IT Network Administrator - Dallas Regional Office

Dominium•Dallas, TX

19d•Onsite

About The Position

The IT Network Administrator administers, secures, monitors, and optimizes Dominium’s network and related infrastructure across corporate and branch office locations. The role supports routing, switching, firewalls, SD-WAN, cloud networking, servers, and connectivity services, ensuring infrastructure availability, performance, security, and compliance. The administrator performs advanced troubleshooting, manages patching and vulnerability response, develops automation to improve operational efficiency, and serves as an escalation resource for technical support staff. The position also partners with internal stakeholders to design, implement, document, and support infrastructure solutions that meet business and operational needs. Dominium is a purpose-driven affordable housing development and management company operating in approximately 20 states, with more than 1,300 employees and over 50 years of experience. Its values are Entrepreneurial Innovation, Developing People, Growth Mindset, and Execution, and its purpose is to provide quality, affordable housing that builds enduring value for residents, employees, communities, and financial partners. The company offers a competitive salary, an incentive bonus program, training and development programs, career growth, and community volunteer and outreach programs. Eligible employees receive a comprehensive benefits package.

Requirements

Bachelor’s degree in information technology, computer science, or a related field, or an equivalent combination of education and relevant experience.
At least four years of progressive information technology experience in network administration, infrastructure support, server administration, and security operations.
Experience administering enterprise network and infrastructure services, including DNS, DHCP, VPN, LAN, WAN, Wi-Fi, and VoIP.
Experience with routing, switching, and network segmentation technologies, including VLANs, subnetting, OSPF, BGP, and EIGRP.
Experience configuring and administering firewalls, NAT/PAT, IPSec VPNs, patching, vulnerability response, identity and access management, and related network security controls.
Experience using network monitoring and performance management tools to assess network health, availability, capacity, and performance.
Strong analytical and problem-solving skills, including the ability to evaluate complex technical issues and implement effective solutions.
Effective communication, organization, collaboration, and customer service skills; ability to manage competing priorities, work independently, and communicate technical information to people with varying levels of technical knowledge.
Ability to adapt to and quickly learn new technologies, systems, and processes while maintaining high standards for system reliability, security, and documentation.

Nice To Haves

Experience with Cisco and Meraki network equipment, Panorama, Microsoft Defender for Endpoint, Red Canary Managed Detection and Response, Okta, Microsoft Entra ID, Active Directory, VMware, Cisco Umbrella, Microsoft 365, and backup and recovery platforms.
Experience with Microsoft Azure networking, SD-WAN, and automation or scripting tools such as PowerShell and Python.
Knowledge of the National Institute of Standards and Technology Cybersecurity Framework or other applicable security and compliance standards.

Responsibilities

Administer, maintain, and support enterprise LAN, WAN, Wi-Fi, VPN, VoIP, and related connectivity services across corporate and branch offices.
Configure and maintain routing, switching, and SD-WAN infrastructure, including VLANs, subnetting, dynamic routing protocols, network segmentation, redundancy, performance optimization, and failover.
Administer firewall policies, rules, NAT/PAT, IPSec VPN configurations, and centralized firewall management platforms.
Support cloud and hybrid networking, including Azure virtual networks, ExpressRoute, VPN gateways, Azure Virtual Desktop environments, and connectivity between on-premises and cloud resources.
Monitor network health, availability, capacity, and performance; identify issues proactively and implement corrective improvements.
Troubleshoot complex network, server, security, performance, availability, and infrastructure issues, serving as an escalation resource.
Support infrastructure security technologies, including endpoint protection, managed detection and response, identity and access management, DNS security, and related platforms.
Identify and respond to vulnerabilities, CVEs, malware, and other security threats affecting network and infrastructure systems.
Manage patches, firmware updates, and other system updates for network devices, servers, and related infrastructure.
Develop and maintain scripts and automation tools for network configuration, monitoring, reporting, and recurring operational activities.
Collaborate with stakeholders to define technical requirements, evaluate solutions, assess change impacts, and design and implement approved changes.
Maintain documentation for system configurations, infrastructure changes, troubleshooting procedures, operational standards, security controls, and disaster recovery processes.
Participate in business continuity and disaster recovery planning and testing.
Perform other duties and special projects as assigned.