Graduate Engineer Trainee

Jio's interview process typically starts with a timed online aptitude test covering quantitative, logical and basic programming questions, followed by a technical interview that probes core network fundamentals, signalling protocols and scenario‑based troubleshooting. The HR round assesses cultural fit and communication skills. Preparation should focus on LTE/EPC concepts, SS7/Diameter basics, and solving aptitude puzzles quickly.

Jio promotes a performance‑driven yet inclusive work culture where learning is continuous and ideas are welcomed. Employees enjoy a balance of challenging projects and flexible work arrangements, with clear pathways for growth and internal mobility.

B.E. / B.Tech in Electronics & Communication, Telecommunication, Computer Science, Information Technology or related branches with minimum 60% aggregate (or CGPA 6.0/10). Must belong to the 2025 or 2026 graduating batch. No active backlogs at the time of joining. Candidates should have a valid GATE score or be able to clear Jio's internal assessment.

Round 1: Online aptitude & technical test → Round 2: Technical interview (core network concepts, problem solving) → Round 3: HR interview (fitment, communication skills)

Reliance Jio Infocomm Ltd, a flagship subsidiary of Reliance Industries, has revolutionised the Indian telecom landscape since its launch in 2016. With a subscriber base crossing 450 million, Jio offers high‑speed 4G, 5G, broadband and a suite of digital services that power everyday life for millions. The company’s aggressive network rollout, focus on innovation and commitment to affordable connectivity have earned it a reputation as a technology‑driven leader in the sector. Jio’s engineering teams work on cutting‑edge projects ranging from core network evolution to AI‑enabled service assurance, making it an ideal launchpad for fresh engineering talent. The Graduate Engineer Trainee (GET) role is designed for recent B.E./B.Tech graduates who are eager to dive into telecom core network operations. As a GET, you will be part of the Core Network team, assisting senior engineers in designing, deploying, and maintaining the 2G, 3G and 4G core infrastructure. The role offers a blend of hands‑on troubleshooting, analytical problem solving, and exposure to industry‑standard signalling protocols. You will collaborate with device, product, RAN and transport teams, gaining a holistic view of end‑to‑end service delivery. Key responsibilities include: 1. Supporting the design of core network architecture. 2. Coordinating with device and product teams to develop requirements for 4G, 3G and roaming capabilities. 3. Assisting in 4G, 3G and 2G core operations and monitoring KPIs. 4. Helping with subscriber provisioning flows and validating authentication and charging systems. 5. Conducting interconnect and roaming testing, analysing call‑flow and signalling issues. 6. Troubleshooting core alarms, outages and documenting configurations. 7. Coordinating with RAN and transport teams for seamless integration. 8. Supporting upgrades and new node roll‑outs. Tech stack exposure includes LTE/EPC, IMS, SS7, Diameter, IP networking, Linux‑based network elements, and automation tools such as Ansible or Python scripts. The growth path typically moves from GET to Engineer, Senior Engineer, and eventually to Lead or Manager roles within the core network domain, with opportunities to transition into 5G core (5GC) projects. Why join Jio? The company offers a fast‑paced learning environment, mentorship from industry veterans, and a clear career progression roadmap. Freshers benefit from structured training programmes, competitive compensation, and a culture that encourages innovation and continuous upskilling. Being part of Jio means contributing to a network that connects an entire nation, making a tangible impact on millions of lives.