Lead Security Engineer

Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.

What powers it all? Our people are ambitious, collaborative, and constantly evolving.

About the Client

Founded in the Netherlands 180+ years ago, the company operates in over 150 countries. The customer is a global leader in information services for health, tax and accounting, risk and compliance, finance, and legal sectors.

Join a team building a comprehensive AI technology stack (focused on GenAI) that accelerates AI capabilities across hundreds of customer products. The platform integrates with major AI providers and enables scalable, production-ready AI solutions for professional users.

The team is divided into core development and product integration streams.

Project Tech Stack

Node.js (Nest.js), TypeScript, Python

React, Next.js

MongoDB, OpenSearch, DynamoDB

LLMs (ChatGPT), LangChain
AWS Lambda, Azure, Docker, GitHub Actions

Playwright

What You’ll Do

• Design and implement robust security measures for full-stack applications, AI agents, and platform components
• Develop and maintain secure CI/CD pipelines, focusing on DevSecOps practices, including but not limited to SAST, SCA, Secret Scannig and DAST
• Conduct threat modeling and implement least privilege principles across our GenAI infrastructure
• Collaborate with cross-functional teams to integrate security best practices into the SDLC
• Lead security initiatives for flagship projects like UpToDate Expert AI, ensuring patient data privacy and guideline fidelity
• Continuously evaluate and recommend new tools, technologies, and approaches to improve the platform and maintain a cutting-edge development environment
• Support and facilitate ongoing and future audits for various compliance frameworks, including SOC 2, HIPAA, and ISO 27001, ensuring the platform meets all necessary security and regulatory requirements
• Mentor junior engineers on security best practices and drive a security-first culture

What You Bring

• 8+ years of experience in cloud security engineering, with a strong focus on AWS and or Azure
• Expert-level knowledge of Python and Bash scripting for security automation
• Extensive experience with CI/CD security integration and DevSecOps practices
• Deep understanding of AI/ML security challenges and mitigation strategies
• Proven track record in implementing secure SDLC and privacy by design principles
• Strong background in threat modeling, risk assessment, and security architecture
• Experience with security in containerized environments (Docker, Kubernetes)
• Strong communication skills and the ability to work effectively across teams and with various stakeholders
• Ability to pass simple livecoding interviews, programming language doesn't matter
• US Central Time overlap required (9–11 AM CDT)

Nice to have

• Relevant security certifications (e.g. AWS Security Specialty, Azure Security Engineer Associate)
• Experience with security in large-scale, distributed systems
• Familiarity with healthcare data security regulations (e.g., HIPAA)
• Knowledge of LLM security considerations and best practices

English level

Upper-Intermediate

Legal & Hiring Information

• Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more
• Reasonable accommodations are available to enable individuals with disabilities to perform essential functions
• Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs

Your Benefits at Exadel

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

• International projects
• In-office, hybrid, or remote flexibility
• Medical healthcare
• Recognition program
• Ongoing learning & reimbursement
• Well-being program
• Team events & local benefits
• Sports compensation
• Referral bonuses
• Top-tier equipment provision

Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.