Sr. Network Engineer

R.J. Corman Railroad Group is currently seeking a Senior Network Engineer to join our team in Nicholasville, KY.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.

Specialized or Technical Knowledge, Education and Experience:

• 10+ years of experience supporting 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.

Physical Requirements:

• Ability to work in both office and railroad field environments.

• Ability to respond to network incidents and outages affecting operational systems.

• Ability to travel as needed.

Environmental Conditions:

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Works in a combination of office, railroad facility, terminal, yard, shop, and remote field environments.

• Supports network infrastructure in operational railroad settings.

• May require travel to railroad facilities, remote locations, and field sites.

• Works in environments where uptime, safety, and operational continuity are critical.

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:

Full-Time Team Members:

• Immediate Eligibility Starting Day One of Employment:

• Medical, Dental, Vision Insurance

• PTO (Paid Time Off) Accrual

• 8 Paid Holidays Per Year

• Veteran’s Day is a Paid Holiday for US Veterans

• Voluntary Supplemental Life Insurance

• Voluntary Short and Long-Term Disability

• Voluntary Accident Insurance

• FSA and HSA Options

• 401K Employer Match

• Paid Maternity Leave

• Group Life Insurance

All Team Members:

• 401K Retirement Savings Plan

• Referral Bonuses

• Employee Discounts from Various Suppliers

• Employee Assistance Program

• Annual Boot Voucher

• Company Provided PPE

• Prescription Safety Glasses Allowance

R. J. Corman Railroad is an Equal Employment Opportunity (EEO) employer that is committed to a safe and drug-free workplace. R. J. Corman performs pre-employment criminal background checks and substance abuse testing, which includes a urine drug test to detect the presence of illegal drugs. We appreciate your cooperation in keeping R. J. Corman a safe and drug-free company.