Senior Site Reliability Engineer
O'Fallon, St. Charles County, Missouri, 63366, USA
Listed on 2026-07-04
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IT/Tech
Systems Engineer, Cloud Computing: Infrastructure & Operations, IT Support, Systems Administrator
Senior Site Reliability Engineer
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.
Role
• Work with our customers to understand the monitoring and automation requirements and implement solution using available tool sets and scripting languages.
• Administer, support and maintain enterprise Monitoring tools in a multi-tier environment.
• Build Automation solutions using available tool sets and scripting languages.
• Maintain, design, and support documents for all built solutions and processes.
• Troubleshoots networking, Unix/Linux systems, and applications to identify and correct malfunctions and other operational problems utilizing associated Linux and UNIX command line and management tools.
• On-call administration and tools support.
• As new technologies emerge and impact our environment, learn these technologies very quickly and resolve any problems involved in integrating new technologies.
• Maintain a broad knowledge of state-of-the-art technology, equipment, and/or systems.
• Support business disaster recovery procedures for assigned areas of responsibility.
• Accurately document duties and procedures to aid the department in cross-training and absentee coverage.
• Work with technical engineering teams to manage and improve processes.
• Ability to identify tasks that should be automated and then develop and implement automation.
About You
• Position requires a Bachelor's degree or foreign equivalent in Computer Science, Computer Applications, Information Systems, Computer Engineering or related and five (5) years of progressively responsible experience in job offered or as a Programmer Analyst, System Test Engineer, Quality Assurance Engineer, Software Developer, or related.
• Qualifying experience must include two (2) years with each of the following: IBM Tivoli Monitoring;
Omnibus Netcool Suite; SCOM; UNIX;
Upgrading and migrating various components like TEPS, TEMS, Tivoli Agent;
Scripting languages;
Database technologies:
Oracle/ SQL / MongoDB / Cassandra;
Programming language:
Perl / shell scripting;
Networking experience;
Security knowledge;
Knowledge of operating systems, infrastructure software, computer hardware and peripherals.
• Telecommuting and/or working from home may be permissible pursuant to company policies.
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.
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. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience.
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; 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; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.
Pay Ranges
O'Fallon, Missouri: $96,000 - $163,000 USD
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