Senior Executive - Data Scientist
Bangalore, KA, IN, 560029
Job Title: Data Scientist (N2/N3 Level)
Organization Name: NEC Corporation of India Ltd.
Reporting Relationship: Abisanka Mishra
Experience Required: 3–4 Years
Role Summary
We are looking for a motivated and analytical Data Scientist (N2/N3 Level) with 3–4 years of hands-on experience in data science and machine learning. The candidate will be responsible for end-to-end model development including data preprocessing, statistical analysis, predictive modeling, validation, and deployment support while collaborating with cross-functional teams.
Key Responsibilities
- Perform data collection, cleaning, preprocessing, and feature engineering on structured and unstructured datasets.
- Conduct exploratory data analysis (EDA) and statistical analysis.
- Develop, validate, and optimize predictive and classification models.
- Implement machine learning algorithms for business use cases.
- Manage the complete ML lifecycle: data preparation → model building → evaluation → performance tuning.
- Collaborate with cross-functional teams to translate business problems into analytical solutions.
- Document methodologies, model assumptions, and performance metrics.
- Support model deployment and monitoring activities.
Technical Skills Required
Programming
- Strong hands-on experience in Python.
- Proficiency in Pandas, NumPy, Scikit-learn, Matplotlib/Seaborn.
- Experience with XGBoost / LightGBM (Preferred).
Data Processing
- Data cleaning and preprocessing techniques.
- Feature engineering.
- Handling missing data and outliers.
Statistics & Modeling
- Strong understanding of Probability & Statistics.
- Hypothesis testing.
- Regression analysis and classification techniques.
- Experience with Linear & Logistic Regression, Decision Trees, Random Forest, Gradient Boosting, KNN, and SVM.
Model Evaluation & Tuning
- Model evaluation metrics: Accuracy, Precision, Recall, F1-score, ROC-AUC.
- Cross-validation techniques.
- Hyperparameter tuning.
Good to Have
- Experience in model deployment.
- Knowledge of SQL.
- Exposure to cloud platforms (Azure/AWS/GCP).
- Understanding of MLOps concepts.
Soft Skills
- Strong analytical and problem-solving ability.
- Good communication skills.
- Ability to work independently and in team environments.
- Strong documentation and presentation skills.
Specialization Description
Responsible for improving or developing new products, components, equipment, systems, technologies, or processes including:
- Ensuring that research and design methodologies meet established scientific and engineering standards
- Assisting with formulating business plans and budgets for product development
- Analyzing quality/safety test results to ensure compliance with internal and external standards
- Keeping abreast of new developments in the industry and translating those developments into new and viable options for the organization and customers
- Organizing technical presentations to customers and/or industry groups
- Monitoring product development outcomes to ensure technical, functional, cost, and timing targets are met In some organizations, may be responsible for managing product regulatory approval process
Level Description
Entry to developing level professional with little or no prior experience required. Applies a broad theoretical job knowledge typically obtained through advanced education. Work is closely supervised. Works to deliver day-to-day objectives with limited impact on achievement of results for the job area. Explains facts, policies and practices related to job area. Problems faced are not typically difficult or complex.