Security engineer, detection and response (UK)

Highlights

• Build detections for AI threats like prompt injection and model extraction.
• Create self-healing playbooks that contain threats without human intervention.
• Hunt sophisticated attacks across GPU clusters and training infrastructure.

What they offer

• Generous PTO, plus company holidays
• Comprehensive medical and dental insurance
• Paid parental leave for all parents (16 weeks)
• Fertility and family planning support
• Competitive pension scheme and company contribution
• Wellness stipend for gym, massage/chiropractor, personal training, etc.
• Learning and development stipend
• Company-wide off-sites and team off-sites
• Competitive compensation and company stock options

Ideal candidate

Self-directed security operator excited by novel AI threats who thrives hunting in complex distributed systems and owning incident response end-to-end with accountability and cross-team collaboration.

Requirements

• 3-5+ years in security operations, detection engineering, or incident response with track record stopping sophisticated attacks in production
• 3+ years securing AI/ML infrastructure, HPC environments, or distributed systems at scale
• Strong programming skills in Python, KQL, SPL or similar to build detection logic and automate response
• Experience with SIEM platforms, detection technologies and forensic investigation for novel attack techniques
• Self-directed execution mindset with experience securing high-value IP and automating incident response
• Alignment with WRITER values: Connect across teams, Challenge assumptions, Own platform protection