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Data Preprocessing Jobs (NOW HIRING)

BAE Systems

Data Engineer

Reston, VA

$79K - $134K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

BAE Systems

Data Engineer

Herndon, VA · On-site

$79K - $134K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

BAE Systems

Sr. Data Engineer

Herndon, VA · On-site

$97K - $164K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

BAE Systems

Sr. Data Engineer

Reston, VA

$97K - $164K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

BAE Systems

Data Engineer

Reston, VA · On-site

$79K - $134K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

Flexjet

Senior Data Scientist

Cleveland, OH

Strong proficiency in Python and SQL Experience developing and deploying models (regression, classification, clustering, ensembles, neural networks) Strong understanding of data preprocessing ...

GRVTY

Data Analyst - Mid

Falls Church, VA · On-site

$110K - $150K/yr

... data-driven recommendations ... This role plays a critical part in improving preprocessing productivity and advancing mission ...

Jobgether

$70 - $100/hr

The role involves reviewing model development workflows, data preprocessing pipelines, algorithms, and testing approaches against rigorous technical standards. You will identify data pipeline flaws ...

Flexjet LLC

Senior Data Scientist

Cleveland, OH · On-site

Hands-on expertise in data preprocessing, feature engineering, and model evaluation * Experience working with APIs, large datasets, and enterprise systems Required Technical Skills & Qualifications

Flexjet

Senior Data Scientist

Cleveland, OH · On-site

Strong proficiency in Python and SQL Experience developing and deploying models (regression, classification, clustering, ensembles, neural networks) Strong understanding of data preprocessing ...

BAE Systems

Sr. Data Engineer

Reston, VA · On-site

$97K - $164K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

Calix

Staff Data Scientist

Perform EDA, feature engineering, and data preprocessing for scalable, production pipelines * Help scale analytics and ML solutions across millions of access devices, subscriber endpoints, and Wi-Fi ...

BAE Systems

Data Engineer-Reston, Virginia

Bristow, VA

$79K - $134K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

BAE Systems

Data Engineer-Reston,Virginia

Reston, VA

$79K - $134K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

ManTech

Data Scientist

Springfield, VA · On-site

$163K - $289K/yr

Support data pipeline setup and maintenance for data preprocessing activities across all security domains. Minimum Qualifications: * 18+ years of relevant experience; BA can account for 4 years while ...

BAE Systems

Data Engineer-Reston,Virginia

Reston, VA

$79K - $134K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

BAE Systems

Data Engineer-Reston, Virginia

Manassas, VA · On-site

$79K - $134K/yr

Provide data preprocessing, quality checks, data integration, and visualization creation * Provide quality assurance, and complex data visualizations * Develop dashboards with tools like Tableau or ...

ManTech International

Data Scientist

Springfield, VA · On-site

$163K - $289K/yr

Support data pipeline setup and maintenance for data preprocessing activities across all security domains. Minimum Qualifications: * 18+ years of relevant experience; BA can account for 4 years while ...

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Data Preprocessing information

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$46K

$165K

$243.5K

How much do data preprocessing jobs pay per year?

As of Sep 13, 2026, the average yearly pay for data preprocessing in the United States is $165,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $133,500.00 and $170,000.00 per year, depending on experience, location, and employer.

What is data preprocessing?

Data preprocessing is the process of cleaning, transforming, and organizing raw data into a usable format for analysis or machine learning. It involves steps such as handling missing values, removing duplicates, normalizing or scaling data, and encoding categorical variables. Proper data preprocessing helps improve the quality and performance of predictive models by ensuring the data is accurate, consistent, and suitable for analysis.

What are the key skills and qualifications needed to thrive as a data preprocessing specialist, and why are they important?

To thrive as a Data Preprocessing Specialist, you need a strong background in statistics, data cleaning, and data transformation, often supported by a degree in computer science, data science, or a related field. Proficiency with tools such as Python (pandas, NumPy), SQL, and data visualization platforms is typically essential, along with familiarity with data management systems. Attention to detail, problem-solving abilities, and effective communication are standout soft skills in this position. These skills are crucial for ensuring high-quality, reliable datasets that underpin accurate data analysis and machine learning outcomes.

