Senior Principal Engineer – Water Treatment Process Design Job Summary:
We are seeking for a Senior Principal Engineer to play a key role in advancing sustainable water practices across our operations. This position focuses on reducing freshwater use through innovative reuse, recycling, and recovery strategies, while minimizing environmental impact

• Prepare and review complex engineering deliverables, including process models, mass balances, and design documentation.
• Serve as a subject matter expert on large-scale water treatment projects and operational troubleshooting.
• Guide internal teams on treatment process selection, equipment design, and cost-effective solutions.
• Collaborate with site and project leaders to align engineering strategies with business goals.
• Advise on applied research and testing to inform process design.
• Participate in industry events and contribute to innovation and continuous improvement.
• Support strategic planning and manage budgets for consulting and vendor services.

• Bachelor’s degree in Engineering or related engineering discipline and ten (10) years experience in related engineering field; OR
• Master’s degree in Engineering or related engineering discipline and eight (8) years experience in related engineering field; OR
• PhD in Engineering or related engineering discipline and six (6) years experience in related engineering field.
• Advanced knowledge of process design for treatment of various industrial quality waters, municipal water and wastewater, and sea water, engineering design principles and applicable design guides and standards.
• Able to communicate complex technical concepts clearly and effectively, both verbally and in writing in English to a diversely educated audience
• Proficiency in MS Office including CoPilot and ability to manage complex projects.
• Ability and willingness to travel internationally, averaging 5 weeks per quarter.

Senior Engineer – Water Treatment Process Design Preferred Position Requirements:

• MBA or related certification/experience in financial and economic evaluations
• Registered Professional Engineer
• Management of large and complex projects covering several disciplines.
• Knowledge in the principles and practices of Civil and Environmental Engineering in addition to Chemical Engineering as related to treatment plant design and expertise in modeling approaches to solving engineering challenges
• Experience with metal mining operations, with an understanding of hydrometallurgy and concentrating processes.
• Have a mixture of design and operational experience in mine / industrial water treatment processes and facilities.
• Project Management experience with specific experience with cost estimating for civil/chemical/environmental projects, project scheduling and project controls
• Able to evaluate and implement new methods and techniques in design projects and operational support with proficiency in using appropriate software for process design and plant design
• Fluency in Spanish or Bahasa Indonesian languages