Senior Security Engineer (Cybersecurity)

TL;DR

Senior Security Engineer (Cybersecurity): Lead design and implementation of security tooling, harden cloud and IT infrastructure, and respond to incidents with an accent on AI-enabled threat response, Zero Trust framework, and cloud security. Focus on threat hunting, incident remediation using SIEM/EDR/SOAR, and mitigating risks from AI workflows.

Location: Fully remote, globally distributed team

Salary: £76,123 - £100,992 GBP

Company

Leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure, trusted by U.S. Department of Defense and Fortune 500s.

What you will do

• Lead security and IT projects to enhance infrastructure security posture
• Detect, investigate, and remediate incidents using SIEM, EDR, and SOAR tools
• Conduct threat hunting in cloud and endpoint environments with Zero Trust
• Administer IAM and security monitoring infrastructure company-wide
• Contribute to policies, incident response, forensics, and endpoint management
• Partner with Engineering to assess AI risks and implement AI/automation in detection pipelines

Requirements

• Bachelor’s in Computer Science or equivalent professional security experience
• 3+ years in security engineering and incident response
• Experience with SIEM, EDR (CrowdStrike, SentinelOne), SOAR, and security monitoring
• Knowledge of Zero Trust, threat hunting, cloud security (AWS, GCP, Azure)
• Strong Linux, Kubernetes/Docker, IAM, and infrastructure automation skills
• Experience with Microsoft 365/Google Workspace security and AI risk evaluation
• Excellent written and verbal communication skills

Nice to have

• Certification experience: SOC2, ISO 27001, FedRAMP, Cyber Essentials Plus
• Certifications: OSCP, GCIH, GCFA or equivalent
• Go or Python experience
• Open-source community background
• Endpoint security in fully remote organizations

Culture & Benefits

• Fully remote, globally distributed team with flexibility across time zones
• Competitive salary, equity, and benefits
• Key role in shaping security strategy with high-impact work
• Remote-first, open-source company committed to diversity and inclusion

Hiring process

• Assess based on skills, qualifications, and market conditions
• Market-based pay varying by location
• Accommodations available during interviews