Process Engineer

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Design the Backbone of Clean Energy & Carbon Conversion

Location : Franklin, TN (On-Site)

Type : Full-Time

Seniority : Mid to Senior Level / Technical Contributor

Join Enexor BioEnergy

Enexor is a venture-backed, early-stage climate tech company just outside of Nashville, TN, developing distributed systems that turn organic and plastic waste into clean energy and high-purity CO2. We are reimagining how the world addresses emissions, waste, and energy access—one modular system at a time.

We're not just solving problems. We're redefining what's possible at the intersection of engineering, energy, and sustainability.

Why This Role Matters

We're hiring a Process Engineer with a strong mechanical foundation to help design and deploy our next-generation waste-to-energy and carbon capture systems. This is not a modeling-only role. You'll work end-to-end—translating high-level process concepts to concrete designs by developing P&IDs, performing mass and energy balances, modeling processes, selecting hardware, guiding physical builds, and gaining insights from testing. By diving into technical challenges to turn concepts into reality, your work will sit at the core of how our systems perform in the real world.

This role is perfect for process design engineers with a systems background and strong mechanical intuition who want to own full process-mechanical design and get hands-on in fabrication, instrumentation, and deployment.

What You'll Do

• Design & Simulate Separation Processes : Build and validate cyclic adsorption (TSA / PSA) flowsheets in process modeling software (including custom isotherm and kinetic models); analyze breakthrough curves, cycle efficiency, and heat integration
• Perform Mass & Energy Balances : Develop detailed mass-energy balances for energy systems and carbon capture processes
• Translate Models into Hardware : Generate PFDs and P&IDs from your process simulations; size pressure vessels, adsorption beds, heat exchangers, pumps / blowers, and piping networks based on process conditions
• 3D CAD Layout & Mechanical Detailing : Create or review CAD assemblies and AutoCAD schematics to ensure the process equipment fits skid dimensions and meets requirements
• Support Fabrication, Commissioning, & Testing : Work with the shop and controls teams to oversee fabrication, instrumentation, and loop checks; participate in testing development and data review
• Data Analysis & Model Refinement : Use testing results to update simulation parameters and re-optimize cycle timings or hardware specs
• Cross-Functional Collaboration : Partner daily with chemical, mechanical, and controls engineers plus technicians, aligning on control strategies, safety interlocks, and operational procedures
• Continuous Improvement : Identify design-to-cost opportunities and reliability enhancements; propose material, cycle, or control refinements to boost capture rate and reduce parasitic loads

Requirements

Bonus Points For

Benefits & Why You'll Love It Here

Compensation & Benefits

Ready to Design Systems That Matter?

Send your resume and a brief note to careers@enexor.com. Highlight your experience with process-mechanical systems, gas treatment, or thermal integration.

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