Metrology Particle Retention Co-Op - Fall

Job Title

Metrology Particle Retention Co‑Op – Fall 2026

Billerica, MA – 6‑month assignment (mid‑May/June through August/September).

• Provide reliable measurements to support internal R&D projects and external customer needs by performing, developing, and optimizing analytical methods for routine and non‑routine analysis.
• Perform particle retention testing using Fluorescence spectrophotometry, ICP‑MS, UV‑vis, GPC and other techniques to support general lab operations.
• Support development of new retention methods to evaluate current and next‑generation products.
• Perform validation studies on new and existing methods to ensure reliability and repeatability of data.
• Collect, interpret, and review experimental data regularly with the Metrology team and present project progress in group meetings.

• Commitment to safe laboratory practices and maintaining a clean, organized workspace.
• Basic understanding of scientific processes and data analysis.
• Strong attention to detail, self‑motivation, problem‑solving skills, and good communication skills in a fast‑paced environment.
• Previous experience with analytical equipment (ICP‑MS, GC‑MS, LC‑MS, LPC, etc.) is a plus.
• Knowledge of analytical chemistry, statistical analysis, nanoparticles, membrane‑based separations, or process improvement is a plus.

Must be a currently enrolled student. Able to work 40 hours per week, Monday‑Friday (8a.m.–5p.m.), beginning in mid‑May/June through August/September. Must be familiar with the university’s co‑op program requirements. Entegris does not provide immigration‑related sponsorship for this role; candidates requiring H‑1B, TN, STEM OPT, etc., should not apply.

• Generous 401(K) plan with an impressive employer match.
• Excellent health packages to fit your needs.
• Flexible work schedule with paid holidays and sick time.
• Values‑driven culture with emphasis on People, Accountability, Creativity, and Excellence.

$20–$32 per hour, depending on graduation year and candidate skill set.