Senior Network Engineer, Data & AI Infrastructure

Obsidian; San Francisco (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Obsidian is seeking a Level 3 / Tier 3 network support engineer who blends hands-on troubleshooting with an interest in data science and autonomous infrastructure. You will review real-world network data, label and classify behaviors, and help shape data pipelines for AI-driven systems.

This hands-on role requires on-call readiness, experience with enterprise networks, and strong WLAN knowledge. You will interface with client teams and contribute to scalable data models powering AI in networking.

Qualifications

• Must have L3/Tier3/Principal Support Engineer experience with on-call rotations and RCAs.
• Hands-on experience with end-customer enterprise networks (switches, APs, firewalls) across industries.
• Hands-on Wi‑Fi proficiency with enterprise WLAN controllers (Cisco WLC, Aruba, Meraki) and 802.1X/RADIUS.

Responsibilities

• Review real-world data from deployed networks: logs, configs, telemetry, event streams.
• Label and classify network behaviors, issues, anomalies, and incident patterns.
• Help define schemas for large-scale data pipelines for downstream ML models.

Skills

L3 / Tier 3 support

RCA workflows

Troubleshooting

Data labeling

Data pipelines understanding

Tools

Cisco WLC

Aruba WLAN

Meraki WLAN

Job description

Obsidian is seeking a Level 3 / Tier 3 network support engineer who blends hands-on troubleshooting with an interest in data science and autonomous infrastructure. You will review real-world network data, label and classify behaviors, and help shape data pipelines for AI-driven systems.

This hands-on role requires on-call readiness, experience with enterprise networks, and strong WLAN knowledge. You will interface with client teams and contribute to scalable data models powering AI in networking.