Senior Cloud Platform Engineer — AWS, Kubernetes & DevOps

Mastercard; København; On-site; DKK 850,000 - 1,250,000; Full time

Job summary

Mastercard is seeking a Senior Platform Engineer to join the Global Open Banking team in Copenhagen. You will build and operate a multi-cloud platform across AWS and Azure, focusing on reliability, security, and scalable infrastructure.

The ideal candidate is hands-on and driven to grow in cloud engineering, platform automation, and modern infrastructure practices, collaborating with product teams to deliver cloud-native applications.

Qualifications

• 3–5 years hands-on experience in cloud engineering, DevOps, or platform engineering.
• Experience with AWS (preferred primary) and exposure to Azure services (VMs, networking, storage, AKS).
• Experience with Terraform (required) and modular infrastructure design and reusable components.
• Kubernetes experience with EKS, AKS, or similar.
• Proficiency in Python or Bash scripting.
• CI/CD experience with GitLab, GitHub Actions, or similar tools.
• Strong Linux systems knowledge and troubleshooting fundamentals.
• Security mindset with least privilege and audit readiness; exposure to PCI/SOC2 is a plus.

Responsibilities

• Build and support cloud infrastructure across AWS and Azure following secure-by-design and zero-trust principles.
• Develop, maintain, and improve infrastructure using Terraform and automation scripts.
• Assist in implementing new systems, tools, and frameworks to improve platform reliability and engineer productivity.
• Support build, maintenance, and upgrades across Dev, Stage, and Production environments.
• Work with logging, monitoring, and alerting tools to improve system visibility and reliability.
• Operate and support Kubernetes clusters (EKS, AKS, or similar) including scaling, upgrades, and troubleshooting.
• Partner with development teams to deploy and support cloud-native applications.
• Ensure infrastructure aligns with enterprise security standards (zero-trust, least privilege, audit readiness).
• Work with pipelines to enable automated and secure application delivery.
• Participate in on-call rotation to support platform stability.

Skills

Cloud engineering

DevOps

Python scripting

Linux

Tools

Terraform

Kubernetes

GitLab / GitHub Actions

AWS

Azure

Job description

Mastercard is seeking a Senior Platform Engineer to join the Global Open Banking team in Copenhagen. You will build and operate a multi-cloud platform across AWS and Azure, focusing on reliability, security, and scalable infrastructure.

The ideal candidate is hands-on and driven to grow in cloud engineering, platform automation, and modern infrastructure practices, collaborating with product teams to deliver cloud-native applications.