Network Engineer III

D.R. Horton•Arlington, TX

12h

About The Position

D.R. Horton, Inc., the largest homebuilder in the U.S., was founded in 1978 and is a publicly traded company on the New York Stock Exchange. It is engaged in the construction and sale of high quality homes designed principally for the entry-level and first time move-up markets. The Company also provides mortgage financing and title services for homebuyers through its mortgage and title subsidiaries. Please visit our website at www.drhorton.com for more information. D.R. Horton, Inc. is currently looking for a Network Engineer III. The right candidate will be responsible for the installation and maintenance of network systems communications, configures various network devices and services, and troubleshoots the network issues within established guidelines. This role will lead the architecture, implementation, and optimization of our next-generation enterprise network. As a senior member of the team, you will be the subject matter expert for our Cisco ACI (Data Center) and SD-WAN (Wide Area Network) environments.

Requirements

Experience: 8–10+ years in Enterprise Networking, with at least 3+ years of hands-on ACI and SD-WAN production experience
Certifications: CCNP (Data Center) or Cisco Certified Specialist in ACI/SD-WAN is required
Networking Protocols: Expert knowledge of BGP, OSPF, VXLAN, EVPN, and MPLS
SDN Tools: Deep familiarity with Cisco APIC, vManage, vSmart, and vBond controllers
Security: Strong experience with Firewalls (Cisco)
Advanced understanding of network services and networks protocols (to include but not limited to): BGP, OSPF, EIGRP, HSRP, VRRP, VRF, VTP, DHCP, DNS
Advanced understanding and practical knowledge of networking systems such as routers and switches and firewalls
Working knowledge with Cisco IOS and Nexus NX-OS
Advanced understanding of OSI model and troubleshooting of technology related issues
Able to work well in a fast-paced environment and be comfortable in stressful situations
Effectively communicate with management and non-technical personnel on any technology issue to ensure they understand the nature of the issue and current statue easily understood on any outage conference calls
Detail oriented self-motivated goal driven
Ability to analyze and evaluate networks, identify issues and provide solutions to ensure networks are operating efficiently
Ability to implement and troubleshoot network and security infrastructure
Experience managing large projects/processes working independently
Knowledge of Windows operating systems
Strong interpersonal, verbal and written communication skills
Ability to execute excellent customer service relationship skills
Ability to apply common sense understanding to carry out instructions furnished in written oral form or via DRH applications
Proficiency with MS Office and email
Ability to sit for majority of 8-hour workday; use hands and fingers to handle or feel; reach with hands and arms; talk and hear. Ability to lift 50 pounds. Specific vision abilities required by this job include close vision and peripheral vision

Nice To Haves

Certifications: CCIE (Data Center or Enterprise) is highly preferred

Responsibilities

ACI Fabric Leadership: Design and manage a Multi-Pod/Multi-Site Cisco ACI environment. Oversee the configuration of Tenants, VRFs, Bridge Domains, ESGs, EPGs, and Contracts
Security & Segmentation: Architect and deploy segmentation strategies within the Data Center to prevent lateral movement of threats.
Tier 3 Escalation: Serve as the final point of escalation for complex network outages (L1–L7). Conduct deep-dive root cause analysis (RCA) using packet capture and advanced telemetry
Maintain computer networks including routers, switches, VPNs and other physical hardware/software
Monitor systems to improve network performance for all systems
Troubleshoot, resolve, and communicate networking issues to other employees and management
Research, install, configure and upgrade network hardware and software
Create firewall rules and update software and data security systems to keep data and communications protected
Implement disaster recovery procedures
Improve knowledge and understanding of network and security best practices to offer the best solutions and protection to company systems
Provide on-site support for projects that require on-site installation and support
Design and implement new network solutions and/or improving the efficiency of current networks
Conducts all business in a professional and ethical manner to serve customers and increase the goodwill and profit of the company
Participate in on-call rotation
Ability to travel overnight
Regular and reliable attendance