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At MCC, an Intern works during the summer and has the opportunity to assist Project Managers with the following: Estimating- Describing project proposals and assigning dollar values to the projects. Because MCC is committed to creating opportunities for individual success, from day one, you will be given the tools to excel in your role, take on meaningful responsibilities, and experience why MCC is truly the best place to build your career.

Arco Construction

Project Manager Intern (Summer 2027)

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FULL_TIME

About This Business Unit: The Energy & Industrial Group (EIG) specializes in delivering advanced engineering solutions across various sectors, including power generation, environmental compliance, oil & gas, and industrial projects, from new plant design to plant betterment and upgrade services for operating facilities. We excel in detailed engineering services for photovoltaic (PV) solar projects and energy storage integration, and lead the industry in carbon capture technologies, managing projects from conceptual studies, pilot demonstrations and through commercial scale implementation for utilities and industrial plants.

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Sargent & Lundy

Electrical Project Designer -- Energy & Industrial

[AW]-iCims

From furniture and workplace technology to architectural products and artwork, we collaborate with top Design and Architectural firms, Commercial Real Estate professionals, and General Contractors to bring our clients' visions to life. You'll collaborate with Workplace Consultants, Designers, clients, vendors, and service providers––making a direct impact on CI Select's reputation for quality and innovative wall solutions.

CI Select

Project Manager - Falkbuilt

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We excel in detailed engineering services for photovoltaic (PV) solar projects and energy storage integration, and lead the industry in carbon capture technologies, managing projects from conceptual studies, pilot demonstrations and through commercial scale implementation for utilities and industrial plants. The Energy & Industrial Group (EIG) specializes in delivering advanced engineering solutions across various sectors, including power generation, environmental compliance, oil & gas, and industrial projects, from new plant design to plant betterment and upgrade services for operating facilities.

Sargent & Lundy LLC

Electrical Project Designer Energy & Industrial

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With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Own acceptance and quality gates - Run the traceability matrix and merge/acceptance gates: GC/GR byte-identical parity, arithmetic that reconciles to the cent, permission matrix with API-level redaction checks, concurrency, migrations, manual browser verification, and E2B Hub no-regression and read-only enforcement.

Clayco

Project Manager, Preconstruction OS

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ADAPTED_NOW

With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations.

Project Manager, Engineering

At MCC, an Intern works during the summer and has the opportunity to assist Project Managers with the following: Estimating - Describing project proposals and assigning dollar values to the projects. Design meetings - Attend design meetings with owner and team to understand design proposals from structural engineers and architects.

ARCO Construction Company Inc

Project Manager Intern Summer 2027

Work with Project Sales Representative before project development; take the project from sales through development into execution; maintain communication with Project Sales Representative over the course of the project, and document changes that affect the job scope, schedule, or budget agreement. NETWORK - Barnhart has built teams that form one of our industry's strongest networks of talent and resources with over 55 branch locations across the U.S. working together to serve our customers.

Barnhart Crane & Rigging Co

Project Manager

Responsibilities range from project set up, project buy out, contract execution and compliance, material and equipment procurement, daily progress tracking, Project safety compliance, material and equipment invoice approval, manpower timesheet approval, responsible for project sequencing and scheduling, maintaining and updating schedules, coordination and communication with GC, extra work and change order distribution/tracking, coordination with Operation managers to secure adequate manpower, weekly cost report job forecasting, overall project fiscal responsibility. Concrete Strategies is a full-service national concrete contractor with the in-house resources and expertise to safely self-perform a wide variety of commercial construction including all aspects of cast in place concrete, precast erections, and concrete restoration.

Project Director

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

Project Architect - Mission Critical

ECS is currently ranked #60 in Engineering News-Record's Top 500 Design Firms (April 2026), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #38 in Zweig Group's Hot Firm List (June 2026). The Environmental Project Manager manages environmental consulting projects of low to moderate complexity through all phases of execution, including planning, staffing, technical delivery, client communication, and financial management.

Why ECS? We have grit. What does that mean for you? We are problem solvers who approach obstacles with a fearless attitude. From trekking knee deep through swamplands to rappelling off of buildings, we do whatever it takes to safely get the job done! We have guts. The footprint of our company allows us to be nimble. With exceptional expertise and locations across the nation, we have the strength to support your project. We are resilient. We will ask the right questions, listen to your concerns and deliver. The opportunities to collaborate and think outside the box are infinite.  We take initiative. The work we do sometimes does not have an easy solution. It takes drive, determination and the ability to connect people and ideas to achieve remarkable results.   We bring tenacity. To put it plainly, we provide geotechnical engineering, construction materials testing, environmental consulting, and facilities engineering services. From conception to completion, our boots are made for working.
 
