Senior Level Principal Geotechnical Engineer Jobs
Senior level principal geotechnical engineer jobs place experienced engineers in charge of project direction, technical standards, and the multidisciplinary teams that deliver complex subsurface investigations and design solutions. Most openings are 29% remote or hybrid, concentrated in Consulting & Professional Services, Technology & Software, and Construction & Real Estate, with ECS Limited, Haley & Aldrich, and Tetra Tech hiring at this level now.
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INTRODUCTION
ECS is hiring a Principal Geotechnical Engineer to join our team in Atlanta, GA! As a Principal Geotechnical Engineer with ECS you will provide technical leadership for major projects across multiple sectors – public infrastructure, commercial, industrial, mission critical/data center and much more. 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.
ROLE AND RESPONSIBILITIES
Key Responsibilities
- Serve as the final technical reviewer and signatory for geotechnical reports, designs, plans and analysis, 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 staff across the branch and region, focusing on various local, regional, and state regulations.
- 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.
WHO WE ARE
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).
ECS is an Equal Opportunity Employer. To learn more, click here.
INTRODUCTION
ECS is hiring a Principal Geotechnical Engineer to join our team in Atlanta, GA! As a Principal Geotechnical Engineer with ECS you will provide technical leadership for major projects across multiple sectors – public infrastructure, commercial, industrial, mission critical/data center and much more. 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.
ROLE AND RESPONSIBILITIES
Key Responsibilities
- Serve as the final technical reviewer and signatory for geotechnical reports, designs, plans and analysis, 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 staff across the branch and region, focusing on various local, regional, and state regulations.
- 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.
WHO WE ARE
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).
ECS is an Equal Opportunity Employer. To learn more, click here.
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Senior Level Principal Geotechnical Engineer Jobs: Frequently Asked Questions
How do I get a senior level principal geotechnical engineer job?
Employers at this level look for a demonstrated record of leading large geotechnical projects from site investigation through final design, including ownership of scope, budget, and client relationships. Candidates who can show they have mentored junior engineers, authored geotechnical reports that shaped major decisions, and held a Professional Engineer license stand out. Business development experience is a meaningful differentiator at the principal level.
Which companies hire senior level principal geotechnical engineers?
Companies hiring senior level principal geotechnical engineers right now include ECS Limited, Haley & Aldrich, and Tetra Tech, based on current listings on Migrate Mate as of November 2026. Hiring at this level comes primarily from established engineering and environmental consulting firms, infrastructure owners, and public agencies with active capital programs requiring deep geotechnical expertise.
Are there remote senior level principal geotechnical engineer jobs?
Yes, though field and site work limits fully remote options for many roles. About 29% of senior level principal geotechnical engineer openings are remote or hybrid as of November 2026, with hybrid arrangements most common, allowing senior engineers to handle client management, reporting, and team oversight off-site while attending critical site visits in person.
What makes a principal geotechnical engineer role senior level?
Senior level principal roles carry full technical and project ownership rather than supporting a lead. Engineers at this stage set the geotechnical approach for complex sites, sign and seal deliverables, serve as the client-facing authority, and are accountable for quality across the entire project team. Mentoring mid-level staff and contributing to practice growth, proposal development, and internal technical standards are defining expectations.
Which industries hire the most senior level principal geotechnical engineers?
Senior level principal geotechnical engineer roles concentrate in Consulting & Professional Services, Technology & Software, and Construction & Real Estate, based on current listings on Migrate Mate as of November 2026. These sectors drive hiring because large-scale infrastructure, energy, and land development projects require senior geotechnical leadership to manage risk, satisfy regulatory requirements, and deliver technically defensible designs on complex sites.