Geotechnical Senior Project Engineer

ECS Southwest, LLP; San Antonio (TX); On-site; USD 110,000 - 150,000; Full time

Job summary

ECS Limited in San Antonio, TX seeks a Geotechnical Senior Project Engineer to lead key client projects from proposal through delivery. The role oversees geotechnical and CMT work, reviews technical reports, and drives quality, client satisfaction, and financial performance.

You will provide leadership to project teams, mentor staff, contribute to business development, and maintain strong client relationships while upholding ECS core values in a fast-paced consulting environment.

Qualifications

• 5 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.) license is required in each state of work, or ability to obtain local license within three months
• Valid driver's license if driving for ECS
• Excellent communication skills (verbal and written)
• Advanced project management and consulting skills
• Strong business development and client relationship skills
• Extensive knowledge of geotechnical principles and applications
• Strong working knowledge of construction materials testing and ASTM standards
• Proficiency with geotechnical software
• Strong leadership and decision-making abilities
• Ability to manage multiple projects and priorities in a consulting environment
• Ability to mentor and develop staff

Responsibilities

• Leads and manages geotechnical and CMT projects from proposal through completion
• Oversees preparation and review of geotechnical reports, including technical analysis and recommendations
• Ensures all project tasks from proposal to final invoice are completed accurately and on time
• Manages project budgets, change orders, invoicing, and collections
• Reviews field reports and ensures quality, accuracy, and completeness
• Prepares and oversees proposals and contracts
• Serves as primary point of contact for clients and project stakeholders
• Hosts and participates in project meetings to present findings and provide technical solutions
• Supervises field investigations, drilling, and testing activities
• Provides technical oversight and verifies calculations and recommendations
• Mentors and develops junior staff, technicians, and project managers
• Supports staffing decisions and resource allocation
• Performs other duties as assigned

Skills

Leadership

Project management

Business development

Client relationships

Communication

Strategic thinking

Education

B.S. or M.S. in Civil Eng / Geotechnical / Geology

Professional Engineer (PE) license in applicable state(s)

Military rank (E-7) eligible if applicable

Tools

Geotechnical software

Job description

Responsibilities

ECS Limited is seeking an experienced Geotechnical Senior Project Engineer to manage key client projects in our San Antonio office. The Geotechnical Senior Project Engineer leads and oversees geotechnical engineering and construction materials testing (CMT) projects from proposal through final delivery and closeout. This role is fully accountable for project success, including technical quality, client satisfaction, financial performance, and team execution. The Geotechnical Senior Project Engineer provides leadership to project teams, mentors staff, and actively contributes to business development and client relationship growth while maintaining a positive customer service attitude and demonstrating ECS Core Values.

Responsibilities

• Leads and manages geotechnical and CMT projects from proposal through completion
• Oversees preparation and review of geotechnical reports, including technical analysis and recommendations
• Ensures all project tasks, from proposal to final invoice, are completed accurately and on time
• Manages project budgets, change orders, invoicing, and collections
• Reviews field reports and ensures quality, accuracy, and completeness
• Prepares and oversees proposals and contracts
• Serves as primary point of contact for clients and project stakeholders
• Hosts and participates in project meetings to present findings and provide technical solutions
• Supervises field investigations, drilling, and testing activities
• Provides technical oversight and verifies calculations and recommendations
• Mentors and develops junior staff, technicians, and project managers
• Supports staffing decisions and resource allocation
• Performs other duties as assigned

Qualifications

Required Qualifications

• 5 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.) license is required in each of the state(s) in which you work, or you must have the ability to obtain a local license through reciprocity within three months of hire date
• If driving for or on behalf of any ECS subsidiary, a valid driver's license is required
• Excellent communication skills (verbal and written)
• Advanced project management and consulting skills
• Strong business development and client relationship skills
• Extensive knowledge of geotechnical principles and applications
• Strong working knowledge of construction materials testing and ASTM standards
• Proficiency with geotechnical software
• Strong leadership and decision‑making abilities
• Ability to manage multiple projects and priorities in a consulting environment
• Ability to mentor and develop staff

Military Qualifications

• The following US Military ranks will qualify for this position IF they also meet the education and licenses requirements from the above section titled "Required Qualifications":
• E-7

About Us

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 3,00 employees in 100+ 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.