VMware NSX-T Administrator

## Job Summary We are seeking an experienced **VMware NSX-T Administrator** to support the design, deployment, administration, security, and ongoing operation of an enterprise VMware NSX-T environment. The ideal candidate will have strong hands-on experience with **VMware NSX-T, network virtualization, micro-segmentation, VMware vSphere, ESXi, vCenter, routing protocols, network security, troubleshooting, and automation**. This position will work closely with network engineering, infrastructure, server, security, and architecture teams to maintain highly available and secure virtualized networking environments while supporting platform modernization and data center initiatives. ## Key Responsibilities * Design, configure, implement, and administer enterprise **VMware NSX-T** environments. * Manage NSX-T logical switching, logical routing, transport zones, transport nodes, edge nodes, and network overlays. * Configure and maintain **NSX Distributed Firewall (DFW)** policies. * Design and implement **micro-segmentation** strategies for virtual workloads. * Configure and support NSX-T load balancing and related network services. * Maintain network connectivity between virtualized environments and physical infrastructure. * Configure and troubleshoot networking technologies and routing protocols including: * VLANs * VXLAN/Geneve overlays * BGP * OSPF * TCP/IP * DNS * Routing and switching * Perform upgrades, patching, lifecycle management, and maintenance of NSX-T and associated VMware infrastructure. * Monitor NSX infrastructure availability, utilization, health, logs, capacity, and performance. * Diagnose and resolve complex issues involving: * Network overlays * Transport nodes * Edge appliances * Routing * Switching * Firewall policies * Physical network integrations * Virtual networking * Administer and support VMware technologies including **vSphere, ESXi, and vCenter**. * Work closely with security teams to maintain network security standards and segmentation policies. * Support architecture planning, infrastructure upgrades, migrations, and new platform deployments. * Develop automation and scripts to improve operational efficiency and configuration consistency. * Utilize technologies such as: * PowerShell * VMware PowerCLI * Python * REST APIs * Develop and maintain infrastructure documentation, including: * Network topology diagrams * Configuration documentation * Standard operating procedures * Troubleshooting procedures * Disaster recovery documentation * Participate in incident response and provide advanced escalation support for network virtualization issues. * Support disaster recovery and business continuity planning for VMware networking infrastructure. * Participate in an on-call rotation as required for critical infrastructure incidents. ## Required Qualifications * Strong hands-on experience administering **VMware NSX-T** in enterprise environments. * Strong understanding of enterprise networking concepts and protocols. * Experience with: * VLANs * BGP * OSPF * Network overlays * Routing * Switching * Hands-on experience with **VMware vSphere, ESXi, and vCenter**. * Strong knowledge of VMware network virtualization architecture. * Demonstrated ability to troubleshoot complex networking and virtualization issues across multiple infrastructure layers. * Experience implementing or supporting **micro-segmentation**. * Strong understanding of network security best practices. * Experience creating and managing NSX-T firewall and security policies. * Experience with infrastructure automation or scripting using one or more of the following: * PowerShell * PowerCLI * Python * REST APIs * Strong troubleshooting, analytical, and problem-solving skills. * Ability to collaborate with network, server, infrastructure, cybersecurity, and architecture teams. * Strong technical documentation skills. ## Highly Desired Qualifications * VMware certification such as: * **VCP-NV – VMware Certified Professional, Network Virtualization** * **VCAP-NV – VMware Certified Advanced Professional, Network Virtualization** * Comparable VMware certification or equivalent hands-on expertise * Experience with cloud networking environments, particularly: * Microsoft Azure * Amazon Web Services (AWS) * Experience with infrastructure monitoring and analytics tools such as: * VMware Aria Operations * VMware Aria Operations for Networks / vRealize Network Insight * SolarWinds * Splunk * Experience supporting enterprise data center modernization or virtualization initiatives. ## Candidate Location Requirement **Candidates must currently reside in Pennsylvania.** This is a hybrid position requiring approximately **one day per week onsite in Harrisburg, Pennsylvania**. ## Additional Requirements Any assigned equipment must remain within the United States and cannot be taken or used outside the United States. The selected consultant must comply with all applicable information security, equipment handling, and remote-work requirements.