Sr. AI Security Engineer

7+ years of experience in cybersecurity, with strong depth in application and code security architecture.

Demonstrated experience reviewing custom-built applications and services for security risk, including secure design, code-level weaknesses, and architectural flaws.

Strong understanding of secure software development practices, threat modeling, dependency and package risk, secrets management, and common application security vulnerabilities.

Broad security knowledge across cloud, network, and AI domains, with the ability to assess risk beyond the codebase and understand how controls interact across layers.

Experience assessing cloud security architectures and identifying misconfigurations in modern hybrid environments.

Working knowledge of network security fundamentals, including segmentation, core protocols, and common enterprise security controls.

At Moderna, we believe that when you feel your best, you can do your best work.

That’s why our benefits and well-being resources are designed to support you—at work, at home, and everywhere in between.

Competitive healthcare, plus voluntary benefit programs to support your unique needs

A holistic approach to well-being with access to fitness, mindfulness, and mental health support

Family building benefits, including fertility, adoption, and surrogacy support

Generous paid time off, including vacation, bank holidays, volunteer days, sabbatical, global recharge days, and a discretionary year-end shutdown

Joining Moderna means advancing mRNA science to transform medicine.

Work with exceptional global teams on a broad pipeline and build a career that makes a real difference for patients. Moderna is strengthening its international business services hub in Warsaw, supporting our growing global operations.

We welcome professionals ready to help advance our mission and shape the future of mRNA medicines.

This is an opportunity to shape the future of code security across Moderna's regional technology landscape, influencing how secure software is designed, built, and deployed at enterprise scale.

As a senior individual contributor, you will combine deep application security expertise with broad architectural knowledge spanning cloud, network, and AI-enabled environments, partnering with engineering teams to embed security into every stage of the software development lifecycle.

Working across modern development platforms, source control, artifacts, and CI/CD pipelines, you will help drive secure-by-design engineering while enabling innovation, including the responsible adoption of Generative AI and AI-enabled technologies.

Since our founding in 2010, we have aspired to build the leading mRNA technology platform, the infrastructure to reimagine how medicines are created and delivered, and a world-class team. We believe in giving our people a platform to change medicine and an opportunity to change the world.

By living our mission, values, and mindsets every day, our people are the driving force behind our scientific progress and our culture. Together, we are creating a culture of belonging and building an organization that cares deeply for our patients, our employees, the environment, and our communities.

We are proud to have been recognized as a Science Magazine Top Biopharma Employer, a Fast Company Best Workplace for Innovators, and a Great Place to Work in the U.S.

As we build our company, we have always believed an in-person culture is critical to our success. Moderna champions the significant benefits of in-office collaboration by embracing a 70/30 work model. This 70% in-office structure helps to foster a culture rich in innovation, teamwork, and direct mentorship. Join us in shaping a world where every interaction is an opportunity to learn, contribute, and make a meaningful impact.

If you want to make a difference and join a team that is changing the future of medicine, we invite you to visit

modernatx.com/careers