Senior Network Engineer

This is an in-office position located in either West Fargo, ND or Chandler, AZ. Position SummaryThe 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 ResponsibilitiesNetwork Infrastructure ManagementDeploy, 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 ArchitectureDesign, 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 ManagementServe 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 SystemsOwn 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 & SystemsAdminister 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 & PerformanceUtilize 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 & ComplianceMaintain 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.QualificationsRequired: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.PreferredBachelor’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.CompetenciesStrong 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.