AI Security Penetration Engineer

Citigroup Inc.; Belfast City; Hybrid; GBP 60,000 - 94,000; Full time

Benefits offered by this job

Cafeteria Program

Home Office Allowance

Private Medical Care

Pension Plan Contribution

Group Life Insurance

Employee Assistance Program

Learning & Development resources

Flexible work arrangements

Job summary

Citi Hungary is seeking an AI Offensive Security Analyst to run security assessments on AI systems and build AI-powered testing tools. You will test AI applications, agents, and LLM-backed products, and help secure enterprise-scale AI deployments across Citi.

You will work with security engineers to integrate testing into the build process and leverage AI to improve coverage and speed. The role requires practical pentesting experience, familiarity with Burp Suite/nuclei/nmap, and strong

Qualifications

• Hands-on experience running penetration tests or adversary simulations.
• Familiarity with Burp Suite, nuclei and nmap.
• Strong knowledge of OWASP Top 10 and MITRE ATLAS/LMM Top 10.
• Ability to triage findings and clearly communicate risk.

Responsibilities

• Test AI applications, agents, and LLM-backed products for security weaknesses.
• Leverage AI-assisted testing to broaden coverage and speed up discovery.
• Embed security reviews early in the development lifecycle.

Skills

Penetration testing

Vulnerability assessments

Red Team

OWASP Top 10

AI security testing

Education

Bachelor's in CS/InfoSec/Eng

Master's preferred

Tools

Burp Suite

nuclei

nmap

Job description

Citi Hungary is seeking an AI Offensive Security Analyst to run security assessments on AI systems and build AI-powered testing tools. You will test AI applications, agents, and LLM-backed products, and help secure enterprise-scale AI deployments across Citi.

You will work with security engineers to integrate testing into the build process and leverage AI to improve coverage and speed. The role requires practical pentesting experience, familiarity with Burp Suite/nuclei/nmap, and strong