Senior Process Engineer

Revive Environmental; Columbus (OH); On-site; USD 120,000 - 180,000; Full time

Job summary

Revive Environmental in Columbus, OH seeks a Senior Chemical Process Engineer to lead design and development across the Annihilator SCWO systems and GAC RENEW platform, owning optimization of existing plants and contributing to next‑generation designs as the company scales.

You will drive PFD/P&ID work, heat & mass balances, equipment sizing, simulations, and process safety formalities, collaborating with operations to boost throughput, uptime, and reliability in PFAS destruction technology.

Qualifications

• 10+ years in process engineering design, preferably in high-temperature or hazardous waste treatment systems.
• Strong safety record.
• Background in thermal reaction systems, heat integration, and fluid mechanics.
• Excellent problem-solving and cross-disciplinary collaboration skills.

Responsibilities

• Lead process engineering design across Revive's technology offerings, from PFDs and P&IDs through heat and mass balances, equipment sizing, and process simulations.
• Drive optimization of fielded systems to increase throughput, uptime, and maintenance intervals.
• Support development of new and next-generation technology offerings as Revive scales.
• Perform thermodynamic and kinetic modeling of SCWO reactions, including PFAS mineralization and salt behavior.
• Specify and size major equipment such as pumps, heat exchangers, valves, blowdown systems, and instrumentation.
• Provide responsive engineering support to operations for troubleshooting and performance tuning across the Annihilator fleet.

Skills

Process design

High-temperature systems

Hazardous waste treatment

Safety leadership

Thermal reactions

Job description

Revive Environmental is a mission-driven environmental technology company focused on delivering rapid, permanent solutions for PFAS and other persistent environmental contaminants. Our flagship Annihilator systems are built on patented supercritical water oxidation (SCWO) technology and are setting a new standard in hazardous waste destruction, including PFAS-laden AFFF concentrates and complex organic waste streams.

Position Overview

We are seeking a Senior Chemical Process Engineer to lead process engineering development across Revive's technology portfolio, including our Annihilator SCWO systems and GAC RENEW platform.This role owns the continuing optimization and improvement of existing systems as well as engineering development for next-generation designs as Revive transitions to a scalable technology platform.

Working location is Columbus, OH.

Key Responsibilities Process Engineering Across Revive's Technology Portfolio

• Lead process engineering design and development across Revive's technology offerings, including Annihilator SCWO systems and the GAC RENEW platform, from PFDs and P&IDs through heat and mass balances, equipment sizing, and process simulations.
• Drive continuing optimization and improvement of fielded systems to increase throughput, improve uptime, and extend maintenance cycles.
• Support engineering development of new and next-generation technology offerings as Revive's platform expands.
• Perform thermodynamic and kinetic modeling of SCWO reactions, including PFAS mineralization and salt behavior.
• Specify and size major equipment such as pumps, heat exchangers, valves, blowdown systems, and instrumentation.
• Provide responsive engineering support to operations for troubleshooting, performance tuning, and resolving emergent issues across the Annihilator fleet, including root-cause analysis and corrective actions.

Process Safety Program

• Contribute to and lead parts of Revive's process safety program, including development and maintenance of PHAs, HAZOPs, and safety procedures.
• Establish and maintain a management of change (MOC) discipline across engineering and operations.
• Develop and maintain process safety information documentation, including chemical hazard data, equipment specs, and operating limits.
• Champion a proactive safety culture.

Required Qualifications

• 10+ (preferably 15+) years experience in process engineering design, preferably in high-pressure, high-temperature, or hazardous waste treatment systems.
• Strong safety record.
• Strong background in thermal reaction systems, heat integration, and fluid mechanics.
• Excellent problem-solving and cross-disciplinary collaboration skills.

Preferred Qualifications

• Experience with SCWO, wet air oxidation, or hydrothermal processing.
• Familiarity with PFAS chemistry, AFFF treatment, or salt-laden wastewater.
• Experience with modular skid-based systems and field deployment of process equipment.
• Experience with fabrication, manufacturing, and good lab practices.
• Experience working with small teams and/or in technology scaling and optimization.

Why Join Revive

• Contribute directly to solving one of the most pressing environmental challenges of our time.
• Work alongside an agile, mission-driven team combining deep science with practical field engineering.
• Be at the center of scaling up one of the first proven PFAS destruction systems to national and international markets.
• Competitive compensation and growth opportunities in a fast-scaling cleantech company.