[Hiring] Senior IT Infrastructure & Network Engineer @Skilldlabs

Role Description

We're hiring a senior, hands-on IT Infrastructure & Network Engineer to own the corporate IT environment for a technology company building connected edge solutions. You'll be the go-to person for Microsoft 365, identity and access, servers, networking, security, backups, and remote connectivity.

Infrastructure and systems administration is the core of this role, backed by strong network engineering skills. You'll also partner with Software Engineering and DevOps on device connectivity, traffic analysis, and troubleshooting across edge-connected systems and lab environments.

What You'll Do

• IT Infrastructure & Microsoft 365
  • Administer Microsoft 365: users, groups, licensing, permissions, and authentication
  • Manage Microsoft Entra ID, MFA, and identity and access controls
  • Support Exchange Online, Teams, SharePoint, and OneDrive
  • Own onboarding, offboarding, provisioning, and account lifecycle
  • Maintain asset, access, and configuration documentation and coordinate with vendors
• Server & Systems Administration
  • Administer and troubleshoot a mix of on-premises and hosted Windows and Linux servers
  • Handle patching, updates, storage, services, and secure remote administration
  • Monitor server health, 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
• Network Engineering
  • Configure, support, and document corporate, engineering, and edge network environments
  • Work across TCP/IP, VLANs, switching, routing, NAT, DNS, DHCP, firewalls, wireless, VPN, cellular, and fiber
  • Support segmentation, resiliency, redundancy, and failover
  • Support routers, switches, controllers, media converters, transceivers, and PoE equipment
  • Collaborate with customer IT teams, vendors, and integrators on connectivity and design
• Traffic, Performance & Capacity Analysis
  • Capture and analyze traffic from applications, APIs, cameras, edge devices, and telemetry
  • Calculate bandwidth and capacity needs from device counts, event rates, and payload sizes
  • Diagnose latency, packet loss, retransmissions, and congestion
  • Estimate cellular data consumption for mobile and in-vehicle systems
  • Use Wireshark, tcpdump, iperf, or similar tools to deliver sizing and performance recommendations
• Engineering & Edge Systems Support
  • Help Software Engineering isolate whether issues come from software, network, OS, hardware, or third-party systems
  • Support integration of controllers, cameras, RFID/LPR equipment, gateways, and antennas
  • Support Windows- and Linux-based edge environments, including services, interfaces, and certificates
  • Support development and validation lab environments
• DevOps Collaboration
  • Partner with DevOps on DNS, routing, firewalls, TLS/certificates, and secure communications
  • Provide packet captures, logs, and diagnostics for root-cause analysis
  • Support connectivity across corporate infrastructure, edge systems, customer sites, and hosted systems
• Technology Evaluation & Proofs of Concept
  • 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
• Security & Documentation
  • Apply security best practices across M365, servers, networks, and remote access
  • Maintain network diagrams, IP/VLAN records, port and firewall requirements, and configuration standards
  • Participate in incident investigation, root-cause analysis, and corrective action

Qualifications

• 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

Preferred

• Degree in IT, Computer Science, Computer Engineering, Telecommunications, or equivalent experience
• Microsoft 365, Entra, or Windows Server certifications
• CCNA, CCNP, or equivalent hands-on networking expertise
• Experience in environments mixing corporate IT, on-prem servers, hosted systems, and edge infrastructure
• Experience with monitoring, backup/recovery, and virtualization tools
• Exposure to industrial networking, RFID/LPR, cellular routers, or edge hardware
• Familiarity with zero-trust and secure remote-access architectures
• Scripting in PowerShell, Bash, or Python

Benefits

• 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