TextNow, Inc.
Tech Lead, Mobile Core Network Engineering
San Francisco, CA · Senior
Stay score
odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$9,716 more — $146,016 — moves this role to Level II and 2 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $146,016 would place this position at wage Level II. That figure is within the posted range, and I'd like to target it. This role classifies under "Computer Network Architects" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Computer Network Architects (15-1241) · San Francisco-Oakland-Fremont, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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About the role
- This role is the critical bridge between our vendor's Managed Services team and our internal engineering, product, and operations teams.
- You'll be the technical owner of the mobile core, combining deep technical expertise with strong coordination skills.
Responsibilities
- 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.
- 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.
- Drive capacity planning and platform evolution to support growing scale.
- Evaluate new technologies and drive initiatives to reduce operational burden and increase automation.
Requirements
- Experience managing external vendors and their deliverables, not just working alongside them
- Experience with observability platforms (Datadog, Grafana, Prometheus, or similar)
- Track record leading complex technical initiatives across multiple teams
Nice to have
- Experience with Infrastructure as Code tooling (Terraform, CloudFormation, or similar)
- Experience with a language such as Go, Python, or similar scripting languages
- Experience with carrier, telecom, networking, or mobile infrastructure
- High-impact role: your work directly affects millions of users' connectivity
- Small, senior team where your decisions and leadership shape the platform's direction
- Collaborative, low-ego engineering organization
- 7+ years operating highly available production infrastructure in the cloud (AWS preferred)
Skills
- Our cloud-hosted core runs in AWS, with our mobile core vendor providing managed services for day-to-day operations.
Compensation
- $136,300 - $273,900 a year
- Our total rewards package goes beyond base salary.
- We offer a comprehensive benefits program, an annual performance-based bonus, and equity opportunities that ensure you share in the success you help create.
- We know that exceptional talent doesn't always fit neatly into a range, so if you're passionate about our mission and think you can make a difference, we encourage you to apply, even if your compensation expectations are outside the listed range.
- Final compensation will be determined based on a variety of factors, including your skills, experience, and location.
- USD $123,900 - $249,000
Benefits
- Competitive compensation, equity, and comprehensive benefits
- 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).
- 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.
- Develop and improve monitoring, alerting, and operational tooling for core network health.
This listing is sourced directly from TextNow, Inc.'s careers page and normalized into a canonical job model.