L1 Network and Security Engineer, 1st Line NOC Support

Nomios

full-time

Posted on: 1/29/2026

Location Type: Remote

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About the role

Monitor customer network infrastructure using NOC monitoring tools and dashboards
Respond to alerts and notifications as they occur
Perform basic checks and first line troubleshooting following documented procedures
Identify potential service impacting issues and log incidents accurately
Escalate complex or unresolved issues to second or third-line teams in line with processes
Create, update, and manage incidents and service requests using the ticketing system
Ensure tickets contain clear, accurate notes and are updated in a timely manner
Carry out initial diagnostics and basic network testing
Gather logs, screenshots, and relevant information to support escalation
Act as a first point of contact for customer technical queries and service requests

Strong interest in networking and security technologies
Good verbal and written communication skills
Willingness to learn, take feedback, and work as part of a team
Basic understanding of IP networking concepts
Familiarity with ticketing systems such as Salesforce, ServiceNow, or similar
Awareness of network monitoring tools such as SolarWinds, Nagios, Zabbix, or similar
Exposure to working in NOC environment
Introductory knowledge of routing technologies such as OSPF and BGP (desirable)
Awareness of MPLS and carrier network concepts (desirable)
Exposure to Ethernet services such as E Line or E LAN (desirable)
Basic understanding of optical networking technologies including CWDM and DWDM (desirable)
Exposure to GPON or XGSPON access networks (desirable)

Benefits

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

network monitoringtroubleshootingIP networkingrouting technologiesMPLSEthernet servicesoptical networkingGPONXGSPON

Soft Skills

communicationteamworkwillingness to learnfeedback acceptance