Demo

Due Diligence Project Manager

ECS Group of Companies
St Louis, MO Full Time
POSTED ON 6/6/2026
AVAILABLE BEFORE 7/4/2026
Engineering Consulting Services (ECS) is seeking an Environmental Project Manager to join our Due Diligence team in the Greater Chicago Area.

This role performs multiple tasks on a project as assigned by their supervisor. Depending on the project and abilities, they will take an increasing role and responsibility for the project. Work will be a mix of field and office. The ideal candidate presents a positive customer service attitude and understanding of ECS Core Values.

Key Responsibilities

  • Actively mentor junior staff and support overall development of the team
  • Attend project meetings and provide solutions to technical and administrative issues as necessary
  • Interface with clients on a daily regular basis. Maintain and develop a client database.
  • Basic ability to manage project budgets. Prepare change orders, invoices, and assist with collection efforts
  • Scheduling, training and oversight of subordinate staff members
  • Good ability to prioritize tasks to meet project deadlines. Consult with your supervisor to help prioritize tasks on a weekly basis.
  • Management of environmental projects including the application of technical support. Responsible for several projects being performed simultaneously.
  • Prepare proposals and change orders
  • Prepare environmental reports, perform analysis and provide recommendations for review by senior staff
  • Perform review of deliverables prepared by subordinate staff prior to submission for senior and principal review
  • Host or attend project discussions with clients, follow up on reports to determine if there are questions
  • Have completed internal Phase I ESA training.
  • Complete Phase I ESAs under the direction of supervisor (Supervisor must be EP as defined by ASTM).
  • Initiate project set up and scheduling. Perform site reconnaissance, file review and report preparation independently. Communicate project progression and findings with project Principal. Work with Project Principal to finalize report, submission of deliverable, discuss findings with client and complete project closeout.
  • Possesses strong technical writing skills with regard to basic conventions of spelling, grammar, and professional content/tone. Knows, understands, and uses standard industry terms and jargon (units of measure, chemical compounds, geological details, etc.). Effectively proofreads their own written work.
  • Other duties as assigned.

Required Qualifications

  • Bachelor and/or Master of Science in Environmental Science, Geology, Environmental Engineering, or other related environmental degree
  • Minimum 4 years of related experience and ability to meet the qualifications of an Environmental Professional (EP) as defined by ASTM E1527.

Skills And Abilities

  • Good knowledge of environmental principles and applications.
  • Good knowledge of permitting processes, environmental regulations, and environmental test methods
  • Good ability to manage and develop new clients. Seek out opportunities to develop relationships with clients.
  • Experience independently managing multiple projects simultaneously
  • Must be able to lift a minimum of 40 pounds on occasion and walk on uneven ground through various terrains

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-6
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 #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 #50 in Zweig Group’s Hot Firm List (May 2025). For additional information about ECS, visit: www.ecslimited.com.

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

Salary.com Estimation for Due Diligence Project Manager in St Louis, MO
$110,167 to $142,096
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Due Diligence Project Manager?

Sign up to receive alerts about other jobs on the Due Diligence Project Manager career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$117,314 - $157,710
Income Estimation: 
$117,421 - $160,775
Income Estimation: 
$131,154 - $180,750
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at ECS Group of Companies

  • ECS Group of Companies Louisville, KY
  • What You'll Do ECS Limited is seeking an experienced leader to manage our construction materials testing group in our Louisville office. As our Constructio... more
  • 1 Day Ago

  • ECS Group of Companies Miami, FL
  • Engineering Consulting Services (ECS) is seeking an experienced Environmental Principal to join our Florida Environmental Team in Miami, FL. This senior le... more
  • 1 Day Ago

  • ECS Group of Companies Chantilly, VA
  • ECS Limited is offering a unique opportunity for a talented Specialty Technician I to join our Chantilly team and advance in a dynamic work environment. Yo... more
  • 1 Day Ago

  • ECS Group of Companies Miami, FL
  • Engineering Consulting Services (ECS) is seeking an experienced Environmental Prinicipal to join our Florida Environmental Team in Miami, FL. This senior l... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Due Diligence Project Manager jobs in the St Louis, MO area that may be a better fit.

  • National Due Diligence Services, A Division of American Surveying & Mapping, Inc. Maitland, FL
  • National Due Diligence Services (NDDS) is seeking a highly motivated, detail-oriented, and resourceful individual to join our Zoning Department as a Projec... more
  • 4 Days Ago

  • LaBella Associates Ballston Spa, NY
  • We are currently hiring a Due Diligence Project Manager to work in the Environmental Division’s Phase I Environmental Site Assessment (ESA) and Constructio... more
  • 8 Days Ago

AI Assistant is available now!

Feel free to start your new journey!