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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). Responsibilities include clearly documenting site observations for both construction materials testing (CMT) and geotechnical field work performed.

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

Geotechnical Assistant Staff Project Manager (Entry-Level)

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Mortenson is currently seeking a Project Administrator to join our Power Delivery Services Group with the ability to work well with a variety of staff at all levels in an ever-changing environment, remaining flexible, inventive, enthusiastic, and efficient with a high level of integrity and confidentiality. As a top builder, developer, and EPC (Engineering, Procurement, and Construction), our expertise spans markets like sports, renewable energy, data centers, healthcare, and more.

Mortenson

Project Administrative Assistant- Power

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Civil Construction Contractors, LLC, an industrial civil contractor specializing in heavy civil and industrial construction, is seeking an Assistant Project Manager / Estimator to support estimating, project planning, and execution of prospective and awarded work. Experience with one or more of the following: HCSS HeavyBid / HeavyJob , Bluebeam or similar digital takeoff software, Microsoft Project or similar scheduling software, Microsoft Office Suite, Construction document management systems.

Explore a Career at Civil Construction Contractors

Civil Assistant Project Manager/Estimator

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Civil Construction Contractors, LLC

Hireclick

Industrial Assistant Project Manager/Estimator

Coordinates with and directs supervisory personnel and subcontractors engaged in planning and executing work procedures, interpreting specifications, and coordinating various phases of construction. Summary: Project Managers are responsible for planning and overseeing projects to ensure they are completed on time and within budget and within scope.

PCM & Affiliated Companies

Project Manager Assistant

Candidates should have a minimum of five to ten years of applicable experience in the construction industry or; In lieu of a degree, candidates must possess equivalent applicable experience in the construction industry, with a minimum of eight years of experience required. We are dedicated to delivering innovative solutions for complex civil, geotechnical, and environmental challenges, guided by our core values: We Do What We Say, We Are Passionate About Our Work, We Are One Team, We Work Smart, and We Do The Right Thing.

Forgen

Assistant Project Manager

GreenHouseAPI

Manages project engineers to assure project construction compliance through reviewing, submitting, and following up on submittals, Requests for Information, document revisions, and other documentation to avoid delays and additional risk to the project. Controls the payment of job and subcontractor costs based on construction progress, document review and approval and coordinates with the job cost accountant for payments and lien releases.

STO Building Group

Assistant Project Manager - Construction (Nationwide Travel)

Job Description Summary: The Assistant Commissioning Manager supports the planning, execution, and oversight of testing and commissioning activities for SOLV Energy's High‑Voltage (HV), Battery Energy Storage Systems (BESS), and Photovoltaic (PV) projects. In addition, candidate introductions or resumes can only be submitted to our internal talent acquisition recruiting team if a signed vendor agreement is already on file and the third-party recruiter or agency has received formal instructions from our internal talent acquisition team to submit candidates for a particular job posting.

YEAR

SOLV Energy LLC

Assistant Commissioning Project Manager, PV

FULL_TIME

2+ years of construction project experience, including various aspects of construction planning and management including, but not limited to engineering, estimating, bidding, preparing, and administering purchase orders and subcontracts, scheduling, cost control, document control, etc. About this Role: Quanta Infrastructure Solutions Group, LLC (QISG), a Quanta Services, Inc. company (NYSE: PWR) is looking for an Assistant Project Manager II (APM II) will assist/support the Project Manager (PM) on project tasks as assigned, follow-up on deliverables, and review with the PM.

Quanta Infrastructure Solutions Group, LLC

Assistant Project Manager II

[AW]-iCims

About this Role: Quanta Infrastructure Solutions Group, LLC (QISG), a Quanta Services, Inc. company (NYSE: PWR) is looking for an Assistant Project Manager III (APM III) will assist/support the Project Manager (PM) on project tasks as assigned, follow-up on deliverables, and review with the PM. 4+ years of construction project experience, including various aspects of construction planning and management including, but not limited to engineering, estimating, bidding, preparing, and administering purchase orders and subcontracts, scheduling, cost control, document control, etc.

Assistant Project Manager III

The QISG team brings together Engineering, Safety, Quality, Material Procurement, QA/QC, Right-of-Way Acquisition, Scheduling, Environmental Planning, Permitting, Title and Land Management expertise that ensure outstanding results for our clients. What You'll Bring: Bachelor's degree in business, Construction Science/Management, Enigneering, or equivalent field and/or an sccredited apprenticeship; equivelent work experience, or combination of work and education, may be substituted.

