Construction Materials Principal

Engineering Consulting Service; Marietta, Northern (GA, KY); Hybrid; USD 150,000 - 210,000; Full time

Job summary

ECS Limited is seeking an experienced Construction Materials Testing (CMT) Principal Engineer to join our Atlanta field services team. You’ll oversee CMT projects, review reports, and assist with department and P&L management while mentoring staff and engaging with clients.

The role emphasizes technical leadership, project management, and market development to ensure goals from proposal to final review are met and client relationships are cultivated.

Qualifications

• Bachelor’s degree in Civil Eng, Construction Eng & Mgt, Materials Science Eng, Arch Eng, or Geology.
• Professional PE or PG licensure required.
• Senior reviewer designation at current/previous firm preferred.
• Maintains licenses and certifications for compliance.

Responsibilities

• Oversee CMT projects; review reports; prepare proposals; assist with department and P&L management.
• Provide technical expertise by reviewing reports and mentoring staff.
• Mentor junior project managers; collaborate on staffing decisions.
• Lead project meetings with clients and provide technical resolutions.
• Market ECS services and maintain existing client relationships.

Skills

CMT leadership

Client relations

Team mentoring

Proposal management

Technical reporting

Education

Bachelor of Science in Civil Eng / CEM / Materials Science / Arch Eng / Geology

PE or PG licensure

Tools

ASTM standards

Job description

Responsibilities

ECS Limited is offering a unique opportunity for an experienced Construction Materials Testing (CMT) Principal Engineer to join our Atlanta field services team in a dynamic work environment. In this role, you’ll be primarily responsible for ensuring that the quality and performance on a variety of projects meet our standards and will consult with clients and project teams to ensure goals and deadlines from proposal to final review are met.

• Oversee various CMT projects, review technical report reviews, prepare and review proposals, and assist with management of your department and P&L.
• Provide technical expertise by reviewing reports and supporting CMT staff through mentorship, training, and development.
• Actively mentor junior project managers and support overall development of your team, including collaborating with other managers and internal recruiters to make staffing decisions and suggestions based on the needs of your project.
• Host or attend project meetings with clients and provide technical resolutions of issues as requested.
• Successfully market our services through networking, while establishing new and maintaining existing client relationships.

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

• Bachelor of Science in any of the following: Civil Engineering, Construction Engineering and Management, Materials Science Engineering, Architectural Engineering, or Geology; Note: Construction Management degrees and certain Technology degrees may not be considered.
• A minimum of 12 full years of relevant experience, to include drafting, reviewing, and approving technical reports.
• Professional licensure as a Professional Engineer (PE) or Professional Geologist (PG).
• Must have designation as a senior reviewer at your current or previous firm; detailed information on ECS’ senior reviewer policy may be shared at time of interview or offer.
• Maintain all necessary licenses and certifications for compliance with local, state, and federal laws.
• Demonstrated technical competence, leadership, safety, and professionalism.
• Proven track-record of excellence in project management, consulting, and business development.
• Expert knowledge of CMT principles, applications, and ASTM laboratory standards.
• Must have valid driver's license and insurance if driving on behalf of ECS.
• Strong marketing skills with the ability to establish and maintain client relationships; experience with established relationships in local market is preferred.
• Excellent communication skills (speaking, reading, and writing).
• Excellent leadership and decision-making skills with the ability to work effectively with clients, peers, and supervisors.

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. To learn more, click here.

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