Dhiman Kumar
Data Analyst at Rolls-royce (Via Expelo Group) Aerospace Data @Expleo Group
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WORK HISTORY
Data Analyst at Rolls-royce (Via Expelo Group) Aerospace Data @Expleo Group
Data Analyst supporting the Rolls-Royce Civil Aerospace programme through Expleo, working with engine usage, maintenance, and operational data to improve data quality, reporting accuracy, and decision-making.• Analysed engine usage, maintenance, and lifecycle data across multiple systems to identify discrepancies, improve data accuracy, and support compliance and maintenance planning• Wrote and optimised SQL queries to extract, clean, and reconcile large datasets, reducing processing time by 30% and improving reporting efficiency• Built Python-based automation tools for data validation and serial and part number checks, reducing manual effort and improving the reliability of outputs• Developed and maintained data validation workflows and reporting pipelines to support high-quality, consistent, and governance-compliant operational data• Created Power BI dashboards and reports that provided near real-time visibility into engine performance, maintenance trends, and key operational metrics• Performed trend analysis on engine parts and wear patterns, helping identify early risk signals and supporting predictive maintenance initiatives that reduced unplanned downtime by 15%• Automated incident handling and data quality checks using ServiceNow, improving workflow efficiency and reducing resolution time by 25%• Worked closely with engineering, operations, and maintenance stakeholders to turn business requirements into clear, data-driven insights and reporting improvements
EDUCATION
The University of Sheffield
Master's degree, Data Science and Analytics
Meghnad Saha Institute Of Technology(MSIT)
Bachelor's degree, Engineering
ABOUT DHIMAN KUMAR
My GitHub (Recommend to Visit): github.com/dimmy98 I am a Data Analyst currently supporting the Rolls-Royce Civil Aerospace programme through Expleo, working with engine usage, maintenance, and operational data to improve data quality, reporting accuracy, and decision-making.• Data Analysis | SQL | Python | Power BI | ETL | Dashboard Development | Reporting | Data Validation | Data Quality | ServiceNow | Aerospace Data At Makutu.io, I completed a Data Engineer Apprenticeship where I worked on Power BI dashboards, Python-based data workflows, Azure Synapse, OpenAI-powered data integration, and automation to support better reporting and business insights.• Power BI | Python | Azure Synapse | OpenAI | Data Integration | Data Visualisation | Automation | Analytics Workflows I also completed an AI in Machine Learning and Speech internship at the University of Sheffield, alongside applied machine learning projects in harmful brain activity detection and healthcare predictive analytics, which strengthened my interest in machine learning and real-world data applications. • Machine Learning | Predictive Analytics | PyTorch | Scikit-learn | Deep Learning | Speech AI | NLP | Healthcare Analytics I hold an MSc in Data Analytics from the University of Sheffield, where I developed strong foundations in analytics, statistical thinking, machine learning, and data-driven problem solving. • Data Analytics | Statistical Analysis | Predictive Modelling | Research | Problem Solving Earlier in my career, I worked at DXC Technology as an Intermediate Software Engineer, where I built a solid foundation in troubleshooting, data reliability, backup operations, and technical problem-solving. • Troubleshooting | Data Reliability | Backup & Recovery | Technical Support | Process Improvement
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