Demo

Principal Geotechnical Engineer - Transportation

ECS Group of Companies
Lexington, SC Full Time
POSTED ON 10/24/2026
AVAILABLE BEFORE 4/21/2027
ECS is hiring a Principal Geotechnical Engineer to join our transportation team in the Southeast. This role provides technical leadership for major infrastructure projects. This person can be located in any of our major hubs across the Southeast, including North Carolina, South Carolina, Georgia, Alabama, Tennessee.

Combining technical excellence with mentorship and business development. You will lead a multidisciplinary team of field staff, engineers, and scientists while serving as a primary technical authority for the region.

Key Responsibilities

  • Serve as the final technical reviewer for geotechnical reports, ensuring 100% accuracy of designs and project deliverables.
  • Oversee the development of geotechnical engineering reports and design packages, providing technical seal and signature as the Engineer of Record.
  • Provide technical expertise for geotechnical and transportation staff across the branch and region, focusing on DOT and AASHTO specifications.
  • Mentor junior and mid-level engineers, technicians, designers, and project managers to support professional growth and internal promotion.
  • Lead complex engineering designs for slope stability, shallow and deep foundations, retaining structures, and settlement evaluations.
  • Direct project managers on field exploration activities, including drilling, test pits, and site inspections.
  • Drive business development by attending client meetings and identifying growth opportunities to expand our transportation portfolio.
  • Collaborate with the Associate Principal review committee to identify and mentor future leadership candidates.

Basic Qualifications

  • 12 or more years of experience in geotechnical and transportation engineering.
  • Bachelor’s or Master’s degree in Civil Engineering, Geotechnical Engineering, Geological Engineering, or a related field.
  • Professional Engineer (PE) license is required; Professional Geologist (PG) license may be acceptable depending on state requirements.
  • Documented expertise in DOT Geotechnical Design Manual (GDM) and AASHTO LRFD specifications.
  • Proficiency in MicroStation, OpenRoads or similar programs for infrastructure and highway design projects.
  • Proven track record of serving as a senior technical reviewer at a previous engineering firm.
  • Valid driver’s license for travel to project sites and client meetings.

Preferred Qualifications

  • Utilize specialized software including gINT, LPile, APile, MSEW, FB-Pier, and GRLWEAP to deliver innovative design solutions.
  • Experience managing 3 or more large-scale transportation projects simultaneously.
  • Active participation in industry organizations such as ASCE, ACEC, or specialized geotechnical institutes.

ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and building science infrastructure consulting services. We are employee-owned with more than 3,200 employees in 125 offices and testing facilities coast to coast. ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #144 in Engineering News-Record’s Top 200 Environmental Firms (October 2026) and #38 in Zweig Group’s Hot Firm List (June 2026). For additional information about ECS, visit: www.ecslimited.com.

ECS is an Equal Opportunity Employer. To learn more, click here.

Salary.com Estimation for Principal Geotechnical Engineer - Transportation in Lexington, SC
$149,976 to $188,777
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Principal Geotechnical Engineer - Transportation?

Sign up to receive alerts about other jobs on the Principal Geotechnical Engineer - Transportation career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$93,422 - $117,961
Income Estimation: 
$123,183 - $136,160
Income Estimation: 
$241,189 - $285,762
Income Estimation: 
$299,618 - $409,834
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at ECS Group of Companies

  • ECS Group of Companies Dover, DE
  • Responsibilities Supports preparation of geotechnical reports, including analysis and recommendations Manages construction materials testing (CMT) tasks, i... more
  • 2 Days Ago

  • ECS Group of Companies Mobile, AL
  • No experience necessary, paid training is provided, and we pay your certification fees! ECS Limited is offering a unique opportunity for a talented Constru... more
  • 2 Days Ago

  • ECS Group of Companies Waukesha, WI
  • ECS Limited is seeking an experienced leader to manage our construction materials testing group in our Waukesha office. The CMT Department Manager leads th... more
  • 2 Days Ago

  • ECS Group of Companies St Louis, MO
  • The Environmental Project Manager manages environmental consulting projects of low to moderate complexity through all phases of execution, including planni... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Principal Geotechnical Engineer - Transportation jobs in the Lexington, SC area that may be a better fit.

  • ECS Southeast, LLP Lexington, SC
  • Responsibilities ECS is hiring a Principal Geotechnical Engineer to join our transportation team in the Southeast . This role provides technical leadership... more
  • 4 Days Ago

  • Principal Mineral Holdings Camden, SC
  • THE OPPORTUNITY Our Mission Securing the materials to build our future. Materials underpin the technologies that will define tomorrow—from artificial intel... more
  • 3 Days Ago

AI Assistant is available now!

Feel free to start your new journey!