Data Center Network Engineer – Arista & ACI Migration

HireOn Tech; St. Louis (MO); On-site; USD 90,000 - 120,000; Full time

Job summary

HireOn Tech is seeking a Network Engineer 3 to lead enterprise data-center networking initiatives in a fast-paced environment. The role focuses on Arista switching (EOS) and migrating from Cisco ACI, with tight integration to security tools like Palo Alto Panorama, F5 BIG-IP and Imperva WAF.

You will implement, validate, and maintain complex network infrastructure, coordinate across security, DNS/IPAM, and monitoring teams, and contribute to automation using Python, Ansible, Git and Terraform.

Qualifications

• Extensive experience in enterprise data-center networking.
• Ability to implement, troubleshoot, and support complex network infra.
• Experience with Cisco ACI-to-Arista migrations.
• Security integrations with Palo Alto Panorama, F5 BIG-IP and related tools.

Responsibilities

• Plan, implement, validate, maintain, and rollback network changes.
• Deploy, configure, and troubleshoot Arista switching with EOS and CloudVision.
• Support Cisco ACI-to-Arista migrations and related activities.
• Coordinate with Palo Alto, F5, Imperva, Infoblox and FireMon for integrated ops.
• Automate repeatable tasks using Python, Ansible, Git, REST APIs, Terraform.
• Manage changes via ServiceNow and support after-hours maintenance.

Skills

Layer 2 & 3 fundamentals

VLANs

VRFs

MLAG

BGP

OSPF

High availability

Tools

Arista EOS

CloudVision

Palo Alto Panorama

F5 BIG-IP

Imperva WAF

Infoblox DNS/DHCP/IPAM

FireMon

Terraform

Ansible

Git

REST APIs

Job description

HireOn Tech is seeking a Network Engineer 3 to lead enterprise data-center networking initiatives in a fast-paced environment. The role focuses on Arista switching (EOS) and migrating from Cisco ACI, with tight integration to security tools like Palo Alto Panorama, F5 BIG-IP and Imperva WAF.

You will implement, validate, and maintain complex network infrastructure, coordinate across security, DNS/IPAM, and monitoring teams, and contribute to automation using Python, Ansible, Git and Terraform.