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