Senior Security Engineer

Job Overview

Teads, The Global Media Platform, has an engineering team that brings together 200+ talented individuals in 3 main locations (Montpellier, Paris, and Bucharest). We are organized in agile and autonomous feature teams and share technical knowledge within several communities of practice.

We promote diversity and are committed to creating an inclusive environment to enable all employees to feel valued and respected, which fosters creativity and innovation by allowing constructive collaboration and open exchange of ideas.

Our company offers a hybrid work model, allowing two days in-office and the flexibility to work from home for the rest of the week. Additionally, we offer relocation packages for those who are interested in moving to one of our engineering offices.

 Join a team of passionate people who build quality and responsible advertising, at scale!

What You’ll Experience Within The Security Team

You’ll join a dynamic and collaborative team where continuous learning is not just encouraged, it’s a core part of our culture. We believe in growing together, which is why we regularly engage in pairing activities, allowing team members to learn from each other and tackle challenges collectively.

We also make learning fun and competitive with game-like activities such as King of the Hill and Capture the Flag (CTF) challenges. These exercises not only sharpen your technical skills but also foster teamwork and creative problem-solving in a supportive and engaging environment.

Our main Engineering challenges at Teads

Working in a very high-traffic environment (1.9 billion users per month, 100 billion events per day) with low latency and high availability constraints (2 million requests per second, responses in less than 150 milliseconds).Rich and diverse tech stack and system architecture to optimize for performance, scalability, resiliency, and cost efficiency. We use mostly Scala and TypeScript, among others.Management of large datasets with milliseconds order of magnitude access time, to compute in a near real-time complex auction resolution algorithm (18 million predictions per second).Build efficient and easy-to-use web products used by thousands of users working for the world’s most premium publishers, advertisers, and agencies.A fast-changing environment where we continuously collaborate with Product teams and constantly adapt our Cloud infrastructure for new features and Products.Bring a wide diversity of profiles to the same level of quality and knowledge.

What will you do?

As a Senior Security Engineer, your mission will be to:

Provide technical leadership and consultation for infrastructure engineers and developers to ensure the security of their entire stackIdentify security vulnerabilities and guide developers and engineers in addressing these issuesAs part of a team, ensure the adoption of security architecture and engineering initiatives in order to effectively and securely support the organization in meeting specific business technology needsDrive consideration of cybersecurity tools and datasets to enhance detective and preventive control setsUnderstand technical security issues and the implications to Teads businesses and be able to communicate them to managementUnderstand emerging security technologies and determine the appropriate use within business applicationsMaintain and enforce Teads cybersecurity policies and secure design baselinesExecute and improve Teads Security architecture review process and ensure compliance for all business initiativesArchitect global programs that deploy strong security patterns and controls across applications and computing environments, while addressing security, business resiliency, privacy and compliance frameworksImprove architectural adoption through automation and efficiently use security tools to solve challenges at scaleValidate reference architectures for security best practices and recommend changes to enhance security and reduce riskCollaborate with the corporate functions including Finance, HR, Legal and Privacy to ensure that Teads maintains a strong cybersecurity posture

What will you bring to the team?

Proven hands-on experience securing multi-cloud infrastructure/applicationExtensive Cloud Security Expertise: You possess deep knowledge in cloud security, covering everything from infrastructure security to application security across major cloud platforms like AWS, Azure, or GCP.Autonomous Problem-Solving: You are highly self-sufficient, able to identify, analyze, and resolve security issues independently while driving initiatives without constant oversight.Continuous Learning Mindset: You are passionate about staying up-to-date with the latest security trends, technologies, and best practices, and you proactively seek out opportunities to grow and improve.Broad Technological Proficiency: You have significant experience with key technologies relevant to cloud security, including containerization, CI/CD pipelines, IAM, encryption, IaC language, programming language and more.Collaborative Spirit: You are ready to work closely with cross-functional teams, share knowledge, and contribute to a culture of security awareness and excellence.Good verbal and written communication skills, specifically the ability to communicate within the context of the intended audience, whether that be senior executives or highly technical engineering resources.

Why work at Teads?

At Teads, Product and Engineering work hand in hand and are aligned towards the same goal: to scale our business while continuing to create new and exciting products.

We value team spirit, pragmatism, listening and we encourage initiatives.We promote end-to-end development: “You build it, you run it, you monitor it”.We share knowledge and support with each other beyond any organizational boundary.We fix issues during a blameless postmortem and learn from it so that it doesn’t happen twice.We are working together to create great engineering, but we are also supportive to promote a great work-life balance.

We Care About You

Security & Savings: Attractive package providing financial peace of mind, including competitive compensation, profit-sharing, daily meal vouchers (Swile), family health insurance (Alan), and a personalized relocation package (if needed).Career Development: Continuous investment in our employees’ skills: in-house and external training, tech conference opportunities, internal mobility (individual contributor or management career ladder).Life Balance: A well-balanced work-life for our employees is one of our top priorities: 35+ days off per year, hybrid work (2-3 days remote work per week, more is open to discussion), fully covered parental leave, and reserved daycare places.Wellness: Prioritizing employee well-being through premium work equipment, enjoyable work environment (work-life balance, team building events, summits), remote work subsidy, promoting Diversity & Inclusion with internal & external initiatives (women speaking groups, dedicated school partnerships), dedicated charitable time and sustainability actions (Eco Tree, subsidy for eco-mobility).

Discover more about our culture and benefits on our Engineering website.

What are our recruitment process steps?

We want to get to know you and we try to give you the insight you need to make an informed decision to join us. For that, you can find all the information in our Engineering hiring process article!

About Teads

Teads operates a leading, cloud-based, omnichannel platform that enables programmatic digital advertising across a global ecosystem of quality digital media.

As an end-to-end solution, Teads’ modular platform allows partners to leverage buy-side, sell-side, creative, data and AI optimization technologies. For advertisers and their agencies, Teads offers a single access point to buy the inventory of many of the world’s best publishers and content providers.

Through exclusive global media partnerships, Teads enables advertisers and agencies to reach billions of unique monthly users in brand safe, responsible advertising environments, while improving the effectiveness and efficiency of digital ad transactions.

Teads partners with the leading marketers, agencies and publishers through a team of 1,200+ people in 50 offices across more than 30 countries.

We’re committed to creating a dynamic work environment that values diversity and inclusion, and represents employees across a variety of skill sets. We embrace contributions from all ages, sexes, races, ethnicities, religions, sexual orientations and gender identities.