Environmental Senior Project Consultant

Engineering Consulting Service; Marysville (WA); On-site; USD 95,000 - 105,000; Full time

Job summary

ECS Group of Companies, a leading environmental and infrastructure consulting firm, seeks an Environmental Senior Project Consultant in Washington state. You will lead multi-project environmental efforts, mentor staff, manage client relationships, and ensure profitable, compliant project execution.

This role requires travel and a strong command of environmental regulations. Ideal candidates will have10+ years in environmental consulting, advanced degrees in civil/environmental disciplines, and

Qualifications

• 10 years of related experience in environmental consulting or an equivalent combination of advanced education and experience
• High school diploma or GED required; Bachelor's/Master's in Civil/Environmental Engineering preferred
• Obtain and/or maintain licensure or certifications applicable to the 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
• The following US Military ranks will qualify IF they meet education/licenses: E-6/E-7

Responsibilities

• Lead and oversee environmental consulting projects from proposal through closeout
• Serve as primary client contact and manage client relationships
• Mentor technical staff and support professional development
• Manage project budgets, profitability, invoicing, and collections
• Review proposals, scopes of work, and fee estimates
• Prepare and review environmental reports and recommendations
• Coordinate staffing and resource allocation across multiple projects
• Travel out-of-town as required
• Ensure projects are delivered safely and in accordance with standards
• Provide guidance on technical, operational, and project management issues

Skills

Project management

Client relations

Leadership

Budgeting

Staff development

Communication

Education

B.S./M.S. in Civil/Environmental Eng

High School diploma or GED

Professional licensure

Tools

AutoCAD

PFDs & P&IDs

Autodesk

Job description

Responsibilities

The Environmental Senior Project Consultant 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 Consultant 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.

• Designs and oversees both temporary dewatering treatment systems and permanent remedial systems for groundwater and surface water applications with a strong understanding of sample collection, preparation, preservation, and laboratory submission regulations and guidelines
• Develops skills and expertise in other sector-specific water treatment applications
• Designs, oversees, reviews, and interprets hydrogeologic and contaminant fate and transport evaluations
• Leads and designs pilot tests, treatability studies, and system startups
• Provides field oversight during installation, commissioning, troubleshooting, and performance monitoring of treatment systems
• Demonstrates a strong understanding of:
• Hydrogeologic and chemical processes governing contaminant behavior
• Advanced in-situ and ex-situ remediation technologies
• Emerging contaminants in water and best available technologies for remediation methods
• Exhibits an advanced understanding of water testing procedures, high-pressure filtration systems, NPDES, and temporary discharge permitting with regional expertise and working knowledge of national standards and performs related on-site compliance inspections
• Develops engineering drawings, specifications, and permit applications for treatment systems
• Reviews Process Flow Diagrams (PFDs) and Process and Instrumentation Diagrams (P&IDs) within AutoCAD and other Autodesk Programs
• Reviews and interprets analytical and water quality data using data trend analysis tools
• Maintains a working knowledge of data system collection methods, control system logic, and troubleshooting basics
• Reviews and provides feedback on field and laboratory testing by others and performs training and/or corrective action as necessary
• Communicates with junior staff to direct field work performed by subcontractors and other field staff
• This position will require out-of-town travel and a willingness to travel is required
• 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

Required Qualifications

• 10 years of related experience in environmental consulting or an equivalent combination of advanced education and experience (i.e., 4-year degree + 6 years of experience or Associate degree + 8 years of experience)
• High school diploma or GED required
  • 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 is preferred
• Obtain and/or maintain licensure or certifications applicable to the work performed or managed
• 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 capabilitiesStrong 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-6/E-7

The expected pay range for this role and location is $95,000 - $105,000/year. The final agreed-upon compensation will be determined based on specific location and other individual qualifications.

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 3,200 employees in 125 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.