Principal Civil / Environmental Engineer

Overview Geosyntec has an exciting opportunity for a Principal Civil/Environmental Engineer to join its California practice, with flexibility to sit in our Oakland office or other locations in Northern or Southern California. This position is ideal for an accomplished civil/environmental engineering consultant with deep experience in landfill closure and redevelopment, gas and vapor intrusion mitigation system design, construction engineering and management, environmental remediation, probabilistic cost estimating, and litigation support. The role will provide senior technical leadership, project delivery oversight, client advisory support, and practice growth across complex redevelopment, solid waste, remediation, and construction-related environmental projects. This is an excellent opportunity for a highly experienced practitioner to help expand Geosyntec's multidisciplinary environmental engineering capabilities while mentoring staff and serving as a trusted advisor to clients, regulators, attorneys, and project teams. Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service. We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family. To Learn More Visit: Essential Duties and Responsibilities Lead and manage complex civil/environmental engineering projects involving landfill investigation, closure, post-closure land use, redevelopment, environmental remediation, gas and vapor intrusion mitigation, and construction support. Serve as Engineer in Responsible Charge for gas and vapor intrusion mitigation systems addressing methane, mercury vapor, radon, VOCs, and other indoor air intrusion concerns. Oversee design, construction quality assurance, startup, operation, maintenance, monitoring, and performance evaluation for sub-slab and related mitigation systems in accordance with applicable regulatory requirements. Provide senior technical leadership for landfill closure and redevelopment projects, including final closure plans, post-closure land use plans, landfill gas monitoring plans, methane mitigation system plans and specifications, completion reports, and OM&M plans. Direct multidisciplinary teams providing geotechnical, environmental, site/civil design, construction observation, special inspection, remediation, and redevelopment support services. Develop and review plans, specifications, contract documents, work plans, site management plans, remedial action plans, regulatory submittals, cost estimates, and technical reports. Apply decision analysis and probabilistic methods to construction cost estimating, feasibility studies, remediation cost recovery, cost allocation, and risk-informed project planning. Provide litigation support and expert consulting services, including document review, expert report preparation, technical memoranda, deposition support, arbitration support, and sworn testimony, as appropriate. Advise clients on regulatory strategy and technical approaches for complex brownfields, landfill, hazardous waste, groundwater, vapor intrusion, PFAS, petroleum hydrocarbon, and redevelopment projects. Build and maintain strong relationships with private developers, public agencies, institutional clients, attorneys, regulators, contractors, architects, and other project stakeholders. Support business development through client engagement, proposal preparation, technical presentations, professional association involvement, and identification of strategic growth opportunities. Mentor and develop technical staff in engineering design, construction quality assurance, project management, regulatory strategy, cost estimating, technical writing, and client service. Drive personal, company, and rental vehicles to client, project, and office locations, as needed. Education and Licensure Bachelor's degree in civil engineering, environmental engineering, geotechnical engineering, construction engineering/management, or a closely related engineering discipline. (required) Advanced degree, preferably an M.S. or Ph.D., in civil engineering, environmental engineering, construction engineering and management, or a related discipline. (preferred) Current Professional Engineer (PE) registration, with California registration or ability to obtain California registration promptly. (required) Additional relevant contractor licensing, hazardous materials certification, or other professional credentials are a plus. Skills, Experience and Qualifications At least 10 years of relevant consulting, engineering design, project management, or construction management experience in civil/environmental engineering; or an equivalent combination of education and experience. (required) Demonstrated technical expertise in landfill closure, post-closure care, redevelopment, landfill gas management, solid waste engineering, brownfields redevelopment, and environmental remediation. (required) Significant experience designing, implementing, and evaluating gas and vapor intrusion mitigation systems for methane, mercury vapor, radon, VOCs, and other regulated constituents. (required) Strong working knowledge of California and federal environmental regulatory programs and agencies, including experience with DTSC, RWQCB, CalRecycle, local enforcement agencies, BAAQMD, and USEPA. (required) Experience leading multidisciplinary project teams through investigation, design, permitting, construction observation, construction quality assurance, regulatory closure, and redevelopment support. (required) Proven ability to prepare and review technical deliverables, including engineering plans and specifications, remedial action documents, closure plans, monitoring plans, cost estimates, expert reports, technical memoranda, and regulatory correspondence. (required) Experience applying probabilistic cost estimating, sensitivity analysis, decision analysis, and risk-informed approaches to feasibility studies, cost allocation, cost recovery, and construction planning. (preferred) Litigation support or expert witness experience involving environmental remediation, construction claims, landfill closure, cost allocation, hazardous waste, or multi-party environmental matters is strongly preferred. Demonstrated client relationship management, business development, proposal leadership, and trusted advisor skills with private, public-sector, institutional, legal, and developer clients. (required) Excellent written and verbal communication skills, including the ability to prepare defensible technical documents, communicate complex engineering concepts, present to clients and regulators, and support dispute resolution or legal proceedings. (required) Strong commitment to mentoring staff, developing technical teams, maintaining quality standards, and contributing to professional organizations or industry guidance initiatives. (required) Ability to manage multiple priorities in a fast-paced consulting environment and travel to client, project, and office locations as needed. (required) Health & Safety training, medical monitoring, and client-driven background or drug screening may be required. Valid U.S. driver's license and a satisfactory driving record for business travel. (required) This opportunity will be posted for at least five days. Below are the potential compensation ranges that we in good faith believe are applicable for this role at the time of this posting and are only applicable for jobs to be performed in the specified location(s) below. The typical base salary range for this position is just one component of Geosyntec's total compensation package for employees. Actual compensation will be determined based on education, experience, skill set and location. Minimum Salary: $156,115/year / Maximum Salary: $218,560/year (Oakland, Walnut Creek) We offer a comprehensive benefits package including, paid holidays, vacation, sick, and personal paid time off, medical, dental, vision, life, and disability insurance, 401(k), and other benefits to eligible employees.

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