Site Reliability Engineer

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
Site Reliability Engineer
Job Summary
We are seeking an experienced Cloud Engineer to join our Cloud Operations team. The ideal candidate will manage and optimize large-scale AWS and Azure cloud platforms, ensuring robust, secure, and efficient operations. The candidate should be able to automate daily activities, support deployment pipelines, develop observability for the cloud platforms. This role requires expertise in cloud concepts, advanced DevOps practices, CI/CD pipelines, cloud security, and proficiency with monitoring and observability tools like Splunk and Dynatrace. The candidate must demonstrate exceptional skills in Kubernetes troubleshooting and deployments, Azure DevOps, Cloud Access Management, CloudFormation, and cloud networking.
Key Responsibilities• Cloud Platform Management:
o Design, deploy, and manage highly available, scalable, and secure AWS and Azure cloud environments.
o Optimize cloud infrastructure for performance, cost, and reliability.
o Implement and manage Infrastructure as Code (IaC) using AWS CloudFormation and Azure Resource Manager (ARM) templates.• DevOps and CI/CD:
o Develop and maintain advanced CI/CD pipelines using Azure DevOps and other industry-standard tools.
o Automate deployment, scaling, and management of containerized applications using Kubernetes.
o Troubleshoot and resolve complex Kubernetes issues, ensuring high availability and performance.• Cloud Security:
o Implement and enforce cloud security best practices, including identity and access management (IAM), encryption, and network security.
o Manage Cloud Access Management frameworks to ensure compliance with regulatory standards (e.g., PCI DSS, GDPR).
o Conduct regular security assessments and audits to mitigate risks.• Monitoring and Observability:
o Design and implement monitoring and observability solutions using tools like Splunk and Dynatrace.
o Proactively identify and resolve performance bottlenecks and system issues.
o Develop dashboards and alerts to ensure real-time visibility into cloud operations.• Cloud Networking: Good Knowledge of Networking concepts- maintains, and troubleshoots network hardware and software, resolves connectivity issues, implements security measures like firewalls, monitors network performance, and provides technical support to users.
o Architect and manage cloud network infrastructure, including VPCs, subnets, VPNs, and load balancers.
o Ensure secure and efficient connectivity between on-premises and cloud environments.
o Troubleshoot and optimize network performance for low latency and high throughput.• Collaboration and Leadership:
o Collaborate with cross-functional teams, including developers, security, and compliance, to align cloud operations with business goals.
o Mentor junior engineers and provide technical guidance on cloud best practices.
o Stay updated with emerging cloud technologies and recommend improvements to existing systems.
Qualifications• Education: Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).• Experience:
o 7+ years of experience in cloud engineering, with at least 4 years focused on AWS and Azure platforms.
o Proven experience managing large-scale cloud environments in a Fintech or similarly regulated industry.
o Hands-on experience with Kubernetes troubleshooting, deployments, and cluster management.
o Demonstrated expertise in building and managing CI/CD pipelines using Azure DevOps or similar tools.
o Strong background in cloud security principles and tools, including IAM, encryption, and compliance frameworks.
o Extensive experience with monitoring and observability tools like Splunk and Dynatrace.
o Proficiency in AWS CloudFormation, Azure ARM templates, and cloud networking concepts.• Technical Skills:
o Expert-level knowledge of cloud concepts (IaaS, PaaS, SaaS) and architectures.
o Advanced DevOps skills, including automation, scripting (Python, Bash, PowerShell), and containerization (Docker, Kubernetes).
o Deep understanding of cloud networking (VPCs, subnets, firewalls, DNS, load balancing).
o Familiarity with Fintech-specific compliance requirements (e.g., PCI DSS, SOC 2) is a plus.• Certifications (at least 1 of the below certifications or similar is mandatory)
o AWS Certified Solutions Architect - Professional or AWS Certified DevOps Engineer - Professional.
o Microsoft Certified: Azure Solutions Architect Expert or Azure DevOps Engineer Expert.
o Certified Kubernetes Administrator (CKA) or Certified Kubernetes Security Specialist (CKS).
o SysOps or DevOps certification• Soft Skills:
o Excellent problem-solving and analytical skills.
o Strong communication and collaboration abilities.
o Ability to work in a fast-paced, dynamic environment and manage multiple priorities.
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. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact [email protected] and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
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: $75,000 - $125,000 USD