Senior Environmental Engineer

Clean Up What Matters. Lead Work That Lasts.Are you an environmental professional who wants more than oversight without influence?Our client is a small, self-owned environmental consulting firm based in the Seattle-Tukwila area, focused on complex site cleanup work across the Pacific Northwest. Their projects often involve challenging industrial waterfront and coastal environments where technical leadership, regulatory judgment, and trusted decision-making truly matter.If you're motivated by solving the hard problems, guiding teams through complexity, and shaping cleanup strategies that stand the test of time, this role was built for you.The OpportunityWe're seeking a Senior to Principal-level Environmental Engineer or Geologist to provide technical leadership and strategic direction across our remediation portfolio in Washington and Oregon. This role is ideal for a seasoned consultant who enjoys remaining technically engaged while also leading teams, mentoring staff, and serving as a trusted advisor to clients and regulators.This is not a hands-off leadership role. You'll be directly involved in project strategy, design decisions, regulatory coordination, and construction oversight, with the authority and responsibility to guide projects from early planning through implementation.In this role, you will:Lead complex remediation projects in industrial waterfront and coastal environmentsServe as a technical authority and professional of record on select projectsGuide project teams through investigation, feasibility, cleanup design, and implementationProvide senior-level judgment on regulatory strategy, risk management, and remedial approachBuild trusted relationships with clients, agencies, and project partnersWhat You'll Be DoingLead and review environmental remediation projects involving soil, groundwater, sediment, surface water, stormwater, and vapor contaminationServe as Professional Engineer or Professional Geologist of record, as appropriateDirect preparation and review of technical deliverables including Phase I and Phase II ESAs, RI/FS documents, cleanup action plans, design packages, and compliance monitoring plansProvide technical oversight and quality control for engineering calculations, cost estimates, bases of design, and integrated design and specifications packagesOversee and participate in construction oversight, environmental sampling, and monitoring effortsGuide and mentor project managers, engineers, scientists, and field staffLead client coordination, regulatory engagement, and stakeholder discussionsSupport project financial management, including scope definition, budgeting, and schedulingContribute to strategic growth, proposal development, teaming partnerships, and client developmentWhat We're Looking ForBachelor's or Master's degree in Environmental Engineering, Geology, or a closely related fieldRegistered Professional Engineer (PE) or Licensed Geologist (LG/PG) in Washington or Oregon, or ability to obtain through comity10-30 years of experience in environmental consulting, remediation, and contaminated site investigationDeep experience delivering complex remediation projects for public and private sector clientsStrong working knowledge of Pacific Northwest regulatory frameworks including WA MTCA, CERCLA, Oregon DEQ requirements, Sediment Management Standards, and related federal programsExperience integrating upland and in-water investigation and remedial strategies, including dredging, sediment cleanup, and source controlProven ability to lead multidisciplinary teams and mentor developing professionalsStrong technical writing, critical thinking, and professional judgmentWillingness to travel regionally for project oversight, meetings, and client engagementWork Environment & TravelPacific Northwest basedCombination of office work, field presence, and client engagementRegional travel within Washington and OregonFlexible work schedule, provided client needs and project commitments are metWhy This Role Stands OutThey intentionally remain small, collaborative, and technically driven. Senior leaders are not removed from the work, they are central to it. You'll have real influence over technical decisions, project strategy, and how they deliver work to our clients.This role offers the opportunity to apply decades of experience in a setting that values judgment, trust, and long-term impact over volume and bureaucracy.