Arlington, TX, USA
1 day ago
Network Engineer III

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 aNetwork Engineer III. The right candidate will beresponsible 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.

Essential Duties and Responsibilities include the following. Other duties may be assigned.

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

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 aNetwork Engineer III. The right candidate will beresponsible 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.

Essential Duties and Responsibilities include the following. Other duties may be assigned.

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

Education and/or Experience

Experience: 8–10 years in Enterprise Networking, with at least 3 years of hands-on ACI and SD-WAN production experience

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

Come join a winning team with a Fortune 500 company We are growing fast and are looking for enthusiastic attitudes and team players to join our success. We offer an excellent benefits package including:

Medical, Dental and Vision401(K)Employee Stock Purchase PlanFlex Spending AccountsLife Disability InsuranceVacation, Sick, Personal Time and Company HolidaysMultiple Voluntary and Company provided Benefits

Build YOUR future with D.R. Horton, America’s Builder. #WeBuildPeopleToo

Education and/or Experience

Experience: 8–10 years in Enterprise Networking, with at least 3 years of hands-on ACI and SD-WAN production experience

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

Come join a winning team with a Fortune 500 company We are growing fast and are looking for enthusiastic attitudes and team players to join our success. We offer an excellent benefits package including:

Medical, Dental and Vision401(K)Employee Stock Purchase PlanFlex Spending AccountsLife Disability InsuranceVacation, Sick, Personal Time and Company HolidaysMultiple Voluntary and Company provided Benefits

Build YOUR future with D.R. Horton, America’s Builder. #WeBuildPeopleToo

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