Senior Process Engineer - Membrane Development

Senior Process Engineer – Membrane Development

Apply for the Senior Process Engineer – Membrane Development role at Donaldson and be part of a culture of collaboration and innovation that tackles complex filtration challenges.

As a Senior Process Engineer in the Purilogics business unit, you will advance membrane-based chromatography products. You will lead the design, optimization, and scale‑up of chemical synthesis processes critical to product development and assist with technology transfer from R&D to manufacturing. This role requires deep chemical and engineering knowledge, hands‑on technical expertise, and strong leadership in driving projects from early development through technology transfer.

You will collaborate cross‑functionally with R&D, manufacturing, quality, and supply chain teams to ensure robust, efficient, and cost‑effective processes. Qualified candidates must be able to work on site at our Greenville, SC office.

• Lead chemical synthesis projects focused on membrane functionalization, including planning, execution, and reporting, while ensuring on‑time delivery.
• Design, optimize, and scale up processes for new and existing products, focusing on efficiency, reproducibility, and high quality.
• Develop and execute experimental studies, analyze data, and generate recommendations for process improvements.
• Design and establish test methodologies to support process development and validation.
• Prepare and review technical documentation, including protocols, reports, and process descriptions, and deliver presentations as needed.
• Collaborate with R&D teams to transfer technologies into manufacturing, ensuring smooth scale‑up and implementation.
• Support troubleshooting of complex process issues and provide technical guidance to cross‑functional teams.
• Act as a technical lead by providing guidance and mentorship to emerging R&D scientists and engineers.
• Communicate results and analyses effectively to stakeholders to support decision‑making.
• Support other operational activities as required.

TRAVEL: Up to 10%

• PhD in Chemical Engineering, Chemistry, Mechanical Engineering, Material Science, or a Master’s degree with 3+ years of relevant industrial experience in chemical synthesis process development, scale‑up, or manufacturing; or a Bachelor’s degree with 5+ years of relevant experience.
• Experience in scaling up wet chemical processes.
• Experience with statistical analysis (e.g., ANOVA, t‑test, capability analysis), Design of Experiments (DoE), and process modeling tools.
• Proficient in MS Office:
  Outlook, Word, Excel, and PowerPoint.

• Experience collaborating with cross‑functional teams while meeting strict deadlines.
• Proven track record of leading projects and delivering results in a fast‑paced environment.
• Strong knowledge of chemical and physical principles applied to process engineering.
• Knowledge of biology and chromatography technology.
• Adaptable to changing priorities and evolving business goals.
• Excellent organizational skills; able to manage multiple projects and tests simultaneously.
• Self‑motivated and capable of executing assignments with minimal oversight.
• Comfortable providing technical support to team members as needed.
• Quick to learn and adapt to new information and skills.
• Strong problem‑solving skills and a hands‑on approach to technical challenges.
• Excellent communication and writing skills, with the ability to work effectively across multidisciplinary teams.
• Comfortable working independently and as part of a team.
• Experience with statistical and engineering software, e.g., Minitab, Matlab, AutoCAD.

Relocation: This position is not eligible for relocation assistance.

• Applicants must be legally authorized to work in the United States without current or future sponsorship.
• Donaldson will not offer immigration sponsorship or assume sponsorship of an employment visa for this position.
• International relocation or remote work arrangements outside the U.S. will not be considered.

Key Words: Membrane, Scale up, Chromatography, Statistical Software

Our policy is to provide equal employment opportunities to all qualified persons without regard to race, gender, color, disability, national origin, age, religion, union affiliation, sexual orientation, veteran status, citizenship, gender identity and/or expression, or other status protected by law.