Senior Solid Waste & Remediation Engineer

Seattle, WA | Hybrid
Salary: $130,000 - $170,000 + Annual Bonus + Comprehensive Benefits

Build Solutions for Complex Environmental and Solid Waste Challenges

An established employee-focused environmental consulting firm is seeking a Senior Solid Waste & Remediation Engineer to support and lead a diverse portfolio of landfill, solid waste, remediation, and environmental compliance projects throughout the Pacific Northwest.

This position offers the opportunity to work on technically challenging projects that directly impact environmental stewardship, infrastructure resilience, and regulatory compliance. The successful candidate will play a key role in project delivery, client management, technical leadership, and mentoring while collaborating with a multidisciplinary team of engineers, geologists, and environmental scientists.

Key Responsibilities

• Lead and manage solid waste and landfill engineering projects from planning through implementation.
• Support investigation, remediation, and corrective action projects for municipal and industrial clients.
• Design and evaluate landfill systems, including leachate collection, landfill gas infrastructure, stormwater controls, and closure/post-closure components.
• Prepare engineering calculations, technical reports, permit applications, and regulatory compliance documentation.
• Coordinate with regulatory agencies, clients, contractors, and internal project teams.
• Manage project budgets, schedules, scopes, and technical deliverables.
• Provide mentorship and technical guidance to junior staff.
• Support proposal development, client relationship management, and business growth initiatives.

Required Qualifications

• Bachelor's degree in Civil, Environmental, Chemical, or related Engineering discipline.
• 5+ years of experience in solid waste, landfill engineering, environmental remediation, or environmental consulting.
• Professional Engineer (PE) license, or ability to obtain licensure within a reasonable timeframe.
• Experience managing environmental or engineering projects and serving as a client-facing project lead.
• Knowledge of landfill operations, leachate management systems, landfill gas systems, solid waste regulations, and environmental compliance programs.
• Strong technical writing, communication, and project management skills.
• Ability to perform occasional field work and site visits.

Preferred Qualifications

• 8+ years of consulting experience.
• Experience with MTCA, Washington Department of Ecology regulations, stormwater permitting, and environmental compliance programs.
• Background in landfill design, transfer stations, landfill gas collection systems, leachate management, and closure/post-closure care.
• Experience leading multidisciplinary teams.
• Business development and client management experience.
• Existing relationships with municipal, industrial, or waste-sector clients in the Pacific Northwest.

Why Consider This Opportunity?

• Competitive compensation package with base salary ranging from $130,000 to $170,000, depending on experience.
• Annual performance bonus and strong benefits package.
• Opportunity to work on a broad mix of solid waste, landfill, remediation, compliance, and environmental infrastructure projects.
• Exposure to high-profile projects across the Pacific Northwest.
• Clear path toward Senior Project Manager, Principal, and Practice Leadership positions.
• Collaborative culture focused on technical excellence, employee development, and long-term career growth.
• Flexibility to pursue both technical and client-facing leadership opportunities as your career evolves.

This role is ideal for an engineer with a strong foundation in solid waste and remediation who is looking to take on greater project leadership responsibilities while contributing to the growth of a well-established environmental consulting practice.