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Voice Test and Automation Engineer
Job Location:
Monthly Salary:
Posted:
21 May 2026 (30+ days ago)
Posted:
Application Deadline:
18 August 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
The Calix platform enables Communication Service Providers (CSPs) of all sizes to transform and future-proof their businesses. Through real-time data automation and actionable insights delivered viaCalix One our cloud-first AI-powered platform CSPs can simplify operations collapse cost and accelerate innovation. Calix One brings together the automation of everything and the experience of one empowering customers to deliver differentiated subscriber experiences while driving acquisition loyalty and revenue growth. This is the Calix mission: to enable CSPs of all sizes to simplify innovate and grow strengthening both their businesses and the communities they serve.
Were at the forefront of a once in a generational change in the broadband industry. Join us as we innovate help our customers reach their potential and connect underserved communities with unrivaled digital experiences.
Were at the forefront of a once in a generational change in the broadband industry. Join us as we innovate help our customers reach their potential and connect underserved communities with unrivaled digital experiences.
We are looking for a detail-orientedAutomationVoice 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.
- Contributes to continuous improvement of test processes and tools.
Voice-Specific Technologies & Responsibilities:
- Manual & Automated Testing of SIP MGCP H.248: Validate voice protocol implementations on ONTs OLTs and modems.
- IPTV (IGMP) SS7 DOCSIS: Testinglegacy telephony and cable modem technologies.
- Test Automation Frameworks: Develop and maintain test scripts using Python Robot Framework and Abacus scripting.
- Test Equipment: Use tools like Ameritec FortissimoAbacusSpirent Test Center and Wireshark.
- Release Planning & Test Documentation: Write test plans and execute test cases.
- Field Simulation & Debugging: Reproduce customer-reported issues in lab environments.
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 BambooAbacusAmeritec 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.
- Bachelors degree in Telecommunications Computer Science or related field.
Required Experience:
IC
About Company
Calix is a leading provider of cloud and software platforms, systems, and services for internet service providers. Partner with Calix and grow your business.
