Senior Sediment Scientist - 15 years minimum experience - Remote within USA

AECOM is seeking a Senior Sediment Environmental Scientist with 15+ years of experience in sediment remediation, environmental science, and contaminated site management. This leadership position is ideal for a highly experienced environmental scientist who excels in managing complex sediment remediation projects, developing innovative solutions, and mentoring teams. The ideal candidate will have deep expertise in sediment site assessments, remedial design, and implementation under CERCLA (Comprehensive Environmental Response, Compensation, and Liability Act) regulations. This role requires a proven ability to drive high-level technical decisions, manage large-scale projects, and interact with clients and regulatory agencies at the highest levels.As a Senior Sediment Environmental Scientist, you will take on a leadership role in managing and directing sediment remediation projects from concept through to post-remediation monitoring. You will be responsible for the strategic direction, technical quality, and regulatory compliance of multiple projects while mentoring junior and mid-level staff. Your role will involve working closely with senior management, clients, and stakeholders to ensure projects are delivered on time, within budget, and in full compliance with environmental regulations.We are open to having the candidate work from any location within the US Mainland.  And we are also flexible to part time roles along with full time roles as well.  Some of the Key Responsibilities will be: Leadership in Sediment Site Investigations & Characterization:   Lead complex sediment site assessments, environmental investigations, and contaminant assessments in aquatic and terrestrial environments. Provide technical direction on sampling plans, data collection methods, and analysis of sediment, water, and biota to evaluate the extent of contamination and associated risks.Strategic Remedial Design & Technology Leadership:   Develop, oversee, and guide the design of advanced sediment remediation strategies for challenging sites, including dredging, capping, in-situ treatment, and ecological restoration. Lead the preparation of Remedial Investigation/Feasibility Studies (RI/FS), Remedial Action Plans (RAPs), and Risk Assessments tailored to site-specific conditions.Regulatory Oversight & Compliance Management:  Ensure compliance with federal, state, and local environmental regulations, including CERCLA, RCRA, and other applicable environmental laws. Lead regulatory negotiations, prepare high-level reports for regulatory agencies, and manage the permit and approval processes for complex remediation projects.Project Management & Oversight:   Take full responsibility for managing multiple sediment remediation projects, including overseeing scope, schedule, budget, and resource allocation. Ensure that projects meet client expectations, regulatory requirements, and company quality standards. Lead project teams, monitor progress, and adjust plans to resolve issues that arise during project execution.Business Development & Client Growth:   Build and nurture strong relationships with potential clients, regulatory agencies, and industry stakeholders to expand the company's client base. Lead proposal development, including writing technical sections, cost estimates, and coordinating multidisciplinary teams to submit competitive bids for new projects. Assist senior leadership in developing strategies for market expansion, identifying emerging trends, and fostering long-term partnerships to support business growth.Client & Stakeholder Management:

Serve as the primary technical and strategic contact for clients, maintaining and building relationships with key stakeholders. Regularly provide high-level project updates, address technical challenges, and guide clients through decision-making processes. Ensure the timely delivery of reports, presentations, and other client-facing deliverables.Health & Safety Oversight:  Oversee the development and implementation of Health and Safety Plans (HASPs) for field projects, ensuring that all site activities are conducted safely and in compliance with applicable health and safety regulations. Promote a culture of safety within the team and on-site.Post-Remediation Monitoring & Long-Term Site Management:  Lead post-remediation monitoring efforts to assess the effectiveness of remedial actions. Ensure that monitoring programs are designed to track site recovery and compliance with remedial objectives. Oversee the preparation of post-remediation reports and long-term stewardship plans.Team Leadership & Staff Development:  Mentor and develop junior and mid-level staff, providing technical guidance, project oversight, and career development support. Encourage knowledge-sharing and foster an environment of continuous improvement and innovation within the team.Innovation & Technical Excellence:  Drive innovation in sediment remediation practices, evaluating new technologies and approaches to improve remediation outcomes. Participate in industry conferences, publish technical papers, and stay current on emerging trends in environmental science and remediation technologies.