Henry Lewis

L3 Reliability Engineer with experience leading through production issues, bringing structure to ambiguous technical problems, and communicating clearly when reliability and customer trust are on the line. Skilled in incident response, change governance, root cause analysis, and post-incident review processes. Expertise in turning stressful moments into clear decisions and lasting improvements.

L3 Reliability Engineer at Mastercard

• Investigated and coordinated resolution for customer-impacting issues
• Supported post-incident review processes
• Tracked recurring failure patterns
• Worked with teams to move beyond temporary fixes toward long-term reliability improvements
• Stayed calm during high-severity issues
• Separated signal from noise in technical problems
• Communicated status clearly to both technical and business stakeholders
• Ensured follow-up actions did not disappear into post-incident fog