Note: The job is a remote job and is open to candidates in USA. Support Tech is seeking a hands-on Network / Systems Engineer to implement network and Microsoft 365 infrastructure projects for clients. The role involves designing and configuring network systems, firewalls, wireless infrastructure, VPNs, VLANs, Microsoft 365 migrations, and cloud environments, as well as performing cutovers, troubleshooting, validation, and technical documentation.
Responsibilities
- Design and implement LAN/WAN infrastructure according to approved project requirements
- Configure and deploy next-generation firewalls, managed switches, wireless access points, controllers, VPN solutions, and related network equipment
- Configure VLANs, Layer 3 interfaces, DHCP relay, routing, firewall policies, WAN failover, monitoring, and network segmentation
- Configure corporate, guest, voice, wireless-management, security, server, and other required network segments
- Configure and manage UniFi Network Controller environments and UniFi switching and wireless infrastructure
- Configure LACP, VLAN trunks, port profiles, PoE, spanning-tree, loop protection, DHCP trust, and related switching functions
- Implement and validate SSL VPN and remote-access solutions
- Configure SNMP monitoring and integrate infrastructure into remote-management platforms
- Perform wireless deployments, RF configuration, SSID configuration, client isolation, roaming validation, and wireless performance testing
- Support Microsoft 365 tenant configuration and migration projects
- Configure migration tooling, source/target connections, service accounts, application consent, and identity mappings
- Support Exchange Online, OneDrive, SharePoint, Teams, and file-server migration activities
- Configure and validate Microsoft 365 domains, DNS records, mail flow, SPF, DKIM, and DMARC
- Implement Microsoft 365 Conditional Access and multifactor authentication configurations
- Assist with Microsoft Authenticator enrollment and user validation
- Perform migration reconciliation, exception analysis, and post-migration validation
- Pre-stage equipment, firmware, configurations, and migration environments before production changes
- Perform network and infrastructure cutovers during approved maintenance windows
- Gracefully decommission and replace legacy infrastructure
- Validate connectivity, routing, authentication, applications, wireless, voice, backups, monitoring, and other in-scope services after implementation
- Troubleshoot issues encountered during implementation and determine whether they fall within the approved scope
- Support rollback procedures when required
- Maintain accurate network diagrams, IP inventories, VLAN documentation, switch port maps, wireless information, configuration records, and equipment inventories
- Document migration results, exceptions, validation results, and final configurations
- Archive relevant legacy configurations and document replaced equipment
- Prepare technical handoff information for the support team
Skills
- • Demonstrated professional experience in network or systems engineering
- • Strong understanding of TCP/IP, VLANs, routing, switching, DHCP, DNS, and network troubleshooting
- • Experience configuring managed network switches and firewalls
- • Experience with wireless networking and access-point deployments
- • Ability to troubleshoot complex infrastructure issues independently
- • Experience performing production cutovers and maintenance-window work
- • Strong documentation and technical communication skills
- • Ability to work directly with clients and communicate technical issues clearly
- • Ability to follow defined project scopes, implementation plans, and change-control procedures
- • Experience with Ubiquiti UniFi networking equipment and UniFi Network Controller
- • Experience with Microsoft 365, Exchange Online, SharePoint, OneDrive, Teams, and Microsoft Entra
- • Experience with Conditional Access and MFA
- • Experience with network monitoring and SNMP
- • Experience with cloud-to-cloud and file-server migrations
- • Experience with VPN technologies and WAN failover
- • Experience with wireless heatmap surveys and RF optimization
- • Experience supporting low-voltage/network infrastructure deployments
- • Relevant networking or Microsoft certifications
Benefits
- This is a remote position.
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