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

Therakos

Gross to Net Payment Senior Analyst

Hazelwood, MO · Hybrid

$80K - $100K/yr

The Senior Analyst responds to inquiries from customers and the business and is the main contact for payment questions involving his/her assigned customers and the related Accounts Receivable.

BJC HealthCare

Senior Analyst - Accounting

Saint Louis, MO · Remote

$75K - $94K/yr

Additional Information About the Role BJC is seeking a Senior Analyst - Accounting to support financial analysis and reporting initiatives. This role will work extensively with large data sets ...

MANTECH

Senior GEOINT Analyst

Saint Louis, MO · On-site

$85K - $112K/yr

MANTECH seeks a motivated, career and customer-oriented Senior GEOINT Analyst to join our team in St. Louis, MO! Job duties include, but are not limited to: * Conduct GEOINT analysis on national ...

MANTECH

Senior GEOINT Analyst

Saint Louis, MO · On-site

$85K - $112K/yr

MANTECH seeks a motivated, career and customer-oriented Senior GEOINT Analyst to join our team in St. Louis, MO! Job duties include, but are not limited to: * Conduct GEOINT analysis on national ...

MANTECH

Senior GEOINT Analyst

Saint Louis, MO · On-site

$85K - $112K/yr

MANTECH seeks a motivated, career and customer-oriented Senior GEOINT Analyst to join our team in St. Louis, MO! Job duties include, but are not limited to: * Conduct GEOINT analysis on national ...

MANTECH

Senior GEOINT Analyst

Saint Louis, MO · On-site

$85K - $112K/yr

MANTECH seeks a motivated, career and customer-oriented Senior GEOINT Analyst to join our team in St. Louis, MO! Job duties include, but are not limited to: * Conduct GEOINT analysis on national ...

KBR, Inc

Sr Acquisitions Analyst SME

Belleville, IL · On-site

$100 - $150/hr

## Sr Acquisitions Analyst SMEApplylocations: Belleville, Illinoistime type: Full timeposted on: Posted Todayjob requisition id: R2124833**Title:**Sr Acquisitions Analyst SME***Belong. Connect. Grow ...

Stifel

Manager Research Sr Analyst

Saint Louis, MO · On-site +1

$112K - $113K/yr

The Manager Research Sr. Analyst significantly contributes to the quantitative and fundamental research activities related to three product universes - Mutual Funds (MFs), Separately Managed Accounts ...

Stifel

Manager Research Sr Analyst

Saint Louis, MO · On-site

$112K - $113K/yr

What You'll Be Doing The Manager Research Sr. Analyst significantly contributes to the quantitative and fundamental research activities related to three product universes - Mutual Funds (MFs ...

Stifel

Manager Research Sr Analyst

Saint Louis, MO · On-site +1

$112K - $113K/yr

What You'll Be Doing The Manager Research Sr. Analyst significantly contributes to the quantitative and fundamental research activities related to three product universes - Mutual Funds (MFs ...

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Showing results 1-20

All JobsAnalyst JobsSenior Analyst JobsSenior Analyst Jobs in O'Fallon, IL

Senior Analyst information

See O Fallon, IL salary details

$45.2K

$95.6K

$121.7K

How much do senior analyst jobs pay per year?

As of Sep 3, 2026, the average yearly pay for senior analyst in O'Fallon, IL is $95,638.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,100.00 and $108,700.00 per year, depending on experience, location, and employer.

What is a senior analyst?

Senior Analysts are experienced professionals who collect, process, and interpret complex data to help organizations make informed decisions. They often lead analysis projects, develop strategies based on their findings, and may mentor junior analysts. Senior Analysts typically specialize in a particular field, such as finance, business, or data analytics, and are valued for their expertise in identifying trends and providing actionable recommendations. Their work supports organizational goals and can drive improvements in efficiency and profitability.

How does a senior analyst typically collaborate with cross-functional teams within an organization?

Senior Analysts frequently work alongside teams such as finance, IT, marketing, and operations to gather data, analyze trends, and provide actionable insights. They often act as a bridge between technical experts and business stakeholders, translating complex data findings into clear recommendations. This collaborative environment requires strong communication skills and the ability to manage multiple priorities while ensuring stakeholders’ needs are met. Regular meetings, presentations, and collaborative problem-solving sessions are common aspects of the role.

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

To thrive as a Senior Analyst, you need advanced analytical skills, strong problem-solving abilities, and a relevant degree in fields such as finance, business, or data science. Expertise in data analysis tools like Excel, SQL, and business intelligence platforms, along with certifications such as CFA or CBIP, is often expected. Superior communication, critical thinking, and project management skills help Senior Analysts present insights clearly and collaborate effectively with stakeholders. These competencies ensure accurate data-driven decisions and drive organizational success in a competitive business environment.

What is the difference between Senior Analyst vs Data Analyst?

AspectSenior AnalystData Analyst
Required CredentialsBachelor's degree, often some certifications or specialized trainingBachelor's degree, often certifications in data tools
Work EnvironmentCorporate, consulting, finance, or tech industriesBusiness, marketing, healthcare, and tech sectors
Employer & Industry UsageUsed across industries for complex analysis rolesCommon in data-driven roles across industries

The main difference between a Senior Analyst and a Data Analyst lies in experience level and scope. Senior Analysts typically handle more complex projects, provide strategic insights, and may mentor junior staff. Data Analysts focus on collecting, processing, and analyzing data to support business decisions. Both roles require similar educational backgrounds and certifications, but Senior Analysts usually have more experience and responsibilities.

How much is a senior analyst paid?

The average salary for a senior analyst typically ranges from $70,000 to $110,000 annually, depending on industry, location, and experience. Senior analysts often have advanced skills in data analysis, reporting tools, and industry knowledge that can influence compensation.

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

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

What cities near O'Fallon, IL are hiring for Senior Analyst jobs?

Cities near O'Fallon, IL with the most Senior Analyst job openings:

Senior Analyst jobs near you
Infographic showing various Senior Analyst job openings in O'Fallon, IL as of August 2026, with employment types broken down into 85% Full Time, 11% Part Time, and 4% Contract. Highlights an 79% Physical, 8% Hybrid, and 13% Remote job distribution, with an average salary of $95,638 per year, or $46 per hour.

Medical Sr. Analyst - Government & Public Services

Deloitte

Saint Louis, MO • On-site

$85K - $113K/yr

Full-time

Posted 22 days ago

Deloitte rating

8.2

Company rating: 8.2 out of 10

Based on 93 frontline employees who took The Breakroom Quiz

46th of 152 rated financial services

Job description

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