Lead Hydrometallurgy & Flowsheet Engineer

Mining; Chattanooga (TN); On-site; USD 140,000 - 200,000; Full time

Job summary

Kunin Technologies in Chattanooga is leading an early-stage mineral separation initiative, owning the full technical scope of projects from flowsheet design to pilot testing, scale-up, and startup. You will drive end-to-end engineering across multiple unit operations, oversee vendor selection, and manage EPCM-supported facility builds.

The role requires a 10+ year track record in process engineering, with strong leadership, ability to work autonomously, and a passion for bringing cutting-edge

Qualifications

• 10+ years in process engineering including flowsheet development and detailed engineering.
• Ability to develop a hydrometallurgical process from paper to operation.
• Willing to author PFDs, P&IDs, equipment specifications.

Responsibilities

• Lead flowsheet development end to end: comminution, concentration, leaching, solid-liquid separation, ion exchange, solvent extraction, precipitation, crystallization, electrowinning, product polishing, residue disposal, reagent regeneration, water balance, effluent management.
• Own techno-economics of the flowsheet to inform Go/No-Go decisions.
• Determine testing needs and sample production for offtake partners.
• Lead pilot testing to collect data and samples.
• Lead basic and detailed engineering including FEED and EPCM support.
• Identify and select key process technology vendors.
• Lead Kunin's facility construction scope including EPCM support.
• Ensure successful facility start-up producing on-spec product.

Skills

Process engineering

Flowsheet development

Detailed engineering

Hydrometallurgical process

PFDs and PIDs

Equipment specifications

Project stage-gates

Team leadership

Job description

Kunin Technologies in Chattanooga is leading an early-stage mineral separation initiative, owning the full technical scope of projects from flowsheet design to pilot testing, scale-up, and startup. You will drive end-to-end engineering across multiple unit operations, oversee vendor selection, and manage EPCM-supported facility builds.

The role requires a 10+ year track record in process engineering, with strong leadership, ability to work autonomously, and a passion for bringing cutting-edge