Pre-Commissioning Engineer

Summary

Clean Harbors is an environmental and industrial services company. The Pre-Commissioning Engineer will develop, model, and oversee temporary flushing and filtration systems for data-center water systems, including hydraulic analysis, equipment sizing, execution planning, and field verification. The role also involves technical reviews, customer meetings, project coordination, and maintaining hydraulic performance ownership.

Responsibilities

• Ensures Health and Safety is the number one priority by complying with all safe work practices, policies, and processes and acting in a safe manner at all times
• Develop flushing circuits, system boundaries, bypass arrangements, and flushing sequences. Implementation and execution of assembled flushing plans
• Review P&IDs, mechanical drawings, BIM information, equipment schedules, specifications, and system design criteria. Calculate system volumes, required flow rates, pipe velocities, pressure losses, differential pressures, and system resistance
• Determine temporary pumping and filtration requirements, circuit boundaries, flow paths, temporary connections, instrumentation locations, bypasses, water requirements, and applicable flow, pressure, velocity, filtration, and cleanliness acceptance criteria
• Participate in customer technical meetings, drawing reviews, constructability reviews, site walks, equipment planning, scheduling, and project risk reviews
• Maintain technical ownership of the hydraulic performance of the flushing system while working collaboratively with project management and field
• Other duties as assigned

Skills

• Bachelor's Degree in Mechanical, Chemical, Civil, Industrial, Construction Engineering or a closely related discipline
• 3-5 years' relevant experience
• Understanding of pump curves, system curves, and pump operating points
• Ability to calculate flow, pipe velocity, pressure loss, and system resistance
• Ability to read and interpret P&IDs and mechanical construction drawings
• Demonstrated understanding of fluid mechanics, piping hydraulics, centrifugal pumps, and mechanical systems
• Strong written and verbal technical communication skills
• Ability to translate engineering calculations into practical field solutions
• Strong mechanical aptitude and field troubleshooting skills
• Ability to travel 50%-75%
• Experience with Pipe Flow Expert, AFT Fathom, Bluebeam, AutoCAD, Revit, Navisworks, or similar engineering/construction software is preferred

Qualifications

Must Haves

• Bachelor's Degree in Mechanical, Chemical, Civil, Industrial, Construction Engineering or a closely related discipline
• 3-5 years' relevant experience
• Understanding of pump curves, system curves, and pump operating points
• Ability to calculate flow, pipe velocity, pressure loss, and system resistance
• Ability to read and interpret P&IDs and mechanical construction drawings
• Demonstrated understanding of fluid mechanics, piping hydraulics, centrifugal pumps, and mechanical systems
• Strong written and verbal technical communication skills
• Ability to translate engineering calculations into practical field solutions
• Strong mechanical aptitude and field troubleshooting skills
• Ability to travel 50%-75%

Nice to Haves

• Experience with Pipe Flow Expert, AFT Fathom, Bluebeam, AutoCAD, Revit, Navisworks, or similar engineering/construction software is preferred

Benefits

• Opportunities for growth, development and internal promotion
• Health, Dental and Life Insurance
• 401K
• Tuition reimbursement
• Paid time off
• Employee Stock Purchase Plan
• Company paid certifications, licenses and training