D.R. Horton · 5 hours ago
Network Engineer III
TX-Arlington
Full-time
Onsite
Senior Level, Lead/Staff
8+ years expD.R. Horton, Inc., the largest homebuilder in the U.S., is currently looking for a Network Engineer III. The right candidate will be responsible for the installation and maintenance of network systems communications, leading the architecture and optimization of the enterprise network, and serving as a subject matter expert for Cisco ACI and SD-WAN environments.
Auto InsuranceInsuranceProperty Insurance
Responsibilities
Design and manage a Multi-Pod/Multi-Site Cisco ACI environment. Oversee the configuration of Tenants, VRFs, Bridge Domains, ESGs, EPGs, and Contracts
Architect and deploy segmentation strategies within the Data Center to prevent lateral movement of threats
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
Qualification
Required
8–10+ years in Enterprise Networking, with at least 3+ years of hands-on ACI and SD-WAN production experience
CCNP (Data Center) or Cisco Certified Specialist in ACI/SD-WAN is required
Expert knowledge of BGP, OSPF, VXLAN, EVPN, and MPLS
Deep familiarity with Cisco APIC, vManage, vSmart, and vBond controllers
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
Preferred
CCIE (Data Center or Enterprise) is highly preferred
Benefits
Medical, Dental and Vision
401(K)
Employee Stock Purchase Plan
Flex Spending Accounts
Life & Disability Insurance
Vacation, Sick, Personal Time and Company Holidays
Multiple Voluntary and Company provided Benefits
Company
D.R. Horton
America's Builder is a lofty title, but it's a goal we work toward every day. D.R.
5001-10000 employees
Funding
Current Stage
Late StageLeadership Team
Allison Roberts
Regional CFO
Ashley Johnson
Division CFO
Recent News
2026-01-17
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