Senior Network Systems Engineer
Core
Operate, maintain, troubleshoot, and enhance core and distribution networks for an ISP, including system builds, upgrades, and complex escalations.
Role type
Senior hands-on Network Systems Engineer
Builds
Core and distribution networks, system builds, network upgrades, and infrastructure improvements
Domain
Internet Service Provider (ISP) / Telecommunications
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work -> infrastructure
Required skills
Routing and switching, BGP, IP addressing, VLANs, firewalls, DHCP, DNS, Linux administration, RADIUS/AAA, network monitoring, Cisco router/switch configuration, technical documentation, incident response, on-call support
Preferred skills
Experience with Cisco ASR 1000 Series, Zabbix/PRTG, mentoring technical teams, managing multiple operational issues
Technologies
Cisco, Linux, Zabbix, Asterisk, Ethernet, Nexus, Windows
Responsibilities
Operate and maintain core and distribution networks; configure routers, switches, firewalls, and monitoring platforms; lead system builds, upgrades, and migrations; act as senior escalation point for outages; provide on-call support for network outages and site issues; develop network diagrams, procedures, and standards; mentor Technical Support and Field Services teams; inspect network installations; manage equipment inventory
Seniority
Senior, hands-on IC