SeniorPrincipal Environmental Engineer

Senior / Principal Environmental Engineer Job Category: Environmental Engineering Job Type: Full Time Location - City: Bellevue or Seattle (Hybrid) Location - State: Washington Solve Complex Problems. Shape Communities. Own Your Impact. If you’re a seasoned environmental engineer who enjoys tough technical challenges, strong client partnerships, and helping a team improve its engineering practice, this is a chance to step into a senior, highly visible role. You’ll join a 100% employee-owned firm built on shared purpose and long-term commitment. Clients trust its scientists and engineers with their most complex environmental challenges, from high-stakes remediation projects to regulatory negotiations that shape communities. The team takes pride in delivering solutions that are technically sound, defensible, and practical. This role suits someone who works well across disciplines, likes mentoring emerging professionals, and is comfortable acting as a trusted advisor to clients working through technical, regulatory, and business challenges. What You’ll Get Out of This Role You’ll work alongside industry leaders who are shaping the future of environmental consulting across the West Coast. Your expertise will directly influence project outcomes, client relationships, and the firm’s continued growth. As an owner, you’ll share in the success you help create through participation in the firm’s ESOP and an annual performance-based bonus. You’ll be in a culture that values safety, quality, and continuous improvement, with real support for your professional growth. If you want to lead complex work, grow a practice, and build something you have a stake in, this role delivers. What You’ll Be Doing You’ll originate and grow client relationships while finding new opportunities across the firm’s core practice areas. You’ll build cleanup strategies on strong conceptual site models and regulatory insight. You’ll lead multidisciplinary teams through every phase of a project: site assessment, investigation, remedy selection, construction, and closure. You’ll manage scope, budget, schedule, and quality across multiple complex projects at once. On the technical side, you’ll prepare and oversee feasibility studies, pilot testing, remedial system design, bid specifications, and engineering drawings. You’ll also develop and review remedial cost estimates across the project lifecycle. You’ll make sure key deliverables meet a high technical standard, including RI/FS reports, Cleanup Action Plans, Engineering Design Reports, and Cleanup Action Reports. You’ll maintain strong relationships with clients, regulators, and project partners. Internally, you’ll mentor, coach, and develop staff engineers and scientists while supporting business development across the firm. What Makes You a Strong Fit You have deep technical expertise and strong business sense. You’re as comfortable designing a remedial system as you are negotiating with regulators or pitching a new client. You likely bring strong engineering design skills across multiple contaminants and remedial technologies, plus a solid working knowledge of the regulatory landscape. You’re also organized and confident leading teams and managing several complex projects without losing momentum. You enjoy developing people and take pride in raising the quality of work across a team. Most importantly, you’re a builder. You look for new clients and practice areas and take ownership of growing the business. Qualifications ABET-accredited BS or MS in civil or environmental engineering Professional Engineer (PE) license in Washington 15+ years of environmental consulting experience, including investigation, remediation system design, and implementation Strong engineering design capabilities across multiple contaminants and remedial technologies (air sparge, SVE, MPE, in-situ treatment, excavation, engineering controls) Experience developing cleanup strategies and associated cost estimates Working knowledge of MTCA, RCRA, CERCLA, and related regulatory guidance Experience with VCP cleanups Permitting experience (PSCAA, CSGP, NPDES, local jurisdictions) Experience communicating with local, state, and federal regulators Proven ability to manage multidisciplinary teams and complex projects Strong written and verbal communication skills, including preparing proposals and technical reports Experience developing new clients or practice areas Familiarity with GIS, data management, and analytical methods is a plus Experience with PFAS, air compliance, sediment remediation, stormwater permitting, SPCC, SWPPP, Industrial Stormwater Permits, or Sand & Gravel Permits is a plus Compensation & Benefits Salary range: $180,000 – $240,000 (depending on experience, education, and internal equity; reviewed annually) Annual cash bonus based on firm and individual performance Employee Stock Ownership Plan (ESOP) participation 100% employer-paid medical, dental, and vision premiums for employees 401(k) with up to a 4% company match Flexible vacation (10–30 days), 9 paid holidays, and a paid volunteer day Tuition reimbursement and paid professional certification renewals Additional benefits may include life, AD&D, and disability coverage, parental leave, an employee assistance program, flexible work options, paid parking or transit, charitable donation matching, and a one-time home office setup reimbursement Work Environment This is a full-time, exempt, hybrid role based in either the Seattle or Bellevue, Washington office. The firm is employee-owned and collaborative, with a culture built on technical excellence, safety, and long-term commitment to its people and clients. If you’re looking for a role where you can lead complex environmental work, grow a practice, and share in the firm’s success as an owner, this could be your next step. Compensation: $180,000-$240,000 per year #J-18808-Ljbffr Enginuity Advantage