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Senior Network Security Engineer

InterSystems -
Dublin, County Dublin

Quick apply

Job details

Qualifications

Azure
Firewall
AWS
Analysis skills
Network security
VPN

Full job description

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 InterSystems.com.

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