Information Technology Network Administrator

• Troubleshoot and optimize Layer 2/3 network configurations, including VLANs, routing (static, OSPF, BGP), and IP address planning.
• Partner with telecom vendors and internal stakeholders for voice/circuit troubleshooting and improvements.
• Provide Tier 2 IT support for end-user devices (desktops, laptops, mobile devices, printers, and AV systems).
• Assist in managing the Microsoft Teams Phone Calling environment (call queues, auto attendants, device provisioning).
• Assist with new jobsite or office deployments, including network equipment setup, testing, and documentation.
• Maintain clear and up-to-date technical documentation on infrastructure and user support processes.
• Collaborate with Tier 1 support staff and serve as an escalation point for complex technical issues.
• Administer VoIP infrastructure including SIP trunks, call routing, QoS, and endpoint troubleshooting.
• Implement, monitor, and maintain LAN/WAN environments, switches, firewalls, and access points.
• Support employee onboarding/offboarding: device setup, peripheral configuration, and account provisioning.
• Plan and execute network changes during scheduled maintenance windows, including hardware upgrades and configuration changes.

Level: 4+ years experience

Knowledge in the following functions (not required)

KAI Enterprises is seeking a Network Support Admin with a solid foundation in network administration and VoIP/SIP technologies, paired with the ability to manage escalated end-user support and site IT setup. This hybrid role supports both tactical day-to-day operations and strategic infrastructure growth. You will be actively involved in configuring, maintaining, and troubleshooting the enterprise network and voice systems across our office and project locations.

• Security tools administration (MFA, antivirus, phishing simulation platforms).
• Familiarity with Microsoft Teams Phone administration.
• Strong documentation and process development skills.
• Demonstrated experience working in hybrid cloud/on-prem network environments (Azure/AWS).
• Familiarity with Autodesk, Adobe, Bluebeam, or other AEC specific products.
• Familiarity with Digital Signage Software.
• Direct experience with network troubleshooting tools (e.g., Wireshark, NMAP, traceroute).
• Experience with patch management solutions (Intune, JAMF, Mosyle, etc.).
• Familiarity with Azure or AWS networking concepts (virtual networks, VPN gateways).
• Solid understanding of VoIP technologies, including SIP signaling, call flow analysis, QoS, and basic PSTN integration.
• Able to lift up to 50 lbs. as needed.
• Ability to collaborate across IT roles and work with external vendors, construction teams, and remote staff.
• Experience leading or participating in VoIP or PBX migration projects.
• Exposure to Windows Server or Linux system administration, including user roles and permissions.
• Familiarity with Sophos.
• Knowledge of VMWare or other virtualization platforms.
• 4+ years in network administration or a hybrid network/support role.
• Ability to manage hardware inventory and coordinate deployments in collaboration with other IT staff.
• Enthusiastic about improving systems and proactively suggesting technical or procedural enhancements.
• Experience with enterprise networking: switch configuration, VLANs, Layer 2/3 routing, and firewall policies.
• Proven ability to balance strategic improvements with day-to-day operational demands.
• Proficient in Office 365 administration, Active Directory, and basic identity management.
• Valid driver’s license with a clean record and ability to occasionally travel to job sites.
• Certification(s): CompTIA Network+, Cisco CCNA, or Microsoft 365 certifications.
• Experience with Microsoft Teams Rooms, Logitech, Crestron, or similar conference room systems for resets and escalation to our Crestron A/V providers.

This is a hybrid position based in our Irving, TX office, with limited travel to job sites and remote offices. Employees are expected to be on-site from Tuesday through Thursday, with the option to work remotely in accordance with company policy.