Senior Security Engineer
Mattermost2 months ago
London, United KingdomSenior
Responsibilities
- Lead security and IT projects to enhance the security posture of infrastructure and the company.
- Detect, investigate, and remediate security incidents using SIEM, EDR, and SOAR tooling.
- Conduct threat hunting across cloud and endpoint environments using a Zero Trust framework.
- Administer company-wide IAM and security monitoring infrastructure.
- Contribute to security policies, incident response, forensics, and endpoint management programs.
- Partner with Engineering to assess and mitigate risks from AI-enabled tools and workflows.
- Explore and implement AI/automation in detection, analysis, and response pipelines.
- Engage closely with North American and international staff across time zones.
Requirements
- Bachelor’s degree in Computer Science or a related field, or significant professional security experience.
- 3+ years of hands-on experience in security engineering and incident response.
- Experience with SIEM platforms and security monitoring systems.
- Experience with EDR tools such as CrowdStrike or SentinelOne.
- Knowledge of SOAR platforms and automation of security workflows.
- Familiarity with Zero Trust architecture principles and threat hunting methodologies.
- Experience with cloud security controls across AWS, GCP, and/or Azure.
- Strong knowledge of Linux systems and Kubernetes/Docker environments.
- Experience with IAM solutions and infrastructure automation.
- Practical experience evaluating security implications of AI systems and AI-assisted workflows.
- Experience managing security of Microsoft 365 and Google Workspace tenants.
- Excellent written and verbal communication skills.
Benefits
- Fully remote, globally distributed team with no commute and genuine flexibility.
- Be a key voice in shaping and delivering security strategy.
- Competitive salary, equity, and benefits with meaningful work attached.