NSX Administrator

Mbi Llc; Harrisburg, Northern (Dauphin County, KY); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Mbi Llc is seeking an NSX Administrator to design, deploy and manage VMware NSX-T environments across enterprise data centers. You will ensure stability, security, and performance while collaborating with security, systems, and network teams to support architecture designs and upgrades.

Responsibilities include automation development, lifecycle management, and incident response, with emphasis on micro-segmentation and advanced troubleshooting across overlays and physical integrations.

Qualifications

• The candidate has hands-on NSX-T administration in enterprise environments.
• They understand VLANs, BGP, OSPF and VXLAN networking concepts.
• Experience troubleshooting complex networking and virtualization issues.
• Familiar with network security best practices and micro-segmentation design.
• Proficient in automation using PowerShell/PowerCLI, Python, or REST APIs.
• VMware certifications such as VCP-NV/VCAP-NV are highly valued.
• Knowledge of cloud networking concepts (AWS, Azure) is a plus.
• Experience with monitoring tools such as vRealize/NIX, Aria, or Splunk is desirable.

Responsibilities

• Design, deploy and manage VMware NSX-T environments.
• Maintain stability, security and performance of virtual networks.
• Develop automation to streamline NSX operations.
• Lead lifecycle management of NSX components and VMware platforms.
• Monitor NSX health, performance and logs with native/third-party tools.
• Troubleshoot complex issues across overlays, transport nodes and integrations.
• Collaborate with network, security and systems teams on designs and upgrades.
• Document topology, SOPs and configuration records.
• Support incident response and participate in on-call rotations.

Skills

VMware NSX-T

Networking concepts

vSphere ESXi vCenter

Automation scripting

Security micro-segmentation

REST APIs

PowerShell/PowerCLI

Python

Cloud networking

Monitoring tools

Education

VMware certifications (VCP-NV/VCAP-NV)

Tools

vSphere

ESXi

vCenter

Job description

- The NSX Administrator is responsible for the design, deployment, configuration, and ongoing management of VMware NSX environments.

- This role ensures the stability, security, and performance of virtualized network infrastructure while collaborating closely with security, systems, and network teams.

- The NSX Administrator also provides advanced troubleshooting, develops automation to streamline operations, and supports overall data center modernization initiatives.

Key Responsibilities

- Design, implement, and administer VMware NSX-T environments, including logical routing, switching, load balancing, and distributed firewall policies.

- Manage micro segmentation strategies and enforce network security posture across virtualized workloads.

- Perform regular maintenance, updates, and lifecycle management of NSX components and related VMware platforms.

- Monitor NSX infrastructure health, performance, capacity, and logs using native tools and third-party monitoring systems.

- Troubleshoot complex issues involving network overlays, transport nodes, edge appliances, and integrations with physical networks.

- Collaborate with network, server, and security teams to support architecture designs, platform upgrades, and new deployments.

- Develop and maintain documentation including topology diagrams, standard operating procedures, and configuration records.

- Implement automation and scripting to improve efficiency, consistency, and disaster recovery readiness.

- Support incident response activities related to network virtualization and ensure timely resolution.

- Participate in on‑call rotation and provide escalation support for critical infrastructure issues.

Fill the skill matrix below:

Skill

Amount

Candidate's No. of years of experience

Strong experience administering VMware NSX-T in enterprise environments.

Solid understanding of networking concepts including VLANs, BGP, OSPF, VX

Required

Hands‑on experience with vSphere, ESXi, vCenter, and related VMware ecosystem technologies.

Required

Ability to troubleshoot complex networking and virtualization issues across multiple layers.

Required

Familiarity with network security best practices and micro segmentation design.

Required

Experience with automation/scripting using PowerShell/PowerCLI, Python, or REST APIs.

Required

VMware certifications such as VCP-NV, VCAP-NV, or equivalent hands on expertise

Highly desired

Knowledge of cloud networking concepts (AWS, Azure).

Highly desired

Experience with monitoring tools (vRealize Network Insight, Aria Operations, SolarWinds, Splunk, etc.).

Highly desired