Environmental Senior Project Manager

ECS Midwest, LLC; St. Louis (MO); On-site; USD 110,000 - 160,000; Full time

Job summary

ECS Group of Companies (ECS) is seeking an Environmental Senior Project Manager to lead complex environmental consulting engagements from proposal through closeout. You will provide technical leadership, oversee scheduling, and manage client relations while ensuring profitable delivery in compliance with ECS standards.

You will mentor staff, conduct senior reviews, and coordinate staffing across multiple projects, maintaining strong client partnerships and ensuring high-quality environmental

Qualifications

• Requires 10+ years in environmental consulting
• Licensure in local jurisdiction within 3 months of hire
• Strong knowledge of environmental principles and permitting requirements

Responsibilities

• Lead/oversee multiple environmental projects from proposal to closeout
• Serve as primary client contact and manage relationships
• Mentor junior staff and support professional development
• Ensure projects are delivered safely, profitably, and per ECS standards
• Manage budgets, invoicing, collections, and change orders
• Provide technical reviews of reports and conclusions
• Coordinate staffing and resources across projects

Skills

Project management

Leadership

Client relations

Budgeting

Education

Bachelor's/Master's in Civil Eng, Environmental Eng, Geology or related field

Job description

Responsibilities

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.

• 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

Qualifications

• Must have at least 10 years of related environmental consulting 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
  
  
  
  

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.