What are some common challenges faced in a data preprocessing role, and how can they be effectively managed?

Professionals in Data Preprocessing often encounter challenges such as handling incomplete or inconsistent data, managing large datasets, and ensuring data quality before analysis. Addressing these issues typically involves using specialized tools to automate data cleaning, establishing clear data validation rules, and collaborating closely with data engineers and analysts. Staying updated with best practices and leveraging scripting languages like Python or R can also streamline the preprocessing workflow, making it easier to deliver reliable and accurate datasets for downstream analysis.

What is the difference between Data Preprocessing vs Data Analysis?

AspectData PreprocessingData Analysis
Primary FocusCleaning, transforming, and preparing raw data for analysisInterpreting data to extract insights and support decision-making
Skills RequiredData cleaning, scripting, understanding of data formatsStatistical analysis, data visualization, critical thinking
Work EnvironmentData engineering teams, data science projectsBusiness intelligence, research, data science teams
Tools UsedPython, R, SQL, ETL toolsExcel, Tableau, R, Python, statistical software

While data preprocessing involves preparing raw data for analysis by cleaning and transforming it, data analysis focuses on interpreting the prepared data to uncover trends and insights. Both roles are essential in the data pipeline but serve different purposes in the data lifecycle.

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What cities are hiring for Data Preprocessing jobs?

Cities with the most Data Preprocessing job openings:

What states have the most Data Preprocessing jobs?

States with the most job openings for Data Preprocessing jobs include:

What job categories do people searching Data Preprocessing jobs look for?

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Data Preprocessing jobs near you
Infographic showing various Data Preprocessing job openings in the United States as of September 2026, with employment types broken down into 13% Internship, 54% Full Time, 6% Part Time, 2% Temporary, and 25% Contract. Highlights an 91% In-person, and 9% Remote job distribution, with an average salary of $165,018 per year, or $79.3 per hour.

AIML consultant with Java experience

Charlotte, NC • On-site

Syntricate Technologies
IT Services • 51 - 200 employees
Learn more about Syntricate Technologiesexternal

$49.75 - $64.50/hr

Full-time

Re-posted 16 days ago

Job description

Job Summary:
Syntricate Technologies is seeking an AIML Consultant with Java experience. The role involves leveraging machine learning algorithms, model evaluation, and data preprocessing, while also requiring proficiency in Java and related frameworks.
Responsibilities:
• Proficiency in Java and frameworks like Spring Boot, Maven/Gradle.
• Strong foundation in machine learning algorithms, model evaluation, and data preprocessing.
• Experience with ML tools and libraries (e.g., TensorFlow, scikit-learn, Keras, XGBoost, Jupyter).
• Experience with model deployment (REST APIs, Docker, microservices).
• Familiarity with cloud platforms (AWS, GCP, or Azure) and MLOps tools.
• Knowledge of data structures, algorithms, and design patterns.
• Strong understanding of SQL, NoSQL, and data wrangling tools.
• Version control (Git), CI/CD pipelines, and containerization (Docker, Kubernetes).
Qualifications:
Required:
• Proficiency in Java and frameworks like Spring Boot, Maven/Gradle.
• Strong foundation in machine learning algorithms, model evaluation, and data preprocessing.
• Experience with ML tools and libraries (e.g., TensorFlow, scikit-learn, Keras, XGBoost, Jupyter).
• Experience with model deployment (REST APIs, Docker, microservices).
• Familiarity with cloud platforms (AWS, GCP, or Azure) and MLOps tools.
• Knowledge of data structures, algorithms, and design patterns.
• Strong understanding of SQL, NoSQL, and data wrangling tools.
• Version control (Git), CI/CD pipelines, and containerization (Docker, Kubernetes).
Preferred:
• Bachelor's or Master's degree in Computer Science, Data Science, or related field.
• Certifications in AI/ML, cloud, or big data technologies.
• Exposure to Python for rapid ML prototyping.
• Familiarity with Java-based ML libraries like Deeplearning4j, Weka, or Smile.
Company:
Syntricate Technologies offers quality assurance, validation, regulatory, business analysis, and project management services. Founded in 2004, the company is headquartered in Boston, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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