Job Description

Quality Engineer -- Offers Validation (Core & Services QE)

Role summary:

As a Quality Engineer in Core & Services QE, you'll partner with network and systems engineers to understand the end-to-end (E2E) architecture of engineering platform nodes. You'll validate, troubleshoot, and ensure seamless integration of customer services and Carrier Offers across internal and external partner teams--spanning SIM activation through billing, charging, provisioning, and service delivery.

What you'll do

Develop and execute

acceptance test plans, strategies, test cases, and scripts

for functional, integration, and E2E testing.
Validate

subscriber provisioning

and charging flows end-to-end: converged charging, broadband charging (MBC), prepaid, EMM, roaming, MVNE; ensure smooth

lab-to-operations handoff

.
Provide

expert-level diagnostics

for platform and interoperability issues impacting services and products.
Validate and troubleshoot

APIs and web services

(SOAP, XML, REST, JSON).
Generate mobile test traffic (

voice, data, SMS

) and validate

CDR

creation.

Collaborate cross-functionally

with vendors, engineering, and internal teams to triage new and existing features.
Deliver

daily status updates

on priorities, risks, and deliverables.
Document and share knowledge using

Confluence, JIRA, Wireshark, qTest Manager

(and similar).

What you'll bring

Proven experience in

test design, planning, execution, and validation

of applications/platforms.
Strong

debugging and problem-solving

skills on mobile platforms; calm under pressure.
Hands-on with

telecom billing systems

(e.g.,

SAMSON

, prepaid platforms) and telecom protocols.
Solid understanding of networking and telecom protocols:

TCP, UDP, HTTP/S, SIP, DIAMETER, LDAP, SS7, MSRP

, tunneling,

IPv4/IPv6

.
Proficiency with

UNIX/Linux

.
Database knowledge:

SQL, MongoDB

(schema design, modeling, scalability, security).
Familiarity with

IMS and Packet Core

(e.g.,

PCRF, GGSN

).
Exposure to

cloud/DevOps

(e.g.,

Kubernetes, Docker

).
Excellent communication skills for requirements, design discussions, and product validation with technical and non-technical partners.
Experience with

Nokia/Ericsson

platforms for subscriber provisioning in carrier environments.
Background in

telecom service validation and troubleshooting

across billing and provisioning flows.
Strong grasp of

wireless telephony fundamentals

and

mobile network architectures

Job Type: Full-time

Pay: ₹600,000.00 - ₹1,200,000.00 per year

Work Location: Remote