Robin Jeffrey

Client: London Stock Exchange Group / Refinitiv US LLC

Leading global provider of financial market data, analytics, and trading infrastructure serving financial institutions worldwide. The project mainly deals with the financial markets data and infrastructure. It focuses on delivering data and analytics to the customer.

Linux System Administration & Upgrades

• Contributed to the Linux Development team, focusing on system deployments, upgrades, and automation, resulting in improved system stability and a significant reduction in deployment failures.
• Upgraded HA Cloud versions across multiple Linux servers using PuTTY, performed pre-upgrade checks, managed critical services, established SFTP file transfers, and resolved production outages through effective troubleshooting.
• Executed certificate renewals and post-deployment verifications to ensure secure, and uninterrupted system operations.

DevOps Practices

• Led the end-to-end migration of all project applications from Sami Git to DxOne, improving deployment consistency and version control across the team.
• Configured and maintained CI/CD pipelines for critical applications in GitLab; implemented token-based authentication and automation to streamline deployments and reduce errors.
• Managed GitLab access controls and provided permissions to the team; maintained key infrastructure components and documented processes in Confluence to ensure operational continuity.

Incident Management & ITSM (ServiceNow)

• Handled Change Requests for application deployments, ensuring audit compliance and seamless coordination across stakeholders.
• Independently resolved incidents and service requests, driving fast recovery and minimizing disruption in a high-stakes financial environment.
• Participated in TRT calls for major incident resolution and root cause analysis, improving system reliability and operational resilience.
• Process Tracking & Technical Documentation (Atlassian)
• Created and maintained technical documentation, including knowledge base articles and Confluence process guides, improving onboarding efficiency, deployment accuracy, and overall team knowledge sharing.
• Managed tasks using JIRA, under Agile methodology ensuring consistent on-time sprint completion and smooth release cycles.

Team Collaboration, Communication & Leadership

• Collaborated with SIT and Production teams, providing timely fixes and deployment support, improving issue resolution time and deployment efficiency.
• Used Clarity PPM for regular timesheet submissions, ensuring compliance with project reporting.
• Led team's progress reviews and internal presentations during project phases using Excel.