To find out more about ECS: <a href="http://www.ecslimited.com">www.ecslimited.com</a>

Engineering Consulting Services Ltd

Environmental Project Manager

Oversee and monitor cross-functional teams of technical professionals and subject matter experts to execute project work on mid-level and/or multiple concurrent projects, including budgets, tracking hours and expenses, task completion, cost and quantities of materials/equipment/labor, deliverables, compliance documentation, and managing the contractual obligations to deliver the project(s) as defined in the contract. In this role you will provide high level technical project leadership, and guidance with managing the administrative, commercial, and technical components of assigned project(s) or portfolio of projects in accordance with WSP's core values, and the level of project services agreed upon in the contract by WSP and the client(s).

WSP Global Inc

Project Manager - Power & Energy

This role functions similarly to a traditional construction Project Manager but is intentionally narrower and deeper —focused solely on GR/GC scopes such as site services, temporary facilities, logistics support, trailers, tents, and other specialty self-perform services. We are seeking a National / STL General Requirements Project Manager to lead jobsite logistics, manpower coordination, contract administration, financial tracking, and billing for this growing operation with project ranging from $2million to over $200million.

SiteForce Project Manager

WSP USA is providing the compensation range that the company in good faith believes it might pay and offer for this position, based on the successful applicant's education, experience, knowledge, skills, abilities in addition to internal equity and specific geographic location. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of WSP and WSP will have the right to hire that candidate without reservation - no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.

Project Controls Specialist

With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. The Quality Manager will review project documents during the design phases of the project, follow up and assist with the hand-off of the project to the site construction team to facilitate the transfer knowledge of the project’s unique challenges and requirements, and provide field observations to validate that the work is meeting the expectations.

Architectural Quality Manager

As needed, serve as mentor and trainer for Level I and Level II Superintendents Carry out supervisory responsibilities in accordance with the organization's policies and applicable laws Able to negotiation Change Orders Ensure site has proper materials ordered and scheduled inspections as necessary Maintain construction schedule, identify and solve problems Maintain an organized job site, including the construction office Use and maintain schedules to measure time and production to meet requirements Keep records in a systematic, well-organized fashion Ensure that proper documentation has been completed, hard copies and electronic copies maintained in a well-organized manner as defined in the scope of the project requirements Seek ways to improve on productivity analysis provided by Project Manager Ability to communicate effectively in both oral and written form to large employee groups, owners or engineers Maintain and enforce discipline throughout the jobsite Maintain a professional appearance and positive relationships with customers, contractors, suppliers and other employees Interview, hire, and train direct reports, plan, assign and direct work, appraise performance; reward and discipline employees, address complaints and resolve problems. Responsibilities Promote and comply with all Company and safety policies and procedures Must be able to perform all the duties required of a Level I and II Superintendent in addition to Level III Superintendent duties Supervise overall direction, coordination, performance and evaluation of sub-contractors and field staff Coordinate and supervise construction activities.

MasTec Inc

General Superintendent - Data Center - Traveler

Prepares final models/drawings by studying sketches, specifications, and supporting documents; preparing drawings of the structural system; generating bills of materials; drawing multiple views; identifying dimensions, angles, curvatures, tolerances, and materials. Prepares accurate concrete erection or casting drawings by studying client specifications and working with the project design team; develops 3D graphic representation of the physical, functional, and aesthetic requirements of all components of a project.

VDC/BIM Technician

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

Miscellaneous Metals Estimator, Steel Procurement

This position provides the opportunity to exercise your entrepreneurial spirit, serve as a technical leader and project manager, and contribute to the continued growth of an industry-leading environmental engineering practice. Burns & McDonnell, with world headquarters in Kansas City, MO, is seeking an experienced Solid Waste Engineer to help lead and grow our solid waste management business in the Ohio Valley.

Burns & McDonnell

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Design & conduct on-site training required for project specific Safety & Health subjects to ensure compliance with the site specific Safety & Health Program and ensuring that the project training addresses all concerns with project personnel and subcontractors. The Senior Corporate Safety & Health Specialist is responsible for leading the execution of the Burns & McDonnell Safety & Health program in conjunction with the Site Safety Management team and Corporate Offices.

Construction Engineer Jobs in Saint Louis, MO

Project Manager Intern (Summer 2027) Arco Construction

Electrical Project Designer -- Energy & Industrial Sargent & Lundy

Project Manager - Falkbuilt CI Select

Electrical Project Designer Energy & Industrial Sargent & Lundy LLC

Project Manager, Preconstruction OS Clayco

Project Manager, Engineering Clayco

Project Manager Intern Summer 2027 ARCO Construction Company Inc

Project Manager Barnhart Crane & Rigging Co

Project Director Clayco

Project Architect - Mission Critical Clayco

Environmental Project Manager Engineering Consulting Services Ltd

Project Manager - Power & Energy WSP Global Inc

SiteForce Project Manager Clayco

Project Controls Specialist WSP Global Inc

Architectural Quality Manager Clayco

General Superintendent - Data Center - Traveler MasTec Inc

VDC/BIM Technician Clayco

Miscellaneous Metals Estimator, Steel Procurement Clayco

solid-waste-lead Burns & McDonnell

senior-corporate-safety-health-specialist-power Burns & McDonnell

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