Sr. Data Analyst

Nexiva • Irving, NY

2d • Hybrid

About The Position

This role is for a Sr. Data Analyst with a hybrid work expectation of 2-3 days onsite per week in Irving Place, NY. The position is for a duration of 12+ months and involves video followed by an in-person interview. The role requires a strong background in data science, machine learning, and analytics, with the ability to design, develop, and optimize machine learning models, prepare data, conduct deep-dive analyses, and collaborate with cross-functional teams.

Requirements

• Bachelor's or Master's degree in Computer Science, Data Science, Machine Learning, Statistics, Mathematics, or related field.
• Strong experience in machine learning algorithms, predictive modeling, and data mining.
• Proficiency in Pyspark, Python pandas (required) for data science workloads.
• Strong SQL (required) knowledge and experience with relational databases.
• Minimum 3 years of experience with data visualization tools such as Power BI, Dax Queries, and best practices.
• Experience with Azure Databricks, Google Cloud, and modern data science libraries (e.g., scikit-learn, pandas, NumPy).
• Experience with GenAI and large language models.
• Ability to interpret complex datasets and produce actionable insights.
• Must know how to analyze the root cause of dashboard errors.
• Have experience in ML Ops and have strong coding background.
• Have experience with Natural Language Processing (NLP).
• Knowledge or experience with A/B Testing.
• Working knowledge of designing, training, and implementing machine learning models.
• Familiarity with cloud-based infrastructure
• Excellent communication and problem-solving skills.
• 7 or more years of experience in data science and machine learning engineering.

Nice To Haves

• Knowledge of statistical methods and experimental design.

Responsibilities

• Design, develop, and optimize machine learning models (forecasting, classification, clustering).
• Apply data mining techniques to uncover patterns and insights in large datasets.
• Perform feature engineering, model validation, and performance tuning.
• Explore and deploy modern AI and ML approaches to enhance automation and analytics.
• Prepare structured and unstructured data for modeling and advanced analysis.
• Develop scripts and tools for data cleansing, validation, and enrichment.
• Collaborate with Data Engineering to maintain efficient data pipelines.
• Identify data quality issues and propose remediation.
• Conduct deep-dive analyses to identify trends and improvement opportunities.
• Communicate complex findings in clear, concise ways to technical and non-technical stakeholders.
• Support the development of dashboards, metrics, and analytical solutions.
• Work with architects, engineers, and analysts to define analytical requirements.
• Contribute to conceptual data model design and workflow optimization.
• Promote best practices in machine learning, analytics, and data governance.

What This Job Offers

• Career Level: Senior