Specialist System Engineering - Mobile Packet Core Certification Automation Engineer

AT&T; Bengaluru; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

AT&T in Bengaluru seeks an Automation Engineer to develop 3GPP 5G SA Core expertise and drive its lab certification while collaborating with U.S. stakeholders. The role emphasizes automation, scripting in Python, and cloud-based pipelines.

You will plan in sprints, design automation solutions, and work with Jira to track progress. Daily collaboration across teams ensures high-quality deliverables in a fast-paced environment.

Qualifications

• Bachelor’s degree in a technical field.
• Expert-level experience with 3GPP Mobile Packet Core and 5G SA call flows.
• Hands-on experience with TCP/IP, HTTP2, UDP/QUIC, SSL/TLS.
• Strong Linux, NAT/PAT, and routing knowledge.
• Expert experience with Azure, ADO pipelines, YAML, and ARM/Bicep.
• Proficiency in Python and RegEx (3+ years).
• 3+ years in Kubernetes, Azure, CI/CD.
• Strong analytical and communication skills.
• Experience in Agile environments.

Responsibilities

• Develop expertise in 3GPP 5G SA Core and lab certification.
• Participate in Sprint Planning and design discussions to meet automation goals.
• Utilize Jira to track requirements, design, and deliveries of the project.
• Advocate for ANT platform in lab and production environments.
• Improve team productivity by proposing tools or processes.
• Collaborate with platform testers and infra teams to troubleshoot automation.
• Script lifecycle management from development to deployment, updates, defects.
• Create E2 test cases and CLI health checks using ANT.

Skills

3GPP Mobile Core

5G SA Core

TCP/IP

Linux & NAT/PAT

Azure DevOps

Azure CLI

ARM/Bicep

Python

Regular Expressions

Kubernetes

CI/CD

Agile

Communication

Education

Bachelor’s degree in Computer Science / Engineering / Telecommunications

Tools

Azure DevOps (ADO)

Azure CLI

ARM Templates / Bicep

GitHub

Job description

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-integrated validation practices.
• Strong interest in learning and adopting new tools and technologies.
• Demonstrated intercultural communication skills and ability to work effectively across global teams.
• Experience working in fast-paced, cross-functional engineering environments supporting large-scale telecom systems.
• Agentic AI software development and triage.
• Telemetry for Fault/Performance Monitoring and tracing.

Additional Job Information

This is an offshore role that requires daily collaboration with U.S. stakeholders, including overlapping work hours to ensure effective partnership and meet business needs.

Weekly Hours: 40

Time Type: Regular

Location: IND:KA:Bangalore / Intl Tech Park, Navigator Bldg, Whitefield Road: Intl Tech Park, Navigator Bldg,Intl Tech Park, Navigator Bldg

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