Environmental Senior Project Manager

ECS Group of Companies; St. Louis (MO); On-site; USD 110,000 - 140,000; Full time

Job summary

ECS Group of Companies is seeking an Environmental Senior Project Manager in the St. Louis area to lead complex environmental consulting projects from proposal through closeout.

You will provide technical leadership, manage clients, mentor staff, and ensure safe, profitable project delivery in line with ECS standards. The role requires licensure within three months, strong project management, budgeting, and business development skills, and the ability to manage multiple projects simultaneously

Qualifications

• 5 years of related experience.
• Bachelor's and/or Master's of Science in Civil Engineering, Environmental Engineering, Natural or Environmental Science, Geology, or related field.
• Must be able to obtain a local license via reciprocity within three months of hire.
• Extensive knowledge of environmental principles, regulations, and consulting practices.
• Extensive knowledge of permitting requirements and environmental investigation methodologies.
• Excellent project management and consulting skills.
• Strong leadership, coaching, and team development capabilities.
• Strong financial management and budgeting skills.
• Ability to manage multiple complex projects simultaneously.
• Ability to build and maintain long-term client relationships.
• Strong written and verbal communication skills.
• Ability to review and evaluate technical work produced by others.
• Strong business development and client growth capabilities.
• If driving for or on behalf of any ECS subsidiary, a valid driver's license is required.

Responsibilities

• Performs Phase I Environmental Site Assessments independently as an Environmental Professional
• Reviews Phase I ESA reports prepared by junior staff
• Oversees project scheduling, execution, reporting, and closeout
• Communicates project findings and recommendations to clients and Principals
• Performs detailed technical reviews of reports and conclusions
• Leads and mentors junior staff and supports professional development across the team
• Manages environmental consulting projects from proposal through project closeout
• Serves as the primary client contact for assigned projects
• Maintains and expands client relationships and business opportunities
• Manages project budgets, profitability, invoicing, and collections
• Reviews and approves project change orders and budgeting adjustments
• Schedules, trains, and oversees technical staff assigned to projects
• Coordinates project staffing and resource allocation
• Oversees multiple projects simultaneously and ensures successful project execution
• Reviews and approves proposals, scopes of work, and fee estimates
• Prepares and reviews environmental reports, analyses, and recommendations
• Conducts senior-level reviews of project deliverables before Principal review
• Leads client meetings and project discussions
• Supports staffing decisions in collaboration with department leadership
• Provides guidance on technical, operational, and project management issues
• Performs additional project leadership and technical duties as assigned

Skills

5 years exp

Project management

Leadership

Client relations

Budgeting

Communication

Technical review

Business development

Driver's license

Multi-project management

Env regulations knowledge

Permitting knowledge

Reviewing others' work

Education

BS/MS in Civil/Environmental Eng or related field

Job description

The Environmental Senior Project Manager is responsible for the successful execution of environmental consulting projects from proposal development through project closeout and collection. This role provides technical leadership, project oversight, client management, staff development, and financial accountability across multiple projects. The Environmental Senior Project Manager serves as the primary client contact on assigned projects, mentors technical staff, and ensures projects are delivered safely, profitably, and in accordance with company standards while demonstrating ECS Core Values.

Responsibilities

• Performs Phase I Environmental Site Assessments independently as an Environmental Professional
• Reviews Phase I ESA reports prepared by junior staff
• Oversees project scheduling, execution, reporting, and closeout
• Communicates project findings and recommendations to clients and Principals
• Performs detailed technical reviews of reports and conclusions
• Leads and mentors junior staff and supports professional development across the team
• Manages environmental consulting projects from proposal through project closeout
• Serves as the primary client contact for assigned projects
• Maintains and expands client relationships and business opportunities
• Manages project budgets, profitability, invoicing, and collections
• Reviews and approves project change orders and budgeting adjustments
• Schedules, trains, and oversees technical staff assigned to projects
• Coordinates project staffing and resource allocation
• Oversees multiple projects simultaneously and ensures successful project execution
• Reviews and approves proposals, scopes of work, and fee estimates
• Prepares and reviews environmental reports, analyses, and recommendations
• Conducts senior-level reviews of project deliverables before Principal review
• Leads client meetings and project discussions
• Supports staffing decisions in collaboration with department leadership
• Provides guidance on technical, operational, and project management issues
• Performs additional project leadership and technical duties as assigned

Required Qualifications

• 5 years of related experience
• Bachelor's and/or Master's of Science in Civil Engineering, Environmental Engineering, Natural or Environmental Science, Geology, or other degree relevant to the practice of Environmental Consulting
• Must have the ability to obtain a local license through reciprocity within three months of hire date
  • Additional licensure or certifications may be required depending on the type of work performed
• Extensive knowledge of environmental principles, regulations, and consulting practices
• Extensive knowledge of permitting requirements and environmental investigation methodologies
• Excellent project management and consulting skills
• Strong leadership, coaching, and team development capabilities
• Strong financial management and budgeting skills
• Ability to manage multiple complex projects simultaneously
• Ability to build and maintain long-term client relationships
• Strong written and verbal communication skills
• Ability to review and evaluate technical work produced by others
• Strong business development and client growth capabilities
• If driving for or on behalf of any ECS subsidiary, a valid driver's license is required

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":
• E-7

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.