**Job Description:** **Key Responsibilities:** + Design, develop, and certify 4G LTE and 5G SA core network solutions. + Perform in-depth analysis and troubleshooting of RAN eNB, gNB Option-3x, SA, MME, AMF, NRF, and 5G core network components. + Develop and execute comprehensive test suites and Test Object lists aligned with design requirements. + Automate test cases to enhance efficiency and reliability of network validation processes. + Author detailed Method of Procedures (MOPs) and Implementation guides as part of Lab exit artifacts. + Stay current with new technologies and industry trends, applying this knowledge to improve network solutions. + Collaborate with cross-functional teams to ensure seamless integration and deployment of network solutions. + Provide technical guidance and mentorship to junior engineers as needed. **Qualifications:** + Bachelor's or Master's degree in Electrical Engineering, Telecommunications, Computer Science, or a related field. + Minimum of 5 years of experience in wireless telecommunications with a focus on 4G LTE and 5G SA core networks. + Proven expertise in RAN eNB, gNB Option-3x, SA, MME, AMF, NRF, and 5G core design. + Strong understanding of 3GPP call flows and network protocols. + Proficiency in developing and automating test cases and test suites. + Experience with automation frameworks and scripting languages (e.g., Python, Ansible). + Excellent problem-solving skills and the ability to work independently with minimal guidance. + Strong written and verbal communication skills, with the ability to create detailed technical documentation. + A proactive approach to learning new technologies and staying updated with industry advancements. **Preferred Skills:** + Experience with cloud-native technologies and virtualization (e.g., Kubernetes, Docker). + Familiarity with network simulation and emulation tools. + Knowledge of network security principles and best practices. + Certification in relevant technologies (e.g., Cisco, Nokia, Ericsson) is a plus **Weekly Hours:** 40 **Time Type:** Regular **Location:** Bangalore, Karnataka, India It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. AT&T will consider for employment qualified applicants in a manner consistent with the requirements of federal, state and local laws We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status