Staff Security Engineer (AI)

Location: Europe, Remote. Remote-first work is available, with a Barcelona hub for weekly co-working.

Company

hirify.global builds and orchestrates AI agents that deliver code, research, operations, and other knowledge-work outcomes.

What you will do

• Set security priorities and drive remediation through verified completion.
• Identify application vulnerabilities through code review, penetration testing, and agent-specific red-team exercises.
• Harden cloud infrastructure and integrate security controls into delivery pipelines with ITOps, platform, and product engineers.
• Build detection for user and agent activity and lead incident response.
• Address risks involving prompt injection, data exfiltration, cross-session access, and insecure agent-written code reaching production.

Requirements

• Strong application security experience with the ability to identify exploitable flaws and explain fixes.
• Hands-on penetration testing and offensive security experience across web applications, APIs, and cloud infrastructure.
• Solid infrastructure and cloud security fundamentals, including IAM, network segmentation, containers and isolation, secrets management, and logging.
• Experience building detections and conducting incident response.
• Fluency with AI coding agents and LLM-based systems, including how they work, fail, and can be manipulated.
• Software engineering skills sufficient to build tooling, automation, and test harnesses.
• Sound judgment under pressure, including weighing security risks against releases and explaining decisions to engineers and founders.

Nice to have

• Experience securing sandboxed or multi-tenant code execution environments.
• Red-team, bug bounty, or CTF experience.
• Experience with security programs and compliance frameworks such as ISO 27001 and SOC 2 in a small company.

Culture & Benefits

• Remote-first work with global hiring focused on talent over location.
• Barcelona hub with weekly co-working for those who prefer in-person collaboration.
• Small, flat team with autonomy, broad ownership, and direct collaboration with senior teammates and the founder.
• Equity and the opportunity to work on an AI-first product used internally by the team.