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

System One

Sr. Business Analyst - TS/SCI

Saint Louis, MO · On-site

$89K - $116K/yr

Job Title: Sr. Business Analyst Location: St. Louis, Missouri Type: Contract To Hire Contractor ... A proven track record of managing large-scale, cross-functional projects and initiatives, including ...

System One

Sr. Business Analyst - TS/SCI

Saint Louis, MO · On-site

$89K - $116K/yr

Job Title: Sr. Business Analyst Location: St. Louis, Missouri Type: Contract To Hire Contractor ... A proven track record of managing large-scale, cross-functional projects and initiatives, including ...

3B Staffing LLC

SAP FICO Analyst

Saint Louis, MO · On-site

$55.25 - $71.25/hr

Sr. SAP FICO Analyst Need to be located near St. Louis, MO OR Shelton, CT (2 days onsite) 6-12 ... More functional side, user facing, user testing * Energetic, curious, not just a task taker * *For ...

3B Staffing LLC

SAP FICO Analyst

Saint Louis, MO · On-site

$55.25 - $71.25/hr

Sr. SAP FICO Analyst Need to be located near St. Louis, MO OR Shelton, CT (2 days onsite) 6-12 ... More functional side, user facing, user testing * Energetic, curious, not just a task taker * *For ...

Cass Information Systems

Sr Business Analyst IT

Bridgeton, MO · On-site

$87K - $113K/yr

The Sr. IT Business Analyst (BA) leads requirements engineering and business analysis across complex Agile programs, partnering with Product Owners, architects, and cross-functional teams to design ...

Cass Information Systems

Sr Business Analyst IT

Bridgeton, MO · On-site

$87K - $113K/yr

The Sr. IT Business Analyst (BA) leads requirements engineering and business analysis across complex Agile programs, partnering with Product Owners, architects, and cross-functional teams to design ...

Cushman & Wakefield

Senior Business Analyst

Saint Louis, MO · On-site

$89K - $116K/yr

Job Title Senior Business Analyst Summary As a Senior Business Analyst, you will play a pivotal ... Cross-Functional Collaboration : Work with teams across Technology, Marketing, Operations, and ...

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All JobsFunctional Analyst JobsSenior Functional Analyst JobsSenior Functional Analyst Jobs in O'Fallon, IL

Senior Functional Analyst information

See O Fallon, IL salary details

$51.8K

$117.4K

$173K

How much do senior functional analyst jobs pay per year?

As of Sep 4, 2026, the average yearly pay for senior functional analyst in O'Fallon, IL is $117,387.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,900.00 and $149,200.00 per year, depending on experience, location, and employer.

How does a senior functional analyst collaborate with cross-functional teams during a project lifecycle?

A Senior Functional Analyst typically serves as a bridge between business stakeholders and technical teams. They collaborate closely with project managers, developers, testers, and end-users to ensure that business requirements are accurately captured and translated into technical solutions. Throughout the project lifecycle, they facilitate workshops, document functional specifications, and participate in design and testing phases to validate that the final deliverables meet business needs. This role requires strong communication skills and the ability to balance competing priorities across various teams.

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

To thrive as a Senior Functional Analyst, you need expertise in business process analysis, requirements gathering, and solution design, generally supported by a relevant degree and experience in business or IT. Familiarity with enterprise resource planning (ERP) systems, business analysis tools, and certifications such as CBAP or PMI-PBA are commonly required. Strong communication, problem-solving, and stakeholder management skills help you bridge the gap between technical teams and business users. These skills and qualities are essential to ensure successful project outcomes, efficient system implementations, and alignment between business objectives and IT solutions.

What is the difference between Senior Functional Analyst vs Business Analyst?

