Environmental Senior Project Manager - Principal

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

• 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
• Directs project planning, staffing, and implementation activities
• Oversees complex environmental investigations
• Reviews field reports and technical documentation
• Develops site work plans and investigation strategies
• Manages remediation design, installation, operation, and maintenance activities
• Oversees underground storage tank assessment projects
• Leads client meetings and communicates project milestones and significant findings

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

The expected pay range for this role and location is $80k - $130k/year. The final agreed-upon compensation will be determined based on specific location and other individual qualifications.

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:

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