Sr Information Security Engineer

At Perrigo, we are proud to be a Top 10 player in the European Consumer Self‑Care market and the largest U.S. store brand provider of over‑the‑counter and infant formula. We are committed to enhancing the well‑being of our colleagues and consumers alike.

The Sr Information Security Engineer designs, implements, and maintains enterprise security controls across network, identity, endpoint, cloud, and privileged access domains. This role supports both operational security and strategic initiatives to enhance the organization’s overall cybersecurity posture.

This position may be filled at either a mid‑level or senior level, depending on experience. Senior candidates will be expected to take on broader design responsibilities and lead initiatives.

• Design, implement, and manage enterprise security controls across network, endpoint, identity, and cloud environments
• Monitor and continuously improve the effectiveness of security controls and tooling
• Support incident response activities, including investigation and remediation efforts

• Configure and maintain firewall policies across Palo Alto and Cisco firewall platforms
• Support network segmentation strategies, including DMZ and internal segmentation design
• Perform rule reviews, audits, and optimization to reduce risk and improve security posture

• Implement and support Cisco ISE for network access control and authentication
• Support secure access initiatives leveraging Cisco Secure Internet Access

• Deploy, configure, and maintain the Crowd Strike Falcon platform
• Support threat detection, analysis, and response improvements

• Design and implement Azure‑native security controls, including Network Security Groups, Azure Firewall, and Web Application Firewalls
• Support secure cloud architecture patterns and zero‑trust principles

• Bachelor’s degree in Cybersecurity, Information Technology, or related field (or equivalent experience)
• Mid‑Level: 3–5+ years of relevant cybersecurity experience
• Senior‑Level: 7+ years of cybersecurity engineering experience with design/lead responsibility
• Strong understanding of enterprise security principles and practices

• Cisco ISE (Network Access Control)
• Cisco Secure Access (SASE / Zero Trust)
• Crowd Strike Falcon suite
• Palo Alto and/or Cisco Firewalls (NGFW/ASA)
• Azure security services (NSGs, Azure Firewall, WAFs)
• Cloudflare (WAF, CDN, Zero Trust, or related capabilities)
• Experience supporting hybrid enterprise environments

• Network security design and firewall administration
• Endpoint detection and response (EDR)
• Cloud security architecture (Azure)
• Strong troubleshooting and analytical skills

• CISSP, CCNP Security / CCNA Security, PCNSE, or equivalent
• Azure security certifications (e.g., AZ‑500)
• Crowd Strike certifications

• Strong communication and cross‑functional collaboration skills
• Ability to translate security requirements into technical solutions
• Strong ownership mindset with ability to work independently
• Mentorship and technical leadership capabilities (Senior level)

We believe our people are our greatest asset. Alongside competitive compensation, we offer benefits tailored to supporting you and your family, as well as career development opportunities to ensure you feel valued and supported, both professionally and personally.

We promote flexibility with the ability to work two days a week from home in many roles.

We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or other characteristics protected by law.