Network Engineer (Data Center)

Envision Technology Solutions; University City (MO); On-site; USD 100,000 - 150,000; Full time

Job summary

Envision Technology Solutions is seeking a Network Engineer 3 to support the implementation, migration, and operation of enterprise data-center and network-security infrastructure with a focus on Arista switching and Cisco ACI-to-Arista migration.

The role requires hands-on experience with EOS/CloudVision, and the ability to manage complex changes, validate plans, and coordinate across multiple security and data-center tools. Expect after-hours maintenance as needed.

Qualifications

• Extensive enterprise data-center network engineering experience required.
• Ability to independently implement, troubleshoot, and support complex network infrastructure.
• Experience migrating Cisco ACI to Arista.
• Experience with Palo Alto, F5, Imperva WAF, Infoblox, and FireMon.

Responsibilities

• Deploy, configure, and troubleshoot Arista switching using EOS and CloudVision.
• Support Cisco ACI-to-Arista migrations and related implementation activities.
• Coordinate integrations across Palo Alto/Panorama, F5 BIG-IP, Imperva WAF, Infoblox, and FireMon.
• Prepare and execute implementation plans, validation steps, maintenance procedures, and rollback plans.

Skills

Layer 2/3 networking

VLANs & VRFs

MLAG & EVPN

BGP/OSPF

Network troubleshooting

Python scripting

Ansible scripting

REST APIs

Terraform

Tools

Arista EOS

CloudVision

Cisco ACI

Palo Alto Panorama

F5 BIG-IP

Imperva WAF

Infoblox DNS/DHCP/IPAM

FireMon

Git

Job description

• Demonstrated professional experience in enterprise network engineering within data-center environments, with the ability to independently implement, troubleshoot, and support complex network infrastructure.
• Strong Layer 2 and Layer 3 fundamentals, including VLANs, VRFs, MLAG, BGP, OSPF, route redistribution, and high availability.
• Hands-on experience with Arista EOS and CloudVision.
• Working knowledge of leaf-spine architecture, VXLAN, and EVPN.
• Experience supporting migrations from Cisco ACI to Arista.
• Experience with Palo Alto firewalls and Panorama.
• Familiarity with F5 BIG-IP, Imperva WAF, Infoblox DNS/DHCP/IPAM, and FireMon.
• Ability to create and execute implementation, validation, maintenance, and rollback plans.
• Strong troubleshooting skills using packet captures, logs, telemetry, routing tables, and monitoring tools.
• Basic automation skills using Python, Ansible, Git, REST APIs, Terraform, or Arista Validated Designs.
• Experience with ServiceNow change management and cross-team production migrations.
• Flexibility to support planned after-hours maintenance and emergency changes.
• The Network Engineer 3 will support the implementation, migration, and operation of enterprise data-center and network-security infrastructure, with a primary focus on Arista switching and Cisco ACI-to-Arista migration.
• Deploy, configure, and troubleshoot Arista switching using EOS and CloudVision.
• Support Cisco ACI-to-Arista migrations and related implementation activities.
• Implement routing, switching, segmentation, and high-availability changes.
• Coordinate integrations and dependencies across Palo Alto/Panorama, F5 BIG-IP, Imperva WAF, Infoblox, and FireMon.
• Prepare and execute implementation plans, validation steps, maintenance procedures, and rollback plans.
• Troubleshoot issues using packet captures, logs, telemetry, routing tables, and monitoring platforms.
• Automate repeatable activities using Python, Ansible, Git, REST APIs, Terraform, or Arista Validated Designs.
• Manage changes through ServiceNow and coordinate production migrations with application, server, security, and infrastructure teams.
• Support planned after-hours maintenance and emergency changes when required.