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Data Engineer Jobs in O Fallon, IL (NOW HIRING)

Senior Data Engineer

Hazelwood, MO ยท On-site

$100K - $135K/yr

Senior Data Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is hiring a Senior Data Engineer for a Proprietary Program in Saint Louis, MO . We seek passionate, curious ...

Senior Data Engineer

Hazelwood, MO

$100K - $135K/yr

Senior Data Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is hiring a Senior Data Engineer for a Proprietary Program in Saint Louis, MO . We seek passionate, curious ...

Job Title: IT Data Engineer (Entry) Location: Creve Coeur, MO 63167 Duration: 12 Months Job Type: Temporary Assignment Work Type: Hybrid Position Overview: We are seeking a highly motivated data ...

Senior AWS Software Data Engineer

Hazelwood, MO ยท On-site

$115K - $152K/yr

Senior AWS Software Data Engineer Company: The Boeing Company The Boeing Company is looking for a Senior AWS Software Data Engineer to join our Digital Analytics and System Health (DASH) software ...

Senior AWS Software Data Engineer Company: The Boeing Company The Boeing Company is looking for a Senior AWS Software Data Engineer to join our Digital Analytics and System Health (DASH) software ...

Senior AWS Software Data Engineer

Hazelwood, MO ยท On-site

$115K - $152K/yr

Senior AWS Software Data Engineer Company: The Boeing Company The Boeing Company is looking for a Senior AWS Software Data Engineer to join our Digital Analytics and System Health (DASH) software ...

Showing results 41-60

Data Engineer information

See O Fallon, IL salary details

$41.5K

$121K

$165.6K

How much do data engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for data engineer in O'Fallon, IL is $121,000.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,800.00 and $128,300.00 per year, depending on experience, location, and employer.

What is the difference between Data Engineer vs Data Scientist?

AspectData EngineerData Scientist
Primary FocusBuilding and maintaining data pipelines and infrastructureAnalyzing data to extract insights and create models
SkillsSQL, ETL, programming (Python, Java), database managementStatistics, machine learning, data analysis, programming (Python, R)
Work EnvironmentData warehouses, cloud platforms, backend systemsData analysis environments, research labs, visualization tools
Common ToolsApache Spark, Hadoop, Airflow, SQLJupyter, RStudio, Tableau, scikit-learn

Data Engineers focus on creating and maintaining the infrastructure that allows data to be collected, stored, and processed efficiently. Data Scientists analyze this data to generate insights, build predictive models, and support decision-making. While their skills overlap, Data Engineers are more involved in data pipeline development, whereas Data Scientists focus on data analysis and modeling.

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

To thrive as a Data Engineer, you need a strong background in computer science, data modeling, and programming languages such as Python or Java, often coupled with a relevant degree. Familiarity with ETL tools, big data frameworks (like Hadoop or Spark), and cloud platforms (such as AWS or Azure) is typically required, along with certifications like AWS Certified Data Analytics. Strong problem-solving skills, attention to detail, and effective communication set exceptional data engineers apart. These skills and qualities are essential for building robust data pipelines, ensuring data quality, and supporting data-driven decision-making across organizations.

What does a data engineer do?

The job duties of a data engineer involve helping with the development of systems, software, and infrastructure used to process, store and analyze data. Your responsibilities in this career include working to install data management software. Your employer may expect you to perform maintenance and install updates to all software and systems that they use for data acquisition, management, and analysis. Data engineers also analyze existing data systems to find ways to improve efficiency and accessibility. You then suggest upgrades or changes based on your assessment.

What is a data engineer?

Data Engineers are IT professionals who design, construct, install, and maintain large-scale processing systems and other infrastructure for collecting, storing, and analyzing data. They build and optimize data pipelines and architectures that allow organizations to efficiently access and use data for business insights. Data Engineers work closely with data scientists, analysts, and other stakeholders to ensure that data is reliable, accessible, and secure. Their responsibilities often include working with databases, cloud platforms, and big data tools.

How do data engineers typically collaborate with data scientists and analysts within an organization?

