Senior Security Engineer (Security Architect)

The Role: 

Joining Moderna offers the unique opportunity to be part of a pioneering team that's revolutionizing medicine through mRNA technology with a diverse pipeline of development programs across various diseases.

As an employee, you'll be part of a continually growing organization, working alongside exceptional colleagues and strategic partners worldwide, contributing to global health initiatives.

Moderna's commitment to advancing the technological frontier of mRNA medicines ensures a challenging and rewarding career experience with the potential to make a significant impact on patients' lives worldwide​.

Moderna is solidifying its presence within our international business services hub in Warsaw, Poland, a city renowned for its rich scientific and technological heritage. This hub provides critical functions, meeting the growing demand of Moderna’s global business operations. We're inviting professionals from around the world to join our mission and contribute to the future of mRNA medicines​.

As a Senior Security Engineer (Security Architect), you will play a critical role in securing Moderna’s hybrid infrastructure—spanning both on-premise and cloud environments. You will lead risk assessments of complex cloud systems, optimize network security strategies, and provide expert guidance on network architecture. Your deep understanding of the TCP/IP stack and cloud security configurations will help drive a resilient and secure network and application ecosystem.

This role requires a strategic thinker and technical expert who can conduct full-scale risk assessments of custom-built applications, proactively identify and mitigate security misconfigurations, and work closely with security operations teams to enhance detection and response capabilities. You will collaborate across teams to threat model both the network and application stack, ensuring robust security postures for Moderna’s digital ecosystem.

Here’s What You’ll Do:

Your key responsibilities will be:

• Lead risk assessments across on-premise and cloud environments, identifying vulnerabilities and recommending mitigation strategies for both COTS products and custom in-house developed services.

• Enhance Moderna’s network security posture, procedures, and strategy across the enterprise.

• Conduct threat modeling exercises with partners in network security and application security, ensuring proactive defense measures.

• Identify and remediate cloud security misconfigurations, collaborating with SOC analysts to enhance detection and response capabilities.

• Drive security best practices in network design, segmentation, and zero-trust architecture.

Your responsibilities will also include:

• Partner with cross-functional teams to integrate network security controls into cloud-native and hybrid infrastructures.

• Track and report key performance metrics related to network security posture and incident response efficiency.

• Stay ahead of emerging cybersecurity threats and proactively address potential risks within Moderna’s digital ecosystem.

• Contribute to Moderna’s security operations strategy, ensuring best-in-class network security frameworks.

The key Moderna Mindsets you’ll need to succeed in the role:

• We question convention – You challenge traditional security methodologies and bring innovative thinking to secure a rapidly evolving digital landscape​.

• We digitize everywhere possible – You leverage automation and digital tooling to enhance security visibility and ensure scalable security solutions across Moderna’s hybrid infrastructure​.

Here’s What You’ll Need:

• 5+ years of experience in cybersecurity, with a focus on network security, application security, and risk assessment.

• Expertise in hybrid network environments, including on-prem and cloud security architectures (AWS, Azure, or GCP).

• Deep technical knowledge of the TCP/IP stack, network protocols, and security controls.

• Proven ability to conduct network risk assessments and cloud security reviews.

• Strong understanding of cloud security misconfigurations and code security principles.

• Hands-on experience with firewalls, IDS/IPS, VPNs, and zero-trust architectures.

• Experience working with a SOC to refine cloud security monitoring and detection capabilities.

• Ability to develop and refine security playbooks, ensuring effective incident response for network-related threats.

• Strong leadership skills, capable of providing technical mentorship and communicating complex security issues to senior stakeholders.

• Exceptional analytical, critical thinking, and problem-solving skills with a strategic mindset.

This role is ideal for someone who thrives in a high-impact, hands-on security environment, balancing technical depth with strategic security leadership. If you are passionate about making an impact, we’d love to hear from you.

Moderna offers personalized benefit programs and well-being resources as unique as our global workforce so employees can do their best work.

We recognize and appreciate your diverse needs and interests and do our best to support you at work and at home with:

• Quality healthcare and insurance benefits
• Lifestyle Spending Accounts to create your own pathway to well-being
• Free premium access to fitness, nutrition, and mindfulness classes
• Family planning and adoption benefits
• Generous paid time off, including vacation, bank holidays, volunteer days, sabbatical, and a discretionary year-end shutdown
• Educational resources
• Savings and investments
• Location-specific perks and extras!

The benefits offered may vary depending on the nature of your employment with Moderna and the country where you work.

About Moderna

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 to learn more about our current opportunities.

Moderna is a smoke-free, alcohol-free and drug-free work environment.

Moderna is a place where everyone can grow. If you meet the Basic Qualifications for the role and you would be excited to contribute to our mission every day, please apply!

Moderna is committed to equal employment opportunity and non-discrimination for all employees and qualified applicants without regard to a person's race, color, sex, gender identity or expression, age, religion, national origin, ancestry or citizenship, ethnicity, disability, military or protected veteran status, genetic information, sexual orientation, marital or familial status, or any other personal characteristic protected under applicable law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.

Belonging, Inclusion, and Diversity are critical to the success of our company and our impact on society. We’re focused on attracting, retaining, developing, and advancing our employees and believe that by cultivating diverse experiences, backgrounds, and ideas, we can provide an environment where every employee is able to contribute their best.

Moderna is committed to offering reasonable accommodations or adjustments to qualified job applicants with disabilities. Any applicant requiring an accommodation or adjustment in connection with the hiring process and/or to perform the essential functions of the position for which the applicant has applied should

contact the Accommodations and Adjustments team at leavesandaccommodations@modernatx.com.

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