Network Operations Center Engineer

L&T Technology Services; Omaha (NE); On-site; USD 90,000 - 120,000; Full time

Job summary

L&T Technology Services seeks a motivated NOC Engineer to monitor and maintain enterprise and OT networks from the NOC in Omaha, NE. You will troubleshoot connectivity, manage incidents, and coordinate with vendors to ensure high availability of telecom systems.

The ideal candidate has 3+ years in NOC or telecom environments, strong TCP/IP and routing knowledge, and experience with Linux administration. Willingness to work shifts and on-call support is required.

Qualifications

• Bachelor's degree or Diploma in Computer Science, Telecommunications, Information Technology, Electronics Engineering, or related field.
• 3+ years of experience in Network Operations Center (NOC), telecommunications, or network support environments.
• Strong understanding of networking fundamentals including TCP/IP, Routing & Switching, VLANs, DNS/DHCP, VPNs.
• Hands-on experience with routers, switches, and network infrastructure troubleshooting.
• Experience supporting Telecom Carrier, ISP, WAN, or enterprise connectivity environments.

Responsibilities

• Monitor, maintain, and support enterprise and OT network infrastructure from the NOC environment.
• Perform proactive monitoring, fault detection, troubleshooting, and resolution of network incidents.
• Diagnose and resolve issues related to routers, switches, and network connectivity.
• Support microwave radio communication systems and backhaul infrastructure.
• Coordinate with telecom vendors, ISPs, and third-party service providers to resolve network issues.
• Analyze network performance and recommend improvements to ensure reliability and availability.
• Manage incidents, problem tickets, escalations, and service restoration per defined SLAs.
• Perform system administration activities on Linux-based servers and applications.
• Prepare incident reports, root cause analyses, and operational documentation.
• Collaborate with engineering, operations, cybersecurity, and field support teams to maintain continuity.
• Participate in on-call support and shift-based operations.

Skills

TCP/IP

Routing & Switching

VLANs

DNS/DHCP

VPNs

NOC Monitoring

Linux Admin

Incident Mgmt

OT Networks

Education

Bachelors in CS/Telecom/IT

Tools

SolarWinds

PRTG

Nagios

Zabbix

Job description

We are seeking a highly motivated and technically skilled Network Operations Center (NOC) Engineer to support, monitor, and maintain mission-critical communication and network infrastructure. The successful candidate will be responsible for network monitoring, incident management, troubleshooting connectivity issues, and ensuring high availability of telecom and operational systems. Experience with railway operations systems and telecommunications networks is highly desirable.

Key Responsibilities

• Monitor, maintain, and support enterprise and operational technology (OT) network infrastructure from the NOC environment.
• Perform proactive monitoring, fault detection, troubleshooting, and resolution of network incidents.
• Diagnose and resolve issues related to routers, switches, firewalls, and network connectivity.
• Support microwave radio communication systems and associated backhaul infrastructure.
• Coordinate with telecom vendors, ISPs, and third-party service providers to resolve network and connectivity issues.
• Analyze network performance and recommend improvements to ensure reliability and system availability.
• Manage incidents, problem tickets, escalations, and service restoration activities in accordance with defined SLAs.
• Perform system administration activities on Linux-based servers and applications.
• Support network maintenance activities, software upgrades, and configuration changes.
• Prepare incident reports, root cause analyses, and operational documentation.
• Collaborate with engineering, operations, cybersecurity, and field support teams to maintain operational continuity.
• Participate in on-call support and shift-based operations as required.

Required Qualifications

• Bachelor's degree or Diploma in Computer Science, Telecommunications, Information Technology, Electronics Engineering, or related field.
• 3+ years of experience in Network Operations Center (NOC), telecommunications, or network support environments.
• Strong understanding of networking fundamentals including:
• TCP/IP
• Routing and Switching
• VLANs
• DNS/DHCP
• VPNs
• Network Monitoring Tools
• Hands-on experience with routers, switches, and network infrastructure troubleshooting.
• Experience supporting Telecom Carrier, ISP, WAN, or enterprise connectivity environments.
• Knowledge of microwave radio communication systems.
• Experience with Linux administration and troubleshooting.
• Strong understanding of incident management, problem management, and troubleshooting methodologies.
• Excellent verbal and written communication skills.

Preferred Qualifications

• Experience supporting railway or transportation communication systems.
• Knowledge of:
• Positive Train Control (PTC)
• Centralized Traffic Control (CTC)
• Rail Operations Communication Networks
• Familiarity with SCADA, operational technology (OT), or mission-critical infrastructure environments.
• Experience with network monitoring tools such as SolarWinds, PRTG, Nagios, Zabbix, or similar.
• Industry certifications such as:
• CCNA / CCNP
• CompTIA Network+

Key Skills

• Network Monitoring & Operations
• Routing & Switching
• Telecom & ISP Connectivity
• Microwave Radio Systems
• Incident & Problem Management
• Network Troubleshooting
• Operational Technology (OT) Networks
• Positive Train Control (PTC)
• Centralized Traffic Control (CTC)

Nice to Have

• Experience supporting transportation, rail, transit, or critical infrastructure projects.
• Understanding of cybersecurity practices for operational and communication networks.
• Knowledge of field communications equipment and telecom transmission systems.

This position may require participation in a 24x7 operational support model, including rotational shifts, weekends, and on-call support to ensure continuous network availability and incident response.

LTTS is an Equal Opportunity Employer and maintains a clear policy against discrimination based on age, disability, sex, race, religion or belief, gender reassignment, marriage/civil partnership, pregnancy/maternity, or sexual orientation. As an inclusive organization, we actively endorse equal opportunities for all candidates with the right mix of talent, skills, and potential. We encourage applications from a diverse pool of candidates and selection for roles will solely be based on individual merit.

"L&T Technology Services LTD is an equal opportunity employer and is committed to providing reasonable accommodations to qualified individuals with disabilities. If you require any accommodations to participate in the recruitment process or to perform the essential functions of the job, please let us know. We will work with you to provide reasonable accommodations in accordance with applicable law."