Senior DevOps Engineer

Senior DevOps / Cloud Platform Engineer – ML & AI Infrastructure

Job Summary

We are looking for a Senior DevOps / Cloud Platform Engineer with strong experience in AWS, Kubernetes, CI/CD, infrastructure automation, and ML/AI infrastructure to design, deploy, manage, and optimize cloud infrastructure supporting our machine learning and AI services.

The ideal candidate will have hands-on experience with AWS EKS, SageMaker, Bedrock, Docker, Kubernetes, Terraform, Helm, GitHub Actions, Databricks, Elasticsearch, and self-hosted LLM deployments. This role will work closely with Data Engineering, Machine Learning, and Software Engineering teams to build reliable, scalable, secure, and cost-efficient platforms for ML services across development and production environments.

In this role you will...

Key Responsibilities

AWS & Kubernetes Infrastructure

• Design, deploy, and administer AWS infrastructure supporting ML and AI workloads.
• Manage Amazon EKS clusters, including cluster provisioning, upgrades, scaling, networking, and troubleshooting.
• Work with AWS SageMaker, AWS Bedrock, EKS, ECS, and related AWS services.
• Configure and manage Kubernetes Ingress controllers such as NGINX and AWS ALB.
• Manage Cloudflare Tunnels, DNS, Cloudflare configuration, networking, and security.
• Troubleshoot application, networking, compute, and infrastructure issues across AWS and Kubernetes environments.
• Implement best practices for security, reliability, availability, and scalability.

CI/CD & Azure-to-AWS Migration

• Build and maintain CI/CD pipelines for ML and AI services.
• Develop and manage GitHub Actions and Azure DevOps pipelines using YAML.
• Migrate repositories and CI/CD workflows from Azure DevOps to GitHub/AWS.
• Automate build, test, containerization, deployment, and release processes.
• Establish deployment strategies across development, staging, and production environments.

ML Service Deployment

• Deploy and manage ML services across AWS EKS/ECS and SageMaker.
• Build and maintain Docker containers and Kubernetes deployments.
• Manage environment segregation and configuration across Dev, QA, and Production.
• Develop and maintain Kubernetes manifests and Helm charts.
• Troubleshoot ML service deployment, networking, scaling, and runtime issues.

App Runner to EKS Migration

• Lead migration of existing services from AWS App Runner to Amazon EKS.
• Containerize applications and develop Kubernetes manifests/Helm charts.
• Design appropriate Kubernetes architecture, networking, ingress, scaling, and deployment strategies.
• Ensure minimal service disruption during migration and establish operational best practices on EKS.

Self-Hosted LLM & AI Infrastructure

• Deploy and manage self-hosted Large Language Models and inference services.
• Work with model serving frameworks such as vLLM.
• Design containerized infrastructure for GPU-based model serving and inference.
• Manage model versions, deployments, configurations, and rollback strategies.
• Support migration of ML services from managed APIs/services to self-hosted models.
• Work with engineering teams on API integration and inference infrastructure.

Databricks Administration

• Administer Databricks workspaces, clusters, permissions, and access controls.
• Manage cluster configuration, policies, and resource utilization.
• Support LMI Insights and related ML/AI workloads.
• Troubleshoot Databricks infrastructure and connectivity issues.
• Implement appropriate security and access-control practices.

Elasticsearch Infrastructure

• Design, deploy, and manage Elasticsearch clusters.
• Perform cluster sizing, scaling, configuration, and performance optimization.
• Manage indices, mappings, retention, and data lifecycle requirements.
• Support Kibana configuration, dashboards, and troubleshooting.
• Monitor Elasticsearch health, capacity, and performance.

Monitoring, Reliability & Auto-Scaling

• Implement monitoring and observability for Kubernetes, AWS, and ML services.
• Use Prometheus, Grafana, and AWS CloudWatch for monitoring and alerting.
• Configure Kubernetes HPA/VPA and other auto-scaling mechanisms.
• Establish proactive alerting for infrastructure and application health.
• Perform capacity planning and resource optimization.
• Identify opportunities for AWS infrastructure and compute cost optimization.

Infrastructure as Code & Automation

• Build and maintain infrastructure using Terraform.
• Develop reusable Terraform modules for AWS and Kubernetes infrastructure.
• Manage Kubernetes deployments using Helm charts.
• Automate infrastructure provisioning, configuration, deployments, and operational tasks.
• Maintain infrastructure documentation and deployment standards.

