Lumen Solutions Group Inc. · 1 day ago
Senior Network Engineer
Lumen Solutions Group Inc. is seeking a highly experienced Network Engineer to support and maintain mission-critical Train Control Systems. This role involves managing secure and fault-tolerant network infrastructures, administering RedHat and Windows systems, and ensuring 24/7 availability of control systems across multiple facilities.
Information Technology & Services
Responsibilities
Lead technical analysis, design, and implementation of Train Control System enhancements
Ensure 24/7 availability of network infrastructure across four Train Control System facilities
Configure, administer, and maintain RedHat and Windows systems
Plan and implement OS, hardware, and software upgrades
Configure and support routers, switches, and firewalls
Develop and monitor network security policies and practices
Create and maintain operating and troubleshooting procedures
Provide emergency system and network support on a 24/7 basis
Interface with external technical specialists for system upgrades and problem resolution
Document network architecture and administrative procedures
Qualification
Required
Bachelor's degree in Computer Science or equivalent experience
7+ years of experience with real-time SCADA control systems and operations
7+ years of experience in networking, workstation, and server OS administration
Strong knowledge of multi-platform system configuration and maintenance
Experience with full lifecycle hardware/software projects
Expertise in network design and maintenance (switches, routers, firewalls)
Proficiency in RedHat and Windows security practices
Strong communication skills for technical documentation and presentations
Ability to collaborate with diverse, non-technical stakeholders
General knowledge of railroad operations, signaling, and electrification concepts
Preferred
Master's degree in Computer Science or related field
10+ years of experience in SCADA systems and multi-platform environments