Rayyan G

EDUCATION

BS Computer Science, National University of Science and Technology (NUST), Pakistan (Sep 2016 – May 2020)

WORK EXPERIENCE

Application Specialist @ S&P Global Market Intelligence, Pakistan (Apr 2022 – Present)

• Develop, manage, and maintain cloud infrastructure (AWS, Azure) for application and database deployment.
• Provide infrastructure consultancy (Cloud, On-Prem) to clients, ensuring seamless and consistent data ingestion.
• Monitor cloud servers, manage environment segregation, and enforce best practices across Windows and Linux platforms.
• Serve as a subject matter expert on containerization of applications and databases for internal production systems.
• Perform technical troubleshooting and root cause analysis (RCA) for infrastructure, roles, access, networking, and database issues.
• Lead the pre-sales and onboarding process for cloud portfolio clientele (Snowflake, Databricks, AWS S3).
• Conduct product user acceptance testing (UAT), documentation, and resource training for newly developed solutions and technologies.

System Software Specialist @ Multilynx, Pakistan (Aug 2021 – Apr 2022)

• Specialized in VMware server virtualization for cloud and networking operations.
• Configured and optimized HPE ProLiant and Blade servers for data center operations.
• Administered Windows Server 2019, focusing on Active Directory Domain Services (AD DS), DNS, DHCP, and SQL Server.
• Developed PowerShell scripts to automate daily monitoring and data health checks.
• Managed Oracle Database Administration (12c, 19c), ensuring proper implementation of roles and privileges.
• Provided technical troubleshooting for operating systems and databases, supporting both internal and external clients.

System Administrator @ GoSaas Inc., Pakistan (Aug 2020 – May 2021)

• Provided support and troubleshooting for databases and server migration projects.
• Acted as a client-facing representative, collaborating with stakeholders for requirements gathering, task alignment, activity tracking, and technical documentation.
• Deployed quarterly patches for Oracle applications on Linux and Windows-based servers.
• Managed and transferred audit logs while conducting frequent product health checks of client environments.

SKILLS

• Languages: PowerShell, Bash, SQL, Java, Python.
• Compute: AWS EC2, Azure VMs, AWS Lambda.
• Networking: VPCs, NSGs, Firewall Servicing, Inbound & Outbound Rules.
• Automation: AWS CloudFormation, Dockerfile, Ansible.
• Big Data: Snowflake, Azure Databricks, Delta Sharing.
• Containerization: Docker, AWS ECS, Azure Container Instances.
• Databases: MySQL, PostgreSQL, DynamoDB, MS SQL Server, Managed Instances.
• Storage: AWS S3, Cloud File Shares, SFTP, Azure Blob.

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