Sr. Network Engineer

• Support and maintain corporate and field network environments across:

• Troubleshoot and resolve network connectivity issues impacting operational systems, dispatching, safety, and business functions.

• Serve as an escalation point for complex network incidents and outages.

• Troubleshoot access issues affecting office staff, field devices, and railroad operational systems.

• Manage Cisco Umbrella DNS-layer security policies to protect users and devices from malicious or unauthorized internet activity.

• Adjust policies to balance security with railroad operational needs

• Support roaming users and remote locations using Umbrella-based protection.

• Support and coordinate fiber and structured cabling infrastructure across railroad facilities, including:

• Patch panels, switches, cabling documentation, and labeling

• Coordinate with contractors and vendors for fiber installs, repairs, and testing.

• Ensure facilities meet basic network standards for uptime and safety.

• Support networking components related to Azure-hosted applications and services, including:

• Assist with troubleshooting connectivity issues affecting cloud-based railroad systems.

• Deploy, configure, and support Cradlepoint LTE/5G devices used for:

• Monitor connectivity, performance, and reliability of cellular network solutions.

• Manage vendor relationships and support cases for network equipment.

• Open and coordinate Cisco SmartNet tickets, hardware replacements (RMA), and support escalations.

• Assist with hardware lifecycle planning and refresh coordination.

• Follow and contribute to change management practices to minimize operational risk.

• Mentor junior team members and provide guidance on standard network practices.

• Communicate clearly during outages or changes that impact railroad operations.

• 10+ years of experience supporting enterprise network environments.

• Strong troubleshooting skills in real-world operational environments.

• Ability to support business-critical systems where uptime and safety are priorities.

• Comfortable working with vendors, contractors, and internal teams.

• Experience supporting industrial, transportation, railroad, or field operations environments .

• Cisco and/or Azure certifications (or equivalent experience).

• Comfortable working in both office and railroad field environments

Benefits: R.J. Corman Railroad Group, LLC is committed to providing its employees and their families with quality benefits. R.J.

Corman offers the following

benefits: