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Project Manager Jobs in O Fallon, IL (NOW HIRING)

Guarantee Electrical

Project Manager

Saint Louis, MO · On-site

Project Manager Location: Varies by project Business Unit: Mission Critical, Healthcare, Critical Infrastructure, Industrial, Low Voltage Systems, Facility Solutions Reports to: Senior Project ...

Focus Financial Partners

Project Manager

Saint Louis, MO · On-site

$90K - $1M/yr

The Project Manager ensures that project goals align with the organization's strategic objectives and delivers high-quality results, retrospectives, is responsible for driving the execution ...

Guarantee Electrical

Project Manager

Saint Louis, MO · On-site

Project Manager Location: Varies by project Business Unit: Mission Critical, Healthcare, Critical Infrastructure, Industrial, Low Voltage Systems, Facility Solutions Reports to: Senior Project ...

Brewster Companies

Project Manager

Maryville, IL · On-site

$75K - $125K/yr

Project Manager Brewster Companies Inc. is a family-owned and operated company that specializes in heavy civil and transportation construction. As a rapidly growing company, we are looking for ...

System Soft Technologies

Project Manager

Saint Louis, MO · On-site

$120K - $150K/yr

Project Manager Location: St. Louis, MO Employment Type: Full-Time, On-Site Status: Active - Interviews Underway Salary: $120,000 - $150,000 annually ( negotiable for exceptional candidates ) Vendor ...

Brewster Companies

Project Manager

Maryville, IL · On-site

$75K - $125K/yr

Project Manager Brewster Companies Inc. is a family-owned and operated company that specializes in heavy civil and transportation construction. As a rapidly growing company, we are looking for ...

Brewster Companies

Project Manager

Maryville, IL

Project Manager Brewster Companies Inc. is a family-owned and operated company that specializes in heavy civil and transportation construction. As a rapidly growing company, we are looking for ...

Collabera

Project Manager

Creve Coeur, MO

Title: Project Manager Duration: 6 month (may extend) Location: Creve Coeur, MO - 63141 Manager's note: The PM roles will be supporting networking projects and individuals with a networking ...

Cushman & Wakefield

Project Manager

Saint Louis, MO

Job Title Project Manager Summary Provides professional project management experience to designated projects and assignments at a client site, campus, and facilities. POSITION SUMMARY Provides ...

Horner & Shifrin, Inc.

Project Manager

Saint Louis, MO · On-site

$95K - $145K/yr

Horner & Shifrin is seeking a full-time Project Manager with 7+ years of experience to support our Power Delivery team, focused on Ameren transmission and distribution (T&D) projects. This role ...

MasTec Inc

Project Manager

East Saint Louis, IL

The Project Manager is directly responsible for all safety, financial, operations and administrative functions on high voltage utility projects. The Project manager will plan and execute the life ...

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Showing results 1-20

All JobsProject JobsProject Manager JobsProject Manager Jobs in O'Fallon, IL

Project Manager information

See O Fallon, IL salary details

$35.9K

$95.8K

$151.1K

How much do project manager jobs pay per year?

As of Jul 15, 2026, the average yearly pay for project manager in O'Fallon, IL is $95,782.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,200.00 and $114,700.00 per year, depending on experience, location, and employer.

How does a Project Manager typically collaborate with cross-functional teams during a project lifecycle?

Project Managers play a central role in coordinating efforts across various departments such as engineering, marketing, finance, and operations. They facilitate regular meetings, set clear expectations, and ensure all stakeholders are aligned on project goals, timelines, and deliverables. Effective communication and conflict resolution skills are crucial, as Project Managers often bridge gaps between different teams to keep the project on track. This collaborative approach helps to identify potential issues early and fosters a cohesive team environment.

What is the difference between Project Manager vs Business Analyst?

AspectProject ManagerBusiness Analyst
CertificationsPMP, CAPMCBAP, CCBA
Work EnvironmentLeads projects, manages teamsAnalyzes business needs, documents requirements
Industry UsageCommon in IT, construction, engineeringCommon in IT, finance, healthcare
Primary FocusProject delivery, timelines, budgetsBusiness process, requirements, solutions

The main difference between a Project Manager and a Business Analyst is their focus. Project Managers oversee project execution, timelines, and team coordination, while Business Analysts focus on understanding business needs and defining requirements. Both roles are essential in project success but serve different functions within the project lifecycle.

Do project managers need a degree?

While a bachelor's degree in fields like business, management, or related areas is common for project managers, it is not always mandatory. Many successful project managers gain experience through certifications such as PMP or CAPM and develop skills in leadership, organization, and communication. Employers may prioritize experience and certifications over formal education in some cases.

Which is better, PM or PMO?

A Project Manager (PM) is responsible for planning, executing, and closing individual projects, focusing on specific deliverables and team coordination. A Project Management Office (PMO) is a department that standardizes project management practices across an organization, providing governance, tools, and support. Both roles are important; a PM typically works within a PMO or independently, depending on the company's structure and size.

Are project managers well paid?

Project managers typically earn competitive salaries that vary based on industry, experience, and location. According to industry data, the median annual salary for project managers is often above average compared to other managerial roles, especially for those with certifications like PMP and experience managing complex projects.

