, and automation pipelines.
• Strategic & Team Contributions
  • Drive annual security team goals and cross-functional initiatives.
  • Author and maintain clear, actionable documentation and knowledge bases.
  • Mentor junior team members and share expertise across the organization.
  • Participate in a rotating on-call schedule for security operations support.

What you will bring to the role:

• 5+ years of experience in a security engineering or operations role.
• Bachelor or Master’s degree in Computer Science, Electrical Engineering, Computer Engineering, or equivalent related work experience
• Deep expertise in Windows and Linux operating systems.
• Proficiency in one or more scripting languages: Python, PowerShell, JavaScript, Bash.
• Strong understanding of networking fundamentals (TCP/IP, DNS, HTTP/S, etc.).
• Hands-on experience with cloud platforms (AWS, Azure, or GCP) — cloud security knowledge preferred.
• Familiarity with virtualization technologies and associated security controls.
• Demonstrated experience in at least one of the following:
  • Penetration Testing: Offensive security and exploitation techniques.
  • Digital Forensics: Host, network, or memory-based investigation.
  • Threat Hunting: Detection engineering and hypothesis-driven threat investigation.
• Knowledge of modern security tooling (SIEM, EDR, vulnerability management, SOAR).
• Strong documentation and communication skills; fluent in written and spoken English.

Diversity, Inclusion, and Equal Opportunity