Platform Architect - HPC, Kubernetes

We are seeking a Platform Architect to support a customer that develops and manages several HPC clusters across AWS, CoreWeave, GCP and other providers, operating several thousand GPUs today and scaling 10x. This role is Kubernetes-heavy and requires strong software engineering skills, operating multi-cloud platform infrastructure where misconfigurations or failed upgrades cost thousands of GPU-hours.

Feel free to work remotely from anywhere across Lithuania or connect with colleagues at our Vilnius and Kaunas offices. Responsibilities

• Operate Kubernetes platforms (EKS, CKS, GKE) at significant scale, including cluster lifecycle, node pool management, networking policy, and stability during rapid growth
• Provision HPC infrastructure through CI/CD across AWS, CoreWeave, GCP and OCI, with more providers coming
• Management of job scheduling to allocate GPU compute across training and inference workloads
• Definition and maintenance of SLIs/SLOs, build monitoring and alerting, and participation in incident response and post-incident reviews
• Development of tooling and automation in production-quality code
• Coordination daily with the Networking, Storage, Security and AI/ML platform teams

Requirements

• 7+ years of experience in infrastructure engineering, cloud platforms or HPC
• Expertise in Kubernetes at meaningful scale, including node pool sizing, scheduler debugging, CNI troubleshooting, and rolling upgrades across large fleets
• Proficiency in Python for production-grade tools, not only scripts
• Proficiency in Terraform for writing and reviewing infrastructure as code daily
• Working knowledge of AWS (EC2, S3, EFS, FSx for Lustre)
• English proficiency at B2 level or higher

Nice to have

• Familiarity with Amazon Elastic Kubernetes Service, Google Kubernetes Engine, Google Cloud Platform
• Background in High-performance computing (HPC), Slurm, Lustre, Amazon FSx
• Skills in Go, Rust, C++
• Familiarity with CI/CD

We offer

• Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges for over 30 years
• Advanced Tech Stack: Innovative projects where you can apply or enhance your expertise in Cloud, Data, AI, and other emerging technologies
• World-Class Clients: Work closely with 340+ of the Forbes Global 2000 on creating disruptive solutions that make a global impact
• Professional Growth: Exceptional support for career development with comprehensive resources for upskilling or reskilling in pioneering practices
• GenAI Community: Strong AI competencies with 600+ experts across 55+ locations driving GenAI-enabled transformation journeys
• Entrepreneurial Culture: If you're passionate and dedicated to improving business transformation, we provide the support you need to bring your ideas to life
• Hybrid Setup: The flexibility to work from any location in Lithuania, whether it's your home or our dynamic offices in Vilnius and Kaunas
• Other Benefits: Additional vacation and trust days, private health insurance, Employee Stock Purchase Plan and more

Salary range €5.6K-€7.2K gross, based on your experience and interview results. EPAM is a leading global provider of digital platform engineering and development services. For over 30 years, our team has helped leading brands navigate the waves of digital transformation, building solutions that help them stay competitive through constant market disruption.With offices in 55+ countries, EPAM has grown in Lithuania to over 1,300+ talented innovators in just 5 years. We foster creativity and unconventional ways of doing things, welcoming like-minded professionals to join us.