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Computer Scientist Jobs in O Fallon, IL (NOW HIRING)

Intellectix

Data Scientist

Saint Louis, MO

Education/Experience: * 2+ years of experience as a Data Scientist, Data Engineer, ML Engineer, or Data Analyst and a Bachelor's Degree in Computer Programming, Science, Engineering, or a related ...

Intellectix

Data Scientist

Saint Louis, MO · On-site

Education/Experience: * 2+ years of experience as a Data Scientist, Data Engineer, ML Engineer, or Data Analyst and a Bachelor's Degree in Computer Programming, Science, Engineering, or a related ...

BioFire Diagnostics

Sr. Data Scientist

Hazelwood, MO · On-site

Bachelor degree required - Data Science, Applied Mathemetics/Statistics, Electrical Engineering, Computer Science, Biomedical Engineering * 5 years of professional related experience with Machine ...

CACI

Senior Data Scientist

Saint Louis, MO

$82K - $172K/yr

Bachelor's degree in Data Science, Computer Science, Mathematics, Statistics, or a related field (equivalent experience accepted). 8+ years of data science, analytics, or related engineering ...

bioMerieux

Sr. Data Scientist

Hazelwood, MO

Bachelor degree required - Data Science, Applied Mathemetics/Statistics, Electrical Engineering, Computer Science, Biomedical Engineering * 5 years of professional related experience with Machine ...

Perficient

Lead Data Scientist

Saint Louis, MO · On-site

Bachelor's degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field. * 3+ years of experience developing and deploying predictive models using ...

Perficient, Inc.

Lead Data Scientist

Saint Louis, MO · On-site

Bachelor's degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field. * 8+ years of experience developing and deploying predictive models using ...

Perficient, Inc.

Lead Data Scientist

Saint Louis, MO · On-site

Bachelor's degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field. * 3+ years of experience developing and deploying predictive models using ...

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Showing results 41-60

All JobsComputer Scientist JobsComputer Scientist Jobs in O'Fallon, IL

Computer Scientist information

See O Fallon, IL salary details

$47.1K

$103.9K

$128.3K

How much do computer scientist jobs pay per year?

As of Sep 2, 2026, the average yearly pay for computer scientist in O'Fallon, IL is $103,861.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,200.00 and $127,800.00 per year, depending on experience, location, and employer.

What is a computer scientist?

Computer scientists are professionals who study the theory, design, development, and application of computer systems and software. They work on solving complex problems using algorithms, programming languages, and computational methods. Their work can range from developing new technologies, improving cybersecurity, creating software, to researching artificial intelligence and machine learning. Computer scientists are employed in various industries, including tech companies, research institutions, government agencies, and academia.

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

To thrive as a Computer Scientist, you need a strong background in mathematics, programming, and algorithm design, usually supported by a degree in computer science or a related field. Familiarity with programming languages (such as Python, Java, C++), development tools, and version control systems is typically required, along with knowledge of specialized software or frameworks relevant to your area. Analytical thinking, problem-solving, and effective communication are crucial soft skills that help you collaborate and present complex ideas clearly. These skills and qualifications are important for developing innovative solutions, advancing technology, and working efficiently in multidisciplinary teams.

What does a computer scientist do?

Computer scientists solve problems using technology. They write and program software, create applications for mobile devices, and develop websites. Their primary objectives are to validate and to develop mathematical models capable of computer interaction between people and other computers. They do this by running computer programs and improving computer processes and performance. Beyond working within theoretical frameworks, computer scientists can also research and focus in areas such as data structure and algorithms, information and database theory, software engineering, numerical analysis, computational complexity theory, computer graphics, programming language theory, and computer vision.

How do computer scientists typically collaborate with other departments within an organization?

Computer scientists often work closely with teams from engineering, product management, data analytics, and IT to design, implement, and optimize technological solutions. Collaboration may involve participating in cross-functional meetings, providing technical expertise to inform business decisions, and integrating software systems with other platforms. Effective communication and teamwork are key, as computer scientists must translate complex technical concepts into actionable insights for non-technical colleagues. This collaborative environment not only broadens your professional network but also enhances your problem-solving skills through exposure to diverse perspectives.

What is the difference between Computer Scientist vs Software Engineer?

