CMT Principal Engineer

ECS Ltd; Carrollton (TX); On-site; USD 180,000 - 240,000; Full time

Job summary

ECS Limited in Carrollton, TX seeks an experienced Construction Materials Testing (CMT) Principal Engineer to lead the technical direction and delivery across projects, ensuring quality and safety standards are met. This senior role acts as the highest technical authority and will oversee performance and strategy within the CMT practice.

The Principal drives business development, mentors staff, and maintains strong client relationships while providing final technical review of reports and

Qualifications

• 12 years of related experience with a professional engineering or geology license.
• Or, 16 years of related experience with ECS-certified qualifications.
• Bachelor of Science in Civil Engineering or related discipline preferred.
• Maintain licenses/certifications per ECS Senior Technical Staff Policies and Procedures.
• Valid driver’s license if driving for ECS.
• Established reputation as a technical expert in CMT.
• Strong regional or multi-regional client relationships.
• Proven success in business development and revenue growth.
• Advanced technical expertise across CMT disciplines.
• Mentor senior technical staff and future leaders.
• Completion of professional training programs as required by ECS policies.

Responsibilities

• 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 (including 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.

Education

Bachelor of Science in Civil Engineering or related discipline

Professional engineering or geology license

Strong business development and client relationships

Mentoring and leadership of technical staff

Project management and risk management

Final technical review and approval of reports

Strong understanding of regional geologic conditions

Job description

ECS Limited is offering a unique opportunity for an experienced Construction Materials Testing (CMT) Principal Engineer to join our Carrollton 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.

Responsibilities

• 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 the 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 (including 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

Required 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 capabilities at an organizational level
• Strong business development and client relationship skills
• Extensive experience in project management, risk management, and consulting
• Ability to perform and provide final technical approval 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
• Completion of professional raining programs as required by 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 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). For additional information about ECS, visit: www.ecslimited.com.

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