Network Engineer IV

Rackspace Technology•San Antonio, TX

3d•Hybrid

About The Position

The Network Engineer IV is responsible for the design, architecture, engineering, implementation, and support of the Enterprise and multi-datacenter network environment, spanning routing, switching, campus fabric, and network security. Acts as a senior technical resource for troubleshooting and architecting complex network solutions and may serve as a project lead or mentor for other engineers on the team.

Requirements

Advanced knowledge of the design, configuration, installation, maintenance, and upgrade of enterprise network environments
Advanced knowledge of TCP/IP, OSI model, and switching technologies
Advanced knowledge of BGP and OSPF design, troubleshooting, and optimization
Advanced knowledge of Cisco ACI architecture and data center fabric design
Advanced knowledge of Cisco SD-Access architecture and campus fabric design
Strong knowledge of network security architecture, including Palo Alto Networks firewall policy design and segmentation strategies
Strong knowledge of network access control (NAC) concepts and enforcement using Forescout
Working knowledge of equipment from multiple vendors, such as Cisco, Juniper, Palo Alto Networks, and Brocade
Network Architecture & Design
Network Automation & Infrastructure-as-Code (Python, Ansible)
Complex Troubleshooting & Root Cause Analysis
Network Rack & Patch-Panel Design
Network Service Monitoring Systems
Technical Documentation & Network Diagramming
Process Improvement
Client/Customer Service
Coaching & Mentoring
High School Diploma or regional equivalent required
Bachelor's Degree required, preferably in a field related to the role. At the manager’s discretion, additional relevant experience may substitute for the degree requirement
CCNA or higher required (Routing and Switching, Enterprise, or Data Center track); CCNP or CCIE preferred
Wireless certifications a plus
8 - 11 years of experience in the field of the role required

Responsibilities

Designs and architects scalable, resilient network solutions across routing, switching, fabric, and security domains
Leads complex troubleshooting efforts, including routing protocol issues, fabric/switching connectivity, and firewall policy conflicts
Architects and maintains Cisco ACI fabric environments, including tenant design, endpoint groups, contracts, and fabric integration
Architects and maintains Cisco SD-Access (SDA) fabric environments, including underlay/overlay design, fabric edge/border/control-plane nodes, and DNA Center-based policy and segmentation
Designs, configures, and troubleshoots BGP and OSPF routing environments, including route redistribution, policy control, and multi-site architectures
Architects highly available switching infrastructure across Nexus, ACI, and SD-Access fabric environments, including VXLAN/EVPN-based segmentation and fabric-based redundancy to eliminate single points of failure
Configures, maintains, and troubleshoots Palo Alto Networks firewalls, including security policy design, NAT, VPN, and threat prevention
Designs and manages network access control (NAC) policies and device compliance using Forescout or Aruba Clearpass.
Serves as an escalation point for high-level, service-impacting network issues
Identifies, reviews, and recommends security postures to peers and appropriate security teams
Researches, evaluates, and recommends hardware, software, and vendor solutions based on cost, performance, and business need
Leads implementation planning prior to installation of network hardware such as routers, firewalls, wireless controllers, and switches
Develops project plans and task lists for network initiatives, and participates in peer design reviews
Partners with vendors and third-party providers to evaluate and integrate new equipment and services
Creates and maintains technical documentation, network diagrams, and standard operating procedures
Mentors and provides technical guidance to less experienced engineers
Participates in on-call support rotation per team design
Architects and implements automation and infrastructure-as-code pipelines (Python, Ansible) to drive configuration consistency, enforce compliance, and accelerate policy deployment across the enterprise network and security fabric