Environmental Senior Project Manager - Principal

Environmental Senior Project ManagerThe 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.ResponsibilitiesLeads and mentors junior staff and supports professional development across the teamManages environmental consulting projects from proposal through project closeoutServes as the primary client contact for assigned projectsMaintains and expands client relationships and business opportunitiesManages project budgets, profitability, invoicing, and collectionsReviews and approves project change orders and budgeting adjustmentsSchedules, trains, and oversees technical staff assigned to projectsCoordinates project staffing and resource allocationOversees multiple projects simultaneously and ensures successful project executionReviews and approves proposals, scopes of work, and fee estimatesPrepares and reviews environmental reports, analyses, and recommendationsConducts senior-level reviews of project deliverables before Principal reviewLeads client meetings and project discussionsSupports staffing decisions in collaboration with department leadershipProvides guidance on technical, operational, and project management issuesPerforms additional project leadership and technical duties as assignedDirects project planning, staffing, and implementation activitiesOversees complex environmental investigationsReviews field reports and technical documentationDevelops site work plans and investigation strategiesManages remediation design, installation, operation, and maintenance activitiesOversees underground storage tank assessment projectsLeads client meetings and communicates project milestones and significant findingsQualificationsRequired Qualifications5 years of related experienceBachelor'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 ConsultingMust have the ability to obtain a local license through reciprocity within three months of hire dateAdditional licensure or certifications may be required depending on the type of work performedExtensive knowledge of environmental principles, regulations, and consulting practicesExtensive knowledge of permitting requirements and environmental investigation methodologiesExcellent project management and consulting skillsStrong leadership, coaching, and team development capabilitiesStrong financial management and budgeting skillsAbility to manage multiple complex projects simultaneouslyAbility to build and maintain long-term client relationshipsStrong written and verbal communication skillsAbility to review and evaluate technical work produced by othersStrong business development and client growth capabilitiesIf driving for or on behalf of any ECS subsidiary, a valid driver's license is requiredMilitary QualificationsThe 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-7The 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.About UsECS 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 3,000 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 #38 in Zweig Group's Hot Firm List (June 2026). For additional information about ECS, visit: is an Equal Opportunity Employer.