Harish Singh
@Harishsingh203
Data Engineer at Tata Consultancy Services
Mumbai, Maharashtra, India
Data & Cloud Engineer with 2.5+ years of experience in designing and optimizing scalable data pipelines on Google Cloud Platform (GCP). Skilled in BigQuery, Dataproc, Cloud Composer, PySpark, SQL and Looker Studio for ETL, data warehousing, and visualization. Strong expertise in Linux administration and automation with Ansible, ensuring reliable and efficient infrastructure.
Experience
Data Engineer
Tata Consultancy Services
Built and maintained ETL pipelines using Google Dataflow to process data from multiple sources, improving data processing efficiency by 35%. Wrote and optimized SQL queries in Google BigQuery to implement business logic and compliance calculations. Scheduled, monitored, and automated Dataflow jobs and BigQuery stored procedures using Cloud Composer. Migrated legacy SQL-based reporting workflows to GCP. Developed and maintained Google Looker Studio dashboards. Led Security agent Compliance Tracking project, reducing non-compliant devices by 90% across TCS.
Linux Administration
Tata Consultancy Services
Managed 60+ Linux servers with proactive monitoring, patching, and performance tuning to ensure 99.9% uptime. Automated deployments using Ansible and Shell scripting, improving configuration efficiency by 40%. Built and optimized Kafka infrastructure for scalable real-time data processing. Integrated Zabbix and Grafana for end-to-end monitoring. Implemented Linux security hardening and audits. Deployed Docker/Podman containers for high-availability services.
Education
Theem College of Engineering, Mumbai
Bachelor of Engineering
Courses: Data Analytics, Power BI, MySQL
Licenses & Certifications
Google Cloud Professional - Developer
AWS Certified Data Engineer - Associate
AWS
AWS Certified Developer - Associate
AWS