Essential Duties and Responsibilities: This position is a senior leadership role involving technical, client, staff, and business development responsibilities, including: 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. 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.