Microsegmentation Engineer

About the role

The Senior Network Security Engineer will be responsible for implementing and operating an enterprise Zero Trust security strategy using Illumio. This role focuses on designing, implementing, and supporting microsegmentation controls to reduce lateral movement risk and enforce least-privilege access across enterprise workloads.

Responsibilities

• Design, implement, and maintain microsegmentation policies using Illumio.
• Analyze application communication flows and define dependencies.
• Enforce least-privilege access aligned to Zero Trust principles.
• Deploy segmentation policies across hybrid and on-prem environments.
• Collaborate with application and infrastructure teams.
• Troubleshoot blocked or unexpected traffic.
• Support change management and policy lifecycle operations.
• Document segmentation design and procedures.

Requirements

• 7 years experience in network security or cybersecurity engineering.
• 5 years of hands-on experience with Illumio.
• Strong understanding of Zero Trust principles.
• Solid networking fundamentals (TCP/IP, DNS, routing, firewalls).
• Experience with firewall policy design and traffic analysis.
• Strong understanding of network security technologies including firewalls, routing, ACLs, traffic analysis, and policy enforcement across on-premises and cloud environments.
• Experience analyzing network traffic and security logs to troubleshoot application connectivity and segmentation-related issues.
• Strong troubleshooting skills.
• Experience with Windows and Linux.

Qualifications

• Experience implementing microsegmentation policies at enterprise scale.
• Cloud security experience in Azure, AWS, and/or GCP environments.
• Hands-on experience with Palo Alto Networks and/or Check Point firewall administration, policy management, and traffic analysis.
• Experience using Splunk or similar SIEM and log analytics platforms (e.g., Microsoft Sentinel, QRadar, Elastic, LogRhythm) for security monitoring, troubleshooting, and traffic investigation.
• Scripting or automation experience using PowerShell, Python, or similar languages.
• Relevant security certifications such as CISSP, CCNP Security, PCNSE, CCSM, Security+, or equivalent.

Benefits

This role offers health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

Pay

Open to W2

Schedule

Multiyear Contract