Data Engineers play a crucial role in ensuring that Data Scientists and Analysts have reliable, well-structured data for their projects. This collaboration often involves building and maintaining data pipelines, optimizing data storage solutions, and troubleshooting data quality issues. Regular communication and agile teamwork are common, with Data Engineers frequently participating in meetings to understand analytical requirements and adjust data processes accordingly. By working closely together, these teams can quickly iterate on data models and deliver actionable insights to drive business decisions.

Is a data engineer entry level?

Data engineering is typically an intermediate to senior-level role that requires experience with programming, databases, and data pipelines. Entry-level positions may be available for those with relevant internships or strong foundational skills, but most data engineering roles demand several years of experience and proficiency with tools like SQL, Python, and cloud platforms.
What are the most commonly searched types of Data Engineer jobs in O'Fallon, IL? The most popular types of Data Engineer jobs in O'Fallon, IL are:
What are popular job titles related to Data Engineer jobs in O'Fallon, IL? For Data Engineer jobs in O'Fallon, IL, the most frequently searched job titles are:
What cities near O'Fallon, IL are hiring for Data Engineer jobs? Cities near O'Fallon, IL with the most Data Engineer job openings:
Infographic showing various Data Engineer job openings in O'Fallon, IL as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 9% Part Time, and 3% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $121,000 per year, or $58.2 per hour.

Data Engineer with Security Clearance

Gridiron IT Solutions

Saint Louis, MO โ€ข On-site

$150K - $160K/yr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 3 hours ago


Job description

Job Description
Data Engineer Location: St. Louis, MO
Clearance: Secret cleared The Data Engineer plays a crucial role in the application migration team by designing, developing, and maintaining robust data solutions throughout the migration process. This position is responsible for creating efficient data pipelines, ensuring data quality, and implementing ETL (Extract, Transform, Load) processes to facilitate the seamless migration and deployment of data across systems. The Data Engineer works within the Agile frameworks to support the team's data-driven approach to application migration, collaborating closely with other team members to ensure data integrity and accessibility throughout the transition to cloud environments. Key Responsibilities:
Design and develop scalable, efficient data architectures to support the migration process
Create data models and schemas that align with both source and target systems
Develop and maintain robust data pipelines for data generation, collection, and processing
Implement real-time and batch processing pipelines as required by the migration strategy
Design and implement ETL processes to migrate data between source and target systems
Develop scripts and workflows for data extraction, transformation, and loading
Develop and maintain data cleansing routines to address data inconsistencies
Create monitoring systems to track data quality metrics throughout the migration
Collaborate with the migration team to plan and execute data migration strategies
Provide expertise on data-related aspects of the migration process
Troubleshoot and resolve data-related issues during migration
Optimize data processing and storage for improved performance in cloud environments
Monitor and tune data pipelines for efficiency
Implement data security measures to protect sensitive information during migration
Ensure compliance with data protection regulations and organizational policies
Develop and maintain data access controls and audit trails
Create and maintain comprehensive documentation for data architectures and processes
Work closely with data analysts, cloud engineers, and application developers
Integrate data solutions with other components of the migrated applications
Participate in Agile ceremonies (Sprint Planning, Daily Stand-ups, Sprint Reviews, and Retrospectives) Qualifications:
Requirements: Bachelors degree
Years of Experience: 5-8 Clearance:
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; Secret clearance is required. Compensation and Benefits
Salary Range: $150,000 - $160,000 (Compensation is determined by various factors, including but not limited to location, work experience, skills, education, certifications, seniority, and business needs. This range may be modified in the future.) Benefits: Gridiron offers a comprehensive benefits package including medical, dental, vision insurance, HSA, FSA, 401(k), disability & ADD insurance, life and pet insurance to eligible employees. Full-time and part-time employees working at least 30 hours per week on a regular basis are eligible to participate in Gridironโ€™s benefits programs. Gridiron IT Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status or disability status. Gridiron IT is a Women Owned Small Business (WOSB) headquartered in the Washington, D.C. area that supports our clients' missions throughout the United States. Gridiron IT specializes in providing comprehensive IT services tailored to meet the needs of federal agencies. Our capabilities include IT Infrastructure & Cloud Services, Cyber Security, Software Integration & Development, Data Solution & AI, and Enterprise Applications. These capabilities are backed by Gridiron IT's experienced workforce and our commitment to ensuring we meet and exceed our clients' expectations.