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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Illumio Network Security Engineer - **Company:** VACO LLC - **Location:** Addison, TX, United States - **Salary:** $208,000.0 - $312,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Application Layers, Automation of Tests, Bash Shell, Border Gateway Protocol, Cloud Computing, Cyber Security, Computer Networks, Data Centers, Subnetting, Virtual Private Networks (VPN), Python (Programming Language), Network Security, Network Troubleshooting, Network Planning and Design, Network Monitoring, Routing, Network Segmentation, Packet Analyzer, Citrix Systems, Open Shortest Path First (OSPF), Windows PowerShell, Zero Trust Network Access, Runbook, Software Deployment, Virtual Local Area Networks, Wide Area Networks, Network Switches, Network Routers, Scripting, Google Cloud, Load Balancing, System Availability, Firewalls (Computer Science), Templating, Palo Alto Networks, Cloud Migration, Terraform, Open Network Automation Platform, Citrix Netscaler, Vmware - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=09b59b7f6d51923d ## About the Role * Illumio / Micro-Segmentation - Designing / Implementing Allow/Deny Policies / Micro-Segmentation Strategies / Associated Workflows * Network Engineering (fundamentals) - Applying Strong Enterprise Routing / Switching Knowledge (BGP / OSPF / VLANs / VRFs / High Availability / QoS) * Firewall / Security Platforms (deep experience) - Leveraging Palo Alto Firewalls / Panorama in Enterprise Environments * Load Balancing / ADC - Utilizing F5 / NetScaler / Citrix ADC for L4-L7 Load Balancing / Application Delivery * Troubleshooting / Problem Solving - Diagnosing Ambiguous / Cross-Domain Issues / Strong Critical Thinking Under Pressure * Automation / Scripting - Building Repeatable Workflows using Python / PowerShell / Bash and Network / Security APIs * Infrastructure as Code - Managing Network / Security Infrastructure using Terraform Across OnPrem / GCP * Network Automation (applying concepts) - Templating / Idempotency / Configuration Validation / Automated Testing * GCP Networking - Designing / Supporting GCP Networking (VPCs / Subnets / Firewalls / Cloud Router / VPN / Interconnect / Load Balancers / Hybrid Connectivity) * Communication - Effectively Communicating Technical Designs / Tradeoffs / Troubleshooting Findings Clearly to Technical / Non-Technical Stakeholders PREFERRED (not required) * Certifications - PCNSE / CCNP / CCIE / F5 / GCP Professional Network Engineer, etc. * Public Cloud / Modern Networking - Additional Public Clouds / SD-WAN / Zero Trust Network Architectures ## Description Vaco is currently seeking an Illumio Network Security Engineer for a 6M Contract opportunity that is remote. The Illumino Network Security Engineer will support a key client in a large-scale migration from OnPrem VMware to Google Cloud VMware Engine (GCVE). The Illumio Network Security Engineer is directly involved in client-facing and must possess a strong, hands-on doer mentality while simultaneously owning the design, implementation, and operations across data center and GCP cloud environments. * Network Security Transformation - Migrating from Traditional Firewalls to Illumio Host-Based Micro-Segmentation * Load Balancer Modernization - Transitioning From NetScaler / Citrix ADC to F5 for Application Delivery * Cloud Firewall Operations - Supporting Palo Alto Networks Firewalls Deployed within GCP Environments * Network / Security Architecture - Leading Design / Implementation / Optimization of Enterprise Network / Security Architecture Across OnPrem / GCP Environments * Micro-Segmentation / Policy Management - Owning Full Lifecycle of Illumio Policy Creation / Maintenance (Allow/Deny Rules / Segmentation Strategy / Testing / Change Management) * Firewall Engineering - Engineering / Deploying / Supporting Palo Alto Networks Firewalls / Panorama (Security Policy / NAT / VPN / Content Security Services) * Load Balancing / ADC - Designing / Operating / Troubleshooting F5/NetScaler / Citrix ADC Solutions for Application Delivery * Cloud Migration / Transformation - Supporting Lift-and-Shift Migration from OnPrem VMware to GCVE (Firewall / Load Balancer Transitions, etc.) * Network Troubleshooting - Diagnosing Complex L2-L7 Issues | Packet Captures / Logs / Flow Data Across Network / Firewall / Application Layers * Monitoring / Incident Prevention - Proactively Monitoring Network / Security Platforms to Identify Risks / Performance Issues / Drive Remediation * Automation / Scripting - Developing Scripts / Tooling to Automate Tasks / Validate Configurations / Remediate Network Issues * Infrastructure as Code - Contributing to IaC / Automation Efforts Using Terraform and Related Tooling * Cross-Functional Collaboration - Partnering with Security / Cloud / Application Teams to Translate Requirements into Resilient Network Designs * Documentation / Knowledge Sharing - Creating / Maintaining Technical Documentation / Runbooks / Architecture Diagrams, Vaco by Highspring and its parents, affiliates, and subsidiaries ("we," "our," or "Vaco by Highspring") respects your privacy and are committed to providing transparent notice of our policies. * California residents may access Vaco by Highspring HR Notice at Collection for California Applicants and Employees here. * Virginia residents may access our state specific policies here. * Residents of all other states may access our policies here. * Canadian residents may access our policies in English here and in French here. * Residents of countries governed by GDPR may access our policies here. ## Related Videos - [Demystifying application networking in the cloud](https://www.wearedevelopers.com/videos/675-demystifying-application-networking-in-the-cloud) - [Technical Documentation - How Can I Write Them Better and Why Should I Care?](https://www.wearedevelopers.com/videos/681-technical-documentation-how-can-i-write-them-better-and-why-should-i-care) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [Bridging AI and Nomad: a Go-based MCP Server for Cluster Control](https://www.wearedevelopers.com/videos/2063-bridging-ai-and-nomad-a-go-based-mcp-server-for-cluster-control) ## Related Articles - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Stephan Gillich - Bringing AI Everywhere](https://www.wearedevelopers.com/magazine/489-stephan-gillich-bringing-ai-everywhere) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Got AI ideas but no money? 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