AI Security Engineer (System Security)

TL;DR

AI Security Engineer (System Security): Securing the design, build, and operation of AI systems across on-premise and cloud environments with an accent on infrastructure security and agentic workloads. Focus on hardening LLM deployments, implementing guardrails against prompt-injection, and aligning AI architecture with frameworks like OWASP and MITRE ATLAS.

Location: Sofia, Bulgaria (Onsite)

Company

hirify.global is a leading technology company in the regulated gaming industry, providing business intelligence-driven software, content, and platform technology globally.

What you will do

• Review AI systems and infrastructure, including LLM deployments, gateways, and vector stores, to provide hardening recommendations.
• Assess and strengthen guardrails against prompt-injection, rate limiting, and authentication issues.
• Advise on secure-by-design AI architecture based on OWASP, MITRE ATLAS, and NIST AI RMF.
• Evaluate the AI supply chain, focusing on model provenance and AIBOM/SBOM scanning.
• Define security standards and reference patterns for secure AI operation across the business.
• Review logging and observability for AI workloads to enhance SOC detection capabilities.

Requirements

• Solid experience in infrastructure and security engineering (Linux, networking, cloud, IAM, container security).
• Experience with self-hosted LLM deployments and cloud platforms (Azure Foundry, Bedrock, VertexAI, etc.).
• Knowledge of LLM-specific threats like prompt injection, data poisoning, and insecure output handling.
• Familiarity with AI security frameworks (OWASP LLM Top 10, MITRE ATLAS, EU AI Act).
• Experience with Infrastructure-as-Code (Terraform, Ansible) and CI/CD pipelines.
• Experience working in regulated environments such as gaming, finance, or healthcare.

Nice to have

• Practical experience building CI/CD security gates and guardrails.
• Proficiency in Python and Bash scripting.
• Hands-on experience securing MCP/agentic AI infrastructure.
• Knowledge of AIBOM/SBOM tooling and MLSecOps/AI red-teaming.

Culture & Benefits

• Collaborative environment with a focus on ownership and curiosity.
• Continuous learning opportunities in the rapidly evolving field of AI security.
• Opportunity to shape the secure adoption of AI within a global gaming technology leader.
• Inclusive culture valuing diversity, transparency, and equal opportunities.