Reliance Jio Recruitment 2026: Graduate Engineer Trainee (Mumbai)

Company :- Reliance Jio
Job Title :- Graduate Engineer Trainee
Job Requisition ID :- 86702213
Team / Division :- Core Network Engineering & Operations / Telecommunications
Work Mode :- Onsite
Employment Type :- Full Time / Permanent Trainee
Experience Level :- Fresher
Posting Recency :- Posted 07 Aug 2026
Location :- Mumbai, Maharashtra, India

The Core Network Engineering team is responsible for managing the architecture, deployment, and operational stability of multi-generational telecommunication networks.

In this role, Graduate Engineer Trainees work on core network systems, supporting 4G, 3G, and 2G subscriber provisioning, signaling, interconnectivity, and network node rollouts. The team closely collaborates across Radio Access Network (RAN), Transport, and Product engineering units to deliver high network availability and smooth service operations.

Core Network Architecture & Deployment

• Design & Node Support: Support the design of Core network architecture and assist with software/hardware upgrades and new node rollouts.
• Requirements Alignment: Coordinate with device and product teams to develop technical requirements supporting 4G, 3G, and roaming capabilities.
• Cross-Domain Coordination: Collaborate actively with RAN and Transport teams to maintain seamless end-to-end network connectivity.

Operations, Monitoring & Maintenance

• Core Operations: Support day-to-day 4G, 3G, and 2G core network operations.
• KPI Tracking: Monitor critical core Key Performance Indicators (KPIs) and service delivery parameters.
• Provisioning & Systems: Assist in subscriber provisioning flows and validate core authentication and charging systems.

Troubleshooting, Testing & Documentation

• Signaling Analysis: Analyze call flows, signaling issues, and network traces.
• Fault Management: Troubleshoot core network alarms, outages, and performance bottlenecks.
• Testing & Governance: Support interconnect and roaming testing while meticulously documenting system configurations and change management logs.

Minimum Requirements

• Education: B.E. / B.Tech degree in Electronics & Communication, Telecommunication, Electrical, Computer Science, or related engineering streams.
• Experience Level: Fresher (0 years of experience).
• Core Technical Knowledge: Basic understanding of 4G, 3G, and 2G core network architectures and basic IP networking concepts.

Preferred Qualifications

• Protocol & Standard Awareness: Basic understanding of telecom signaling protocols and familiarity with global telecom standard frameworks (3GPP/ITU).
• Analytical & Communication Skills: Strong analytical thinking, problem-solving, and troubleshooting abilities, combined with good written and verbal communication.
• Personal Attributes: Strong team player with a continuous learning mindset.

Estimated Compensation Expectations

For a Graduate Engineer Trainee (Fresher) in Core Network Engineering at Reliance Jio (Mumbai):

Estimated Salary Range: ₹3,50,000 to ₹5,00,000 INR per annum, depending on academic performance, engineering discipline, and technical assessment evaluation.

The recruitment sequence for Graduate Engineer Trainees generally follows this pattern:

1. Online Resume Shortlisting & Registration (Requisition ID: 86702213)
   ↓
2. Aptitude & Technical Assessment (Telecom Basics, IP Networking & Analytical Reasoning)
   ↓
3. Technical Interview (4G/3G Core Concepts, Protocols & Call Flow Scenarios)
   ↓
4. HR Interview (Communication Check, Learning Mindset & Location Readiness)

• Core Network Architecture: Basic functions of EPC (MME, SGW, PGW, HSS) in 4G and core elements in 2G/3G networks.
• Signaling Protocols & Call Flows: Basic understanding of SIP, Diameter, SS7/MAP protocols, and registration/call setup flows.
• IP Networking Fundamentals: OSI model, TCP/IP, IP addressing, subnetting, and basic routing concepts.
• Telecom KPIs: Understanding subscriber provisioning, handover success rates, and roaming architecture basics.

Incorporate these targeted keywords into your application profile to maximize alignment with the Applicant Tracking System (ATS):

• Graduate Engineer Trainee (GET)
• 4G / 3G / 2G Core Network Architecture
• Signaling Protocols & Call Flow Analysis
• IP Networking & Subnetting
• Subscriber Provisioning & Authentication
• Interconnect & Roaming Testing
• Core KPI Monitoring & Fault Troubleshooting
• Network Node Upgrades & Rollout

• RAN & Transport Team Coordination
• Alarm Monitoring & Outage Troubleshooting
• Configuration Documentation & Change Management
• Analytical & Problem-Solving Skills
• Learning Mindset & Team Collaboration

1. What is the Job Requisition ID for this role?

The job requisition ID for this position is 86702213.

2. Are freshers eligible to apply for this Graduate Engineer Trainee role?

Yes, the role explicitly specifies Fresher under experience requirements.

3. What degree is required for this position?

Candidates must hold a B.E. / B.Tech degree in relevant engineering disciplines.

4. Where is this position located?

This position is based in Mumbai, Maharashtra, India.

5. What network generations will the trainee be working on?

The trainee will support core operations and requirements for 4G, 3G, and 2G networks.