TextNow
Tech Lead, Mobile Core Network Engineering
$124K–$299K
San Francisco, CA +1 · Full-time · Posted May 8, 2026
- Location
- San Francisco, CA
Open- Canada - Experience
- 7+ years operating highly available production infrastructure in the cloud.
About the job
Own and evolve TextNow’s AWS-hosted mobile core network, coordinating vendor operations and internal teams while improving reliability and operational capabilities.
What you'll do
- Own mobile core health, performance, capacity planning, and platform evolution.
- Lead vendor coordination, review changes and upgrades, and hold partners accountable to SLAs.
- Build AI-driven operational tools, lead incident response, and provide technical direction and mentorship.
What they ask for
- 7+ years operating highly available production infrastructure in the cloud (AWS preferred).
- Background in Site Reliability, Infrastructure, Platform, or Network Engineering; strong networking fundamentals and production troubleshooting.
- Experience managing external vendors and their deliverables.
- Hands-on Kubernetes experience; experience with observability platforms such as Datadog, Grafana, or Prometheus.
Nice to have
- Experience with Infrastructure as Code tooling (Terraform, CloudFormation, or similar).
- Experience with Go, Python, or similar scripting languages; carrier, telecom, networking, or mobile infrastructure experience.
Pay
USD $123,900 - $249,000 (base salary); USD $136,300 - $273,900 (base salary); USD $148,700 - $298,800 (base salary)
Tools
AWS, HSS, PGW, PCRF, Kubernetes, Datadog, Grafana, Prometheus
AI focus
Design and deliver AI tooling for agentic performance analysis, automated diagnostics, and faster root cause analysis.
Model-written summary · the original posting is authoritative