Engineer III

Claros Technologies•Minneapolis, MN

8d•$90,000 - $110,000•Onsite

About The Position

The Engineer III is responsible for supporting the design, implementation, and operation of PFAS destruction systems, including pilot- and commercial-scale projects. This role is critical to project execution, equipment specification, and process development, ensuring that Claros’ UV-PFAS destruction technology meets client needs and regulatory requirements. The Engineer III works closely with Sales, Engineering, Manufacturing, and external partners to deliver safe, efficient, and high-quality solutions that enable sustainable and responsible PFAS management.

Requirements

Bachelor’s degree in Engineering (Chemical Engineering preferred; Mechanical Engineering considered).
3–5+ years of experience in project engineering, process design, pilot system execution, or manufacturing environments within water treatment, chemical, or environmental technology.
Experience supporting capital projects, ideally in the multi-million-dollar range.
Strong understanding of water and wastewater treatment principles and water chemistry.
Proficiency in developing PFDs and P&IDs using AutoCAD or similar software.
Strong analytical, problem-solving, and technical writing skills, including development of manuals and operating procedures.
Ability to manage multiple complex projects simultaneously and work effectively across cross-functional teams.
Familiarity with applicable engineering standards and safety practices (ASME, ASTM, ANSI, UL, CE, CSA, and international codes).

Nice To Haves

Master’s degree in Engineering.
Experience working at customer sites, including commissioning, troubleshooting, and performance testing.
Wastewater or industrial water treatment experience (e.g., experience with large manufacturers such as 3M, Daikin, or similar organizations).
Experience with industrial controls, instrumentation, electrical systems, or data acquisition platforms; ability to collaborate effectively with controls engineers.
Willingness to learn and apply technical standards outside of primary engineering discipline.

Responsibilities

Manage and coordinate multiple client pilot and commercial projects from design through delivery, ensuring alignment with project plans, schedules, budgets, and quality requirements.
Partner with Sales and Business Development to walk customer sites, assess pilot feasibility, and evaluate pathways from pilot to full commercialization.
Oversee fabrication, testing, installation, commissioning, and performance evaluation of PFAS destruction systems and equipment.
Ensure all project deliverables meet defined scope, schedule, and quality standards.
Teach, mentor, and provide technical guidance to junior engineers and technicians; review and check engineering work for accuracy and completeness.
Participate in customer meetings, providing clear technical updates, data interpretation, and recommendations.
Perform process mass and energy balances; develop and maintain Process Flow Diagrams (PFDs) and Piping & Instrumentation Diagrams (P&IDs).
Specify and select process equipment, UV systems, instruments, valves, and piping components.
Develop technical specifications and conduct bid comparisons and vendor evaluations for equipment procurement.
Support and execute experimental testing, pilot trials, and performance evaluations of PFAS destruction technology; analyze pilot data and recommend process or design optimizations.
Prepare and maintain comprehensive project documentation, including drawings, manuals, operating procedures, specifications, test reports, and change records.
Contribute to the development and standardization of engineering documentation, technical specifications, and project control systems.
Assist with proposal preparation, capital cost estimates (including multi-million-dollar projects), and technical writing for customer quotations.
Support trade shows or conferences as a technical representative.
Protect proprietary information and intellectual property by adhering to confidentiality and documentation procedures.
Participate in safety programs, hazard reviews, and continuous improvement initiatives.