Senior Network Security Engineer

The Role:

This role is an exciting opportunity to be a key player in securing the global network infrastructure of a high-growth organization that is transforming the biotech industry. We are seeking a Senior Network Security Engineer with deep expertise in designing, implementing, and maintaining security solutions across enterprise and cloud environments. The ideal candidate will have a proven track record in delivering secure, scalable, and reliable network security systems that protect critical infrastructure and sensitive data, while ensuring compliance with industry best practices, including GxP where applicable.

Here’s What You’ll Do:

• Network Security Architecture & Operations

• Design, implement, and manage a comprehensive network security framework, including firewalls, VPNs, network access control (NAC), and secure access solutions (CASB).

• Research, evaluate, and recommend cutting-edge security technologies including SIEM systems, threat intelligence platforms, and security monitoring tools to proactively mitigate risks.

• Define, implement, and enforce network security policies and standards, ensuring alignment with industry best practices and regulatory requirements.

• Oversee the deployment, configuration, and maintenance of security HW & SW from industry-leading vendors such as Cisco, Palo Alto Networks, Infoblox, etc.

• Continuously monitor security logs, network activity, and performance metrics to identify vulnerabilities and implement corrective actions.

• Incident Response & Risk Mitigation

• Collaborate with internal security, IT, and operations teams to investigate and respond to security incidents, ensuring rapid mitigation with minimal operational impact.

• Conduct root cause analysis (RCA) and post-incident reviews to strengthen security posture and prevent recurrence.

• Develop and maintain incident response protocols, security playbooks, and operational procedures.

• Security Automation & Compliance

• Implement and manage security automation frameworks.

• Work with compliance and audit teams to ensure adherence to regulatory requirements such as GxP, NIST, and ISO 27001.

• Participate in internal and external security audits, ensuring security configurations meet compliance standards.

• Collaboration & Knowledge Sharing

• Work cross-functionally with network engineering, security operations, and IT teams to integrate security best practices into infrastructure and application architectures.

• Provide mentorship and training to internal teams on security best practices, emerging threats, and risk mitigation strategies.

• Maintain and update technical documentation, including security architecture diagrams and standard operating procedures (SOPs).

• Global Support & On-Call Readiness

• Participate in a defined on-call rotation to provide global security incident support and serve as a Level 3 escalation point.

• Support security lifecycle management initiatives, including threat modeling, penetration testing coordination, and vulnerability assessments.

Here’s What You’ll Need (Basic Qualifications)

• 8+ years of experience in network security architecture, implementation, and operations within large-scale enterprise environments.

• Deep expertise in firewalls, IPS/IDS, VPN, Secure Access (CASB), SIEM, DNS Security, and Network Access Control (NAC).

• Extensive technical knowledge of industry-leading security platforms such as Cisco, Palo Alto Networks, Infoblox, and other.

• Strong problem-solving skills with the ability to analyze and respond to emerging security threats effectively.

• A customer-first mindset with a commitment to protecting organizational assets and data integrity.

Here’s What You’ll Bring to the Table (Preferred Qualifications):.

• Experience working in GxP-regulated environments is a plus. If no prior GxP experience, the candidate should be capable of quickly learning GxP requirements and implementing best practices for compliance.

• Experience in biotech, pharmaceutical, or healthcare settings is preferred.

• Proven project management skills, with the ability to independently lead small to medium-sized security initiatives.

• Experience with security automation and scripting (Python, Ansible) to streamline security processes and enforce Infrastructure as Code (IaC) principles.

• A passion for staying ahead of security threats, trends, and emerging technologies.

• Excellent written and verbal communication skills, with the ability to produce clear documentation and executive-level reports.

• Industry certifications such as CISSP, CISM, CCNP Security, PCNSE, or equivalent network security credentials are a plus.

• Ability to collaborate effectively across internal teams, stakeholders, and external partners to enhance security posture.

At Moderna, we believe that when you feel your best, you can do your best work.  That’s why our US benefits and global well-being resources are designed to support you—at work, at home, and everywhere in between.

• Best-in-class healthcare coverage, plus a suite of voluntary benefit programs to support your unique needs
• A holistic approach to well-being, with access to fitness, mindfulness, and mental health support
• Lifestyle Spending Accounts to personalize your well-being journey
• Family planning and adoption benefits
• Generous paid time off, including vacation, volunteer days, sabbatical, global recharge days, and a discretionary year-end shutdown
• Savings and investment opportunities
• Location-specific perks and extras

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. 

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. 

Our Working Model 

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. 

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

Equal Opportunities

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.  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 an E-Verify Employer in the United States. We consider qualified applicants regardless of criminal histories, consistent with legal requirements. 

Accommodations

We’re focused on attracting, retaining, developing, and advancing our employees. By cultivating a workplace that values diverse experiences, backgrounds, and ideas, we create an environment where every employee can contribute their best. 

Moderna is committed to offering reasonable accommodations to qualified job applicants with disabilities. Any applicant requiring an accommodation 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 team at leavesandaccommodations@modernatx.com. 

Export Control Notice

This position may involve access to technology or data that is subject to U.S. export control laws, including the Export Administration Regulations (EAR). As such, employment is contingent upon the applicant’s ability to access export-controlled information in accordance with U.S. law. Due to the nature of the work and regulatory requirements, only individuals who qualify as U.S. persons (citizens, permanent residents, asylees, or refugees) are eligible for this position. For this role Moderna is unable to sponsor non-U.S. persons to apply for an export control license.

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