Job SummaryZinkworks 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.