Assistant Project Manager I - (New Grad)

From stadiums to manufacturing facilities, power plants to hospitals, concert halls to classrooms, we handle projects of all sizes and complexity from multiple regional locations across the country. As one of the country's leading mechanical contractors, Harris offers you the best of both worlds: the stability, resources and opportunities of a national company, and the team culture, creative spirit and customer loyalty of a local business.

Harris Companies

This role will involve supporting Project Managers with the day-to-day oversight of multiple projects, ensuring smooth setup, compliance, and documentation management. Key Responsibilities: Maintain project documentation, including compliance records, schedules, daily reports, labor reporting, change orders, and quality control.

Hoffman Mechanical Solutions Inc

Employee may be called upon to perform any or all of the following functions: Assist in the development and maintenance of project schedules, budgets, and cost reports for substation and medium- to high-voltage electrical construction projects. DACON, the construction business unit of Dashiell Corporation, an operating company of Quanta Services (NYSE: PWR), specializes in the construction of medium- and high-voltage electrical infrastructure.

Dashiell Corp

Ensures that all procedures are followed, with precision, and that “short cuts” that are intended to save minutes do not result in creating non-value added work downstream, lends itself to possible confusion, or result in an ambiguous specification and expectation for whatever process is required to satisfy the needs of the customer. Analysis of complex project criteria (design intent, budget, schedule, resource availability, etc.) and creation of effective, actionable plans to align these various criteria in real-time with achievable positive results.

Gordon, Inc., located in Bossier City, LA, is recognized as a leader in the engineering and manufacturing of custom architectural specialty products. For over 50 years, our products have been used to help create commercial, industrial and institutional buildings worldwide. Notable Gordon projects include DFW International Airport, Dallas Cowboys Stadium, 9/11 Memorial Museum, and World Trade Center Tower 1, the Freedom Tower. Gordon specializes in sustainable architectural metal products for interior and exterior applications. Product applications include specialty metal ceilings and wall systems, drywall and plaster trims, column enclosures, and many other architectural specialty products. Systems are designed for commercial, acoustical, educational, cleanroom, data center, healthcare, correctional, industrial, and institutional environments. Gordon, Inc. is an award-winning manufacturer and is widely known throughout the industry as the leader in custom architectural specialties.

Company Benefits: Gordon, Inc. is an employee owned company. As an employee of Gordon, Inc., you will be allowed to share in the value and growth of the company and accumulate ownership in the stock of the company, at no cost to you. Gordon, Inc. also offers Health, Dental, Voluntary Term Life insurance and Disability benefits as well as a comprehensive 401k Retirement Plan and paid time off. We are an equal opportunity employer. For more information, please visit our website at www.gordon-inc.com.

Gordon

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Quanta Services Inc

Quanta Services Inc Jobs

Candidates should have a minimum of five to ten years of applicable experience in the construction industry or; In lieu of a degree, candidates must possess equivalent applicable experience in the construction industry, with a minimum of eight years of experience required. Under the direction of the Division Lead, manage each project assigned according to Forgen corporate philosophy of safe, quality production while securing the most favorable economic outcome for Forgen.

Forgen LLC

This is a hands-on opportunity to learn how projects are planned, managed, built, and successfully closed out, while developing the skills needed to advance into an Assistant Project Manager II and eventually a Project Manager role. You will be working with the on-site project team, working closely with the Project Manager to support day-to-day construction activities.

Project Assistant Jobs in Louisiana

Geotechnical Assistant Staff Project Manager (Entry-Level) Engineering Consulting Services Ltd

Project Administrative Assistant- Power Mortenson

Civil Assistant Project Manager/Estimator Explore a Career at Civil Construction Contractors

Civil Assistant Project Manager/Estimator Civil Construction Contractors, LLC

Industrial Assistant Project Manager/Estimator Civil Construction Contractors, LLC

Project Manager Assistant PCM & Affiliated Companies

Assistant Project Manager Forgen

Assistant Project Manager - Construction (Nationwide Travel) STO Building Group

Assistant Commissioning Project Manager, PV SOLV Energy LLC

Assistant Project Manager II Quanta Infrastructure Solutions Group, LLC

Assistant Project Manager III Quanta Infrastructure Solutions Group, LLC

Assistant Project Manager I - (New Grad) Quanta Infrastructure Solutions Group, LLC

Assistant Project Manager Harris Companies

Assistant Project Manager Hoffman Mechanical Solutions Inc

Assistant Project Manager Dashiell Corp

Assistant Project Manager Gordon

Assistant Project Manager Quanta Services Inc

Assistant Project Manager Forgen LLC

Assistant Project Manager II Talon Hiring Solutions

Assistant Project Manager Talon Hiring Solutions

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