Jobs / India / AT&T Services INC
Specialist System Engineering - Mobile Packet Core Certification Automation Engineer
AT&T Services INC · 🌍 IND:KA:Bangalore / Intl Tech Park, Navigator Bldg, Whitefield Road: Intl Tech Park, Navigator Bldg:Intl Tech Park, Navigator Bldg
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About the role
Job Responsibilities • Develop technical expertise with 3GPP 5G SA Core and actively drive our 24x7 lab certification objective . • Participate in Sprint Planning and design discussions with the development team to ensure that automation objectives are met. • Effectively utilize project management tools such as Jira to track requirements, design, and deliveries of the project. • Develop expertise in the Automated Network Testing (ANT) platform and become an advocate for its use in both a lab and production environment. • Improve productivity for the overall team by proposing tools or processes that optimize our quality and rate of delivery. • Understand the business objectives of our team, organization, business unit, and company. • Create End-to-End (E2) test cases and post-validation templates using ANT. • Create Command-Line-Interface (CLI) test case template health checks using ANT and regular expressions. • Collaborate with platform teams, testers and infrastructure teams to troubleshoot automation, tooling and mobility infrastructure networks. • Participate in script lifecycle management including development, delivery, deployment, updates , defect management. Job Qualifications / Required Qualifications • Bachelor’s degree in Computer Science , Engineering, Telecommunications, or a related technical field. • Expert-level experience with 3GPP Mobile Packet Core architecture, interfaces, and call flows , with specific focus on 5G SA NFs and call flow • Hands-on experience with TCP/IP, HTTP2, UDP/QUIC, SSL/TLS encryption , and related transport/networking fundamentals. • Strong understanding of Linux , firewall concepts (including NAT/PAT ), and networking/routing technologies such as Ethernet, VLAN, and BGP . • Expert-level experience troubleshooting mobility infrastructure and services in telecom environments. • Strong hands-on experience with Azure and Azure DevOps (ADO) , including: • building ADO pipelines from the ground up , especially YAML-based pipelines • using Azure CLI ( az cli) commands within ADO pipelines to interact with Azure resources • understanding the role and limitations of ADO agents • working with ADO Repos , including branching and tagging strategies across environments • Understanding of Azure Key Vault , Azure Resource Manager (ARM) , including endpoints and service principals . • Experience with Bicep and ARM templates for Azure resource deployment, with emphasis on parameterized infrastructure definitions . • Experience with Azure Operator Service Manager (AOSM) . • Proficiency in Python development . • 3+ years of experience with Regular Expressions ( RegEx ) . • 3+ years of experience with Kubernetes, Azure, Azure DevOps, and CI/CD . • Hands-on experience developing and maintaining automation scripts using object-oriented programming principles . • Strong analytical, troubleshooting, and problem-solving skills. • Excellent written and verbal communication, collaboration, and reporting skills. • Ability to clearly articulate concepts, solutions, and standards to team members with varying levels of technical expertise . • Experience working in Agile environments, including testing methodologies and best practices. • Strong team-oriented mindset with the ability to collaborate effectively and deliver quality results on time. Preferred Qualifications • Experience with Robot Framework , Selenium , JavaScript , JSON , and YAML . • Working knowledge of telecom automation and cloud-native operational tooling. • Experience maintaining code or project artifacts in GitHub or similar source control platforms; public portfolio is a plus. • Exposure to test automation frameworks and CI/CD-integrat