US Restricted/Citizen - F5 & Datacenter Network Engineer (TX, Dallas)

Job Description: F5 & Datacenter Network Engineer

Overview

We are looking for an experienced F5 & Datacenter Network Engineer to support and enhance our enterprise application delivery and datacenter network infrastructure. This role is responsible for maintaining and troubleshooting F5 BIG-IP and rSeries platforms, while also supporting Cisco Nexus and Cisco ACI environments. The ideal candidate has strong hands-on experience with L4–L7 load balancing and a solid understanding of modern datacenter networking.

Key Responsibilities

F5 BIG-IP / rSeries

• Manage and support F5 BIG-IP systems (LTM, SSL, iRules) and rSeries tenants.


• Configure and maintain virtual servers, pools, health monitors, and profiles.


• Perform SSL certificate management, cipher updates, and security hardening.


• Troubleshoot L4–L7 traffic issues using tools such as tcpdump and ssldump.


• Perform TMOS upgrades, hotfix installations, and maintain HA device groups.


• Work with application teams to ensure reliable and secure traffic flows.

Datacenter Networking (Cisco Nexus & ACI)

• Support Cisco Nexus switching platforms (2K/5K/7K/9K).


• Troubleshoot VPC, L2/L3 routing, OSPF, BGP, and EVPN/VXLAN.


• Assist with NX-OS upgrades and hardware lifecycle management.


• Support Cisco ACI operations including tenants, VRFs, bridge domains, EPGs, and contracts.


• Participate in ACI fabric upgrades and health validation.


• Troubleshoot endpoint learning, contract issues, and L3Out connectivity.

General Responsibilities

• Respond to incidents, perform root-cause analysis, and implement long-term fixes.


• Maintain documentation, diagrams, and operational runbooks.


• Collaborate with application, security, and infrastructure teams.


• Follow change management processes and ensure configuration consistency.

Location & Benefits:

Location: Dallas or Chicago (Oakbrook Terrace) Preferred, but remote candidates are acceptable.

Benefits: PTO, Medical, Dental, Vision and 401k

We are unable to sponsor at this time