Principal Geotechnical Engineer

ECS Group of Companies; Tallahassee (FL); On-site; USD 170,000 - 260,000; Full time

Job summary

ECS Group of Companies is seeking a Geotechnical Principal to provide top-level technical leadership, oversee regional execution, and drive business development. You will mentor leaders, review reports, and guide project decisions with a focus on quality and client satisfaction.

The role requires deep geotechnical expertise, strong leadership, and proven ability to manage risk and financial performance across multi-site projects. State licensure and regional client networks are essential.

Qualifications

• Minimum 12 years of related geotechnical experience.
• Professional Engineer (P.E.) or Professional Geologist (P.G.) license in applicable states.
• Strong regional or multi-regional client relationships and proven business development success.
• Established reputation as a geotechnical engineering expert with leadership capability.
• Experience mentoring senior staff and leading technical teams.

Responsibilities

• Provide technical oversight across geotechnical projects and final review of reports and deliverables.
• Ensure quality and consistency of technical output across projects and teams.
• Oversee project performance at a strategic level and address high-risk issues.
• Mentor Associate Principals, Senior Project Managers, and emerging leaders.
• Lead business development efforts and client relationship growth.
• Review proposals, contracts, and major project decisions.
• Participate in staffing, recruiting, and team development.
• Represent the firm as a technical expert in industry and community.

Skills

Technical leadership

Mentorship

Business development

Client relationship management

Project management

Final technical review

Financial acumen

Education

B.S./M.S. in Civil/Geological Engineering

P.E. or P.G. license

Tools

GeoStudio

PLAXIS

Geoslope

Job description

The Geotechnical Principal serves as the highest level of technical leadership within the geotechnical practice, responsible for ensuring overall quality, performance, and strategic direction of projects and services. This role provides final technical authority, oversees regional technical execution, and drives business development and client relationships at the highest level. The Geotechnical Principal operates as a subject matter expert, mentor, and leader while maintaining a positive customer service attitude and demonstrating ECS Core Values.

Responsibilities

• Provides technical expertise and oversight across geotechnical projects
• Performs final technical review and approval of reports, calculations, and deliverables
• Ensures quality, accuracy, and consistency of technical output across projects and teams
• Oversees project performance at a strategic level and intervenes on complex or high-risk issues
• Mentors Associate Principals, Senior Project Managers, and emerging leaders
• Supports and leads business development efforts and client relationship growth
• Reviews and approves proposals, contracts, and major project decisions
• Contributes to departmental and regional financial performance (P&L awareness)
• Participates in staffing decisions, recruiting, and team development
• Represents the firm as a technical expert in the industry and community
• Participates in organizational leadership initiatives and technical committees
• Performs other leadership and technical duties as assigned

Required Qualifications

• 12 years of related experience
• Bachelor and/or Master of Science in Civil Engineering, Geological Engineering, Geology, or similar is required
• A professional Engineer (P.E.) or Professional Geologist (P.G.) license is required in each of the state(s) in which you work
• If driving for or on behalf of any ECS subsidiary, a valid driver's license is required.
• Established reputation as a technical expert in geotechnical engineering
• Strong regional or multi-regional client relationshipsProven success in business development and revenue growth
• Advanced technical expertise across geotechnical engineering disciplines
• Proven leadership and decision-making capability at an organizational level
• Strong business development and client relationship skills
• Extensive experience in project management, risk management, and consulting
• Ability to perform and sign as the final technical review of reports and calculations
• Strong understanding of regional geologic conditions and industry challenges
• Proficiency with advanced geotechnical analysis software
• Ability to mentor senior technical staff and future leaders
• Strong financial and operational awareness
• Professional training programs as required in the ECS Senior Technical Staff Policies and Procedures

Military Qualifications

• The following US Military ranks will qualify for this position IF they also meet the education, certification, and licenses requirements from the above section titled "Required Qualifications":
  • E-8+

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), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) 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.