About this opportunity
Ereztech lists this Principal Scale-Up Engineer opportunity in town of saukville, Wisconsin. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Overview
Join to apply for the Principal Scale-Up Engineer role at Ereztech
The Principal Scale-Up Engineer will be responsible for providing technical leadership in scaling up chemical processes from lab-scale to full-scale manufacturing. This is a hands-on opportunity to help design, build, and lead a world-class engineering function at Ereztech’s new flagship facility. The successful candidate will oversee the design and execution of manufacturing processes, contribute to production optimization, and ensure consistency in quality and throughput. They will play a central role in building and managing the Engineering staff, training plant operators, and driving a culture of operational excellence. This role is ideal for a broadly experienced chemical process engineer who thrives in a dynamic environment and brings strong time management, task organization, and execution focus.
The position involves working with volatile, air- and moisture-sensitive, and pyrophoric compounds, where tight control over purity, stability, and reproducibility is essential across all stages of scale-up and manufacturing.
This role reports to the CEO of the company.
Key responsibilities
Lead tech transfer from R&D to manufacturing for new organometallic and inorganic precursors
Design, scale, and optimize production processes for purity, yield, and consistency
Oversee equipment selection, P&ID, and reactor design for batch/semi-continuous systems
Collaborate with QA/QC on analytical validation of trace-level specs (moisture, halides, metals)
Identify and mitigate failure modes in air/moisture-sensitive or thermally unstable compounds
Drive root cause analysis and CAPA for deviations, contamination, and yield loss
Support SPC/SQC implementation and process control for HVM readiness
Ensure EHS compliance in hazardous chemistries (e.g., Grignards, metal hydrides)
Lead continuous improvement using Lean and Six Sigma tools
Qualifications and experience
Degree in Chemical Engineering, Materials Science, or related field (B.S./M.S./Ph.D.)
9+ years of hands-on manufacturing experience with specialty or high-purity chemicals
Proven track record in scaling up air-sensitive, organometallic, or inorganic compounds
Proficient with analytical methods (ICP-MS, NMR, KF, TGA, GC-MS) and data-driven problem solving
Knowledge of process safety (PSM, HAZOP, FMEA) and chemical compatibility
Familiarity with ALD/CVD precursors, functional materials, and electronics-grade standards
Experience with chemical reactors (glass-lined, stainless, glovebox, Schlenk setups)
Understanding of ISO 9001, ISO 17025, or GMP environments
Employment type: full time
Travel: 10-15%
Company
Founded in 2010, Ereztech is a specialty chemical manufacturer focused on high-purity, air-sensitive organometallic and inorganic precursors. Our materials are used in critical applications including semiconductor ALD/CVD thin films, functional coatings, and advanced catalysis. We operate 40,000 square feet of manufacturing space in Wisconsin and support a team of 25+ professionals. Ereztech is a trusted global supplier known for innovation, precision, and reliability.
Why join us
At Ereztech, we put people first and stand by our word. We’re selective about who we partner with—and once we commit, we deliver. We value individuals who take initiative, bring solutions, and approach challenges with an open mind. If you’re a self-starter who wants to grow your responsibilities alongside a growing company, you’ll thrive here. We foster a no-drama, high-accountability culture where professionalism, ownership, and continuous improvement are expected—and rewarded.
Paid Parental Leave and Bereavement
Legal Assistance – Immigration Process
Benefits and compensation
Medical Insurance with Health Reimbursement Account (HRA) deductible contributions
Dental and Vision Insurance (Fully Paid by Ereztech for family)
Life and AD&D Insurance (Fully Paid by Ereztech) - Voluntary/Supplemental Buy Up Offered
Voluntary Benefits, such as accident, hospital, and critical illness
Simple IRA with competitive match
Long Term Incentive Program
Ereztech is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
How to apply
Send your information to
Important notice to recruiters and staffing agencies:
This position is posted for direct hire within our internal team. We are not seeking assistance from external recruiters, headhunters, or staffing agencies for this role. Unsolicited resumes or outreach from third parties will not be acknowledged or considered. Thank you for your understanding.
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Who can apply
Review the original listing for work authorization, qualifications and employer requirements.