Platform Engineer II

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
Platform Engineer II
Overview
Arcus Engineering team is looking for a Site Reliability Engineer to drive our customer experience strategy forward by consistently innovating and problem-solving. The ideal candidate is passionate about the customer experience journey, highly motivated, intellectually curious, analytical, and possesses an entrepreneurial mindset who supports the reliability, scalability, and performance of production systems. This candidate will work closely with engineering and operations teams to automate processes, monitor infrastructure, and respond to incidents. This role is ideal for someone with a strong foundation in systems and a passion for continuous improvement.
Role • Develops, builds, maintains and tests assigned technologies, including associated software and hardware• Resolves problems of moderate scopes as they arise, and provides high-level technical assistance to development programmers and customers to ensure proper performances• Assists in implementation, supports configuration, and ensures standards, process, and procedures are in place• Supports compliance posture which includes escalating potential concerns, and implementing both risk mitigation plans and control functions• Drafts and reviews status reports and performs implementation and troubleshooting activities, updating project plans as required• Supports business and process improvement initiatives, proactively sharing ideas that may impact team performance• May manage large project/initiatives as an experienced individual contributor with specialized knowledge within assigned discipline• Provides support to ensure optimal infrastructure or process performance• Identifies automation that can be used by initial responders for easily resolvable issues
All About You
The ideal candidate for this position should:• Assist in monitoring, alerting, and incident response for production systems.• Support automation of deployment, scaling, and recovery processes.• Collaborate with developers to improve system reliability and performance.• Document runbooks, procedures, and post-incident analyses.• Participate in on-call rotations with guidance from senior engineers.• Understands how containers are deployed and managed. Basic knowledge of containerization (Docker) and orchestration (Kubernetes) • Shows interest in automating infrastructure provisioning.Experience with Infrastructure as Code (e.g., Terraform, CloudFormation) • Understands basic principles of access control, encryption, and audit logging. Awareness of security and compliance best practices • Can clearly explain technical concepts and contribute to team knowledge bases. • Able to navigate, troubleshoot, and manage basic server operations. Intermediate proficiency in Linux systems administration• Capable of writing automation scripts for routine tasks and log parsing. Basic scripting skills (e.g., Python, Bash)• Familiar with core services like EC2, S3, IAM, and monitoring tools. Understanding of AWS cloud platform • Understands how code moves from development to production. Exposure to CI/CD pipelines and version control (e.g., Git, GitHub Actions)• Can interpret metrics and logs to identify system health issues. Familiarity with observability tools (e.g., Prometheus, Dynatrace, Grafana, CloudWatch)• Demonstrates logical thinking and persistence when resolving issues.
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.