Geotechnical Senior Project Engineer

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.

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":

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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 3,200 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:

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

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