Voice Test and Automation Engineer

Calix; Bengaluru; Hybrid; INR 1,200,000 - 1,800,000; Full time

Job summary

Calix is hiring an Automation Voice Test Engineer in Bengaluru, India. The role involves leading and executing both manual and automated testing of voice and data protocols, ensuring high-quality releases through thorough test plans and validation.

The ideal candidate will have significant experience in telecom features, familiarity with tools like Wireshark and Jira, and possess strong analytical skills. A Bachelor's degree in a related field and leadership experience are preferred.

Qualifications

• Minimum of 10 years of experience in Networking and Voice technology.
• Hands-on experience with Wireshark, Jira, Bamboo, Abacus, Ameritec, Spirent.
• Strong analytical and problem-solving skills.

Responsibilities

• Perform manual and/or automated testing of voice protocols.
• Develop and maintain test scripts.
• Write test cases and prepare test plans.
• Collaborate with development teams to debug issues.
• Contribute to continuous improvement of test processes.

Skills

Voice protocol testing: SIP, MGCP, H.248

Network protocols: IPTV (IGMP), SS7, DOCSIS

Wireshark

Jira

Agile/Scrum environments

Python

Robot Framework

Education

Bachelor's degree in Telecommunications, Computer Science, or related field

Tools

Ameritec Fortissimo

Spirent Test Center

Abacus

Wireshark

Job description

We are looking for a detail-oriented Automation Voice Test Engineer to lead and execute manual and automated testing of voice and data protocols. This role involves validating telecom features, writing test plans, and ensuring high-quality releases.

Key Responsibilities

• Perform manual and/or automated testing of voice protocols on ONTs, OLTs, and modems.
• Develop and maintain test scripts using Python, Robot Framework, or Abacus.
• Write test cases, prepare test plans, and execute regression and release testing.
• Debug and validate issues in collaboration with development teams.
• Contribute to continuous improvement of test processes and tools.
• Manual & Automated Testing of SIP, MGCP, H.248 and of legacy telephony and cable modem technologies (IPTV (IGMP), SS7, DOCSIS).
• Use test automation frameworks such as Python, Robot Framework, and Abacus scripting.
• Operate test equipment like Ameritec Fortissimo, Abacus, Spirent Test Center, and Wireshark.
• Reproduce customer-reported issues in lab environments.
• Write test plans and execute test cases, and plan releases.

Required Skills

• Experience in voice protocol testing: SIP, MGCP, H.248.
• Familiarity with IPTV (IGMP), SS7, DOCSIS, and network protocols.
• Hands‑on experience with Wireshark, Jira, Bamboo, Abacus, Ameritec, Spirent.
• Strong analytical and problem‑solving skills.
• Comfortable working in Agile/Scrum environments.
• Minimum 10 years of experience in Networking and Voice technology.

Preferred Qualifications

• ISTQB or equivalent testing certification.
• Leadership experience or interest in mentoring junior testers.
• Bachelor's degree in Telecommunications, Computer Science, or related field.