CMT Principal

ECS Southeast, LLP; St. George (LA); On-site; USD 150,000 - 210,000; Full time

Job summary

ECS Limited in Baton Rouge, LA, seeks an experienced Construction Materials Testing (CMT) Principal Engineer to provide technical leadership and oversee projects and client relationships.

This senior role requires mentoring, business development, and final sign-off on technical reports while ensuring quality and adherence to ECS standards. Be part of a team that values strategic direction and cross-functional collaboration.

Qualifications

• 12 years of related experience with a professional engineering or geology license or 16 years with certifications.
• High school diploma or GED is required.
• Bachelor of Science in Civil Eng, Construction Eng and Management, Materials Science Eng, Architectural Eng, or Geology preferred.
• Maintain licenses/certifications as necessary per ECS policies.
• Valid driver's license if driving for ECS.
• Established technical expert in construction materials testing.
• Strong regional client relationships and revenue growth track record.
• Proven leadership and decision-making at an organizational level.
• Experience in project management, risk management, and consulting.
• Ability to perform final technical reviews of reports and calculations.
• Strong understanding of regional geologic conditions and industry challenges.
• Proficiency with advanced analysis software.
• Ability to mentor senior technical staff.
• Strong financial and operational awareness.
• Professional training as required by ECS policies.

Responsibilities

• Provides enterprise-level technical expertise and oversight across CMT projects.
• Performs final technical reviews and approves reports, calculations, and deliverables.
• Ensures technical quality and adherence to standards across projects.
• Oversees project performance and resolves high-risk issues.
• Mentors Associate Principals, Senior Project Managers, and staff.
• Leads business development and expands client relationships.
• Prepares and reviews proposals, contracts, and major project decisions.
• Supports department and office financial performance (P&L).
• Assists with staffing decisions and workforce planning.
• Represents ECS as a technical expert in industry and community.
• Participates in leadership activities and governance.
• Provides cross-functional support across departments.

Skills

Leadership

Mentoring

Business development

Client relationships

Project management

Technical leadership

Analytical skills

Education

Bachelor of Science in Civil Engineering or related field

High school diploma or GED

Tools

Advanced analysis software

Job description

Responsibilities

ECS Limited is offering a unique opportunity for an experienced Construction Materials Testing (CMT) Principal Engineer to join our Baton Rouge, LA field services team in a dynamic work environment. The Construction Materials Testing (CMT) Principal serves as the highest level of technical leadership within the CMT practice, responsible for ensuring overall quality, performance, and strategic direction of projects and services. This role provides final technical authority, oversees execution across projects and departments, and drives business development and client relationships at a high level. The CMT Principal operates as a subject matter expert, mentor, and leader within the organization while maintaining a positive customer service attitude and demonstrating ECS Core Values.

• Provides enterprise-level technical expertise and oversight across CMT projects
• Performs final technical review and approval of reports, calculations, and deliverables
• Ensures technical quality, consistency, and adherence to standards across projects and teams
• Oversees project performance and supports resolution of complex or high-risk issues
• Mentors Associate Principals, Senior Project Managers, and technical staff
• Leads business development efforts and expands client relationships
• Prepares and reviews proposals, contracts, and major project decisions
• Supports department and office financial performance (P&L awareness)
• Assists with staffing decisions and workforce planning
• Represents the organization as a technical expert in the industry and community
• Participates in leadership activities, including review committees and internal governance
• Provides cross-functional support across departments and service lines

Career Development

• As your experience with us grows, ECS will support you in advancing in your career with the potential for advanced certifications and reviewer status with additional benefits through professional training programs.

Qualifications

• 12 years of related experience with a professional engineering or geology license per ECS Senior Technical Staff Policies and Procedures
  • Or, 16 years of related experience with certifications per ECS Senior Technical Staff Policies and Procedures
• High school diploma or GED required
  • Bachelor of Science in any of the multi-disciplined Civil Engineering, Construction Engineering and Management, Materials Science Engineering, Architectural Engineering, and Geology is preferred
• Per the ECS Senior Technical Staff Policies and Procedures, maintain licenses and/or certifications as necessary for the work performed or managed
• If driving for or on behalf of any ECS subsidiary, a valid driver's license is required
• Established reputation as a technical expert in construction materials testing
• Strong regional or multi-regional client relationships
• Proven success in business development and revenue growth
• Advanced technical expertise across construction materials testing 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 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+

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 facilities consulting services. We are employee-owned with more than 3,000 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 #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: www.ecslimited.com.

ECS is an Equal Opportunity Employer.