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Posted Mar 31, 2026

Senior Network Virtualization Engineering

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This is a remote position. Location: Remote Engagement Type: Project-based Assignment; B2B Contract (Outside IR35) Duration: 6 months with auto-renew Timezone: CET ± 3 hours Be part of our Global Engineering Network! One of our clients in the IT Consulting sector is looking for a Network Virtualization Engineer with deep expertise in VMware NSX. Key Deliverables - Design and architect VMware NSX-T Data Center solutions for greenfield deployments and brownfield migrations (NSX-V to NSX-T). - Develop overlay transport zones, logical switches, Tier-0/Tier-1 gateways, and routing protocols (BGP/OSPF) within the NSX environment. - Design Distributed Firewall (DFW) and Gateway Firewall policies to enforce Zero-Trust security models. - Integrate NSX with vSphere, vRealize Automation, Kubernetes (via NSX Container Plugin/NCP), and public cloud providers (AWS/Azure) for hybrid networking. - Deploy and manage the full NSX management cluster (Managers, Controllers, Edge Nodes). - Perform lifecycle management: upgrades, patching, and capacity planning for NSX components. - Troubleshoot complex networking issues involving VXLAN/Geneve encapsulation, routing, and high availability (active/standby or active/active Edge clusters). - Develop Infrastructure as Code (IaC) using Terraform, Ansible, or PowerCLI to automate NSX configurations. - Collaborate with DevOps teams to enable CI/CD pipelines that require on-demand network segmentation and load balancing. Requirements - 5+ years of experience in network engineering, with focus on VMware NSX. - Expert knowledge of NSX-T architecture (3.x). Experience with NSX-V is a plus. - Deep understanding of routing (BGP, OSPF, IS-IS), switching (VLAN, VXLAN, Geneve), firewalls, and load balancing. - Strong grasp of VMware vSphere (ESXi, vCenter) and storage architectures. - Proficiency in Linux system administration for troubleshooting NSX appliances. - Proficiency in Python, PowerCLI, REST APIs, and Ansible/Terraform. - VMware Certified Advanced Professional (VCAP) – Network Virtualization or VMware Certified Design Expert (VCDX) – Network Virtualization. - VMware NSX-T Data Center: Install, Configure, Manage [V3.x]. - CCNP/CCIE (Enterprise or Data Center) or equivalent. ​ Why Partner with Us? · Clear scope with no ambiguity over deliverables. · Opportunity for repeat engagements based on performance. Selection Process 1. Proposal Submission       o Submit your professional profile/CV by applying on the role. 2. Business Alignment Call       o 30-min virtual discussion with Human Capital Consultant to review scope 3. Verification       o Opportunity to complete Castille Vetting (background/compliance checks) 4. Client Skills Review       o Direct interview with end client to discuss project specifics       o Project-specific technical assessment (if required) Ongoing Business Support · Access to CX guidance and market insights through our professional network. ​