Lead AI Security Testing Engineer

We are seeking a Lead AI Security Testing Engineer to develop and implement AI-agentic solutions supporting security testing and vulnerability management processes. In this role, the successful candidate will collaborate closely with the client's security team to proactively identify and mitigate software vulnerabilities using advanced, AI-driven agentic workflows.

_This position offers hybrid setup with the flexibility to work from any location in Lithuania, whether it's your home or our dynamic offices in Vilnius and Kaunas._

• Build multi-agent systems, tool-use frameworks, and orchestration layers to drive autonomous security testing workflows
• Build robust, large-scale security testing frameworks and evaluation pipelines
• Perform LLM fine-tuning (utilizing LoRA, QLoRA, or similar techniques) specifically optimized for security domains
• Generate and manage large-scale datasets tailored for automated security testing
• Perform security testing activities to identify risks and vulnerabilities in software applications using AI-agentic security testing solutions
• Provide guidance and share best practices with internal security team on AI-driven secure testing methodologies
• Stay up to date with the latest AI-specific security vulnerabilities and threats, proactively recommending mitigation strategies
• Contribute to the overall development, standardization, and scaling of automated security testing methodologies

• 5+ years of experience as an AI/ML Solution Engineer or Security Engineer
• Proficiency in Python and Rust
• Proficiency in Claude Code, Codex, and Cursor
• Expertise in Vulnerability Management
• English proficiency at B2 level or higher

Nice to have

• Knowledge of Security Testing Methodologies
• Familiarity with Security Testing Tools

• Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges for over 30 years
• Advanced Tech Stack: Innovative projects where you can apply or enhance your expertise in Cloud, Data, AI, and other emerging technologies
• World-Class Clients: Work closely with 340+ of the Forbes Global 2000 on creating disruptive solutions that make a global impact
• Professional Growth: Exceptional support for career development with comprehensive resources for upskilling or reskilling in pioneering practices
• GenAI Community: Strong AI competencies with 600+ experts across 55+ locations driving GenAI-enabled transformation journeys
• Entrepreneurial Culture: If you're passionate and dedicated to improving business transformation, we provide the support you need to bring your ideas to life
• Hybrid Setup: The flexibility to work from any location in Lithuania, whether it's your home or our dynamic offices in Vilnius and Kaunas
• Other Benefits: Additional vacation and trust days, private health insurance, Employee Stock Purchase Plan and more