Humayoon Jafri Portfolio

Marriott International via Tata Consultancy Services
(July 2021 - Nov 2022)

Resolved real-time production issues, including P1/P2 incidents, with a hands-on focus on digital reservations and live booking systems.
Designed custom Splunk dashboards and reports for developers and operations teams, incorporating time-series filtering and log pivoting.
Conducted smoke testing and deployment validations after releases to ensure stability and quick rollback if needed.
Participated in daily stand-ups and retrospectives with feedback on release impact.
Participated in capacity and performance planning using system load analytics and trend insights.
Actively involved in business requirement discussions, especially during change management and vendor escalations.
Authored detailed process documentation and SOPs to enhance production support knowledge and reduce onboarding time for new hires.
Handled escalations via email, ticket queues, and JIRA, serving as a first responder for critical service disruptions.

Marriott International via Tata Consultancy Services
(Nov 2022 - Present)

Led global incident resolution efforts specifically for Data and Marriott business-critical applications with a focus on proactive problem elimination.
Conducted root cause analysis (RCA) sessions with application owners, architects, and infrastructure teams to drive systemic fixes.
Played a leadership role in MTOC bridges, triage calls, Post Change and Post Incident reviews, driving accountability and structured follow-ups.
Directed long-term technical solutions targeting recurring issues, reducing critical incident volume by over 30%.
Collaborated with AliCloud infrastructure teams to enhance redundancy and failover.
Drove continuous improvement workshops to streamline incident response, improve operational readiness, and reduce MTTR.
Advised architecture and development teams on design improvements to eliminate root causes from upstream services.

I'm Humayoon Jafri