Principal Technical Consultant, Water Resource Advisor

Shape the future of sustainable water management with a global leader in environmental and sustainability consulting. ERM is seeking an energetic, casual part-time Principal Technical Consultant, Water Resource Advisor to join our growing Water practice in Walnut Creek, California. In this role, you will help leading organizations address complex water-related business challenges, strengthen resilience, and advance sustainable water stewardship. Working alongside multidisciplinary teams and ERM’s global network of water professionals, you will support clients in understanding water risks, developing strategic water goals, and implementing practical solutions that create long-term environmental and business value.

Water-related risks are increasingly influencing business performance, operational resilience, supply chain stability, and stakeholder expectations. As a Principal Technical Consultant, Water Resource Advisor, you will play a key role in helping organizations navigate these challenges through innovative, science-based solutions and strategic advisory services. Your expertise will contribute directly to advancing sustainable water management practices across industries while supporting the continued growth of ERM's Water practice.

Support clients in identifying, evaluating, and managing water-related risks and opportunities across global operations. Apply technical, analytical, and consulting expertise to address complex water resource challenges. Develop actionable strategies that help organizations achieve water stewardship objectives and sustainability commitments. Build and strengthen client relationships while contributing to business development initiatives within the Water practice. Collaborate with ERM’s global water resources network to deliver innovative and integrated solutions.

Support the continued growth of ERM’s regional water services capabilities and client portfolio.

• Required Bachelor or Master in hydrology, chemistry, geoscience, engineering or related field.
• 6+ years of relevant professional experience in water resources consulting, water stewardship, sustainability advisory services, ESG consulting, watershed management, or related disciplines.
• Experience conducting water-related risk assessments, strategy development, and advisory services for corporate clients.
• Strong analytical skills with experience evaluating complex environmental datasets and translating findings into business-relevant recommendations.
• Experience supporting ESG performance assessments, benchmarking, strategy development, and sustainability reporting initiatives.
• Knowledge of water resource management principles, watershed assessments, groundwater and surface water systems, and water quality considerations.
• Demonstrated ability to manage multiple projects and deliver high-quality client service.
• Strong written and verbal communication skills, including report writing and client presentation experience.
• Driver's License
  
  Required:
  
  This position requires a valid driver's license and/or the ability to operate a company vehicle due to the nature of job duties, which include frequent travel to various client locations across a large geographical area.
• Preferred 10+ years of relevant professional experience in water resources consulting, water stewardship, sustainability advisory services, ESG consulting, watershed management, or related disciplines.
• Experience implementing water stewardship programs and supporting Alliance for Water Stewardship (AWS) certification efforts.
• Familiarity with geospatial analysis, water risk screening tools, modeling platforms, and sustainability analytics.
• Experience developing enterprise-wide water strategies for…