Principal Geochemist Consultant

Overview

As a Project Leader in geochemistry and hydrogeology, you lead environmental assessments and investigations from initial appraisal through to delivery of sustainable remediation solutions. You will manage technical work and client relationships, guiding teams to meet client needs and regulatory standards. You’ll work within AECOM’s award-winning contaminated land/remediation practice to shape project outcomes across public and private sector clients. Your role combines technical design, field execution, and strategic advisory to mitigate water-related environmental risks. This is a growth-focused opportunity to influence projects at scale within a global infrastructure firm.

Pay / Benefits

• hybrid work options
• competitive compensation and wellbeing programs
• global opportunities and collaboration
• equal opportunity employer
• supportive and inclusive workplace culture
• professional development and career growth

Responsibilities

• Lead environmental assessments (PSA, DSA, QRA, DQRA, CSM) and contribute to groundwater–surface water modelling where applicable
• Oversee groundwater and surface water monitoring to inform project analysis and decision-making
• Design and implement site investigations with clear rationale and robust examination of geochemical and hydrogeological settings
• Develop, optioneer, specify, and validate remediation strategies and implementation plans
• Provide strategic advice to clients on managing and mitigating water environment impacts (surface water and groundwater)
• Support senior staff in project delivery, client relationships, and guidance to the project team

Key requirements

• Academic background in geochemical and hydrogeological aspects of geoscience, engineering hydrology or related subjects
• Extensive experience in geochemical and hydrogeological aspects of contaminated land assessment and management
• Strong understanding of contaminated land assessment regulations and guidance
• Hands-on field investigation experience (site management, drilling supervision, monitoring systems, sampling) or remediation supervision
• Experience in hydrogeological site characterisation and risk assessment; numerical modelling advantageous
• Experience in geochemical assessments; geochemical modelling advantageous
• Chartered with a recognised institution
• Proven track record of project delivery and client relationship building

• Effective communication with clients and team
• Strong leadership and mentoring abilities
• Relationship-building with stakeholders
• PSA, DSA, QRA, DQRA, CSM development
• Groundwater and surface water monitoring and data interpretation
• Site investigation design and execution

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