Senior Network Technician

Senior Network TechnicianThe Senior Network Technician will support, maintain, troubleshoot, and optimize IT and OT network infrastructure to ensure high availability, security, and operational continuity across corporate, industrial, and railway environments throughout the Florida East Coast (FEC) railroad network.Key ResponsibilitiesInstall, configure, maintain, and troubleshoot IT and OT network infrastructure.Support LAN, WAN, WLAN, and industrial network environments across distributed FEC locations.Configure and maintain routers, switches, firewalls, wireless infrastructure, and OT network equipment.Assist with network segmentation initiatives and implementation of industrial DMZ environments.Monitor network performance, availability, and security using enterprise monitoring tools.Diagnose and resolve Level 2 and Level 3 network incidents and outages.Perform firmware upgrades, patching, hardware replacements, and lifecycle maintenance activities.Support disaster recovery, business continuity, and network resiliency initiatives.Maintain network documentation, diagrams, standards, and operational procedures.Coordinate with engineering, cybersecurity, operations, and third-party vendors.Participate in on-call support and emergency response activities.Travel frequently to FEC operational and field locations.Activities assigned by leadership.Technical Knowledge• Routing & Switching fundamentals (VLANs, STP, OSPF, TCP/IP, DHCP, DNS); Enterprise networking and wireless technologies; Firewall administration and security fundamentals; Industrial networking concepts; Modbus, DNP3, OPC; Purdue Model and OT cybersecurity best practices.Required Experience• 5+ years supporting enterprise, industrial, or transportation network environments, including Cisco/Fortinet platforms and distributed operations.Certifications• Required: CCNA. Preferred: CCNP, Fortinet Certified Professional, CompTIA Network+, IEC 62443.Languages• Spanish: Advanced/Native. English: Advanced (spoken and written).Job Requirements• 35% travel required• Work hours may vary in length and schedule (may include a non-standard workweek)Physical Demands• The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. • While performing the duties of this job, the employee is regularly required to sit and use hands to handle or feel objects, tools or controls. Frequently required to speak or hear. The employee usually required to stand, reach with hands and arms and stoop, kneel, and crouch. The employee must occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this position include close vision and the ability to adjust focus.ConfidentialityEmployee understands that in this position, there may be exposure to confidential material and promises and agrees not to discuss or otherwise disclose any confidential information to any third-party.