Senior Illumio Resident Engineer
Position Overview
We are seeking a highly experienced, hands-on Illumio Resident Engineer to serve as the technical SME for a large enterprise Illumio environment.
This is not simply an operations or support role. We are looking for someone who can own the Illumio environment, drive Zero Trust Segmentation initiatives, troubleshoot complex issues, optimize policy, and work directly with security, network, infrastructure, application, and cloud teams.
The ideal candidate has significant real-world experience designing, deploying, administering, and troubleshooting Illumio Core / Illumio Segmentation in complex enterprise environments.
Key Responsibilities
Serve as the primary Illumio technical SME and trusted advisor for the customer.
Design, implement, manage, and optimize Illumio segmentation and microsegmentation policies across enterprise workloads.
Administer and support Policy Compute Engine (PCE) and Virtual Enforcement Node (VEN) environments.
Lead VEN deployment, pairing, upgrades, troubleshooting, and lifecycle management across Windows and Linux workloads.
Analyze application dependencies, network traffic flows, and workload communications to develop effective segmentation strategies.
Translate application and security requirements into least-privilege segmentation policies.
Develop and maintain labels, rulesets, services, workloads, scopes, and policy objects.
Troubleshoot complex PCE, VEN, connectivity, policy, certificate, and enforcement issues.
Monitor platform health and proactively identify performance, availability, configuration, and policy issues.
Plan and execute Illumio platform and VEN upgrades with minimal business disruption.
Support segmentation initiatives across data center, cloud, hybrid-cloud, and endpoint environments.
Partner closely with network, security, infrastructure, application, cloud, and operations teams to understand application dependencies and safely implement segmentation.
Build scripts and automation using Illumio REST APIs, Python, PowerShell, or similar tools.
Integrate Illumio with enterprise security and operational platforms such as SIEM, CMDB, ServiceNow, vulnerability management, and automation/orchestration tools.
Lead technical troubleshooting and coordinate escalations with Illumio Support and engineering when necessary.
Maintain architecture diagrams, operational procedures, policy documentation, upgrade plans, and troubleshooting runbooks.
Provide knowledge transfer and mentoring to internal engineering and security teams.
Recommend improvements to strengthen the organization s overall Zero Trust and segmentation strategy.
Required Experience
5+ years of network/security engineering experience, with significant hands-on experience supporting enterprise security environments.
3+ years of hands-on Illumio experience strongly preferred.
Demonstrated experience deploying and managing Illumio Core / Illumio Segmentation in a large enterprise environment.
Deep hands-on knowledge of:
oIllumio PCE
oVEN deployment and management
oIllumio policy model and rulesets
oLabels and application dependency mapping
oEnforcement and policy lifecycle
oTraffic-flow analysis
oPCE/VEN troubleshooting
oPlatform and VEN upgrades
Strong understanding of Zero Trust, microsegmentation, east-west traffic, least-privilege access, and breach containment.
Strong networking fundamentals including TCP/IP, routing, switching, DNS, firewalls, ports/protocols, and network security.
Strong Windows and Linux infrastructure knowledge.
Experience working with complex, business-critical applications and understanding application communication dependencies.
Experience with REST APIs and scripting/automation.
Strong troubleshooting skills with the ability to independently diagnose complex issues across application, network, operating system, and security layers.
Experience working in large, highly regulated or security-focused enterprise environments preferred.
Highly Desired
Illumio certifications or formal Illumio training.
Experience supporting 5,000+ workload Illumio environments.
Experience with AWS, Azure, and/or other public cloud environments.
Experience integrating Illumio with ServiceNow, Splunk or other SIEM platforms, CMDBs, and security tools.
Python, PowerShell, Ansible, Terraform, or similar automation experience.
Previous experience functioning as an Illumio Resident Engineer, Professional Services Engineer, or senior Illumio consultant
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
- Dice Id: cxbcsi
- Position Id: Job44970
- Posted 4 hours ago
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