Lead DevOps Engineer (Azure & .NET Ecosystem)

EPAM Systems; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

EPAM Systems Inc. in the United States seeks a seasoned Lead DevOps Engineer to design, automate, and stabilize our Azure-based cloud platforms and API ecosystems. You will drive CI/CD, infrastructure as code, and reliability initiatives across distributed systems.

You will lead complex investigations, implement AI-assisted engineering tools, and ensure secure, scalable deployments of Windows and Linux services, APIs, and containerized workloads.

Qualifications

• 5+ years in DevOps with leadership experience.
• Hands-on Azure API Management and complex policy authoring.
• Strong .NET/API development background with cloud apps.
• Proficient in troubleshooting across distributed systems.
• Experience with AI-assisted development tools and LLM agents.
• CI/CD expertise with YAML pipelines and Terraform.
• Ability to deploy and manage Windows and Linux servers (IIS, Nginx).
• Familiarity with Azure Functions, AKS, Web Apps, and WAF.
• Excellent written and spoken English.

Responsibilities

• Design, build, and support API integrations on Azure API Management.
• Develop and optimize policies (XML and C#) for authentication and routing.
• Implement IaC with Terraform to provision environments.
• Deploy and operate Azure-native services including Functions, Web Apps, Container Apps, AKS.
• Manage Azure DevOps self-hosted agents across on-premises and cloud.
• Oversee deployments across Windows and Linux, configuring hosting with IIS/Nginx.
• Design and maintain CI/CD pipelines in Azure DevOps; ensure security practices.
• Lead investigations and RCA across applications, APIs, infra, and networks.
• Apply LLM-powered AI agents to accelerate tasks while maintaining security.
• Align API design with SPA front-ends and ensure robust monitoring dashboards.

Skills

Lead DevOps

Azure expertise

API management

Troubleshooting

AI-assisted tools

CI/CD practices

Monitoring & diagnostics

Networking fundamentals

English communication

Tools

Terraform

Azure DevOps

Kubernetes / AKS

Nginx / IIS

APIM

Application Insights

Log Analytics

Azure Key Vault

VMSS

Job description

We are looking for a seasoned Lead DevOps Engineer with strong expertise in the Azure and .NET ecosystem to lead the design, automation, and reliability of our cloud infrastructure and API platforms. In this position, you will guide complex technical investigations, construct robust CI/CD pipelines, and apply AI-assisted engineering tools to improve operational efficiency across distributed systems.

Responsibilities

Design, build, and support API integrations on Azure API Management (APIM) Develop and optimize policies (XML and C# expressions) for authentication, token handling, caching, transformation, routing, rate limiting, and error handling Implement Infrastructure as Code (IaC) with 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, Azure Virtual Machine Scale Sets (VMSS), and Managed DevOps Pools (MDP), ensuring agent availability, connectivity, security, performance, and reliable pipeline execution Oversee application deployments across Windows and Linux environments, including on-premises infrastructure; configure, maintain, and troubleshoot backend and frontend application hosting with IIS, Nginx, and other relevant web/application servers Design, implement, and maintain CI/CD pipelines in Azure DevOps Ensure security and compliance by applying 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 with logs, traces, metrics, and systematic troubleshooting techniques Troubleshoot end-to-end request flows across clients, WAF, API Management, networking components, and backend services with KQL, Log Analytics, Application Insights, APIM tracing, and request correlation; build monitoring dashboards and proactive alerts Investigate and resolve production incidents, including intermittent failures, performance degradation, connectivity issues, deployment failures, and authentication problems Apply LLM-powered AI agents and AI-assisted engineering tools to accelerate development, automate repetitive tasks, support complex technical investigations, and improve operational efficiency while ensuring accuracy and security Align API design with SPA consumers such as Angular and React, accounting for CORS, authentication flows, and integration patterns

Requirements

5+ years of experience in DevOps or related roles, including at least 1 year in a leadership capacity Hands-on experience with Azure API Management, including authoring complex policies and C# policy expressions Background in .NET development with proven experience building, integrating, and troubleshooting APIs and cloud applications Expertise in systematic troubleshooting, including log analysis, request tracing, network diagnostics, performance analysis, issue reproduction, and correlation of events across distributed systems Proficiency in applying LLM-powered AI agents and AI-assisted development tools for code development, troubleshooting, log analysis, infrastructure automation, scripting, and technical investigations, including prompt engineering Skills in CI/CD with Azure DevOps, including YAML pipelines, deployment automation, and infrastructure provisioning via Terraform Hands-on experience administering and troubleshooting Azure DevOps self-hosted agents, including on-premises agents, VMSS-based agents, and Managed DevOps Pools (MDP) Capability to deploy, configure, maintain, and troubleshoot applications on Windows and Linux servers, including IIS, Nginx, and backend application hosting Familiarity with Azure Functions, AKS/Container Apps, and Web Apps, API gateways, and WAF Understanding of Microsoft Entra ID, OAuth 2.0, and JWT, as well as mutually TLS, TLS certificates, Azure RBAC, and Azure Key Vault Competency in monitoring, diagnostics, and troubleshooting with Application Insights, Log Analytics, KQL, and distributed tracing Knowledge of networking fundamentals, including DNS, HTTP/HTTPS, and TCP/IP, along with TLS handshakes, proxies, load balancers, firewalls, and connectivity troubleshooting Knowledge of networking fundamentals

Qualifications

in REST, SOAP, JSON, and XML, including SPA consumption patterns and CORS considerations Showcase of supporting production environments, handling incidents, performing root cause analysis (RCA), and delivering preventive improvements Strong analytical, investigation, and problem-solving abilities Excellent written and spoken English (B2+ level) Nice to have Background in DevSecOps practices Familiarity with Azure AI Search capabilities Proficiency in PowerShell scripting for automation Understanding of Azure Networking and Kubernetes orchestration concepts