Senior Process Engineer - Water Treatment

Clayton Services is searching for a Senior Process Engineer – Water Treatment to join a thriving engineering company in Houston, Texas. The Senior Process Engineer – Water Treatment will lead Front-End Engineering Design (FEED) verification and provide technical oversight for large-scale produced water treatment and industrial process projects. This position will be responsible for validating engineering designs, identifying technical deficiencies, and ensuring project readiness for detailed engineering and EPC execution.

Job Type: Direct Hire

Pay Rate: $150,000 - $160,000/year

Benefits: Medical, dental, vision, 401(k) with company match, PTO, and more.

Senior Process Engineer – Water Treatment Responsibilities

• Lead FEED verification activities for produced water treatment, water infrastructure, and industrial process facilities.
• Review and validate design basis memorandums, Process Flow Diagrams (PFDs), and Piping and Instrumentation Diagrams (P&IDs).
• Evaluate process design calculations, utility balances, equipment sizing, operating conditions, and process control philosophies.
• Review produced water treatment systems, recycle configurations, and equipment redundancy requirements.
• Verify process equipment specifications and performance requirements for pumps, tanks, filtration systems, chemical injection systems, and related treatment equipment.
• Coordinate multidisciplinary technical reviews involving mechanical, piping, electrical, instrumentation, controls, civil, structural, and pipeline engineering teams.
• Evaluate pipeline hydraulics, process simulations, and overall system performance.
• Lead process hazard reviews and identify potential operational, environmental, and safety risks.
• Support Hazard and Operability (HAZOP) studies, process safety reviews, and engineering risk assessments.
• Develop technical recommendations to resolve design deficiencies, improve system reliability, and mitigate project risks.
• Oversee preparation of the Final FEED Verification Report, documenting approved designs, required corrections, engineering deficiencies, and recommended modifications.
• Develop risk registers and mitigation plans to support successful project execution.
• Establish technical requirements and recommendations for transitioning projects into detailed engineering.
• Collaborate with clients, engineering teams, and project stakeholders to communicate technical findings and project recommendations.

Senior Process Engineer – Water Treatment Skills and Abilities

• Extensive knowledge of produced water treatment processes, water infrastructure, and industrial process systems.
• Strong understanding of pumps, tanks, filtration systems, chemical injection equipment, pipeline operations, and water treatment technologies.
• Advanced knowledge of FEED verification, detailed engineering design, and EPC project execution.
• Experience performing hydraulic calculations, process simulations, equipment sizing, and system performance evaluations.
• Ability to review and validate PFDs, P&IDs, process design calculations, and engineering specifications.
• Strong understanding of process control philosophies, equipment redundancy, and system reliability requirements.
• Experience leading multidisciplinary engineering design reviews and resolving complex technical issues.
• Knowledge of HAZOP studies, process safety management, environmental compliance, and engineering risk assessments.
• Strong analytical, technical problem-solving, and decision-making skills.
• Excellent leadership, organizational, and project coordination abilities.
• Exceptional written and verbal communication skills with the ability to present technical findings to clients and stakeholders.
• Familiarity with Pipe-Flo, Aspen HYSYS, Autodesk Inventor, and AutoCAD preferred.

Senior Process Engineer – Water Treatment Education and Experience

• Bachelor's degree in Chemical Engineering required.
• Minimum of 10 years of process engineering experience within produced water treatment, water infrastructure, midstream operations, or oil and gas facilities required.
• Extensive experience with produced water treatment systems and industrial process engineering required.
• Experience leading FEED verification, process design reviews, and detailed engineering activities required.
• Experience coordinating multidisciplinary engineering teams and reviewing complex engineering deliverables required.
• Experience with large-scale produced water gathering, treatment, and disposal systems preferred.
• Previous experience conducting independent engineering reviews or FEED verification studies preferred.
• Experience supporting engineering or EPC projects valued at $50 million or more preferred.
• Professional Engineer (PE) license preferred.

Senior Process Engineer – Water Treatment – Immediate need.