Job Description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Senior Platform EngineerSenior Platform Engineer (DevOps / Chef Automation)

The Senior Platform Engineer is a hands-on technical leader responsible for designing, building, and maintaining‑ automation frameworks and platform services that support large‑scale hybrid infrastructure environments. This role focuses on engineering reusable automation patterns using Chef, Infrastructure as‑ Code, and DevOps tooling to deliver consistent, secure, and self‑ service‑ infrastructure capabilities. The ideal candidate brings strong DevOps engineering experience, deep knowledge of Chef (Infra, Habitat, or Automate), and a passion for building scalable automation systems, not performing manual operations.

Key Responsibilities
Design, develop, and maintain Chef cookbooks, recipes, roles, and policyfiles to automate configuration management across cloud and prem‑ environments.
Build and maintain Chef Automate or equivalent orchestration pipelines for compliance, reporting, and fleet management.
Engineer reusable automation frameworks, including shared libraries, templates, and patterns for consistent infrastructure provisioning.
Integrate Chef automation with CI/CD pipelines, secrets management, artifact repositories, and enterprise governance controls.
Implement automated testing and validation for Chef code using tools such as Test Kitchen, InSpec, and ChefSpec.
Collaborate with cloud, platform, and security teams to define and enforce configuration baselines, compliance policies, and hardened system standards.
Support the design and implementation of Infrastructure as‑ ‑Code (Terraform, CloudFormation, ARM/Bicep) for provisioning compute, network, and platform services.
Troubleshoot complex automation, configuration, and infrastructure issues across hybrid environments.
Contribute to platform engineering initiatives such as self-service catalogs, GitOps‑ workflows, and automated remediation.
Document automation patterns, architectural decisions, and operational runbooks.

Required Qualifications
5–8+ years of experience in DevOps, platform engineering, infrastructure automation, or configuration management roles.
Strong hands-on‑ experience with Chef Infra, including cookbook development, policy files, Test Kitchen, and InSpec.
Experience managing large‑scale configuration management environments (Chef Server, Chef Automate, or similar).
Solid understanding of Linux systems administration, OS hardening, and configuration of lifecycle management.
Experience with cloud platforms (AWS, Azure, or GCP) and on‑prem virtualization (VMware, Hyper‑V).
Strong scripting or programming skills (Ruby preferred for Chef, plus Python, Bash, or PowerShell).
Experience with CI/CD tooling such as GitHub Actions, GitLab, Jenkins, or Azure DevOps.
Strong understanding of Git workflows, branching strategies, and code review practices.
Ability to troubleshoot complex automation and infrastructure issues across hybrid environments.

Preferred Qualifications
Experience with Chef Habitat or application-level‑ automation.
Experience with Chef Automate for compliance, reporting, and fleet orchestration.
Familiarity with Terraform or other IaC tools for provisioning infrastructure.
Experience with policy‑as‑code tools (OPA, Conftest, Sentinel).
Background in security hardening, compliance frameworks, or CIS benchmarks.
Exposure to Kubernetes, Helm, or container orchestration.
Experience with monitoring and observability platforms (Prometheus, Datadog, Splunk, ELK).
Knowledge of network automation or infrastructure APIs.

Core Technical Skills (Competency Areas)
Configuration Management
Chef Infra (cookbooks, recipes, policy files)
Chef Automate, InSpec, Test Kitchen
Ruby development for automation

Infrastructure as‑ ‑Code & Provisioning
Terraform, CloudFormation, ARM/Bicep (preferred but not required)
Hybrid cloud provisioning (AWS, Azure, GCP)
VMware and on‑prem infrastructure automation

DevOps & CI/CD
Pipeline design and automation
Automated testing, linting, and security scanning
Git workflows and version control best practices

Automation & Scripting
Ruby, Python, Bash, PowerShell
API integration and automation tooling

Platform Engineering
Self-service‑ automation
Secrets management

Configuration baselines and compliance automation
Observability and operational tooling
Role Scope & Collaboration
Works within a platform engineering or DevOps organization to build automation capabilities used across the enterprise.
Collaborates closely with:
Cloud engineering
Security and compliance teams
SRE and operations
Application development teams
Architecture and governance groups
Acts as a subject matter‑ expert for Chef automation, configuration management, and DevOps tooling.
Contributes to engineering standards, reusable patterns, and platform roadmaps.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard’s security policies and practices;

• Ensure the confidentiality and integrity of the information being accessed;

• Report any suspected information security violation or breach, and

• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.