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Senior Data Analyst Jobs in O Fallon, IL (NOW HIRING)

Resource Innovations

Data Analyst

Saint Louis, MO · Remote

$54K - $80K/yr

Resource Innovations is seeking a Data Analyst to become a vital part of our team in St. Louis, MO or remotely. We're looking for a talented and driven individual with a robust background in data ...

Resource Innovations

Data Analyst

Saint Louis, MO · On-site +1

$54K - $80K/yr

Resource Innovations is seeking a Data Analyst to become a vital part of our team in St. Louis, MO or remotely. We're looking for a talented and driven individual with a robust background in data ...

Harris-Stowe State University

Data Analyst

Saint Louis, MO · On-site

$60K - $65K/yr

The Data Analyst plays a critical role in federal and state compliance (IPEDS), internal retention tracking, and supporting the University with data-driven insights into student success and faculty ...

The Timberline Group

Data Analyst

Saint Louis, MO

We seek the talent of a dynamic Data Analyst who seeks to bring their A game to a collaborative team of talented professionals. You are not afraid to make impact where your opinion matters in a ...

staffit solutions

Data Analyst

Saint Louis, MO · On-site

This position will be responsible for understanding and analyzing complex business & data requirements. Prepare detailed functional specifications that drive the design of data model and ETL ...

staffit solutions

Data Analyst

Saint Louis, MO · On-site

Company Description Description : • This position will be responsible for understanding and analyzing complex business & data requirements. • Prepare detailed functional specifications that drive ...

US Bank

Data Analyst

Saint Louis, MO · Hybrid

Bank is seeking an experienced Data Analyst to perform validation on our customer remediation events. This data-driven role performs validation in accordance with the Customer Remediation Policy.

BAE Systems USA

Data Eng Prin

Saint Louis, MO · On-site

$83.60K - $105.50K/yr

BAE Systems is looking for an experienced Senior Data Analyst/Regional Content Manager excited to provide vital analysis in support of the National Geospatial-Intelligence Agency mission. The ideal ...

Awetomaton Ltd

Senior Data Engineer

Saint Louis, MO · On-site

$103.10K - $140K/yr

... cost analytics and chargeback reporting. In this role, you will design and operate scalable data systems that transform raw data from Kubernetes platforms, AWS, and other internal sources into ...

Tech Resource Group

Data Analyst

Saint Louis, MO · On-site

Data Analyst Consulting firm with 10000+ employees & $10+ billion Revenue. Required Skills / Experience: • BS in Biology, Agronomy, Plant Sciences, or comparable work experience in Agriculture ...

Copeland

Senior Data Scientist

Saint Louis, MO · On-site +1

As a Senior Data Scientist, You Will * Apply machine learning, econometrics, and emerging AI ... Lead projects across multiple areas such as forecasting, supply chain analysis, simulation modeling ...

TEKsystems

Data Analyst (CJA)

Saint Louis, MO · Remote

$60 - $71/hr

Description Our customer is looking for a Sr. level data analyst with expertise in AEM and CJA.. Culture statement - Our team works collaboratively to set and follow standards across our individual ...

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Senior Data Analyst information

See O Fallon, IL salary details

$51.3K

$92.6K

$126.4K

How much do senior data analyst jobs pay per year?

As of May 28, 2026, the average yearly pay for senior data analyst in O'Fallon, IL is $92,563.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,200.00 and $101,200.00 per year, depending on experience, location, and employer.

What Does a Senior Data Analyst Do?

A senior data analyst develops and leads a team of data analysts in business or research projects. Job duties include consulting with other departments and management, conducting research using analytical tools, developing business solutions, and writing reports. Qualifications for a career as a senior data analyst include a bachelor’s degree in statistics, computer science, or a related field; job experience in data analytics; familiarity with data modeling languages such as R and Python; and leadership skills.

What are the key skills and qualifications needed to thrive as a Senior Data Analyst, and why are they important?

To thrive as a Senior Data Analyst, you need advanced analytical skills, a strong foundation in statistics, and experience with data modeling, typically supported by a relevant degree in mathematics, statistics, or computer science. Expertise in data visualization tools (like Tableau or Power BI), SQL, and programming languages such as Python or R is often required, along with familiarity with big data platforms. Outstanding problem-solving, communication, and stakeholder management skills set top performers apart. These competencies ensure accurate data-driven insights and effective collaboration with business teams to drive strategic decision-making.

What are some common challenges Senior Data Analysts face when collaborating with cross-functional teams?

Senior Data Analysts often work closely with departments such as product, marketing, and engineering to align data insights with business objectives. A common challenge is translating complex data findings into actionable recommendations for non-technical stakeholders. Additionally, balancing multiple priorities and managing expectations across teams can require strong communication and project management skills. Proactively building relationships and maintaining open lines of communication can help overcome these challenges and ensure successful collaboration.

What are Senior Data Analysts?

Senior Data Analysts are experienced professionals who collect, process, and analyze complex data sets to help organizations make data-driven decisions. They often lead analytics projects, design data models, and communicate findings to stakeholders using reports and visualizations. In addition to technical expertise with tools like SQL, Python, or R, they frequently mentor junior analysts and work closely with business leaders to identify opportunities for improvement. Their insights can drive strategy, optimize operations, and support organizational goals.

What is the difference between Senior Data Analyst vs Data Scientist?

AspectSenior Data AnalystData Scientist
Required CredentialsBachelor's degree in data-related field; experience in analytics toolsBachelor's or master's in data science, statistics, or related fields; often more advanced certifications
Work EnvironmentBusiness intelligence teams, analytics departmentsResearch teams, data science departments, R&D
Employer & Industry UsageFinance, healthcare, retail, tech companiesTech firms, startups, research institutions
Common Search & ComparisonOften compared for analytical roles with data scienceMore advanced, predictive modeling focus

The main difference between a Senior Data Analyst and a Data Scientist lies in their focus and skill set. Senior Data Analysts primarily handle data analysis, reporting, and visualization, while Data Scientists work on predictive modeling, machine learning, and advanced algorithms. Both roles require strong analytical skills, but Data Scientists typically have more technical expertise in programming and statistical modeling.

More about Senior Data Analyst jobs
What are the most commonly searched types of Data Analyst jobs in O'Fallon, IL? The most popular types of Data Analyst jobs in O'Fallon, IL are:
What cities near O'Fallon, IL are hiring for Senior Data Analyst jobs? Cities near O'Fallon, IL with the most Senior Data Analyst job openings:
Senior Data Analyst jobs near you
Infographic showing various Senior Data Analyst job openings in O'Fallon, IL as of May 2026, with employment types broken down into 1% As Needed, 94% Full Time, 4% Part Time, and 1% Contract. Highlights an 38% Physical, 3% Hybrid, and 59% Remote job distribution, with an average salary of $92,563 per year, or $44.5 per hour.