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

Consigli Construction

Project Engineer

Saint Louis, MO · On-site

Senior Project Manager / Project Executive / Director, Project Executive Supervisory Duties: Yes The Project Engineer (PE) will be primarily responsible for obtaining, distributing and reporting on ...

Consigli Construction

Project Engineer

Saint Louis, MO · On-site

Yes The Project Engineer (PE) will be primarily responsible for obtaining, distributing and reporting on critical project information to the project stakeholders. In this role, the PE will coordinate ...

Clayco

Project Engineer

Saint Louis, MO

The Role We Want You For The construction Project Engineer will be based on the construction project site and will service our clients in a multi-state region and may even travel across the country.

Clayco

Project Engineer

Saint Louis, MO · On-site

The Role We Want You For The construction Project Engineer will be based on the construction project site and will service our clients in a multi-state region and may even travel across the country.

Clayco

Project Engineer

Saint Louis, MO · On-site

The Role We Want You For The construction Project Engineer will be based on the construction project site and will service our clients in a multi-state region and may even travel across the country.

Clayco

Project Engineer

Saint Louis, MO · On-site

The Role We Want You For The construction Project Engineer will be based on the construction project site and will service our clients in a multi-state region and may even travel across the country.

Clayco

Project Engineer

Saint Louis, MO · On-site

The Role We Want You For The construction Project Engineer will be based on the construction project site and will service our clients in a multi-state region and may even travel across the country.

Clayco

Project Engineer

Saint Louis, MO · On-site

The Role We Want You For The construction Project Engineer will be based on the construction project site and will service our clients in a multi-state region and may even travel across the country.

Weaver Companies

Project Engineer

Saint Louis, MO · On-site

Experience in project management, engineering modeling, permitting, AutoCAD, surface water design, and construction document preparation is preferred. The position will be a technical resource to ...

Leonardo DRS

Project Engineer II

Bridgeton, MO

$116K - $157K/yr

As a Project Engineer level II at Leonardo DRS Land Systems, you will be responsible for leading all engineering efforts for a project or projects on time and budget. A successful candidate will be a ...

Leonardo DRS

Project Engineer II

Bridgeton, MO · On-site

$116K - $157K/yr

As a Project Engineer level II at Leonardo DRS Land Systems, you will be responsible for leading all engineering efforts for a project or projects on time and budget. A successful candidate will be a ...

Ben Hur

Project Engineer

Saint Louis, MO · On-site

$60K - $80K/yr

Coordinate with architects, engineers, and inspectors to ensure work meets all specifications and quality standards. * Support the Project Manager and Superintendent with daily project operations and ...

Ben Hur

Project Engineer

Saint Louis, MO · On-site

$60K - $80K/yr

Coordinate with architects, engineers, and inspectors to ensure work meets all specifications and quality standards. * Support the Project Manager and Superintendent with daily project operations and ...

Ben Hur Construction Co.

Project Engineer

Saint Louis, MO · On-site

$60K - $80K/yr

Coordinate with architects, engineers, and inspectors to ensure work meets all specifications and quality standards. * Support the Project Manager and Superintendent with daily project operations and ...

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

Project Engineer information

See O Fallon, IL salary details

$42K

$84.6K

$126.9K

How much do project engineer jobs pay per year?

As of Jul 15, 2026, the average yearly pay for project engineer in O'Fallon, IL is $84,553.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,000.00 and $96,500.00 per year, depending on experience, location, and employer.

What engineers make $300,000 a year?

Senior engineering roles such as petroleum engineers, aerospace engineers, and certain software engineers with extensive experience and specialized skills can earn $300,000 or more annually. These positions often require advanced certifications, leadership responsibilities, and work in high-demand industries like oil and gas, aerospace, or technology sectors.

What is the difference between Project Engineer vs Construction Manager?

