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Senior Python Data Analysis Jobs in St Louis, MO

Senior Data Engineer

Hazelwood, MO

$100K - $135K/yr

Build systems that enable conducting data analysis and exploration to identify patterns, trends ... Python, Julia, R, C, C++, C#, Java. * Experience leading technical teams or projects Preferred ...

Senior Data Engineer

Hazelwood, MO · On-site

$100K - $135K/yr

Build systems that enable conducting data analysis and exploration to identify patterns, trends ... Python, Julia, R, C, C++, C#, Java. * Experience leading technical teams or projects Preferred ...

Senior Data Engineer

Hazelwood, MO · On-site

$100K - $135K/yr

Build systems that enable conducting data analysis and exploration to identify patterns, trends ... Python, Julia, R, C, C++, C#, Java. * Experience leading technical teams or projects Preferred ...

Showing results 41-60

Senior Python Data Analysis information

See St Louis, MO salary details

$53.5K

$138K

$189.6K

How much do senior python data analysis jobs pay per year?

As of Aug 8, 2026, the average yearly pay for senior python data analysis in St. Louis, MO is $138,032.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,100.00 and $159,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior Python data analyst?

To thrive as a Senior Python Data Analyst, you need an in-depth understanding of data analysis, statistical modeling, and advanced Python programming, typically supported by a degree in a quantitative field. Proficiency with data analysis libraries (like pandas, NumPy, and SciPy), visualization tools (such as Matplotlib and Seaborn), and experience with SQL databases are essential, and certifications like Microsoft Certified: Data Analyst Associate can be beneficial. Strong problem-solving abilities, effective communication, and the capacity to distill complex data insights for stakeholders are critical soft skills. These competencies enable you to extract actionable insights from large datasets, drive data-informed decision-making, and collaborate effectively across teams.

What is the difference between Senior Python Data Analysis vs Data Scientist?

AspectSenior Python Data AnalysisData Scientist
Required SkillsPython, SQL, data visualization, statistical analysisPython, R, machine learning, statistical modeling
Work EnvironmentData analysis teams, business unitsResearch, product development, analytics teams
Industry UsageBusiness intelligence, finance, marketingTech, healthcare, finance, research
CertificationsPython certifications, data analysis coursesData science certifications, machine learning courses

While both roles involve Python and data handling, Senior Python Data Analysts focus on interpreting data and creating reports for business decisions, whereas Data Scientists develop predictive models and advanced algorithms to extract deeper insights. The roles often overlap, but Data Scientists typically require broader skills in machine learning and statistical modeling.

What are some common challenges senior Python data analysts face when working with large datasets, and how can they overcome them?

Senior Python Data Analysts often encounter difficulties such as slow processing speeds, memory limitations, and data quality issues when handling large datasets. To overcome these challenges, it's essential to leverage efficient libraries like pandas and Dask, utilize optimized data formats (such as Parquet), and implement batch processing or cloud-based solutions. Collaborating closely with data engineers and IT teams also helps ensure robust data pipelines and infrastructure. Regular code optimization and staying updated on best practices can further enhance performance when working at scale.

What is a senior Python data analyst?

A Senior Python Data Analyst is an experienced professional who uses Python programming to collect, process, and analyze large sets of data. They are responsible for extracting meaningful insights from data to support business decisions, often using libraries like pandas, NumPy, and matplotlib. In addition to technical skills, they also apply statistical analysis and data visualization techniques, and frequently mentor junior analysts or collaborate with data scientists and engineers. Their role may also involve developing automated data pipelines and ensuring data quality across projects.
What are the most commonly searched types of Python Data Analysis jobs in St. Louis, MO? The most popular types of Python Data Analysis jobs in St. Louis, MO are:
What job categories do people searching Senior Python Data Analysis jobs in St. Louis, MO look for? The top searched job categories for Senior Python Data Analysis jobs in St. Louis, MO are:
What cities near St. Louis, MO are hiring for Senior Python Data Analysis jobs? Cities near St. Louis, MO with the most Senior Python Data Analysis job openings:
Infographic showing various Senior Python Data Analysis job openings in St. Louis, MO as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $138,032 per year, or $66.4 per hour.

