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OSS/BSS QA Engineer - Core Telecom Systems

5 years

0 Lacs

pune maharashtra

Posted:6 days ago| Platform: Indeed logo

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Skills Required

software development test reliability service enablement layers messaging testing ai automation drive efficiency design analysis rest microservices postman jmeter billing architecture mediation visual integration jenkins gitlab

Work Mode

On-site

Job Type

Full Time

Job Description

Pune, Maharashtra, India


Department
IT Software Development Test Engineering
Job posted on
Nov 14, 2025
Employment type
Full Time Employee
OSS/BSS QA Engineer - Core Telecom Systems
About the Role
We are seeking an experienced OSS/BSS QA Engineer to ensure the quality, reliability, and
performance of our critical telecom service enablement and revenue assurance systems.
The scope of work focuses on key components that span both the operational and business
layers, including the Online Charging System (OCS), CDR Manager, OTA platform, A2P
messaging gateway, and Whitelist Manager.
The ideal candidate will possess a strong foundation in software testing principles, deep
expertise in the telecommunications domain, and practical experience implementing modern,
AI-powered automation solutions to drive efficiency across the end-to-end service lifecycle
Required Qualifications
1. Core Testing Foundations
  • 5+ years of progressive experience in Quality Assurance/Software Testing, with a
significant focus on high-volume, real-time backend systems.
  • Expert-level knowledge of Software Testing Life Cycle (STLC), test design techniques
(e.g., state transition, boundary value analysis), and quality metrics.
  • Proven proficiency in testing REST/SOAP APIs and microservices using professional
tools (e.g., Postman, JMeter, SoapUI, or equivalent).
2. Telecom & Domain Knowledge (OSS/BSS)
  • Mandatory: Deep functional knowledge of Online Charging (OCS) and the interplay
between charging and billing systems (BSS).
  • Strong understanding of Telecom protocols such as Diameter (Gy/Gx/Sy interfaces),
RADIUS etc
  • Solid grasp of the OSS/BSS architecture and the critical processes associated with Call
Detail Records (CDR) Mediation and Service Fulfilment/Assurance (OTA).
3. Automation & Tools
  • 5+ years of experience in Quality Assurance/Software Testing, with a significant
focus on backend systems, APIs, and microservices.
  • 3+ years of hands-on experience in implementing robust test automation frameworks.
  • Practical experience or good knowledge of AI-augmented testing tools and concepts
(e.g., visual testing, self-healing selectors) to enhance automation efficiency.
  • Experience with integration tools (Jenkins, GitLab CI) and version control (Git).
  • Proficiency in testing APIs/Web Services using tools like Postman, SoapUI, or similar.

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OSS/BSS QA Engineer - Core Telecom Systems

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