Technical Lead Cellular Core Network

Overview

Gurgaon / Noida/ Bangalore (Hybrid: 3 days per week from Office)

Education: BS or higher in Computer Science or equivalent

Role Overview

Lead the technical design and development of a cloud-based, 3GPP‑compliant 5G SA Core Network. Collaborate closely with architects, guide developers, and contribute hands‑on to implementing key network functions.

Key Responsibilities

• Technical Leadership: Design, document, and implement components of a 5G SA Core Network using Java and relevant databases.
• Backlog & Requirements: Work with Product, Network, and Architecture teams to translate requirements into detailed user stories, backlog items, and acceptance criteria.
• Architecture Alignment: Ensure designs meet security, observability, and performance goals; drive adherence to best practices.
• Hands-on Implementation: Develop network components; use tools like Wireshark, tcpdump, and pcap for analysis.
• Scheduling: Help plan and manage delivery timelines.
• Team Oversight: Mentor developers, conduct code reviews, and troubleshoot complex issues.
• Technical Problem-Solving: Optimize network performance and resolve advanced engineering challenges.
• Innovation: Leverage AI tools (GenAI) for coding, research, and documentation.
  
  

• Proficiency with Java, C/C++
• Experience with at least one database: MySQL, Oracle, Cassandra, Redis
• Strong skills in AI/GenAI coding assistants & prompt engineering
• Git version control and release processes
• Critical thinking and excellent communication skills (written & verbal)
  
  

• Public Cloud (AWS / Azure / GCP)
• Agile Scrum practices
• Spring Boot
• Docker, Containers, Kubernetes
• C/C++
• Message brokers: RabbitMQ, Kafka
  
  

• 3GPP Rel‑15+
• Cellular IDs: ICCID, IMSI, MSISDN, IMEI
• SS7, Diameter, 5G SA (HTTP/2)
• AAA/RADIUS, SMS/SMPP, VoLTE
• API Security: OAuth2, PKI, mTLS/SSL
• IP Networking: Packet inspection, routing, subnets, CIDR, IPv6
  
  

Focus on Connectivity and Network Engineering. Develops competency in own area of expertise. Shares expertise and provides guidance and support to others. Interprets clients needs. Completes own role independently or with minimum supervision. Identifies problems and relevant issues in straight forward situations and generates solutions. Contributes in teamwork and interacts with customers.