Senior Performance Test Engineer

r innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.
Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Overview
Good opportunity for a solid performance tuning and Linux administrator to join a great team and have a direct impact on critical Mastercard services. You'll play a meaningful role in performance analysis, tuning, troubleshooting and recommendations for optimizations of critical services running on Linux either as VMs or Containers
Responsibilities:
• The candidate will enable complex performance testing, monitoring, and tuning of Virtual machines (KVM) and host running on Linux (RHEL/CentOS) servers to ensure system service level objectives
• Analyzes highly complex system resource usage and configures CPU and memory resources.
• Work with development initiatives to proactively provide input on design/implementation considerations to ensure good performance.
• Create architecture documents, operations process and procedure documents, troubleshooting documents, and run books
• Data analysis and drill down for root cause analysis using both manual and automated techniques
• Maintain a high-level understanding of emerging cloud and virtualization technologies
• Application of machine learning techniques to develop models which generate real time data analytics
• Solve problems in complex environments - investigate, fix and resolve issues.
• Communicate findings and provide recommendations to other teams to improve product quality and performance

Qualifications:
• Bachelors or master's degree in mathematics, computer Science or Information Technology or equivalent combination of education and job-related experience.
• Around 8+ years of experience in the software industry with 5+ years experience in relevant skills
• Experience with Linux (RHEL/CentOS) Systems, including kernel and user space tools, as well as virtualization technologies (especially KVM).
• Strong troubleshooting skills and hands on knowledge of profiling/debugging tools such as DTrace, gdb, perf, or SystemTap.
• Practical experience with modern Linux systems and systems programming concepts like C, sockets, virtual memory, and the process life cycle.
• Confident in shell scripting and Linux system administration, including network configuration
• Analytical mind with attention to detail and desire to probe further
• Good communication skills: both written and verbal, along with the ability to communicate complex procedures
• Excellent organizational skills, along with the ability to remain focused on completing tasks and meeting goals

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.