Site Reliability Engineer I

Mastercard's Service Operations Technology (SOT) BizOps team is seeking a Site Reliability Engineer (SRE) to support and enhance enterprise infrastructure, asset management, automation, and operational platforms.

This role focuses on reliability, observability, automation, release management, and operational excellence across business-critical services. The ideal candidate will be passionate about understanding complex systems, automating repetitive work, and improving platform reliability.

Responsibilities

• Support the full service lifecycle from design and implementation through deployment, operation, and optimization.
• Serve as an operational owner for critical enterprise platforms, ensuring reliability, availability, performance, and scalability.
• Support production readiness reviews, launch assessments, capacity planning, and operational validation.
• Monitor, maintain, and troubleshoot services in production environments.
• Lead incident response, root cause analysis, and implementation of long-term corrective actions.
• Drive automation initiatives that reduce operational toil and improve platform stability.
• Support releases and deployments while ensuring production readiness and operational excellence.
• Perform operating system maintenance, patching, vulnerability remediation, and lifecycle management.
• Analyze operational data and ITSM activities to identify resiliency improvements and operational risks.
• Collaborate with globally distributed teams across multiple regions and time zones.
• Maintain operational documentation and contribute to knowledge sharing and mentoring efforts.

Requirements

• Experience administering enterprise platforms in production environments, including upgrades, patching, troubleshooting, performance tuning, and operational support.
• Experience with CMDB, discovery, asset management, inventory management, or related enterprise technologies.
• Strong Linux/Unix administration skills; working knowledge of Windows administration and authentication technologies including Active Directory, LDAP, SSH, and service accounts.
• Experience supporting software releases, production changes, and operational readiness activities.
• Strong scripting and automation skills using Python, PowerShell, Bash, or similar technologies.
• Experience with APIs, integrations, workflow automation, and orchestration technologies.
• Understanding of monitoring, observability, alerting, and operational health management.
• Experience troubleshooting distributed systems across infrastructure, application, network, and integration layers.
• Strong analytical, problem-solving, and root cause analysis skills.
• Ability to manage operational responsibilities while driving strategic automation and platform improvements.
• Strong communication and stakeholder management skills.
• Ability to effectively manage and resolve high-severity production incidents.

Additional Qualifications

• Bachelor's degree in Computer Science, Engineering, Mathematics, or a related field, or equivalent experience.
• Experience with software engineering principles, automation, scripting, pipeline management, and system design.
• Strong sense of ownership, urgency, and systematic problem-solving.
• Experience debugging, optimizing, and automating complex technical environments.
• Ability to manage competing priorities and work effectively with multiple stakeholders.
• Experience in one or more programming languages such as Python, Java, Go, C++, Ruby, or similar.
• Knowledge of Site Reliability Engineering principles, DevOps practices, observability, automation-first operations, and continuous improvement.
• Experience working across development, operations, product, and infrastructure teams.
• Familiarity with source control systems, CI/CD platforms, artifact repositories, and infrastructure automation technologies.
• Demonstrated passion for innovation, automation, operational excellence, and continuous learning.

Benefits

• Insurance (including medical, prescription drug, dental, vision, disability, life insurance)
• Flexible spending account and health savings account
• Paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave)
• 80 hours of Paid Sick and Safe Time
• 25 days of vacation time and 5 personal days, pro-rated based on date of hire
• 10 annual paid U.S. observed holidays
• 401k with a best-in-class company match
• Deferred compensation for eligible roles
• Fitness reimbursement or on-site fitness facilities
• Eligibility for tuition reimbursement