Overview:Job Title: Network Core Data EngineerLocation: Onsite - Raleigh, NC or Phoenix, AZ
Employment Type: ContractExperience Required: 8-10 Years
Position OverviewWe are seeking an experienced
Network Core Data Engineer to design, configure, troubleshoot, and optimize core enterprise network services. This role requires deep hands-on expertise across identity services, load balancing, DNS/IPAM, automation platforms, and next-generation network fabrics.
The ideal candidate will have strong operational and architectural experience supporting large-scale, high-availability, mission-critical environments.
Key ResponsibilitiesCore Network Architecture & Engineering - Design, configure, and troubleshoot enterprise-grade network infrastructure.
- Support high-availability and disaster recovery architectures.
- Implement scalable and resilient network solutions aligned with enterprise standards.
Cisco ISE (Identity Services Engine) - Strong understanding of Cisco ISE architecture (PAN, PSN, MNT nodes).
- Configure and troubleshoot policies for Wireless, Wired, VPN, and Network Access Control.
- Manage authentication, authorization, and policy enforcement strategies.
F5 (LTM / GTM / BIG-IQ) - Hands-on configuration and troubleshooting of F5 LTM, GTM, and BIG-IQ.
- Design and optimize load balancing, SSL offloading, and traffic management policies.
- Ensure high availability and performance tuning of F5 infrastructure.
Infoblox (DNS / DHCP / IPAM) - Manage and optimize enterprise DNS, DHCP, and IP Address Management (IPAM).
- Troubleshoot core network services and ensure reliability.
- Implement automation and monitoring for DNS infrastructure.
Forescout (NAC) - Configure and manage Forescout network access control solutions.
- Troubleshoot policy enforcement and endpoint visibility.
Cisco ACI - Design and deploy Cisco ACI Leaf-Spine fabrics.
- Configure Tenants, VRFs, Bridge Domains, EPGs, Contracts, and Filters.
- Implement Multi-Pod, Multi-Site, and Remote Leaf architectures.
- Support HA and DR setups in ACI environments.
IBM NS1 - Hands-on experience with IBM NS1 Connect platform.
- Support DNS automation and traffic steering configurations.
Network Testing & Time Services - Experience with Ixia for L2/L3 testing and topology validation.
- Familiarity with Microchip NTP equipment, monitoring, and troubleshooting.
Automation & Configuration Management - Experience with Gluware configuration and automation.
- Hands-on expertise with Ansible automation scripting and configuration management.
Required SkillsPrimary Skills: - F5 LTM
- Infoblox
- Forescout NAC
- IBM NS1
- Cisco ISE
Secondary Skills: - Cisco Routing & Switching
- Aruba Wireless
- SD-WAN (Versa preferred)
- A10 Load Balancer
Technical SkillsCisco ISE | F5 LTM/GTM | Infoblox DNS/DHCP/IPAM | Cisco ACI | IBM NS1 | Forescout | Ixia | Ansible | Gluware | NTP | Enterprise Networking