Release Train Engineer, Azure Infrastructure, AKS

3Core Systems, Inc

. Provision and manage Azure infrastructure, including AKS, Azure Container Registry, VNets, subnets, NSGs, Key Vault, and storage accounts .

Posted 10/22/2026contractChicago • Illinois • United StatesSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in managing Azure infrastructure, including AKS, CI/CD pipeline engineering, and Infrastructure as Code using Terraform. Demonstrates expertise in containerization with Docker and Kubernetes, along with strong troubleshooting and monitoring capabilities.

Highest-signal resume keywords

Azure Infrastructure ManagementKubernetes Deployment and ConfigurationCI/CD Pipeline EngineeringInfrastructure as Code with TerraformContainerization with Docker and Helm

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Azure Kubernetes Service (AKS)CI/CD PipelinesTerraformDockerKubernetesAzure CLIPowerShellBashCosmos DBYAML

Soft Skills

Clear CommunicationCollaborationOwnership

Tools & Technologies

Azure DevOpsGitHub ActionsAzure MonitorLog AnalyticsApplication InsightsAzure API Management

Certifications & Qualifications

Release Train Engineer (RTE) Certified

Industry Keywords

DevOpsAgileContinuous Delivery PipelineNetworkingSecurityMonitoring

Tech Stack

Tools & technologies

AzureDNSDockerGrafanaKubernetesLinuxNode.jsPrometheusPythonTerraformVault

About the role

Key responsibilities & impact

Provision and manage Azure infrastructure, including AKS, Azure Container Registry, VNets, subnets, NSGs, Key Vault, and storage accounts
Build and maintain CI/CD pipelines in Azure DevOps or GitHub Actions for builds, testing, image publishing, and deployments
Deploy and support containerized API services on Azure Kubernetes Service
Configure Kubernetes deployments, services, ingress, health probes, resource requests/limits, and environment-specific settings
Execute production releases, validate service health, and maintain rollback procedures and release runbooks
Configure and operate Cosmos DB databases, including containers, indexes, RU allocation, and data copying
Configure secure API connectivity including DNS, TLS certificates, load balancing, private endpoints, and Azure API Management integration
Implement least-privilege access, managed identities, workload identity, RBAC, and Azure Key Vault secrets management
Integrate automated tests, image scanning, security checks, and approval gates into deployment pipelines
Implement monitoring, logging, dashboards, and alerts using Azure Monitor, Log Analytics, and Application Insights
Troubleshoot failed deployments, pod/container issues, networking, authentication, and API performance problems
Maintain environment consistency, deployment documentation, and change records
Partner with developers, architects, security, platform teams, Agile PMO, and delivery leadership
Improve deployment reliability, recovery time, resource utilization, and Azure costs through automation and operational improvements
Improve value flow through DevOps, Release on Demand, and Continuous Delivery Pipeline practices
Automate infrastructure and operational tasks using Azure CLI, PowerShell, or Bash
Develop and maintain Terraform infrastructure as code using version-controlled configurations and reusable modules
Configure AKS clusters, including node pools, scaling, upgrades, resource quotas, and workload availability
Containerize API services with Docker and deploy them to AKS using Kubernetes manifests and Helm charts

Requirements

What you’ll need

Bachelor’s Degree required
10 years of experience with Azure Infrastructure and AKS
10 years of experience with Kubernetes, Docker and Helm
10 years of experience with CI/CD Pipeline Engineering
10 years of experience with Infrastructure as Code & Scripting
10 years of experience with Networking, Security & Monitoring
Release Train Engineer (RTE) Certified
Hands-on experience provisioning, configuring, and troubleshooting Azure infrastructure
Experience with Azure networking, identity, Key Vault, storage, and Azure Container Registry
Experience with AKS, virtual networks, subnets, network security groups, and storage accounts
Experience deploying and supporting containerized API services on AKS
Proficiency with Docker, Kubernetes, Helm, and kubectl
Experience configuring Kubernetes deployments, services, ingress, health probes, resource requests/limits, and environment-specific settings
Experience with YAML-based CI/CD pipelines in Azure DevOps or GitHub Actions
Experience with automated testing, artifact management, environment promotion, and rollback
Experience integrating automated tests, container image scanning, security checks, and approval gates
Scripting proficiency in PowerShell, Bash, or Python
Experience with Azure CLI automation
Experience with Terraform or Bicep for Infrastructure as Code
Experience with Git-based version control
Knowledge of Linux, HTTP/REST APIs, DNS, TLS, ingress, and load balancing
Experience with access controls, secrets management, Azure Key Vault, least-privilege access, managed identities, workload identity, and RBAC
Experience with secure API connectivity, TLS certificates, private endpoints, and Azure API Management integration
Experience with production monitoring, incident troubleshooting, and controlled releases
Experience with Azure Monitor, Log Analytics, and Application Insights
Experience creating dashboards and actionable alerts
Experience with root-cause resolution across application and infrastructure layers
Experience with tested rollback procedures and release runbooks
Experience with Cosmos DB container creation, index maintenance, RU allocation, and data copying
Knowledge of Agile/SAFe, value stream improvement, DevOps, Release on Demand, and Continuous Delivery Pipeline
Experience partnering with Agile PMO and delivery leadership for reporting and governance
Clear communication across engineering, security, and operations teams
Ownership of technical issues through resolution
Collaboration with developers, architects, security, and platform teams
Preferred: Azure administration, Azure DevOps, or Kubernetes certifications
Preferred: GitOps tools, progressive deployment strategies, Prometheus/Grafana, Azure API Management, private AKS networking, workload identity, DR planning/testing, and enterprise API/integration/data platform experience in financial services or regulated environments

Benefits

Comp & perks

Temp to Hire employment arrangement
Hybrid work model
3 times a week is mandatory
M-F, 8am - 5pm shift