Senior site reliability engineer (remote)

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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. Senior Site Reliability Engineer Mastercard is committed to connecting and powering an inclusive, digital economy that benefits everyone, everywhere. Through secure data, global networks, strong partnerships, and a passion for innovation, Mastercard helps individuals, financial institutions, governments, and businesses reach their full potential. A core part of Mastercard’s identity is its **Decency Quotient (DQ)**—a cultural foundation that guides how employees work, collaborate, and lead. Mastercard fosters a culture of inclusion that respects individual strengths, perspectives, and experiences. The company believes that diversity drives better decisions, fuels innovation, and leads to stronger business outcomes. Technology at Mastercard shapes the future of the digital economy. Mastercard technologists work on a truly global network, creating critical systems and products that enable people everywhere to access essential goods and services. Business Operations (Biz Ops) – SRE / Operational Readiness Architect The Business Operations (Biz Ops) team serves as the production readiness steward for Mastercard products. As a **Business Operations Site Reliability Engineer (SRE) / Operational Readiness Architect**, the mission is to ensure platform stability, health, and resilience. Support developers during the build phase with operational design, automation, capacity planning, and monitoring .- Establish and enforce operational standards while promoting an agile, learning focused culture. - Lead triage and root cause analysis with a focus on business impact and blameless post mortems. - Engage early in the development lifecycle to proactively manage production and change activities. - Drive risk management, compliance, and mitigation across environments. - Align product and customer priorities with operational needs through continuous feedback. - Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating, and lead Mastercard in Dev Ops automation and best practices. Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover -Work with a global team spread across tech hubs in multiple geographies and time zones -Serve as the primary contact for application health, performance, and capacity. - Support services before launch through system design consulting, capacity planning, and launch reviews. - Build frameworks that enable zero downtime deployments. BS in Computer Science or related technical field, or equivalent practical experience. - Interest in large scale distributed systems design, analysis, and troubleshooting. - Balance between long term system health and short term fixes. - Ability to collaborate cross functionally with clear understanding of expected system behavior and monitoring needs. -Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is desired. - C, C++, Java, Python, Go, Perl or Ruby. -Ability to work in shifts and weekends when in needed & based on team members rotations & schedule. Experience with algorithms, data structures, scripting, pipeline management, and software design. - Experience working across development, operations, and product teams. - Expertise in RDBMS such as Postgre SQL and Oracle. - Proficiency in SQL, PL/SQL, and Postgre SQL features. - Strong understanding of database architecture, performance tuning, and query optimization. - Experience with monitoring tools (e.g., Splunk, Dynatrace). - Experience in production support and ITIL processes. - Network concepts (Layer 1–3) - Stack trace analysis (TCP dumps, heap/CPU/memory/thread dumps) - Load balancers and application firewalls - Logging and monitoring standards - Configuration management Awareness of security implementations, certificate lifecycle management, mutual TLS, SSL handshake, SSH keys, and encryption methods (symmetric/asymmetric). Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard. Do not include any medical or health information in this email. 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; Report any suspected information security violation or breach, and In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; S. observed holidays; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and on-site fitness facilities in some locations.