Principal DevOps Engineer (Azure & .NET Ecosystem)

Responsibilities

• Design, build, and support API integrations on Azure API Management (APIM)
• Develop and optimize policies in XML and C# expressions for authentication, token handling, caching, transformation, routing, rate limiting, and error handling
• Implement Infrastructure as Code (IaC) using Terraform to provision, manage, and maintain environments
• Deploy, configure, and operate cloud-native services, including Azure Functions, Web Apps, Container Apps, and AKS, applying containerization and Kubernetes orchestration best practices
• Manage and troubleshoot Azure DevOps self-hosted build and deployment agents across on-premises servers, VMSS, and Managed DevOps Pools (MDP), ensuring agent availability, connectivity, security, performance, and reliable pipeline execution
• Manage application deployments across Windows and Linux environments
• Design, implement, and maintain CI/CD pipelines in Azure DevOps
• Ensure security and compliance through OAuth 2.0, mutual TLS, SSL/TLS, RBAC, certificate management, and secure API design principles
• Lead complex technical investigations and root cause analysis across applications, APIs, infrastructure, CI/CD pipelines, and network layers, independently diagnosing issues spanning multiple systems using logs, traces, and metrics
• Troubleshoot end-to-end request flows across clients, WAF, API Management, networking components, and backend services using KQL, Log Analytics, Application Insights, and APIM tracing, and develop monitoring dashboards and proactive alerts

Languages

Required

• Strong practical experience using LLM-powered AI agents and AI-assisted development tools for code development, troubleshooting, log analysis, infrastructure automation, scripting, and technical investigations, with proficiency in prompt engineering
• Strong CI/CD expertise in Azure DevOps, including YAML pipelines, deployment automation, and infrastructure provisioning using Terraform
• Hands-on experience administering and troubleshooting Azure DevOps self-hosted agents, including on-premises agents, VMSS-based agents, and Managed DevOps Pools (MDP)
• Practical experience deploying, configuring, maintaining, and troubleshooting applications on Windows and Linux servers, including IIS, Nginx, and backend application hosting
• Minimum 1 year of hands-on experience in Azure API Management, including developing complex policies and C# policy expressions
• Hands-on experience with Azure Functions, Azure API Management, AKS/Container Apps, API gateways, Web Apps, and WAF
• Strong understanding of Microsoft Entra ID, OAuth 2.0, JWT, mutual TLS, TLS certificates, Azure RBAC, and Azure Key Vault
• Solid understanding of networking fundamentals, including DNS, HTTP/HTTPS, TCP/IP, TLS handshakes, proxies, load balancers, firewalls, and connectivity troubleshooting
• Familiarity with REST, SOAP, JSON, and XML, including SPA consumption patterns and CORS considerations
• Proven .NET development background with experience building, integrating, and troubleshooting APIs and cloud applications, including supporting production environments, handling incidents, performing root cause analysis (RCA), and implementing preventive improvements

Nice to have

• Excellent analytical, investigation, and problem-solving skills, with proven experience in systematic troubleshooting, including log analysis, request tracing, network diagnostics, performance analysis, and correlation of events across distributed systems

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