Manager, Network Security

ROLE SUMMARY
Our Global Cyber Defense team is responsible for safeguarding Pfizer's digital assets and infrastructure through proactive threat detection, response, and risk mitigation across on-premises, cloud, and hybrid environments.
The Manager, Network Security is a part of a team of network security engineers and partners closely with Infrastructure, Cloud Services, Manufacturing, and Cyber GRC teams to embed security controls aligned to industry best practices, regulatory expectations, and corporate risk tolerance.
ROLE RESPONSIBILITIES

• Define and maintain network security architecture across on‑premises, cloud, and hybrid environments, including segmentation, perimeter defense, and secure connectivity.
• Lead implementation and optimization of firewalls, IDS/IPS, secure web gateways, ZTNA, VPNs, and network access controls.
• Ensure network designs support regulated environments (e.g., GxP, validated systems) without impeding business operations.
• Oversee day‑to‑day network security operations, including monitoring, alert response, rule management, and incident support.
• Partner with SOC and incident response teams to investigate and remediate network‑based security events.
• Drive continuous improvements to detection, resilience, and availability of network security controls.
• Ensure alignment with cybersecurity frameworks and regulatory expectations, including NIST CSF, NIST SP 800‑53, ISO 27001, and company policies.
• Support audits, inspections, and risk assessments by providing architectural artifacts, evidence, and control narratives.
• Partner with Cyber GRC teams to translate risk requirements into enforceable network controls.
• Lead and mentor network security engineers and managed service providers.
• Collaborate with Infrastructure, Manufacturing, and Application Security teams.
• Provide clear executive‑level communication on risk posture, initiatives, and investment needs.

BASIC QUALIFICATIONS

• Bachelor's degree in Information Security, Computer Science, Engineering, or a related field, or equivalent experience.
• 5+ years of experience in cybersecurity or network security, with demonstrated responsibility for enterprise‑scale network environments.
• Experience designing and operating enterprise network security controls (firewalls, segmentation, IDS/IPS, proxies/SWG, VPN/ZTNA).
• Experience operating security controls in large, complex, and regulated enterprise environments.
• Demonstrated ability to lead cross-functional initiatives and deliver outcomes at scale.
• Demonstrated experience in an agile work environment possessing qualities such as a collaborative mindset, adaptability to change, and a proactive problem-solving approach.

PREFERRED QUALIFICATIONS

• Experience in pharmaceutical, biotech, life sciences, or similarly regulated industries.
• Experience supporting manufacturing/OT (ICS) security and secure plant connectivity.
• Familiarity with NDR, packet capture, and network telemetry pipelines integrated with SIEM/SOAR.
• Professional certifications such as CISSP, CISM, GIAC, or equivalent.
• Strong analytical and communication skills, with the ability to clearly articulate network security risks and design decisions to stakeholders.

Please apply by sending your CV in English.
Work Location Assignment: Hybrid
Purpose
Breakthroughs that change patients' lives... At Pfizer we are a patient centric company, guided by our four values: courage, joy, equity and excellence. Our breakthrough culture lends itself to our dedication to transforming millions of lives.
Digital Transformation Strategy
One bold way we are achieving our purpose is through our company wide digital transformation strategy. We are leading the way in adopting new data, modelling and automated solutions to further digitize and accelerate drug discovery and development with the aim of enhancing health outcomes and the patient experience.
Flexibility
We aim to create a trusting, flexible workplace culture which encourages employees to achieve work life harmony, attracts talent and enables everyone to be their best working self. Let's start the conversation!
Equal Employment Opportunity
We believe that a diverse and inclusive workforce is crucial to building a successful business. As an employer, Pfizer is committed to celebrating this, in all its forms - allowing for us to be as diverse as the patients and communities we serve. Together, we continue to build a culture that encourages, supports and empowers our employees.
Disability Inclusion
Our mission is unleashing the power of all our people and we are proud to be a disability inclusive employer, ensuring equal employment opportunities for all candidates. We encourage you to put your best self forward with the knowledge and trust that we will make any reasonable adjustments to support your application and future career. Your journey with Pfizer starts here!
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