AI Security Engineer — Secure Frontier AI with Equity

Olix Computing Ltd.; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Equity/stock options

Proximity bonus

Retirement benefits

Job summary

OLIX Computing Ltd. is seeking an AI Security Engineer to map our AI footprint, secure agents and data, and build controls to stop AI threats. You will harden cloud compute and drive measurable security, integrating ISO 42001 practices and SIEM events. You will enable rapid adoption of new AI tools with guardrails and fast approvals.

The role is hands-on with high ownership, defining AI security from the ground up and shaping how frontier AI infrastructure is protected while teams move quickly.

Qualifications

• 5+ years in security engineering, application security or cloud security, with at least 2 years securing AI or ML systems, LLM applications or agents.
• Hands-on knowledge of LLM-specific threats and their mitigations.
• Experience securing agentic systems: tool permissions, MCP servers, credentials and human approval steps.
• AWS security experience and identity experience, ideally Okta.
• Software engineering in Python or TypeScript.
• Daily use of AI coding tools and agents in your own work.
• Nice to have ISO 42001 or NIST AI RMF experience, or hardware/deep-tech background.

Responsibilities

• Map the AI footprint: build and maintain the inventory of AI tools, models, agents and data flows across the company.
• Secure agents: give every agent a managed identity, least-privilege access, logged actions and the right human approvals.
• Build controls against AI threats: prompt injection, data leakage, model and package supply chain, unsafe agent actions and shadow AI.
• Secure AI infrastructure: harden the cloud compute our teams use to build and run AI workloads.
• Make AI security measurable: run our ISO 42001 self-assessment and feed AI security events into our SIEM.
• Enable safe adoption: review new AI tools within days and publish the guardrails teams need.

Skills

Security engineering

Application security

Cloud security

LLM security

Python

TypeScript

AWS security

Identity management

Tools

Okta

SIEM

Job description

OLIX Computing Ltd. is seeking an AI Security Engineer to map our AI footprint, secure agents and data, and build controls to stop AI threats. You will harden cloud compute and drive measurable security, integrating ISO 42001 practices and SIEM events. You will enable rapid adoption of new AI tools with guardrails and fast approvals.

The role is hands-on with high ownership, defining AI security from the ground up and shaping how frontier AI infrastructure is protected while teams move quickly.