AspectSenior Functional AnalystBusiness Analyst
Required CredentialsBachelor's degree in IT, Business, or related field; often certifications like CBAP or IIBABachelor's degree in Business, IT, or related; certifications like CBAP or PMI-PBA are common
Work EnvironmentTypically in IT or software development projects, collaborating with technical teamsPrimarily in business units, liaising between stakeholders and technical teams
Employer & Industry UsageUsed in IT, software, finance, and consulting firmsCommon across various industries including finance, healthcare, and technology

The main difference is that a Senior Functional Analyst focuses more on detailed functional specifications and technical collaboration, while a Business Analyst emphasizes understanding business needs and translating them into solutions. Both roles require similar credentials and often work together, but their primary focus and interactions differ.

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

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

Senior Functional Analyst jobs near you
Infographic showing various Senior Functional Analyst job openings in O'Fallon, IL as of August 2026, with employment types broken down into 1% Internship, 1% As Needed, 89% Full Time, 5% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $117,387 per year, or $56.4 per hour.

Sr. Business Analyst - TS/SCI

System One

Saint Louis, MO • On-site

$89K - $116K/yr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 14 days ago

Key responsibilities

  • Provide senior program and project management support, including developing strategic plans, policies, and SOPs.

  • Lead and advise on process improvement and re-engineering efforts, applying methodologies like Six Sigma and ITIL.

  • Craft and deliver executive-level briefings, talking points, and strategic project plans to guide senior leadership decisions.

Job description

Job Title: Sr. Business Analyst Location: St. Louis, Missouri Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: TS/SCI with ability to obtain polygraph within 90 days Responsibilities

  • Provide senior program and project management support, including the development of strategic plans, policies, and Standard Operating Procedures (SOPs).
  • Lead and advise on process improvement and re-engineering efforts, applying methodologies like Six Sigma and ITIL to modernize governance and business functions.
  • Craft and deliver executive-level briefings, talking points, and strategic project plans to guide senior leadership decisions.
  • Mentor team members on mission assurance, continuity planning, and the development of high-quality analytical products.
  • Provide expert-level support for data visualization tools like Tableau to support business functions and leadership requirements.
  • Support the design, development, and maintenance of SharePoint instances and other web-based tools, ensuring currency of information and refinement of utility.
  • Represent the directorate for User Interface (UI) development, coordinate with IT on corporate updates, and proactively address functionality issues.
  • Conduct in-depth analysis and assessment of metrics and data to provide actionable insights on organizational performance and strategic initiatives.
  • Assist in the creation, update, and implementation of organizational strategies, policies, and performance metrics to measure progress against goals.
  • Analyze, evaluate, and assess activities to develop recommendations for system and process improvements, optimization, and sustainment of GEOINT capabilities.
  • Establish performance measures, monitor metrics, and analyze results to identify and implement performance-based improvements.
  • Lead discussions at internal and external meetings, facilitate data-related working groups, and represent the organization to IC and DoD partners.
Requirements
  • A minimum of a Bachelor’s degree in business, or a related field.
  • A minimum of 12+ years of experience in a relevant field such as program management, GEOINT/IC operations, or cross-functional business analysis. In lieu of a degree, 15+ years of experience.
  • Strong leadership competencies with proven experience leading and directing diverse teams to achieve high-performance outcomes, including mentoring team members in complex subject areas.
  • Exceptional skills in oral and written communication, with a demonstrated ability to present complex strategies, data, and operational metrics to senior leadership and external partners.
  • A proven track record of managing large-scale, cross-functional projects and initiatives, including risk management, resource allocation, and stakeholder engagement.
  • Proven ability to translate complex data into strategic recommendations for executive decision-makers and analyze the outcomes of implemented strategies.
  • Advanced knowledge of business application software for presentations, word processing, and SharePoint-based websites, with experience with data visualization tools (e.g., Tableau) highly desirable.
  • Relevant certifications (e.g., ITIL, Six Sigma, CMMI, ISO) required for certain positions.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law. #M-2 #LI-CB5 Ref: #856-Baltimore-S1

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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