AI Security Engineer (Application Security)

Company Description About Playtech Founded in 1999, the company has a premium listing on the Main Market of the London Stock Exchange and is focused on regulated and regulating markets across its B2B business. By leveraging its proprietary technology, Playtech delivers innovative products and services to ensure a safe, engaging and entertaining gaming experience. As the gaming industry's leading technology company, it combines business intelligence-driven software, services, content, and platform technology to drive excellence and innovation across the sector. Read more about who we are and what we do here: www.playtechpeople.com and www.playtech.com Here at Playtech, we genuinely believe that people are our biggest asset. Diverse thoughts, experiences, and individual characteristics enrich our work environment and lead to better business decisions. Embracing differences and maintaining transparency in our processes is the core of Playtech's overall commitment to responsible business practices. Ready to level up your career? Playtech’s Security unit is looking for a proactive AI Security Engineer (Application Security) with excellent communication and problem-solving skills. You’ll be part of our Application Security team, doing the security engineering work the team is known for, with a focus on the AI-powered features and systems we build. Job Description Your influential mission. You will… • Perform threat modelling and security design reviews for applications, with a focus on AI and LLM-powered features. • Work closely with security, engineering and data science teams to identify, analyse and mitigate security vulnerabilities. • Review the security of AI application architecture, including RAG pipelines, agent and tool-calling flows, model APIs and integrations. • Test AI features adversarially for prompt injection, data leakage, jailbreaks and unsafe output handling. • Define guardrails, input and output validation, and monitoring for AI systems. • Help build secure-by-default patterns and guidance so teams can ship AI features safely. • Support development by using commercial and open source security technologies. • Track the evolving AI threat landscape and translate it into practical standards for our teams. Qualifications Components for success. You… • Have application security experience (secure code review, threat modelling, vulnerability management). • Have great written and spoken English. • Have higher education in the field of IT, or equivalent practical experience • Understand how LLM and ML systems are built and deployed, and can reason about their failure modes. • Have experience with at least one programming language (Java, Python, JavaScript, etc.) and scripting ability. • Have great analytical skills and can find solutions to problems. • Are positive and proactive, and comfortable working across teams. You’ll get extra points for… • Familiarity with AI security frameworks such as the OWASP LLM Top 10, MITRE ATLAS or NIST AI RMF. • Hands-on experience red-teaming AI models or AI-powered applications. • Experience with AI security or guardrail tooling. • Familiarity with security tools like Burp Suite, OWASP ZAP, SAST/DAST tools or other similar. • Knowledge of secure coding and design practices, and the secure software development lifecycle. • Understanding of data governance and privacy considerations in training and inference. Additional Information Thrive in a culture that values… • Collaboration and teamwork to share and work together to solve challenges. • Support continuous development through mentorship, training and hands-on experience. • Possibility to take ownership to improve security. • Diverse perspectives and backgrounds. APPLICATION SECURITY TEAM Our team helps ensure Playtech’s products are secure by design. We work closely with engineering, product, data science, and security teams across the business to identify risks, improve security practices, and support the delivery of secure solutions. As part of our international Application Security team, you'll collaborate with colleagues across multiple locations and work on a wide range of technologies, products, and security challenges. You'll also have the opportunity to help shape how Playtech secures AI-powered products and services while learning from experienced security professionals. Playtech is an equal opportunities employer. Our mission is to welcome everyone and create inclusive teams. We celebrate differences and encourage everyone to join us and be themselves at work.