Senior Process engineer

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

Position Overview

We are seeking a Senior Process Engineer to further develop and scale our PFASAnnihilator SCWO technology. The position is located in Columbus, OH. The role reports to the Chief Technology Officer.

Key Responsibilities

• Lead the process discipline in design efforts.
• Execute scale-up of Revive's technology offerings, most relevantly the PFAS Annihilator system, to support commercial deployment.
• Drive continuous improvement of SCWO reactor and salt separation subsystems to enhance throughput, minimize fouling, extend service intervals, and improve overall system availability.
• Provide expert engineering support to field operations by resolving emergent technical challenges across the fleet; conduct root-cause analyses and implement durable corrective actions in collaboration with site teams.
• Analyze data and develop test plans to better understand PFAS destruction chemistry, salt precipitation behavior, and system control strategies.
• Support and participate in process safety activities such as HAZOPs, risk assessments, and safety reviews for system modifications, commissioning, and new deployments.
• Partner with fabrication and commissioning teams to validate system designs, resolve field integration issues, and accelerate the implementation of design upgrades.
• Analyze operational data from commercial and demonstration units to identify bottlenecks, and guide engineering decisions and future designs.
• Contribute to Revive's technical knowledge base by developing and documenting process improvements, system modifications, and standardized design modules for future deployments.

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 JoinRevive

• 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 compensationand growth opportunities in a fast-scaling clean tech company.