AspectProject EngineerConstruction Manager
CredentialsBachelor's in engineering or related field, certifications like PMP or EIT often preferredBachelor's in construction management, civil engineering, or related; PMP certification common
Work EnvironmentOffice and site; supports project planning and technical tasksPrimarily on-site overseeing construction activities
Employer & Industry UsageEngineering firms, construction companies, project-based industriesConstruction firms, general contractors, large infrastructure projects
Common Search & ComparisonYesYes

The main difference between a Project Engineer and a Construction Manager lies in their focus and responsibilities. Project Engineers typically handle technical aspects, planning, and supporting project execution, often working closely with engineers and designers. Construction Managers oversee the entire construction process, managing teams, schedules, and budgets on-site. Both roles require similar credentials and are integral to construction projects, but their day-to-day tasks and focus areas differ.

What engineers make $200,000 a year?

Senior engineers in fields such as petroleum, aerospace, and software engineering often earn $200,000 or more annually, especially with extensive experience, advanced skills, and relevant certifications. These roles typically require specialized knowledge, leadership responsibilities, and often involve working in high-demand industries or managerial positions.

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

To thrive as a Project Engineer, you need a solid background in engineering principles, project management, and a relevant engineering degree. Familiarity with CAD software, project scheduling tools like MS Project or Primavera, and certifications such as PMP or PE are often required. Strong problem-solving, communication, and leadership skills help you coordinate teams and manage project challenges effectively. These skills and qualifications are critical for delivering projects on time, within budget, and to the required quality standards.

How does a Project Engineer typically collaborate with other departments during a project?

Project Engineers play a central role in coordinating between engineering, procurement, and construction teams to ensure project objectives are met. They regularly communicate with design engineers to clarify technical requirements, work closely with procurement to source materials on schedule, and liaise with construction managers to address on-site challenges. Effective collaboration is essential for resolving issues quickly, maintaining timelines, and ensuring quality standards. This role often requires strong interpersonal skills and the ability to mediate between diverse teams to keep the project moving smoothly.

What Is a Project Engineer?

There are project engineer jobs in a variety of industries. The duties of this position vary depending on the industry. For example, in construction, a project engineer is a project manager. They may have a background in engineering or construction management. Typically, they manage all aspects of the progress and the day-to-day operations on a construction site. In manufacturing, project engineers work with both the design and the engineering teams to develop and manage a manufacturing process, including overseeing the budget and deliverables. All project engineering positions require industry-specific technical knowledge and management skills.

What exactly does a project engineer do?

A project engineer oversees technical aspects of construction or engineering projects, coordinating between design teams, contractors, and clients to ensure project specifications, schedules, and budgets are met. They often review plans, manage resources, and use tools like project management software to track progress. Strong communication, problem-solving skills, and relevant certifications are typically required.

What engineer makes $500,000 a year?

While most engineering roles do not reach a $500,000 annual salary, some highly specialized or executive-level engineers, such as senior petroleum engineers, aerospace engineers in leadership positions, or those working in high-paying industries like oil and gas or private aerospace firms, can earn this level of compensation. These roles often require advanced skills, extensive experience, and sometimes additional bonuses or stock options.

What are Project Engineers?

Project Engineers are professionals who oversee and coordinate technical aspects of engineering projects from conception to completion. They work closely with project managers, engineers, and other stakeholders to ensure that projects are delivered on time, within budget, and according to specifications. Their responsibilities often include planning, scheduling, budgeting, resource allocation, and problem-solving. They also ensure compliance with safety regulations and quality standards throughout the project lifecycle.
More about Project Engineer jobs
What job categories do people searching Project Engineer jobs in O'Fallon, IL look for? The top searched job categories for Project Engineer jobs in O'Fallon, IL are:
What cities near O'Fallon, IL are hiring for Project Engineer jobs? Cities near O'Fallon, IL with the most Project Engineer job openings:
Project Engineer jobs near you
Electrical Project Engineer

Electrical Project Engineer

Birch Creek Energy

Saint Louis, MO • On-site, Remote

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 16 days ago

Job description

Birch Creek Energy, a utility-scale solar development company with projects throughout the United States, is seeking an experienced Electrical Project Engineer who thrives in our team-oriented culture and shares our mission to create a future with more renewable energy.

