Quality Assurance Engineer - Test Automation

Transaction Network Services (TNS); Kolkata District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Transaction Network Services (TNS) in Kolkata is looking for a skilled QA engineer to develop and execute test strategies for telecom applications. Candidates should have strong experience in automation and scripting.

The role requires a minimum of 5 years in software testing, preferably in a telecommunications environment, with knowledge in protocols like SIP, SS7, and experience with RestAPI testing. Excellent communication skills are also essential.

Qualifications

• 5+ years of experience in developing and automating test cases.
• Experience with UNIX or Linux client-server applications.
• Understanding of telecommunication protocols such as SIP and SS7.

Responsibilities

• Develop and execute test strategies for telephony applications.
• Create and maintain automated regression test suites.
• Collaborate within a scrum team in an agile setup.
• Write scripts in Python, Perl, or UNIX for automation.

Skills

Test automation

SIP and SS7 protocols

Python scripting

RestAPI testing

UNIX/Linux experience

Agile methodologies

Defect management tools (JIRA)

Education

BS/MS degree in Computer Science or related field

Tools

Jenkins

GIT/SVN

Job description

Overview

Looking for a candidate with strong technical skills to develop and execute test strategies for telecom related programs. The QA engineer will be responsible for working with other scrum team members to help develop, execute and automate test cases based on a published set of technical requirements. The candidate preferably has an understanding of the telecommunications domain and can work as part of a high performing scrum team in a fast‑paced agile environment.

Responsibilities

• Develops and executes test strategies/scenarios for telephony network applications/infrastructure.
• Develops and maintains automated regression test suites.
• Works as part of a scrum team in an agile environment.
• Works with operations to ensure smooth software deployments in production.
• Possesses the ability to work with minimal supervision and/or independently.
• Utilizes experience and judgment to plan and accomplish goals.
• Writes or modifies scripts in Python, Perl or UNIX to automate repetitive tests.
• Creates tests and defect reports using the team standards and best practices.

Experience Required

• 5+ years overall test experience developing and automating test cases.
• Minimum 5 years software testing experience of UNIX or Linux client server applications, including testing application installation/configuration, troubleshooting and load/performance.
• Experience in SIP, SS7 (ISUP), TCAP and/or ENUM protocols.
• Experience writing UNIX shell, Perl or Python scripts.
• Experience in RestAPI testing.
• Experience with software version control such as GIT and/or SVN.
• Ability to create high level and detailed test plans and test reports.
• Thorough understanding of test processes and ability to estimate task duration.

Excellent written and verbal communication skills.

Experience Desired

• Experience in a telecommunications environment focusing on VoIP.
• Experience in protocol testing tools such as MGTS, SIPP.
• Experience in RestAPI testing.
• Experience with build integration tools such as Jenkins.
• Experience with code coverage tools.
• Experience with defect and agile management tools such as JIRA.

Education

• BS/MS degree in Computer Science or related field.

TNS is an equal opportunity employer. TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic.