Lead Cloud SRE - AWS, Kubernetes & IaC

Mastercard; Dublin; On-site; EUR 120,000 - 180,000; Full time

Job summary

Mastercard is seeking a Lead Site Reliability Engineer to design, build, and scale a highly available AWS-based cloud infrastructure, spanning geo-diverse teams. You will drive Infrastructure as Code, improve security/posture, and mentor junior engineers while delivering reliable services for Identity Solutions.

Ideal candidates have strong Linux, Go/Python/Bash skills, hands-on Kubernetes (EKS), Terraform/Ansible, and CI/CD experience with Jenkins.

Qualifications

• BS degree in Computer Science or equivalent experience.
• Led / been a leader within a team and projects.
• Proficiency with AWS services (VPC, Direct Connect, ELB, Route 53, IAM).
• Experience with provisioning tools such as Ansible/Terraform.
• Experience with Jenkins or other CI/CD tools.
• Programming aptitude in Go, Python, and Bash.
• Knowledge of container orchestration (Kubernetes).

Responsibilities

• Be a team and highly accountable project leader in a geo-diverse team. Mentoring the more junior members and being an SME.
• Plan, design, build, and scale our infrastructure.
• Work with tools such as Jenkins, Ansible, Argo CD, Terraform, CloudFormation, Resource Manager and many more to ensure that our stack is well represented as Infrastructure as Code.
• Manage, design, and improve security and availability monitoring and processes for all services, ensure defined security policies are consistently implemented across all environments.
• Deploy and supervise workloads to cloud environments, proven experience with all of the core services within AWS including instance management, IAM configuration, Database, Caching and general support/troubleshooting.
• Have a deep understanding of the core components required to run Kubernetes (EKS) and be able to build a cluster from scratch or scale out if needed.
• Have perfected load balancing, service mesh and always looking for ways to improve availability, response time, and uptime.
• Maintain, and manage quality documentation for systems owned by the Infrastructure team.
• Design, build, and improve monitoring tools to identify and resolve issues before they happen. Mainly with Prometheus.
• Help and advise other teams, troubleshoot and solve failures and performance problems, participate in on-call rotations.
• Have a basic passion for working with Go, Python, Rust or even Bash to build custom tools and improve system integration. Take code ownership to the next level and act as an advocate for writing code that aligns with industry best practice.

Skills

Go

Python

Bash

Leadership

DevOps

Linux

Monitoring

Communication

Goog knowledge AWS

Education

BS in Computer Science

Tools

AWS

Terraform

Ansible

Kubernetes

Jenkins

Job description

Mastercard is seeking a Lead Site Reliability Engineer to design, build, and scale a highly available AWS-based cloud infrastructure, spanning geo-diverse teams. You will drive Infrastructure as Code, improve security/posture, and mentor junior engineers while delivering reliable services for Identity Solutions.

Ideal candidates have strong Linux, Go/Python/Bash skills, hands-on Kubernetes (EKS), Terraform/Ansible, and CI/CD experience with Jenkins.