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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 #50 in Zweig Group's Hot Firm List (May 2025). The Environmental Project Manager I 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

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United States-South Carolina-Columbia'',''United States-South Carolina-Columbia'','''','''','''','''','''','''','''','''',''Power'',''Power'',''Full-time'',''Full-time'',''Regular'',''Regular'','''','''',''Transmission/Distribution Eng'',''Transmission/Distribution Eng'',''Nov 3, 2026'',''Nov 3, 2026'',''false'',''793622'',''793622'',''true'',''793622'',''false'',''Submission for the position: Transmission Line Engineer Team Lead - (Job Number: 197641)'',''false'',''793622'',''false'',''true''. Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute.

HDR Inc

Transmission Line Engineer Team Lead

United States-South Carolina-Columbia'',''United States-South Carolina-Columbia'',''United States-South Carolina-Greenville, United States-South Carolina-Fort Mill, United States-South Carolina-Charleston'',''United States-South Carolina-Greenville, United States-South Carolina-Fort Mill, United States-South Carolina-Charleston'','''','''','''','''','''','''',''Highway + Road'',''Highway + Road'',''Full-time'',''Full-time'',''Regular'',''Regular'','''','''',''Highways'',''Highways'',''Sep 2, 2026'',''Sep 2, 2026'',''false'',''790806'',''790806'',''true'',''790806'',''false'',''Submission for the position: Senior Roadway Engineer - (Job Number: 195905)'',''false'',''790806'',''false'',''true''. We bring together planners, engineers, architects, construction management staff, environmental, strategic communications, economists, management consultants and specialists across disciplines to solve complex mobility challenges with innovation, technical excellence, and a deep understanding of community needs.

Senior Roadway Engineer

If you're ready to join a team working to make our industry more sustainable, support the bridges, roadways, buildings and infrastructure that connects our communities, and do meaningful work, you're ready to join CMC. Whether you will spend your day brainstorming in an office cubicle, operating a crane, running manufacturing equipment or troubleshooting technical obstacles, at CMC, you'll get the training and support from your team that you need to excel in your role and reach your full potential.

Commercial Metals Co

Maintenance Engineer

Duties will include, but are not limited to: Design and implementation of the radio network accounting for infrastructure, subscribers, power systems design, equipment shelter and tower layouts, backhaul network design including microwave, leased line, and customer provided Ethernet networks. The Systems Engineering Group delivers customer-driven, world-class, leading-edge, end-to-end solutions that rise to the challenges of first responder, government, carrier, utility, transportation, and enterprise customers.

YEAR

Motorola Solutions Inc

Principal Systems Engineer

We provide a complete range of construction services, from site selection analysis, design constructability review and aesthetic enhancements to interior fit-outs, new building construction, and building infrastructure upgrades and modernization. Our work spans healthcare, K-12, higher education, justice, municipal, mission critical, and other institutional markets-giving our teams the opportunity to build projects that truly impact the communities they serve.

STO Building Group

Project Manager

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. Collaborate with fellow Performance Engineers & Analysts to track critical issues within the construction and/or operational fleet (equipment, parts, manufacturers, etc.) and share findings with internal teams with a common goal of fleet optimization.

SOLV Energy LLC

Performance Engineer II, EPC (Remote)

About the role: As a Principal Facilities Mechanical Engineer, you will provide senior technical leadership and facilities mechanical engineering support for the LEU+ Fuel Fabrication Facility Construction Project at the Columbia Fuel Fabrication Facility (CFFF). Wellness Programs designed to support employees in maintaining their health and well-being including Employee Assistance Program providing support for our employees and their household members.

Westinghouse Nuclear

Principal Facilities Engineer

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Formed through the merger of Ironclad Environmental and Mersino Dewatering, the combined company operates a multi-branch network across Texas, Louisiana, California, the Upper Midwest, and other key industrial regions, delivering rental fleet, engineered water management, and liquid containment solutions to customers who depend on uptime, safety, and technical expertise. This role reviews project documentation, including geotechnical reports, boring logs, plans, civil drawings, and project specifications, and performs hydraulic, fluid, and chemical compatibility analyses to develop safe, effective, and cost-efficient solutions.

At Mersino, we work together with our customers to achieve the proper groundwater control services required for each project.
Mersino: 

<ul>
 <li>Is the only dewatering company with extensive experience in all methods of dewatering including deep well dewatering, wellpoint dewatering, trenched tile collection systems and sock dewatering as well as eductor well dewatering.</li>
 <li>Our nationwide equipment inventory includes a wide assortment of portable pumping equipment that allows us to provide the most cost effective and practical bypass pumping solutions available.</li>
 <li>Our one-pass trenching equipment allows us to install sock tile, trench collection systems, slurry cut-off walls and bio walls.</li>
 <li>Our power generation inventory ensures complete power system and backup power availability with generator rentals from 10 kW to 2000 kW, in addition to auxiliary power accessories.</li>
</ul>

Mersino Dewatering, Inc.

