SQL, Python, Apache Pyspark, Big data technologies
Dhiraj Chitte
System And Big Data Technology
Suginami-ku,13
Summary
Dynamic System Engineer with a proven track record at Fujitsu, adept in ServiceNow management and data migration. With hands-on experience at Fujitsu Limited, skilled in Spark development and data programming. Proven ability to enhance data quality through automation and validation, boosting team productivity. Adept in big data technologies and Linux administration, with a strong focus on problem-solving and mentoring junior engineers for professional growth.
Overview
4
4
years of professional experience
4
4
Certifications
4
4
Languages
Work History
Big Data Engineer Internship
Trendy Tech
06.2025 - Current
- Pursued formal training at Trendy Tech India Institute to enhance core data engineering competencies and developed personal projects to gain practical experience in the big data ecosystem.
- Hadoop Ecosystem: HDFS, MapReduce, Sqoop, Hive, HBase
- Distributed Processing Fundamentals
- Apache Spark (PySpark):
Batch Processing
Data Transformations & Actions
Performance Optimization & Tuning, including:
Adaptive Query Execution (AQE)
Partitioning and Bucketing
File Formats (Parquet, ORC)
Compression Techniques
System and Data Engineer Trainee
Fujitsu Limited
05.2024 - 03.2025
- Regularly used a query management system while supporting projects focused on fundamental big data engineering activities.
- Executed data validation and cleansing processes using Linux commands and shell scripting.
- Enhanced data quality by performing thorough cleaning, validation, and transformation tasks.
- Automated routine tasks using Python scripts, increasing team productivity and reducing manual errors.
- Supporting data processing operations to maintain smooth workflow and system reliability
System Engineer
Fujitsu Limited
05.2023 - 04.2024
- Authored system documentation, including requirements and user manuals, to support smooth operational workflows, and performed project management tasks.
- Upgrade and check the security status of the Fujitsu-FJK system.
- Created WBS reports in ServiceNow; managed accounts, incidents, and change requests; and submitted issue documentation to relevant project teams.
- Executed query management system operations, including importing data from client servers and exporting it to local servers.
- Executed Azure-based operations for migrating legacy SharePoint data to a new SharePoint server and enforcing folder encryption for data security.
System Engineer
Fujitsu Consulting
02.2022 - 05.2023
- Resolved issues and escalated problems with knowledgeable support and quality service.
- Resolved complex technical issues through effective problem-solving techniques and root cause analysis.
- Provided expert support for end-users, ensuring optimal system performance and user satisfaction.
- Trained junior engineers on best practices related to system administration, providing guidance and mentorship for their professional growth.
- VBA Tool Testing: Assisted in the development and testing of Excel VBA automation tools. Validated tool functionality to support internal process automation and reduce manual workload.
Education
Bachelor in Mechanical Engineer - Mechanical Engineering
Nagpur Institute of Technology (NIT College)
Nagpur , India 04.2001 -
Skills
Amazon web services
Spark development
Data programming
Big data technologies
SQL and databases
Microsoft Azure
Linux administration
Hadoop ecosystem
Data engineering
Accomplishments
- Performed query management system tasks, including accurate data import from client servers and export to local servers, ensuring reliable data integration.
- Built and operated data processing pipelines from HDFS to MySQL and Hive using SQL, Python, and PySpark, supporting the development of a data analytics platform.
Software
Certification
Japanese N4 level
Timeline
Basic big data technology
12-2025
Big Data Engineer Internship
Trendy Tech
06.2025 - Current
System and Data Engineer Trainee
Fujitsu Limited
05.2024 - 03.2025
AWS Cloud Practitioner Certification
10-2023
System Engineer
Fujitsu Limited
05.2023 - 04.2024
System Engineer
Fujitsu Consulting
02.2022 - 05.2023
Python programming and the Django framework
02-2022
Japanese N4 level
02-2020
Bachelor in Mechanical Engineer - Mechanical Engineering
Nagpur Institute of Technology (NIT College)
04.2001 -