Birch Creek was ranked #3 on Inc. 5000's list of Fastest Growing Companies in 2023.


Our headquarters is in St. Louis, with an additional office location in Los Angeles. The ability to work from our STL or LA office is a plus factor, but remote-work candidates are also welcomed.


Job Overview:

  • Reporting to the Sr Director of Execution Engineering, the Electrical Project Engineer is responsible for managing engineering from late-stage development through completion of construction. This position is an integral part of executing Birch Creek Energy's 13 GW of solar and battery storage project pipeline in multiple states throughout the U.S.
  • Through design review and construction support, the Electrical Project Engineer will ensure that projects are designed and constructed to meet Birch Creek's technical specifications.
  • Additionally, the Electrical Project Engineer will provide support to various teams at Birch Creek including Procurement, Execution Project Management, and Project Finance as projects move through design, financing, and construction.

Day to Day Responsibilities:

  • Create Single Line Diagrams for Interconnection Applications that meet ISO technical requirements and integrates Owner preferred equipment.
  • Create tracker and fixed tilt layouts in AutoCAD using PVCase.
  • Run PVsyst energy models using Owner Input Standards.
  • Create single line diagrams and preliminary drawings in AutoCAD with supporting calculations excel.
  • Have a detailed understanding of project Interconnection Agreements and utility and ISO/RTO technical requirements for interconnection equipment and design standards.
  • Attend utility and ISO/RTO project specific and stakeholder meetings, monitor interconnection execution progress.
  • Review and provide input for EPC Agreement and Equipment Purchase Agreement technical exhibits.
  • Review and comment on 30%, 60%, 90% and IFC design packages from Electrical, Substation, SCADA, and Mechanical design disciplines.
  • Coordinate with Project Finance during Independent Engineer (IE) review and investor diligence
  • Host project design meetings with EPCs and consultants.
  • Support the EPC RFP process by creating technical exhibits, reviewing proposals, responding to RFPs, and reviewing equipment submittals.
  • Work with local internet service providers to setup up internet for each project.
  • Manage the basis of design and specification documents to provide updates based on project specifics and lessons learned.
  • Complete technical specs for Owner supplied equipment like HV breakers, GSU, modules, reclosers, meters etc and review subsequent vendor submittals.
  • Occasionally attend site walks with EPC during detailed design phase.
  • Complete equipment reviews and provide RFI support during construction
  • Review construction photos and documentation to identify any potential quality issues.
  • Evaluate MC, SC, and Final completion documentation.

Knowledge & Skills

  • Working knowledge of the solar and BESS design process
  • Understanding of the NEC, NESC, NFPA 855, IEEE 2800, and IEEE 1547
  • Ability to draft in AutoCAD
  • Ability to use Electrical Engineering software like ETAP and PVsyst
  • Excellent knowledge of interconnection process
  • Ability to establish strong relationships with EPCs
  • Proven problem solving and negotiation skills.
  • Excellent verbal and written communication skills.
  • Ability to exercise discretion and independent judgment.
  • General knowledge of technical standards applicable to the project interconnection design.

Experience & Education

  • Bachelor's degree in Electrical Engineering.
  • Minimum of 4 years of related project engineer experience
  • Experience with AutoCAD, ETAP, and PVsyst
  • PE in Electrical Engineering is desired but not required
  • If you don't meet 100% of the above qualifications but see yourself contributing, please submit your resume.

Compensation and Benefits:

  • Competitive salary and bonus.
  • Comprehensive benefits package, including health, dental, and vision insurance, 401(k), and paid time off.
  • Opportunity to work with an innovative and mission-driven company.
  • Career growth and development opportunities in a fast-growing company and industry.


The competitive salary rate for the successful candidate will depend on geographic location, skills, relevant and demonstrated experience, education, training and certifications, and other factors permitted by law. This role is eligible to earn an annual cash bonus, subject to personal and company performance goals.

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