Technical Architect - R&D

About the job

Mavenir is building the future of networks and pioneering advanced technology, focusing on the vision of a single, software-based automated network that runs on any cloud. As the industry's only end-to-end, cloud-native network software provider, Mavenir is transforming the way the world connects, accelerating software network transformation for 250+ Communications Service Providers in over 120 countries, which serve more than 50% of the world’s subscribers.

Role Summary

An experienced 5G Packet Core Development Lead to lead the design and development of next-generation cloud-native 5G Core network functions. The ideal candidate will have strong expertise in 5G Packet Core architecture, microservices-based software development, cloud-native technologies, and distributed systems. The role involves leading a team of software engineers in delivering scalable, high-performance, carrier-grade network functions while driving engineering excellence and innovation.

The successful candidate will combine deep telecom domain expertise with modern cloud-native software engineering practices, enabling the development of scalable, resilient, and high-performance 5G Packet Core solutions while providing strong technical leadership to engineering teams.

Key Responsibilities

- Lead the architecture, design, and development of cloud-native 5G Packet Core network functions.

- Drive end-to-end software development using microservices architecture and modern software engineering practices.

- Lead technical discussions, design reviews, code reviews, and architecture decisions.

- Collaborate with system architects, product management, QA, DevOps, and integration teams to deliver high-quality releases.

- Design highly scalable, resilient, and fault-tolerant distributed systems.

- Optimize packet processing performance, latency, and resource utilization.

- Ensure compliance with 3GPP standards and interoperability requirements.

- Drive CI/CD adoption, automated testing, and DevSecOps practices.

- Participate in customer issue analysis, performance optimization, and production support.

- Own feature delivery, technical planning, effort estimation, and release execution.

Job Requirements

Required Technical Skills

- 5G Packet Core - Strong understanding of 5G Core architecture.

- Hands-on experience with one or more core network functions such as:

- Good understanding of Service-Based Architecture (SBA).

- Strong knowledge of 3GPP specifications and interfaces.

- Experience with HTTP/2, REST APIs, TLS, Diameter, and SCTP.

- Knowledge of QoS, mobility management, session management, charging, and policy control.

- Software Development - Strong proficiency in C++, Go, and Python.

- Expertise in microservices architecture and distributed systems.

- Experience developing REST/gRPC APIs.

- Strong object-oriented design and design patterns.

- Multithreading, asynchronous programming, concurrency, and performance optimization.

- Excellent problem-solving and debugging skills.

- Linux systems programming.

- Networking fundamentals including TCP/IP, UDP, IPv4/IPv6, and packet processing.

- Strong experience in cloud-native and microservices-based application development.

- Experience working with Kubernetes-based deployments in production environments.

- Cloud Native Technologies - Docker

- Kubernetes

- Helm

- Service Mesh (Istio or Linkerd)

- Cloud-native application development

- Container orchestration

- Horizontal scaling and resiliency patterns

- DevOps - Git

- Jenkins/GitHub Actions/GitLab CI

- CI/CD pipelines

- Kubernetes deployment automation

- Monitoring using Prometheus and Grafana

- Logging using ELK/OpenSearch

- Leadership Requirements - Lead a team of software engineers in an Agile environment.

- Mentor engineers and support career development.

- Coordinate cross-functional development activities.

- Manage feature planning, risk mitigation, and execution.

- Communicate effectively with stakeholders, customers, and senior leadership.

Required Qualifications

- Bachelor's or master's degree in computer science, Electronics, Telecommunications, or related field.

- 8+ years of software development experience.

- 5+ years of experience in 4G/5G Packet Core development.

Accessibility

Mavenir is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you require any assistance, please state in your application or contact your recruiter.

Mavenir is an Equal Employment Opportunity (EEO) employer and welcomes qualified applicants from around the world, regardless of their ethnicity, gender, religion, nationality, age, disability, or other legally protected status.