Senior Exploitation Specialist / Data Scientist with Security Clearance

Bart & Associates

Springfield, VA • On-site

Contractor

Medical, Dental, Vision, Life, Retirement, PTO

Posted 21 days ago


Job description

Senior Exploitation Specialist / Data Scientist: At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated these values into successful delivery for our customers since 1988. B&A believes in ensuring its employees feel deeply connected to B&A, recognizing successes and hard work, and providing continuous opportunities to learn and grow. Our people are entrepreneurial thinkers that combine mindset, vision, and experience to drive value – not only to us as an organization, but to the clients we support. We promote a collaborative culture with our clients, and with each other, as one team working towards a common vision. We’d love for you to join our team! Job Summary: B&A is looking for a Senior Exploitation Specialist / Data Scientist to join a contract with a federal government client in support of an important mission. We are seeking a Senior Exploitation Specialist (Data Scientist) to support NGA mission operations at an Analysis Office, NGA St. Louis (N2W) in Saint Louis, MO. As an Exploitation Specialist under the GEO-SPI B labor framework, the successful candidate transforms large and complex geospatial and intelligence data into mission-ready analytic products, automated workflows, and decision-advantage tools. This is a Senior-level (Level 4) position. The individual is expected to lead, integrate, define tasks, and validate work, demonstrating advanced knowledge and skills that have been proven in previous work. A Senior is fully capable of meeting all required services without direction, provides technical direction and quality control over lower-level personnel, advises Government leadership on processes and technology, and leads collaboration across NGA and Intelligence Community (IC) analysts to deliver synthesized analysis that is greater than the sum of its parts. Responsibilities: * Design and implement scalable, repeatable processes for large and complex datasets to identify trends, insights, and analytic discoveries.
* Script at a senior level in Python to build mission-ready solutions (experience with other languages and low-code/no-code tools such as JEMA, Brewlytics, or ArcGIS Model Builder is a plus, but Python is required).
* Translate analytic discoveries into visualizations that are easily integrated into daily operations.
* Provide analysis and/or data science directly supporting the intelligence mission.
* Operate in a high-tempo environment, developing and managing multiple projects and solutions simultaneously across various stages of implementation.
* Provide senior-level direction, quality control, and quality assurance over lower-level personnel, and lead collaboration across NGA and IC analysts to deliver synthesized analysis.
Education and Experience: * Experience: 10+ years of relevant experience.
* Education: Bachelor's degree in a related field.
Required Skills: * A background with intelligence experience, having provided analysis and/or data science directly supporting an intelligence mission.
* Ability to operate at a senior level and in an independent environment.
* Proficiency in creating processes around large data sets to identify analytical discoveries.
* Demonstrated proficiency designing and implementing scalable processes for large and complex datasets to identify trends, insights, and analytical discoveries.
* Ability to script at a senior level in Python (other languages and low-code/no-code programs such as JEMA, Brewlytics, or ArcGIS Model Builder are valuable, but Python is required).
* Ability to take analytic discoveries and deliver them through visualizations that are easily integrated into daily operations.
* Ability to operate in a high-tempo environment and develop and manage multiple projects and solutions at one time in various stages of implementation.
* Familiarity with common Intelligence Community (IC) data repositories.
Desired Skills: * Coding / computer programming, data management, and data service enabling.
* Data analytics, data conditioning, and data visualization.
* Geomatics and remote sensing expertise.
* Software expertise and integration across enterprise systems.
* Written communication and intelligence report writing.
* Quality assurance and mission issue expertise relevant to the supported office.
Security Clearance: * Active TS Clearance.
More About B&A: Notable Clients
B&A has grown to be a company that is trusted by our clients for exceptional service, innovative solutions, and inspired employees. Our service extends through federal, state, and local Government, the private sector, and higher education. Some of our notable clients include Department of Homeland Security, U.S. Customs and Border Protection, U.S. Senate, U.S. Courts, U.S. Census Bureau, U.S. Navy, and more. Benefits and Programs B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance. In addition to these benefits, B&A employees enjoy paid time off, B&A sponsored trainings and certifications, pet insurance benefits, commuter transit benefits and a free subscription to a virtual exercise platform (NEOU). B&A’s 401(k) plan is available to all employees and includes a company matching contribution. B&A has launched several programs to focus on employee engagement, wellness, and assistance. These include: * The B&A Cares program: 30/60/90-day wellness check ins, personal development, financial management, and stress management seminars, and more
* A formal mentorship program
* Job shadowing and cross training opportunities
* Brand Ambassador program
* Employee Assistance Program (EAP) - Access to various support resources to include counseling, legal guidance, financial planning, and more
* Monthly teambuilding events
* B&A Annual Wellness Challenges: #StepWithB&A, #WalkDuringLunchWithB&A, #VolunteeringWithB&A, #ExerciseDuringLunchWithB&A, and more
At B&A, we place significant importance on improving the communities and lives of citizens across the nation through our involvement, technology expertise, and employees. B&A puts an emphasis on charitable efforts in the Northern Virginia area, including Capital Area Food Bank pantry drives, book donations, Hope for Henry Foundation events, and many more. In recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. EEO B&A provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. B&A complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy covers conduct occurring at B&A’s offices, and other workplaces (including client sites) and all other locations where B&A is providing services, and to all work-related activities. EEO is the Law B&A participates in e-Verify. We provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee’s I-9 Form to confirm work authorization.