Tech Lead, Mobile Core Network Engineering
New
Canada (CAD) Salary Range: $160,000 - $207,000
US – National (USD): $148,000 -$259,000
US High-Cost Locations (USD) - NYC, CT, NJ, Seattle, Los Angeles, San Diego: $136,300 - $237,600
US San Francisco Bay Area (USD): $148,700 -$259,200Full-TimeLead
Salary160000 - 207000 CAD per year
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Job Details
- Experience
- 7+ years
- Required Skills
- AWSArtificial IntelligenceGrafanaPrometheusDatadog
Requirements
- 7+ years in SRE, infrastructure engineering, or network engineering, with a track record of operating complex, high-availability platforms at scale
- Deep understanding of IP networking, routing, tunneling protocols, DNS, DPI
- Experience managing vendor or managed-service relationships for critical infrastructure
- Actively use AI tools to accelerate incident triage, anomaly detection, and root cause analysis
- Provided technical direction and mentorship to other engineers
- Comfortable handling production incidents, analyzing root causes, and implementing long-term fixes
- Hands-on experience with observability platforms like Datadog, Prometheus, Grafana, or the ELK stack
- Experience with AWS (EC2, EKS, VPC networking) or equivalent cloud platform
- Comfortable operating in ambiguity and motivated to learn new technical domains quickly
- Experience with mobile core network operations (LTE/5G EPC/NSA)
- Hands-on experience with HSS, PGW/SGW, PCRF, or similar network functions
- Understanding of 3GPP standards, Diameter, GTP, or mobile packet core architecture
- Experience at an MVNO or with carrier/MVNO-specific network challenges
- Familiarity with IMS or VoLTE deployments, SIP, SMPP, SMTP
Responsibilities
- Own the Mobile Core Platform: Take end-to-end accountability for the health, performance, and evolution of TextNow's mobile core (HSS, PGW, PCRF, and related functions running in AWS). Drive capacity planning and platform evolution to support growing scale.
- Manage Vendor Relationships: Serve as the primary technical interface with our mobile core vendor's Managed Services team and TextNow's broader carrier partners. Review vendor-proposed changes and architectural decisions, catch errors before production, and hold partners accountable to SLAs. Oversee vendor software upgrade cycles, coordinate upgrade windows, and ensure smooth rollouts.
- Build AI-Driven Operational Capabilities: Design and deliver AI tooling to improve operational health, including agentic performance analysis, automated diagnostics, and accelerated root cause analysis. Continuously evolve how the team uses AI to raise the bar on operational excellence.
- Technical Leadership & Mentorship: Provide technical direction and mentorship across the Telecom Engineering pod, growing into people leadership as the team scales.
- Incident Response & On-Call Support: Participate in an on-call rotation, troubleshoot issues, and drive incident resolution to minimize downtime. Conduct post-mortems and implement corrective actions to enhance reliability.
- Cross-Functional Coordination: Partner with product, engineering, and other pods to prioritize and sequence network asks. Translate internal requirements into actionable work for the team and vendors.
- Platform Evolution: Contribute to the long-term technical roadmap for the core network. Develop and improve monitoring, alerting, and operational tooling for core network health. Evaluate new technologies and drive initiatives to reduce operational burden and increase automation.
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