Network & Wireless Infrastructure Engineer

Christie•Orlando, FL

About The Position

This is a hands-on global network engineering and administration role responsible for designing, implementing, administering, maintaining, and supporting the organization’s wired and wireless network infrastructure across domestic and international locations. The position is a primary technical resource for reliable, secure, and high-performing connectivity throughout the organization. It combines network engineering, infrastructure administration, project implementation, and operational support.

Requirements

At least 5 years of hands-on experience in network engineering, network administration, or a closely related infrastructure role.
At least 3 years of substantial experience designing, deploying, and troubleshooting enterprise or business-critical Wi-Fi networks.
Demonstrated ability to independently design and implement moderately complex LAN environments.
Experience supporting network infrastructure across multiple business locations and performing installations, upgrades, and troubleshooting with minimal supervision.
Strong hands-on experience with Ubiquiti UniFi wireless infrastructure and management.
Advanced knowledge of RF fundamentals, wireless coverage and capacity planning, interference, channel planning, and roaming; experience conducting site surveys and validating deployments.
Knowledge of WPA2/WPA3, 802.1X, RADIUS, and wireless network segmentation.
Strong proficiency with Cisco Catalyst switches and Cisco IOS/IOS XE, including independent CLI configuration and troubleshooting.
Strong knowledge of VLANs, trunking, STP, LACP, routing, ACLs, PoE, and reliable Layer 2 and Layer 3 network architecture.
Hands-on experience administering Cisco Meraki MX firewalls, including firewall policies, routing, NAT, VPNs, and WAN connectivity.
Strong understanding of TCP/IP, IPv4 subnetting, DNS, DHCP, routing, switching, and network security.
Proficiency with network diagnostic tools, including Wireshark and packet-capture utilities.
Ability to independently troubleshoot complex network performance and connectivity problems and perform root cause analysis.
Knowledge of network documentation and infrastructure management best practices.
Ability and willingness to travel domestically and internationally as business needs require, and to obtain and maintain a valid passport and meet applicable international travel requirements.
Ability to perform on-site network equipment installation and troubleshooting in network closets, equipment rooms, and warehouse environments.
Ability to coordinate projects and technical support across multiple time zones and work effectively with limited supervision.
Willingness to support critical infrastructure outside normal business hours when necessary.
Strong analytical, diagnostic, problem-solving, organizational, documentation, time-management, communication, and prioritization skills.
Ability to take ownership of projects and perform both network engineering and routine administration responsibilities.

Nice To Haves

Cisco CCNA or CCNP certification.
Ubiquiti wireless or enterprise networking certifications.
Wireless networking certifications such as CWNA or CWSP.
Associate's or bachelor's degree in Information Technology, Computer Science, Networking, or a related field; equivalent professional experience may be considered.
Experience with Ekahau, Hamina, NetAlly, or similar wireless design and analysis tools.
Experience designing and supporting wireless networks in warehouses, distribution centers, or industrial facilities.
Experience supporting Android handheld scanners, barcode readers, and other mobile operational devices.
Experience administering network infrastructure across international locations.
Familiarity with Microsoft NPS, RADIUS, and Microsoft Entra ID-related network authentication.
Experience with SD-WAN, redundant internet connectivity, and multi-site VPN architectures.
Knowledge of fiber-optic networking, structured cabling, and network equipment installation standards.
Familiarity with network automation, scripting, or centralized configuration management.

Responsibilities

Manage wired and wireless networking infrastructure across company locations worldwide, including LAN, WLAN, WAN, firewall, and VPN infrastructure.
Establish and maintain consistent network architecture, configuration standards, and security practices across global facilities.
Support network deployments at new locations and during facility expansions, relocations, and renovations.
Plan and execute network upgrades, hardware replacements, and infrastructure improvements.
Remotely diagnose and resolve network issues; coordinate with local personnel, providers, contractors, and vendors.
Maintain network topology diagrams, IP addressing documentation, equipment inventories, and configuration records.
Design, deploy, configure, optimize, and maintain enterprise Wi-Fi networks, primarily using Ubiquiti UniFi equipment.
Conduct predictive and physical wireless site surveys, RF assessments, and post-installation validation; develop coverage and capacity plans.
Select and configure wireless access point placement, antennas, channels, transmit power, SSIDs, VLAN assignments, security, guest access, and enterprise authentication.
Troubleshoot wireless roaming, interference, authentication failures, intermittent connectivity, and performance degradation, including in challenging industrial and warehouse environments.
Administer Ubiquiti UniFi Network management platforms and maintain wireless configuration standards.
Design and implement moderately complex enterprise LAN environments using Cisco Catalyst switches running Cisco IOS and IOS XE.
Configure and troubleshoot Layer 2 and Layer 3 switching, VLANs, trunking, inter-VLAN routing, STP/RSTP, EtherChannel/LACP, ACLs, PoE, IP addressing, and routing.
Plan and execute switch replacements, firmware upgrades, and configuration changes; maintain switching standards and documentation.
Configure, administer, and troubleshoot Cisco Meraki MX appliances, including firewall rules, NAT, routing, VLAN interfaces, segmentation, VPNs, and WAN connectivity.
Support Meraki Auto VPN, IPsec site-to-site VPNs, remote-access VPN services, internet-provider failover, and load balancing.
Monitor firewall health, WAN performance, and security events; coordinate with internet service providers to resolve disruptions.
Analyze packet captures, network logs, monitoring data, and performance metrics to troubleshoot complex network issues and determine root causes.
Support connectivity for business-critical applications, operational equipment, and mobile computing devices.
Maintain network segmentation, access controls, RADIUS and 802.1X integrations, firmware, configuration backups, and recovery procedures.
Develop standardized network configurations and deployment procedures, document physical and logical architecture, and follow change management procedures.
Assist with network security investigations and remediation activities.
Travel to domestic and international locations for assessments, installations, upgrades, troubleshooting, and infrastructure projects.
Coordinate on-site work with facility management, contractors, local personnel, and service providers; validate network performance after installations or upgrades.
Support scheduled maintenance and critical network incidents outside normal business hours when necessary, including occasional evenings or weekends.