Chemical Process Engineer – Precision Cleaning

We are seeking a hands-on Chemical Process Engineer – Precision Cleaning to support and maintain a high-purity precision cleaning operation serving the semiconductor manufacturing industry. This position will be responsible for technical ownership, control, troubleshooting, and continuous improvement of chemical cleaning processes used on precision-manufactured components. The ideal candidate will have a strong understanding of chemical process control, contamination prevention, material compatibility, DI water systems, cleanroom operations, and process qualifications. This is a hands-on manufacturing position requiring regular interaction with production, quality, maintenance, engineering, and customer requirements. *Key Responsibilities* * Provide technical ownership and day-to-day support of multi-stage precision chemical cleaning processes. * Monitor and control bath chemistry, including concentration, pH, temperature, contamination levels, bath life, and replenishment requirements. * Establish and maintain operating parameters, control limits, sampling frequencies, and reaction plans for chemical processes. * Develop methods for determining chemical bath life and appropriate change-out intervals based on process performance and analytical data. * Monitor DI water and rinse-system performance, including resistivity/conductivity, filtration, water quality, and rinse effectiveness. * Troubleshoot chemical cleaning, rinsing, drying, staining, corrosion, residue, particle, and contamination issues. * Analyze cleanliness results and identify trends related to particulate, ionic, organic, and metallic contamination. * Lead root-cause investigations and corrective actions for cleaning-process failures and customer concerns. * Develop and maintain process specifications, work instructions, chemical control plans, inspection requirements, and other controlled documentation. * Support customer process qualifications, audits, technical reviews, and continuous-improvement initiatives. * Support cleanroom contamination-control practices and continuous improvement of cleanroom processes. * Provide technical training and guidance to operators responsible for chemical cleaning processes. * Work with EHS personnel to ensure safe chemical handling, storage, PPE, ventilation, spill response, and waste-management practices. *Minimum Qualifications* * Bachelor's degree in Chemical Engineering or Chemistry*.* * Minimum 3 years of experience supporting chemical processing, precision cleaning, surface treatment, semiconductor manufacturing, aerospace manufacturing, medical devices, or another high-purity manufacturing environment. * Strong understanding of chemical concentration, pH, temperature control, contamination, bath life, and process stability. * Experience developing, maintaining, or improving controlled manufacturing processes. * Ability to analyze manufacturing and laboratory data and make data-driven process decisions. * Strong technical writing and documentation skills. * Ability and willingness to work directly on the manufacturing floor and within cleanroom environments. *Preferred Qualifications* * Experience in semiconductor precision cleaning or semiconductor equipment manufacturing. * Experience supporting customer-specific semiconductor cleanliness requirements. * Knowledge of high-purity DI water systems and rinse processes. * Experience with wet-bench or multi-tank chemical cleaning systems. * Knowledge of cleanroom contamination-control practices. * Experience with chemical processing of aluminum components. * Experience with acid-based cleaning and passivation processes. * Experience with process qualification and validation in a highly controlled manufacturing environment. * Experience working within ISO 9001, AS9100, semiconductor, or comparable quality-management systems. Pay: From $1.00 per year Benefits: * 401(k) * 401(k) matching * Dental insurance * Employee assistance program * Flexible spending account * Health insurance * Health savings account * Life insurance * Paid time off * Vision insurance People with a criminal record are encouraged to apply Work Location: In person