Natural Resources Department Manager; Principal

ECS Limited is seeking a Natural Resources Department Manager to join our Southwest Environmental team in San Antonio, TX. As an Environmental Department Manager with ECS, you will oversee operations, manage scientists and project managers, ensure timely project deliverables, prepare proposals, and drive business growth.

• Manage and grow the Natural Resources department with a strong focus on business development and marketing initiatives
• Lead, mentor, and manage a team of environmental scientists and project managers, overseeing environmental services projects, reviewing reports, preparing proposals, and managing departmental P&L
• Supervise employees and manage daily departmental operations, ensuring alignment with project budgets and timelines
• Coordinate effectively with regulatory authorities, particularly in navigating complex 404/401 permitting in the Southwest U.S. (Texas, Oklahoma & Arizona)
• Contribute to business growth by maintaining and developing client relationships, marketing services, and preparing proposals for environmental projects
• Manage project and budget oversight, including coordinating with internal teams and external stakeholders
• May involve report preparation duties based on departmental needs

• BS degree in Natural Resources, Environmental Science, Soil Science, Engineering or related discipline; MS degree preferred
• 5-10+ years of relevant environmental consulting experience
• Licensure - one or more of the following preferred:
  Professional Wetland Scientist (PWS), Licensed Soil Scientist (LSS), Professional Engineer (PE), Professional Geologist (PG)
• Extensive experience in wetland and stream delineation
• Expertise in navigating complex 404/401 permitting

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 #66 in Engineering News-Record’s Top 500 Design Firms (April 2025), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025).

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