About the role
RMG Talent is working with a rapidly growing technology company with over 50 million users worldwide that is seeking to onboard a Security Engineer to join their R&D team. As the company's sole dedicated Security Engineer, the successful candidate will take end-to-end ownership of security operations, covering application security, vulnerability management, governance and risk, and emerging AI security challenges. The company's products include adult/NSFW content, so candidates must be fully comfortable working with this material.
Responsibilities
•Application security: review code, find and fix vulnerabilities, work with developers in Git/GitHub, and coordinate external pen tests and audits.
•Governance, risk and compliance: build and maintain the security risk register, assess exposure across systems, support audit follow-up, and prioritise fixes by risk and business impact.
•Monitoring and awareness: watch alerts and threats, run awareness programmes and phishing simulations, and provide occasional evening and weekend cover.
•IT security and access: handle secure onboarding and offboarding, device security (MDM) and access permissions, and tighten internal controls.
•AI security: track risks to generative AI platforms (prompt injection, jailbreaks, filter bypasses) and vulnerabilities in third-party AI providers.
Requirements
•2–3+ years of hands-on security engineering experience, with flexibility for exceptional scale-up experience
•Strong application security experience, including code reviews and vulnerability remediation
•Proven experience conducting or coordinating security audits and penetration tests
•Comfortable coding and working directly with Git/GitHub
•Practical scripting or automation skills, ideally Python or Bash
•Previous experience within an AI company or a scale-up with 50+ employees
•Sound understanding of security governance, risk assessment and prioritisation
•Ability to independently identify, investigate and resolve security issues, and to take end-to-end ownership in a fast-paced environment
•Excellent English communication skills
•Based in Europe, with approximately 80% overlap with CET working hours
•Comfortable with occasional evening/weekend security monitoring
•Fully comfortable working with adult/NSFW content as part of daily responsibilities
Conditions
•Fully remote working from Europe
•Opportunity to own security for a fast-growing AI platform with over 50 million users
•Direct collaboration with engineering leadership
•Hands-on, non-advisory role with real responsibility for security outcomes
