Senior Network Security Engineer

About the Company and Organization InterSystems is a global technology provider focused on high-performance data platforms that power mission-critical applications across healthcare, financial services, and the public sector. As the company continues its transition from primarily on-premises deployments to cloud-based and SaaS-delivered solutions, the Managed Services organization plays a central role in operating, securing, and scaling these environments for customers worldwide. Managed Services is responsible for the reliability, security, and compliance of InterSystems-hosted platforms across public cloud, private cloud, and datacenter environments. This includes enabling a consistent, secure operating model that meets stringent regulatory and customer requirements while supporting rapid innovation and service delivery. Role Summary The Senior Network Security Engineer is responsible for designing, implementing, and standardizing network security controls across Managed Services environments, ensuring secure and scalable connectivity across hybrid and multi-cloud platforms. Key Responsibilities Design and implement network security architectures across cloud and datacenter environments Lead standardization of firewall platforms and configurations (e.g., Palo Alto) Implement segmentation, zero trust networking, and secure access solutions Support secure connectivity including VPN, remote access, and interconnects Collaborate with network and platform teams to enforce security policies Lead incident response and troubleshooting for network security events Mentor engineers and drive adoption of best practices Required Qualifications and Experience 7+ years of experience in network security engineering Strong hands-on experience with Palo Alto firewalls (policy, NAT, VPN, Panorama) Experience with Cisco networking technologies and secure network design Knowledge of cloud network security (AWS, Azure security controls) Experience with segmentation and zero trust architectures Strong troubleshooting and analytical skills Experience in regulated environments preferred Relevant certifications encouraged (e.g., PCNSE, CCNP Security, CISSP) About InterSystems InterSystems, a creative data technology provider, delivers a unified foundation for next-generation applications for healthcare, finance, manufacturing, and supply chain customers in more than 80 countries. Our data platforms solve interoperability, speed, and scalability problems for large organizations around the globe to unlock the power of data and allow people to perceive data in imaginative ways. Established in 1978, InterSystems is committed to excellence through its 24×7 support for customers and partners around the world. Privately held and headquartered in Boston, Massachusetts, InterSystems has 38 offices in 28 countries worldwide. For more information, please visit https://cts.businesswire.com/ct/CT?id=smartlink&url=https://www.intersystems.com/&esheet=53379223&newsitemid=20230410005415&lan=en-US&anchor=InterSystems.com&index=4&md5=3edf749fa33f5a2ac0c355c410576e90. Offices: (Dublin);