Job Summary
Zinkworks is seeking a highly skilled IMS QA Test Engineer to join our dynamic team. The ideal candidate will have extensive experience in IMS feature & functionality testing, SIP protocol validation, and test automation. This role requires expertise in IMS call flows, VoIP, video calling, multimedia applications, and interoperability testing. If you have a passion for ensuring the highest quality in telecommunications services and possess strong test automation skills, we encourage you to apply.
Key Responsibilities
* IMS Architecture: Strong familiarity with the IMS ecosystem, including proficiency in testing IMS core network elements.
* IMS Services Testing: Extensive experience in IMS feature & functionality testing, including session management, registration, and media handling. In-depth understanding of IMS call flows & procedures with expertise in end-to-end testing of IMS services such as VoIP, video calling, and multimedia applications.
* Test Case Creation & Execution: Design, write, and execute feature & functional test cases for IMS services & SIP protocol.
* Interoperability Testing: Conduct interoperability tests between IMS and legacy systems such as PSTN to ensure seamless communication.
* SIP Protocol Testing: Advanced knowledge of SIP (Session Initiation Protocol) for signaling & session management. Troubleshoot and debug SIP messages & call flows, with the ability to design & execute SIP protocol test cases.
* Test Automation: Strong skills in automating test cases using tools such as Ansible, Terraform, and Puppet. Experience integrating test automation tools into CI/CD pipelines.
* Security & Compliance: Strong knowledge of security protocols & best practices for IMS & SIP, including experience in vulnerability assessment & penetration testing.
Required Skills & Experience
* 5+ years of experience in IMS (IP Multimedia Subsystems) testing & validation.
* Advanced expertise in IMS call flows (registration, session control, and media handling).
* Strong understanding of SIP message structures, methods, headers, and response codes.
* Proven ability to troubleshoot SIP signaling issues and optimize network performance.
* Proficiency in test automation frameworks with hands-on experience using Ansible, Terraform, and Puppet.
* Familiarity with CI/CD pipelines and automated testing integration.
* Experience working with Tier 1 telecommunications providers.
* Excellent problem-solving and analytical skills.
Preferred Qualifications
* Hands-on experience with cloud-based IMS testing solutions.
* Knowledge of telecom security compliance & risk management.
* Strong communication and collaboration abilities.
Why Join Zinkworks?
* Be part of a cutting-edge team specializing in IMS quality assurance & testing.
* Work with industry leaders in IMS, SIP, and 5G telecommunications.
* Competitive salary and benefits package.
* Opportunity for career growth and skill development in an innovative environment.
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