Senior Network Engineer — Chandler, AZ

This is an in-office position located in either West Fargo, ND or Chandler, AZ.

Position Summary

The Senior Network Engineer is responsible for designing, implementing, monitoring, and supporting the organization’s enterprise network infrastructure — across on-premises environments and Azure cloud connectivity. This includes LAN/WAN architecture, wireless networks, SD-WAN, Azure routing, ATM connectivity, and video surveillance systems.

This position ensures consistent network reliability, uptime, and performance while maintaining strong relationships with key vendors. The ideal candidate is hands-on, detail-oriented, and accountable for ensuring all networked systems — including ATMs and video infrastructure — operate securely and efficiently.

Key Responsibilities

Network Infrastructure Management

• Deploy, configure, and maintain Core and Edge networks across corporate and branch environments.

• Manage and optimize Enterprise Wireless infrastructure, including access points, and Radius authentication.

• Configure and maintain core routers and firewalls, including routing, NAT, and access control policies.

• Ensure configuration versioning and regular backups for all routers, switches, and firewalls.

• Oversee WAN circuit provisioning, monitoring, and vendor escalation to ensure performance and redundancy.

• Manage Enterprise SD-WAN systems for efficient branch connectivity and traffic optimization.

Azure Network Architecture

• Design, implement, and maintain Azure network infrastructure, including VNets, subnets, route tables, and Network Security Groups (NSGs).

• Configure and support ExpressRoute, site-to-site, or private peering connections between on-prem and Azure environments.

• Develop routing strategies and segmentation models for hybrid network topologies.

• Partner with cloud and security teams to optimize Azure Firewall, Load Balancer, and Application Gateway configurations.

• Document and maintain Azure network diagrams, architecture standards, and routing policies.

ATM Network Management

• Serve as the primary owner for all ATM network connectivity, hardware, and vendor coordination.

• Manage vendor and carrier relationships to ensure ATM network reliability, SLAs, and uptime objectives are met.

• Continuously monitor ATM network performance, latency, and connectivity health.

• Verify that ATM communication modules, network routers, and circuits remain fully operational.

• Coordinate and verify hardware maintenance, firmware upgrades, and configuration changes.

Video and Surveillance Systems

• Own and manage the CCTV video system, including NVR servers, switches, cameras and connectivity.

• Act as the primary contact for surveillance vendors, overseeing escalations, service calls, and equipment life cycles.

• Perform routine video system health checks, ensuring camera functionality, recording status, video quality and storage integrity.

• Coordinate with physical security teams for deployment planning, upgrades, and maintenance.

Network Services & Systems

• Administer and troubleshoot DHCP, DNS, and Radius authentication systems.

• Implement and maintain 802.1X network access control (NAC) across wired and wireless environments, ensuring only authorized devices gain network access.

• Support secure onboarding for corporate and IoT devices using Radius policies and certificate-based authentication.

• Manage UPS, PDU, and management systems to ensure power reliability and environmental visibility across network infrastructure.

Monitoring & Performance

• Utilize PRTG Network Monitor for proactive monitoring, performance analysis, and alert response across all infrastructure and cloud resources.

• Develop and maintain dashboards and alerting systems to identify and resolve issues before they impact operations.

• Conduct capacity planning and trend analysis to ensure optimal network performance.

• Educate and instruct system and security engineers on the capabilities of the monitoring systems.

• Continually evaluate the system and offer suggestions for additional monitoring needs.

Documentation & Compliance

• Maintain comprehensive network diagrams, inventories, and configuration documentation.

• Champion Change management and ticketing processes for the organization.

• Ensure compliance with internal IT standards, audit requirements, and industry security frameworks.

• Participate in disaster recovery testing, documentation, and network resiliency planning.

Qualifications

Required:

• 5+ years of experience in enterprise network engineering or administration.

• Strong hands-on experience with corporate networking technologies (Wireless, switching, SDWAN, routing and firewalls)

• Proven experience managing vendor relationships.

• Proficiency with Azure networking, including VNets, routing, ExpressRoute, NSGs, and hybrid architectures.

• Experience implementing and managing 802.1X authentication and Radius-based access control.

• Experience with Praessler PRTG or similar infrastructure monitoring platforms.

• Excellent troubleshooting, communication, and documentation skills.

Preferred

• Bachelor’s degree in computer science, Information Technology, or related field.

• Certifications such as Extreme Networks Specialist, Aruba ACMP, Silver Peak SD-WAN Professional, or Microsoft Certified: Azure Network Engineer Associate.

• Experience working in financial institutions or other regulated environments supporting ATMs and video systems.

Competencies

• Strong sense of ownership and accountability for network uptime and reliability.

• Deep understanding of hybrid (on-prem + Azure) network architecture.

• Skilled at vendor management and driving issue resolution through to completion.

• Excellent documentation discipline and attention to detail.

• Collaborative mindset with the ability to work across infrastructure, cloud, and security teams.