[Hiring] Tech Lead, Mobile Core Network Engineering @TextNow

Role Description

We are looking for a hands-on Tech Lead, Mobile Core Network Engineering to own the health and evolution of our mobile core platform. Our cloud-hosted core runs in AWS, with our mobile core vendor providing managed services for day-to-day operations. This role is the critical bridge between our vendor’s Managed Services team and our internal engineering, product, and operations teams.

• Be the technical owner of the mobile core, combining deep technical expertise with strong coordination skills.
• Dive into the technical details, challenge approaches when needed, and ensure our core network evolves to meet the demands of a growing subscriber base.
• This role has a clear growth path into technical and people leadership as the team scales.

Qualifications

• 7+ years in SRE, infrastructure engineering, or network engineering.
• Deep understanding of IP networking, routing, tunneling protocols, DNS, DPI.
• Experience managing vendor or managed-service relationships for critical infrastructure.
• Active use of AI tools for incident triage, anomaly detection, and root cause analysis.
• 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.

Requirements

• Experience with mobile core network operations (LTE/5G EPC/NSA).
• 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.

What You'll Do

• Take end-to-end accountability for the health, performance, and evolution of TextNow's mobile core.
• Serve as the primary technical interface with our mobile core vendor's Managed Services team.
• Design and deliver AI tooling to improve operational health.
• Provide technical direction and mentorship across the Telecom Engineering pod.
• Participate in an on-call rotation, troubleshoot issues, and drive incident resolution.
• Partner with product, engineering, and other pods to prioritize and sequence network asks.
• Contribute to the long-term technical roadmap for the core network.

Benefits

• Free phone service.
• Strong work life blend.
• Flexible work arrangements (work-from-home, remote, or access to one of our office spaces).
• Employee stock options.
• Unlimited vacation.
• 12 paid holidays per year.
• Competitive pay.
• Health, dental, and vision benefits.
• Short-term & long-term disability.
• $750 annual wellness benefit or healthcare spending account.
• RRSP matching (Canada) | 401(K) (USA).
• Parental leave for eligible employees.
• Learning & Development opportunities.