Senior IT Infrastructure & Network Engineer

• Administer Microsoft 365 users, groups, licensing, permissions, authentication, Entra ID, MFA, Exchange Online, Teams, SharePoint, and OneDrive
• Manage onboarding, offboarding, provisioning, account lifecycle, asset documentation, access documentation, and vendor coordination
• Administer and troubleshoot on-premises and hosted Windows and Linux servers
• Handle patching, updates, storage, services, secure remote administration, monitoring, logs, capacity, and availability
• Maintain and test backup, restore, and recovery procedures
• Coordinate on-site or third-party hands-on support when physical work is needed
• Configure, support, and document corporate, engineering, and edge network environments
• Support TCP/IP, VLANs, switching, routing, NAT, DNS, DHCP, firewalls, wireless, VPN, cellular, and fiber infrastructure
• Support segmentation, resiliency, redundancy, failover, and network equipment
• Collaborate with customer IT teams, vendors, and integrators on connectivity and design
• Capture and analyze traffic from applications, APIs, cameras, edge devices, and telemetry
• Calculate bandwidth and capacity needs and diagnose latency, packet loss, retransmissions, and congestion
• Estimate cellular data consumption for mobile and in-vehicle systems
• Use Wireshark, tcpdump, iperf, or similar tools for sizing and performance recommendations
• Help Software Engineering isolate software, network, OS, hardware, and third-party issues
• Support integration of controllers, cameras, RFID/LPR equipment, gateways, antennas, and Windows/Linux edge environments
• Partner with DevOps on DNS, routing, firewalls, TLS/certificates, secure communications, packet captures, logs, and diagnostics
• Assess networking, compatibility, and integration requirements for new technologies
• Build and validate prototype and proof-of-concept environments
• Document constraints, dependencies, test results, and deployment readiness
• Apply security best practices and maintain network diagrams, IP/VLAN records, port and firewall requirements, and configuration standards
• Participate in incident investigation, root-cause analysis, and corrective action

• Strong experience across IT infrastructure, systems administration, and network engineering
• Hands-on Microsoft 365 administration, including Entra ID, Exchange Online, Teams, SharePoint, and OneDrive
• Strong Windows Server administration plus practical Linux experience
• Experience managing physical, hosted, and remotely administered servers
• Deep knowledge of TCP/IP, VLANs, switching, routing, subnetting, NAT, DNS, DHCP, firewalls, VPN, and segmentation
• Packet capture, traffic analysis, bandwidth estimation, and capacity planning skills
• Experience with wired, wireless, fiber, and cellular networks
• Experience supporting connected devices such as controllers, cameras, gateways, or IoT equipment
• Working knowledge of MFA, TLS/certificates, and infrastructure security
• Strong documentation and communication skills, with the ability to work independently and remotely
• Degree in IT, Computer Science, Computer Engineering, Telecommunications, or equivalent experience
• Microsoft 365, Entra, or Windows Server certifications preferred
• CCNA, CCNP, or equivalent hands-on networking expertise preferred
• Experience in environments mixing corporate IT, on-prem servers, hosted systems, and edge infrastructure preferred
• Experience with monitoring, backup/recovery, and virtualization tools preferred
• Exposure to industrial networking, RFID/LPR, cellular routers, or edge hardware preferred
• Familiarity with zero-trust and secure remote-access architectures preferred
• Scripting in PowerShell, Bash, or Python preferred

• Opportunity to work on cutting-edge products
• Fully remote and distributed team
• Async-first collaboration environment
• Paid learning programs and sponsored certifications
• PTO, paid holidays, and family leave
• Computer sponsor program
• Payment in USD