Senior Network Engineer — Enterprise & Rail Networking

R. J. Corman Railroad Group, LLC; Nicholasville (KY); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Medical Insurance

PTO

8 Paid Holidays

401K match

Life Insurance

Disability Insurance

HSA/FSA

Job summary

R.J. Corman Railroad Group in Nicholasville, KY seeks a Senior Network Engineer to join our IT team. The role involves supporting and maintaining corporate and field networks across offices, yards, and remote sites, ensuring uptime for critical railroad operations.

The candidate will manage Cisco ISE, Umbrella, and Cradlepoint devices, coordinate with vendors, and mentor junior staff. Travel to sites may be required. Strong troubleshooting and communication skills are essential.

Qualifications

• 10+ years of experience in enterprise network environments.
• Hands-on experience with Cisco ISE.
• Hands-on experience with Cisco Umbrella.
• Experience with Cisco SmartNet support processes.
• Experience with fiber and wired network infrastructure.
• Azure networking experience (basic to intermediate).
• Experience with Cradlepoint or cellular WAN devices.
• 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 preferred.
• Cisco and/or Azure certifications, or equivalent experience, preferred.
• Familiarity with remote site networking.
• Familiarity with backup and failover connectivity.
• Familiarity with ITIL or structured IT support practices.
• Practical, solutions-oriented mindset.
• Strong sense of ownership and reliability.
• Ability to balance security with operational needs.
• Strong communication skills with technical and non-technical users.

Responsibilities

• Support and maintain corporate and field network environments across railroad offices, terminals, shops, yards, and remote locations supporting rail operations.
• 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.
• Administer and support Cisco ISE for user and device authentication, wired and wireless access control, and integration with Active Directory and security policies.
• Troubleshoot access issues affecting office staff, field devices, and railroad operational systems.
• Manage Cisco Umbrella DNS-layer security policies and support remote users and locations.
• Support and coordinate fiber and structured cabling infrastructure, including MDF/IDF closets, patch panels, switches, cabling documentation, and labeling.
• Coordinate with contractors and vendors for fiber installations, repairs, and testing.
• Support Azure networking components, including site-to-site VPNs and secure connectivity between on-premises locations and Azure.
• Deploy, configure, and support Cradlepoint LTE/5G devices for remote sites, temporary locations, and backup connectivity.
• Monitor connectivity, performance, and reliability of cellular network solutions.
• Manage vendor relationships, Cisco SmartNet support cases, hardware replacements, and support escalations.
• Assist with hardware lifecycle planning and refresh coordination.
• Maintain network documentation, including network diagrams, IP address tracking, site connectivity details, and troubleshooting procedures.
• Follow and contribute to change management practices.
• Collaborate with IT Infrastructure, Cybersecurity, Field Operations, railroad leadership, and site contacts.
• Mentor junior team members and provide guidance on network best practices.
• Communicate clearly during outages or changes impacting railroad operations.

Skills

Cisco ISE usage

Azure networking

Cellular WAN

Vendor management

Troubleshooting

Communication

Tools

Cisco ISE

Cisco Umbrella

Cradlepoint devices

Azure VPNs

Job description

R.J. Corman Railroad Group in Nicholasville, KY seeks a Senior Network Engineer to join our IT team. The role involves supporting and maintaining corporate and field networks across offices, yards, and remote sites, ensuring uptime for critical railroad operations.

The candidate will manage Cisco ISE, Umbrella, and Cradlepoint devices, coordinate with vendors, and mentor junior staff. Travel to sites may be required. Strong troubleshooting and communication skills are essential.