Senior DevOps & Cloud Reliability Engineer

Mastercard; Bray (OK); On-site; USD 140,000 - 190,000; Full time

Job summary

Mastercard is seeking a Lead Site Reliability Engineer to design, build, and maintain scalable AWS cloud infrastructure. You will lead a geo-diverse team, mentor juniors, and drive automation using Terraform, Ansible, and Jenkins.

The role emphasizes uptime, security, and fast delivery of services. Ideal candidates have deep Linux knowledge, strong Go/Python/Bash coding skills, and experience with Kubernetes, Prometheus, and cloud networking.

Qualifications

• Led or acted as a leader within a team and projects.
• Experience with provisioning tools such as Ansible/Chef/Terraform.
• Strong background in cloud infrastructure and DevOps practices.

Responsibilities

• Plan, design, and scale infrastructure across AWS environments.
• Develop and maintain Infrastructure as Code with Jenkins, Terraform, and CloudFormation.
• Improve security, monitoring, and availability for all services.
• Deploy workloads to cloud environments and manage AWS core services.
• Build and scale Kubernetes clusters (EKS) with reliability in mind.
• Create and improve monitoring with Prometheus and related tools.
• Provide on-call support and troubleshoot performance issues.
• Write code in Go, Python, or Bash to automate tasks and integrations.

Skills

Leadership experience

Team collaboration

English communication

Education

BS in Computer Science or equivalent

Tools

AWS

Terraform

Ansible

Jenkins

Go

Python

Bash

Kubernetes

Prometheus

Docker

VPC

Direct Connect

Job description

Mastercard is seeking a Lead Site Reliability Engineer to design, build, and maintain scalable AWS cloud infrastructure. You will lead a geo-diverse team, mentor juniors, and drive automation using Terraform, Ansible, and Jenkins.

The role emphasizes uptime, security, and fast delivery of services. Ideal candidates have deep Linux knowledge, strong Go/Python/Bash coding skills, and experience with Kubernetes, Prometheus, and cloud networking.