Senior Network Operations Engineer — 24/7 Incident Response

Nscale; Madison (NC); On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Flexible PTO

Parental leave

Retirement plan

Job summary

Nscale is hiring a senior Network Operator to keep our global network available, fast, and secure. You will monitor health, triage incidents, implement changes, and mentor junior operators while partnering with engineering and vendors to restore services quickly.

Ideal candidates have 3–5 years in network operations, strong TCP/IP and routing knowledge, hands-on CLI skills across major platforms, and ITIL‑aligned incident handling. On‑call rotations apply.

Qualifications

• 3–5 years in network operations or similar infrastructure support.
• Solid understanding of TCP/IP, subnetting, VLANs, DNS, DHCP and NAT.
• Hands-on experience with BGP/OSPF and STP/LACP/trunking.
• Familiarity with firewalls and VPNs (Palo Alto, Fortinet, Cisco ASA).
• Experience configuring enterprise devices via CLI (Cisco/Juniper/Arista).
• Proficiency with monitoring and diagnostic tools (ping, traceroute, Wireshark, SNMP, NetFlow).
• ITIL-style incident/change processes with ServiceNow or Jira.
• CCNA/JNCIA or equivalent certification, or hands-on experience.
• Strong communication; able to provide clear incident updates.
• Willingness to rotate night shifts and on-call rotations.

Responsibilities

• Monitor LAN, WAN, data center and cloud network infrastructure 24/7.
• Triage, troubleshoot and resolve Tier 1–2 incidents across routing, switching, firewalls, VPNs, load balancers and wireless.
• Escalate complex issues to network engineering with clear diagnostics.
• Lead response to outages during shifts, coordinate with teams and carriers.
• Follow SLAs for incident acknowledgment, response and resolution.
• Implement approved changes during maintenance windows with rollback plans.
• Maintain backups and inventories; document RCAs and handovers.
• Create runbooks and diagrams; tune alerts to reduce noise.
• Mentor junior operators; collaborate with ISPs, vendors and security teams.

Skills

TCP/IP

Subnetting

VLANs

DNS

DHCP

NAT

BGP

OSPF

STP

LACP

Routing protocols

Firewalls

VPNs

Cisco/Juniper/Arista CLI

Wireshark

SNMP

NetFlow

ITIL processes

ServiceNow/Jira

Incident management

Night shifts/on-call

Communication

Automation basics

Education

CCNA

JNCIA

Network+

CCNP

JNCIS

PCNSA/NSE

Bachelor's degree in CS/IT/Networking

Python/Automation scripting

Tools

SolarWinds

PRTG

Zabbix

Nagios

Datadog

Wireshark

ServiceNow

Jira

Job description

Nscale is hiring a senior Network Operator to keep our global network available, fast, and secure. You will monitor health, triage incidents, implement changes, and mentor junior operators while partnering with engineering and vendors to restore services quickly.

Ideal candidates have 3–5 years in network operations, strong TCP/IP and routing knowledge, hands-on CLI skills across major platforms, and ITIL‑aligned incident handling. On‑call rotations apply.