This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.

At AT&T, we're modernizing enterprise technology platforms through cloud transformation, automation, and DevOps excellence. We're seeking a Principal Systems Engineer (Azure Cloud & DevOps Platform Engineer) to lead Azure infrastructure engineering, cloud migration initiatives, platform automation, and application modernization efforts supporting critical enterprise systems.

What You'll Do

• Lead architecture, automation, and operational support for Azure-based infrastructure and platform services.
• Drive migration and modernization of legacy applications and infrastructure to Azure.
• Design and implement CI/CD pipelines, Infrastructure-as-Code, and deployment automation.
• Support enterprise data platforms including Snowflake and Databricks.
• Partner across engineering, security, architecture, and operations teams to deliver secure, scalable, and reliable solutions.
• Implement cloud-native architectures leveraging containers, Kubernetes, APIs, and microservices.
• Establish monitoring, logging, performance, and reliability practices across cloud and hybrid environments.
• Lead production support, troubleshooting, incident response, and platform standardization initiatives.
• Mentor engineers on DevOps, automation, cloud engineering, and operational excellence.

What You'll Need

• Deep expertise with Microsoft Azure, including IaaS, PaaS, networking, storage, identity, and governance.
• Experience leading cloud migration and application modernization programs.
• Strong knowledge of CI/CD tools such as Azure DevOps, Jenkins, or GitHub Actions.
• Hands-on experience with Terraform, ARM, Bicep, Helm, or related IaC technologies.
• Experience with Docker, Kubernetes, AKS, and container-based deployments.
• Scripting and automation skills using PowerShell, Python, or Bash.
• Understanding of hybrid cloud architectures, enterprise security, IAM, and platform governance.
• Experience supporting production environments, monitoring, incident management, and operational reliability.

What You'll Bring

• 8+ years of experience in cloud engineering, DevOps, platform engineering, infrastructure, or systems architecture.
• Proven success leading enterprise Azure transformation, modernization, or platform engineering initiatives.
• Experience supporting large-scale, business-critical applications and services.
• Strong leadership, mentoring, communication, and collaboration skills.
• Experience with Snowflake, Databricks, Terraform, Kubernetes, Azure DevOps, and related cloud technologies.
• Ability to influence architecture, operational strategy, and engineering best practices across teams.

Preferred Qualifications

• Azure certifications (Azure Solutions Architect, Azure DevOps Engineer, Azure Administrator, etc.).
• Experience with Snowflake and Databricks administration in Azure.
• Background in large-scale Agile/SAFe environments.
• Experience introducing automation, developer productivity improvements, or AI-assisted engineering tools.
• Telecom or large enterprise technology experience preferred.

This role is ideal for a technical leader passionate about Azure cloud transformation, DevOps automation, application modernization, and building highly reliable enterprise platforms at scale.