Collaborate with colleagues and lead business development efforts by identifying new opportunities, expanding existing client relationships, and representing Langan at industry and regulatory events in Massachusetts and New England; Serve as technical lead and project lead on projects involving Massachusetts Contingency Plan (MCP) compliance, environmental due diligence, Brownfields redevelopment, Licensed Site Professional (LSP) oversight, and vapor intrusion mitigation; Oversee and manage multidisciplinary teams, including junior staff, senior technical professionals, and project managers; Lead client and regulatory communications, including coordination with MassDEP, city and state planning departments, and other stakeholders; Manage scopes, budgets, schedules, and profitability of projects ranging from urban infill redevelopment to coastal and climate resilience infrastructure; Ensure quality assurance and regulatory compliance in field investigations, remedial design, reporting, and risk characterization; Mentor, train, and support the growth and development of staff at all levels, fostering a culture of collaboration and innovation; Prepare/oversee/review proposals, technical reports, MCP submittals, and decision-making documents for public and private clients; Collaborate with other Langan offices and practice areas to deliver integrated services and support regional strategic initiatives; Travel to client sites, project locations, and meetings across Massachusetts and New England as needed. Bachelor’s degree in Environmental Engineering, Geology, Hydrogeology, or related environmental science field; Master’s degree preferred; 15+ years of progressive experience in environmental consulting, with direct experience in the Massachusetts market; PE or LSP required; Strong knowledge of Massachusetts Contingency Plan (MCP), RCRA, CERCLA, and other federal and state environmental laws and guidance; Expertise in environmental due diligence (ASTM), site investigations, risk assessments, remediation, and redevelopment strategies; Demonstrated success in client development, strategic growth planning, and team leadership; Excellent written, verbal, and public communication skills; Proficient in technical report writing, cost estimating, proposal preparation, and regulatory interpretation; Ability to thrive in a fast-paced, multidisciplinary team environment; Valid driver’s license and access to reliable transportation for project travel.