AspectComputer ScientistSoftware Engineer
Required CredentialsBachelor's or higher in CS or related field; often advanced degreesBachelor's or higher in CS, Software Engineering, or related field
Work EnvironmentResearch labs, academia, R&D departmentsTech companies, software development firms, IT departments
Employer & Industry UsageUniversities, research institutions, tech companiesSoftware development companies, startups, large corporations
Common Search & Comparison IntentUnderstanding roles, career paths, and skillsJob requirements, responsibilities, and career growth

Computer Scientists focus on theoretical foundations, algorithms, and research, often working in academia or R&D. Software Engineers design, develop, and maintain software applications in industry settings. While both roles require strong programming skills and a background in computer science, their work environments and primary objectives differ.

What are 5 careers in computer scientist?

A computer scientist can pursue careers such as software developer, data analyst, systems analyst, cybersecurity analyst, and machine learning engineer. These roles often require programming skills, knowledge of algorithms, and familiarity with tools like Python, Java, or SQL. Many positions also benefit from relevant certifications and a strong understanding of computer systems and data structures.
More about Computer Scientist jobs

What are the most commonly searched types of Computer Scientist jobs in O'Fallon, IL?

The most popular types of Computer Scientist jobs in O'Fallon, IL are:

What cities near O'Fallon, IL are hiring for Computer Scientist jobs?

Cities near O'Fallon, IL with the most Computer Scientist job openings:

Computer Scientist jobs near you
Infographic showing various Computer Scientist job openings in O'Fallon, IL as of August 2026, with employment types broken down into 100% Part Time. Highlights an 100% In-person job distribution, with an average salary of $103,861 per year, or $49.9 per hour.

Data Scientist with Security Clearance

Gateway Geospatial Group

Saint Louis, MO • On-site

Other

Re-posted 22 hours ago

Job description

About the role G3 is looking for a Data Scientist to develop methods for querying, visualizing, aggregating, correlating, and analyzing big data across intelligence disciplines. Optimize databases, expose new datasets, build custom tools, and apply mathematical concepts to solve complex geospatial intelligence analysis problems. Responsibilities * Develop methods for querying, visualizing, aggregating, correlating, and analyzing big data across intel disciplines * Optimize existing databases to speed up the query, input, export and visualization of data * Work with AOS and AOB teams to develop strategies for exposing new datasets and create migration plans for legacy datasets * Build custom solutions (tools, processes, etc.) to automate or assist analytic endeavors as submitted by AOS and AOB leadership and analytic units * Write scripts in Visual Basic, R, Python or other software for statistical models using large datasets to extract patterns, relationships, and anticipatory behaviors that are repeatable, efficient, and enable hypothesis testing and knowledge capture * Use mathematical concepts and techniques to solve complex GEOINT analysis problems * Utilize ArcGIS, Excel, SPSS, SAS, MATLAB, R and other statistical packages to analyze and visualize operational data * Visualize data both temporally and spatially to assist in data integrity checks, prepare follow-on analysis, ask the next question, and display analytical assessments * Maintain, move and manipulate data between applications using SQL databases, ArcServer, table data, relational/NoSQL DBMS, Excel, Access, Tableau, Insights, Oracle * Develop tradecraft techniques and training solutions for discovery, preparation, manipulation and normalization of big data so that methods are repeatable and can be explained to users Required qualifications * Active TS/SCI security clearance * Bachelor's degree in Computer Science, Mathematics, Statistics, or related technical field required; Master's degree preferred * 3+ years of experience in data science, data analysis, or related field * Strong proficiency in SQL and relational database concepts * Experience with statistical programming languages such as R, Python, MATLAB * Knowledge of geospatial analysis concepts and tools such as ArcGIS * Familiarity with big data technologies like Hadoop, Spark, NoSQL databases * Excellent problem-solving skills and ability to develop innovative solutions * Strong verbal and written communication skills Preferred qualifications * 5+ years of experience in data science, preferably in the intelligence community * Experience working with geospatial intelligence data and products * Knowledge of NGA's mission, organization, and functions * Familiarity with IC data sources, tools, and analytic methodologies * Experience developing and deploying machine learning models * Ability to collaborate effectively in cross-functional teams * Strong leadership skills and ability to mentor junior analysts

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