What is the job for a project manager?

A project manager is responsible for planning, executing, and closing projects by defining scope, setting deadlines, allocating resources, and managing teams to meet project goals. They use tools like Gantt charts and project management software and often hold certifications such as PMP. Effective communication, leadership, and organizational skills are essential for success in this role.

What does a project manager actually do?

A project manager oversees the planning, execution, and completion of projects by coordinating teams, managing budgets, and ensuring deadlines are met. They use tools like Gantt charts and project management software and often hold certifications such as PMP. Their role involves communication, problem-solving, and risk management to deliver successful project outcomes.

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

To thrive as a Project Manager, you need strong organizational, leadership, and problem-solving skills, often supported by a degree in business or a related field and relevant project management experience. Familiarity with project management software (like Microsoft Project, Asana, or Jira) and certifications such as PMP or PRINCE2 are typically required. Excellent communication, adaptability, and conflict resolution skills help you lead diverse teams and manage stakeholder expectations. These skills ensure projects are delivered on time, within budget, and to the desired quality, driving organizational success.

What Do Project Managers Do?

Project managers coordinate tasks to complete a plan of action for their employer. Working on a team, the project manager oversees production from the planning stages through completion. Companies typically have project managers on staff, but some businesses may choose to hire an independent contractor to handle the job. As a project manager, you create plans, delegate responsibilities, supervise employees, and implement the project. Other job duties include creating a timeline and budget; once the project is underway, you monitor each step to ensure the project runs on time and does not overspend. You may also be responsible for handling communication with public agencies when necessary and providing status reports to upper management.

What does a Project Manager do?

A Project Manager is responsible for planning, organizing, and overseeing projects to ensure they are completed on time, within budget, and meet the required quality standards. They coordinate between different teams, manage resources, set deadlines, and handle any issues that arise during the project lifecycle. Project Managers also communicate progress to stakeholders and adjust plans as needed to achieve project goals.
More about Project Manager jobs
What are the most commonly searched types of Project jobs in O'Fallon, IL? The most popular types of Project jobs in O'Fallon, IL are:
What are popular job titles related to Project Manager jobs in O'Fallon, IL? For Project Manager jobs in O'Fallon, IL, the most frequently searched job titles are:
What cities near O'Fallon, IL are hiring for Project Manager jobs? Cities near O'Fallon, IL with the most Project Manager job openings:
Project Manager jobs near you
Infographic showing various Project Manager job openings in O'Fallon, IL as of July 2026, with employment types broken down into 90% Full Time, and 10% Contract. Highlights an 92% In-person, and 8% Hybrid job distribution, with an average salary of $95,782 per year, or $46 per hour.
Project Manager

Project Manager

Guarantee Electrical

Saint Louis, MO • On-site

Full-time

Posted 23 days ago

Job description

Project Manager

Location: Varies by project

Business Unit: Mission Critical, Healthcare, Critical Infrastructure, Industrial, Low Voltage Systems, Facility Solutions

Reports to: Senior Project Manager


Lead the Work. Build the Team. Deliver with Confidence.

Project Managers at Guarantee Electrical are trusted leaders responsible for delivering complex electrical construction projects that power essential infrastructure across the country. This role supports Mission Critical projects and may require full time presence on a job site depending on project needs.


Position Purpose

The Project Manager leads all aspects of project execution from planning through closeout, ensuring safety, quality, profitability, and client satisfaction. This role balances technical expertise, financial oversight, team leadership, and client relationships.


Key Responsibilities

  • Lead project teams with clear direction and accountability
  • Manage contracts, budgets, schedules, and resources
  • Oversee procurement, subcontractor performance, and change management
  • Maintain strong client relationships and communication
  • Ensure quality standards and safety expectations are met
  • Monitor financial performance and implement corrective actions
  • Support billing, forecasting, and reporting
  • Apply value engineering and risk mitigation strategies
  • Mentor and develop project team members

What You Bring

  • Strong leadership and decision making skills
  • Proven ability to manage complex construction projects
  • Financial acumen and contract knowledge
  • Clear communication with clients and internal teams
  • Ability to manage competing priorities effectively

Qualifications

  • Bachelor's degree in construction management, engineering, or related field
  • Five to eight years of construction experience with at least three years in project management
  • Demonstrated success managing projects of increasing complexity
  • Valid driver's license and ability to travel to project sites

Why Guarantee Electrical

Guarantee Electrical offers Project Managers more than responsibility. We offer influence, ownership, and a clear future.

As an employee-owned company, Project Managers have a direct connection between their leadership, project performance, and long-term financial success. You are empowered to think and act like an owner because you are one.

We believe in defined career paths that support advancement into senior leadership, larger project responsibility, or broader operational roles. You will know what success looks like and how to achieve it.

Our commitment to Living our Guarantees shapes how we lead teams and serve clients. We value strong relationships, honest communication, safety without compromise, and accountability at every level. You will lead in a culture that supports high standards while taking care of its people.


Guarantee Electrical is an Equal Opportunity Employer committed to building a diverse and inclusive team.