Engineer (3603)

The ideal candidate will bring a strong client strategy mindset with the ability to identify and cultivate new opportunities, deepen relationships with key municipal clients, and partner with regional leadership to shape capture plans, proposal strategies, pricing, scoping, and win themes that support continued growth across the Water business. Working with an energetic and high performing team, this position offers a variety of work and will see you involved in: Client & Customer Management (External): Manage relationships with small clients while also helping senior colleagues manage relationships with larger key clients and customers.

Project Manager (Linear Infrastructure - Water)

Provides management of Design Managers and technical design activities for highway projects including development of highway design plans and specifications for roadway/bridge project right of way plans and construction plans in accordance with all applicable State, Federal, and AASHTO guidelines. Performs miscellaneous other duties as required such as initiation and preparation of correspondence and reports, responding to various requests, serving on various committees and study groups, and representing the Department at meetings, etc.

State of South Carolina

Transp Engr Dir I / Engr Mgr II (PE) - Upstate RPG 4 Lead Engineer (61034824)

AES is seeking a Senior Development Engineer to drive solar PV and integrated battery energy storage system (BESS) project development across the US and Internationally, with the goal of increasing our portfolio of owner-operated commercial, industrial and utility scale renewable power plants. Development Engineer will work with a team to qualify new solar and battery storage project opportunities, perform technical due diligence on project practicality, and respond to RFPs from utilities, municipalities and others for the procurement of renewable energy.

The AES Corp

Senior Development Engineer

This critical leadership role combines hands-on technical expertise with strategic team management, where you'll oversee all building systems operations, maintain our 100% uptime commitment, and protect client assets through proactive maintenance programs. What your day-to-day will look like: Monitor and maintain critical building systems including HVAC, refrigeration, boilers, and mechanical/electrical equipment while overseeing comprehensive preventive maintenance programs.

Jones Lang LaSalle Inc

Chief Engineer

Job Summary: The Application Engineering Supervisor supports the Director of Technical Offer Management (TOM) - PTS with the daily operations of the PTS-Sanitary application engineering group by coordinating priorities, deliverables, and due dates across Sales, Process Engineering, and TOM leadership. Complete a variety of training to learn the GEA sales business, including hands-on technical training, classroom setting, remote training at European centers of competence, and independent learning thru GEA's learning center portal.

GEA Group

Application Engineer Supervisor PTS Sanitary

Application Engineer Supervisor PTS Chemical And Pharma

OTHER

We are looking for someone who has excellent client interaction skills and can manage and lead planning and design teams for multi-discipline projects and programs of work in modeling, master planning studies, design, and construction administration of water, wastewater, conveyance, storm water facilities, and infrastructure in South Carolina. In addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing.

CDM Smith

Senior Project Manager - Water/Wastewater

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CDM Smith Inc

Senior Project Manager - Water Services

Provide quality assurance/control and engineering project activities focused on wastewater conveyance including capacity analysis, new and rehabilitation of sanitary sewer gravity pipe systems, force main design and agency permitting. This role will serve as a technical leader on multi-disciplinary marine infrastructure modernization projects in the United States, while playing a key role in expanding Foth's market presence in Florida and the Southeast.

Foth & Van Dyke LLC

Lead Civil Engineer

As a private employee-owned firm consistently recognized as a Top Workplace and recipient of PSMJ's Build a Better World Award, we're known not only for exceptional projects but for how we treat people and our communities. Pair that with industry-leading benefits, genuine work-life balance, and meaningful opportunities to give back through T&H Helping Hands, and it's clear why so many professionals choose to grow their careers here.

Thomas & Hutton

Entry Level Civil Design Engineer in Training

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At Thomas & Hutton, you''ll design impactful stormwater and drainage projects, collaborate with experienced mentors and multidisciplinary teams, and grow within a company consistently recognized as a Best Place to Work. As a private employee-owned firm consistently recognized as a Top Workplace and recipient of PSMJ''s Build a Better World Award, we''re known not only for exceptional projects but for how we treat people and our communities.

Project Engineer Jobs in Columbia, SC

Environmental Project Manager Engineering Consulting Services Ltd

Transmission Line Engineer Team Lead HDR Inc

Senior Roadway Engineer HDR Inc

Maintenance Engineer Commercial Metals Co

Principal Systems Engineer Motorola Solutions Inc

Project Manager STO Building Group

Performance Engineer II, EPC (Remote) SOLV Energy LLC

Principal Facilities Engineer Westinghouse Nuclear

Engineer (3603) Mersino Dewatering, Inc.

Project Manager (Linear Infrastructure - Water) GHD

Transp Engr Dir I / Engr Mgr II (PE) - Upstate RPG 4 Lead Engineer (61034824) State of South Carolina

Senior Development Engineer The AES Corp

Chief Engineer Jones Lang LaSalle Inc

Application Engineer Supervisor PTS Sanitary GEA Group

Application Engineer Supervisor PTS Chemical And Pharma GEA Group

Senior Project Manager - Water/Wastewater CDM Smith

Senior Project Manager - Water Services CDM Smith Inc

Lead Civil Engineer Foth & Van Dyke LLC

Entry Level Civil Design Engineer in Training Thomas & Hutton

Water Resource Engineer - Experienced Designer Thomas & Hutton

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