Senior Security Engineer
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About this role
About Teads
Teads is a leading omnichannel advertising platform building the future of digital advertising where quality content, trusted publishers, ambitious brands, and human creativity can thrive. Operating at true scale - processing 18 billion ad opportunities every single day - we connect global brands with a monthly reach of over 2.2 billion unique users.
At Teads, we believe your impact travels further. We are a borderless team of 1,700+ innovators across 30+ countries who favor outcome over tenure, value trusted autonomy, and use predictive AI to amplify human ingenuity rather than replace it. We move at pace, tackle genuinely complex problems, and foster a high-accountability culture that stays genuinely human. If you are looking for room to build and meaningful scope, you belong here. Learn more at www.teads.com.
We’re hiring a Senior Security Engineer to help shift security left across product and platform teams, while also supporting internal corporate security needs. You’ll drive impact through enablement, automation, and practical risk reduction.
Why this role matters
You’ll secure both what we build and how we work. That means embedding security into our products and CI/CD, and also supporting internal teams.
Security here is not a gate; it’s a force multiplier. You’ll help engineering teams move faster safely, and ensure our colleagues have a secure foundation to do their best work.
Success means faster, safer releases and fewer reactive security escalations.
What will you do?
As a Senior Security Engineer, your mission will be to:
- Partner with developers to embed security into design, build, and deploy stages
- Automate vulnerability triage and mitigation flows
- Secure CI/CD pipelines (GitHub, Jenkins) and execution environments (Kubernetes, Docker)
- Tune WAFs, manage cloud security (AWS, GCP, Azure), and evolve Terraform practices
- Support internal teams with secure production accesses, endpoint hardening, and access policies
- Lead security reviews across app, infra, and corporate environments
- Advocate for security standards with clarity and empathy
You might be a fit if you:
- See security as an enabler of speed, not an obstacle
- Are comfortable in cloud and on-prem worlds
- Value autonomy, and naturally take ownership from idea to execution
- Can zoom out to prioritize risks and zoom in to fix root causes
- Communicate clearly with devs, ops, and business teams alike
- Eager to work in a technically challenging environment
You’ll grow by working with:
- Terraform, Docker, Kubernetes
- Modern security tools
- GitHub Actions, Jenkins
- AWS, Azure, GCP
- Teams building external-facing services (web apps, APIs) and internal platforms (CI/CD, admin tooling) to embed security by design.
- Supporting a public company environment with compliance requirements across multiple standards, including SOC 2 and ISO 27001
Skills that help (we’ll support your growth):
- Application Security: code review, threat modeling, WAF
- CloudSec: IAM, policy-as-code, workload hardening
- On-Prem/Corporate: endpoint protection, monitoring and production access control
- Communication: making risk visible and actionable
The Team Environment
You’ll join a cross-cultural, globally distributed security team that thrives on collaboration, curiosity, and continuous learning. We bring together a wide range of experiences and backgrounds to solve meaningful problems.
We support each other through knowledge sharing sessions, workshops, and async collaboration. You’ll have the chance to attend industry conferences, participate in internal guilds, and continuously sharpen your skills using our dedicated security training platform.
How we work:
- Autonomy with alignment: own your work, stay connected to purpose
- Bias for action: ship, learn, improve
- Enablement mindset: security exists to empower teams, not slow them down
- Simple and pragmatic: perfect is the enemy of shipped
Life at Teads
At Teads, we don’t just offer jobs. We blend creativity, technology, and cutting-edge data to shape the future of media.
As a Teadster, you’ll work alongside smart humans, collaborate with meaningful brands, and leverage advanced AI and automation to redefine how advertising works in a transparent, privacy-first world.
We are builders, innovators, and future-thinkers. If you are excited by the evolution of technology and ready to embrace the future of AI-driven media, you belong here.
Why Join Us?
- A New Era of Media: We’ve merged two open internet category leaders, Outbrain and Teads to create a unified omnichannel platform. Together, we drive results from branding to performance across CTV, mobile, and web.
- AI-Powered Innovation: We actively embrace AI and next-gen technology to solve complex industry challenges. We look for curious minds who aren't afraid to experiment, adapt, and lead the charge into the future of digital advertising.
- Growth & High Performance: Our culture is dynamic, global, and built on excellence. We are committed to your success, offering the modern tools, mentorship, and development opportunities you need to thrive.
- Belonging & Impact: We foster a welcoming, diverse environment where approachable, resourceful, and passionate people excel. Through our employee-led Employee Resource Groups (ERGs), you can actively drive change in areas like sustainability, women’s empowerment, charitable initiatives, and DE&I.
Equal Opportunity Employer
Teads is committed to diversity, equity, and inclusion at all stages of recruitment and employment. We celebrate unique perspectives and are dedicated to building a team that reflects the global communities we serve.
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