Cross-Team Collaboration

• Partner closely with Data Engineering, ML Engineering, Data Science, and Software Engineering teams.
• Understand data pipelines, SQL, APIs, and ML service architecture sufficiently to troubleshoot end-to-end workflows.
• Coordinate infrastructure requirements for new ML models and services.
• Participate in production incident resolution, root-cause analysis, and continuous improvement.
• Establish engineering standards around deployment, monitoring, security, and operational ownership.

You've got what it takes if you have...

Required Skills & Experience

• 5+ years of experience in DevOps, Cloud Infrastructure, SRE, or Platform Engineering.
• Strong hands-on experience with AWS.
• Strong experience administering Amazon EKS and Kubernetes in production.
• Hands-on experience with:
  • AWS EKS
  • AWS SageMaker
  • AWS Bedrock
  • AWS ECS
  • AWS App Runner
  • Kubernetes
  • Docker
  • NGINX / AWS ALB Ingress
  • Cloudflare / Cloudflare Tunnels
• Strong experience with Terraform and Helm.
• Strong experience developing CI/CD pipelines using GitHub Actions and/or Azure DevOps.
• Strong YAML scripting and Git experience.
• Experience migrating CI/CD pipelines and repositories from Azure to AWS/GitHub.
• Experience deploying and operating ML/AI services.
• Experience with self-hosted LLM/model serving, preferably vLLM.
• Experience with GPU-based workloads is highly desirable.
• Experience with Databricks administration.
• Experience managing Elasticsearch and Kibana.
• Experience with Prometheus, Grafana, and CloudWatch.
• Strong understanding of Kubernetes HPA/VPA, networking, ingress, DNS, and service discovery.
• Strong understanding of cloud networking fundamentals.
• Experience with production troubleshooting, monitoring, capacity planning, and cost optimization.
• Strong understanding of security, IAM, secrets management, and access control.

Preferred / Nice-to-Have Skills

• Experience supporting Generative AI / LLM platforms.
• Experience with GPU infrastructure and NVIDIA/CUDA environments.
• Experience with model lifecycle and model version management.
• Experience migrating workloads between managed cloud services and Kubernetes.
• Experience with AWS networking such as VPC, load balancers, security groups, and Route 53.
• Experience with API gateways and microservice architectures.
• Experience with Python or shell scripting for infrastructure automation.
• Experience working with Data Engineering and ML teams in a production environment.

What You'll Own

• AWS ML/AI infrastructure
• EKS cluster administration and upgrades
• ML service deployment and production operations
• CI/CD automation
• App Runner → EKS migration
• Self-hosted LLM infrastructure and vLLM
• Databricks platform administration
• Elasticsearch infrastructure
• Monitoring and auto-scaling
• Terraform and Helm-based infrastructure automation
• Cloud cost, reliability, and performance optimization

Ideal Candidate

The ideal candidate is a hands-on infrastructure engineer who can independently take an ML/AI service from containerization → CI/CD → AWS infrastructure → EKS deployment → monitoring → scaling → production support.

They should be comfortable working across both traditional DevOps infrastructure and modern AI/ML infrastructure, and should be able to collaborate closely with Data Engineering and ML teams while taking ownership of the underlying platform.

#LI-Onsite

Our Culture:

Spark Greatness. Shatter Boundaries. Share Success. Are you ready? Because here, right now – is where the future of work is happening. Where curious disruptors and change innovators like you are helping communities and customers enable everyone – anywhere – to learn, grow and advance. To be better tomorrow than they are today.  

Who We Are:

At Cornerstone, we believe in AI that works in the service of people, amplifying their judgment to drive high-performing, future-ready organizations forward. Cornerstone Workforce AI™, the intelligence platform for workforce readiness, brings together workforce and labor market data into a proprietary Cornerstone People Graph™, translating signals into intelligence, targeting learning where it matters, developing critical skills, and surfacing hidden talent. Delivered as an open, enterprise platform across whatever application your people work in every day, Cornerstone Workforce AI is built for scale, security, and trust, with certified AI guardrails. As an industry leader, Cornerstone is helping approximately 7,000 organizations, 140M+ users, across 186 countries build continuous workforce readiness.

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