
Site Reliability Engineer I
Mastercard1 day ago
Base Salary
$61k - $102k/yr
Responsibilities
- Support services throughout design, implementation, deployment, operation, and optimization.
- Act as the operational owner for critical enterprise platforms and improve their reliability, availability, performance, and scalability.
- Conduct production readiness reviews, launch assessments, capacity planning, and operational validation.
- Monitor, maintain, and troubleshoot production services and distributed systems.
- Lead incident response, root cause analysis, and long-term corrective actions for high-severity incidents.
- Drive automation, deployment improvements, and platform engineering initiatives that reduce operational toil and risk.
- 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 engineering, operations, product, and infrastructure teams.
- Maintain operational documentation and contribute to knowledge sharing and mentoring.
Requirements
- Experience administering enterprise platforms in production, 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 and working knowledge of Windows administration and authentication technologies including Active Directory, LDAP, SSH, and service accounts.
- Experience supporting software releases, production changes, operational readiness, APIs, integrations, workflow automation, and orchestration technologies.
- Strong scripting and automation skills using Python, PowerShell, Bash, or similar technologies.
- Understanding of monitoring, observability, alerting, and operational health management.
- Experience troubleshooting distributed systems across infrastructure, application, network, and integration layers.
- Experience with software engineering principles, pipeline management, system design, source control systems, CI/CD platforms, artifact repositories, and infrastructure automation technologies.
- 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.
- Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related field, or equivalent experience.
- Strong analytical, problem-solving, communication, stakeholder-management, ownership, and prioritization skills, including the ability to resolve high-severity production incidents.
Benefits
- Full-time employee benefits generally include medical, prescription drug, dental, vision, disability, and life insurance; flexible spending and health savings accounts; paid leave; vacation and personal days; paid U.S. holidays; 401(k) matching; fitness reimbursement or on-site fitness facilities; and tuition reimbursement.
- The position is listed in O’Fallon, Missouri.
- Mastercard intends to fill the position by 02/03/2027, or as soon as possible if that date has passed.
About Mastercard
Mastercard builds and operates a global payments network used by banks, merchants, fintechs, and governments, offering card processing, real-time payments, tokenization, and fraud/risk services. It generates revenue from transaction processing and assessment/service fees across more than 200 countries and territories. Founded in 1966 and headquartered in Purchase, New York, Mastercard is a public company listed on the NYSE (ticker: MA).