Senior Chemist, Technical Laboratory Operations

Job Title: Senior Chemist, Technical Laboratory Operations Job Description: The Role Entegris is currently seeking a   Senior Chemist, Technical   Laboratory   Operations   to join   our   Analytics &   Metrology,   Trace Metals   team. This position will be based   in   our   Burnet   facility.   In this role, you will   be   responsible for ensuring reliable, high-throughput analytical metrology in a production laboratory supporting semiconductor-grade precursors and wet chemical cleans. This role focuses on measurement execution, data quality, contamination control, and instrument performance to ensure materials consistently meet stringent semiconductor specifications. The position plays a key role in maintaining analytical readiness, resolving production-related issues, and ensuring measurement systems remain stable, precise, and audit-ready.   What   You’ll   Do   Perform and oversee routine trace metals analysis of semiconductor chemicals using ICP-MS and ICP-OES   Analyze and interpret ultra-trace metal impurity data at ppb–ppt levels for production release   Review and approve analytical results, ensuring conformance to tight product specifications   Ensure consistent achievement of detection limits and sensitivity requirements for key metallic contaminants   Conduct all work in cleanroom or clean-controlled environments, following strict contamination control protocols   Enforce best practices for ultra-clean sample handling, preparation, and transfer   Minimize environmental and cross-contamination sources (labware, reagents, gases, operator technique)   Ensure proper gowning, materials handling, and workflow discipline aligned to semiconductor standards   Serve as primary technical expert for ICP-MS and ICP-OES systems in a production environment   Maintain instrument performance including tuning, calibration, interference control, and drift management   Perform advanced troubleshooting of sensitivity loss, background contamination, and instrument instability   Ensure system suitability, QC checks, and performance benchmarks are consistently met   Support preventive maintenance and coordinate repairs to maximize instrument uptime   Monitor and maintain measurement system stability, precision, and reproducibility   Apply statistical tools (SPC, trending, control charts) to detect shifts in analytical performance   Investigate out-of-spec (OOS), out-of-trend (OOT), and excursion events related to metals analysis   Ensure methods remain fit-for-purpose without introducing unnecessary variability   Support real-time production decisions through rapid and reliable metals data   Lead analytical investigations into contamination events affecting product quality or customer returns   Partner with manufacturing and quality teams to identify root causes of metal contamination   Provide clear technical interpretation of results to support dispositioning decisions   Ensure compliance with semiconductor customer requirements, ISO 17025 (if applicable), and SEMI standards   Maintain and follow SOPs, test methods, and data review procedures specific to metals analysis   Ensure full adherence to data integrity principles (ALCOA+)   Support audits and customer inquiries related to trace metals measurement capability   Evening and weekend support as needed to support   lab chemists and laboratory operations   What   We   Seek   Bachelor’s degree in Chemistry , Analytical Chemistry, Materials Science, or related field (advanced degree preferred)   7+ years of experience in trace metals analysis, preferably in high-purity or semiconductor environments   Deep expertise in ICP-MS (required) and ICP-OES (required) operation and troubleshooting   Strong experience working at ultra-trace detection levels (ppt–ppb)   Hands-on experience in cleanroom or contamination-controlled laboratory environments   Preferred Qualifications   Experience supporting semiconductor materials (precursors, acids, solvents, cleans)   Familiarity with interference mitigation techniques (collision/reaction cell, spectral correction, matrix effects)   Experience with clean chemistry techniques (acid purification,   low-metal   labware practices)   Familiarity with SEMI standards and semiconductor customer purity expectations   Experience with LIMS and SPC tools for production data management   Why Work at Entegris   Lead. Inspire. Innovate. Define Your Future.   Not everyone who works for a global company shares the same background,   experiences and perspectives. We leverage the differences of our employees to    bring new ideas to the table. Every employee throughout the company is   encouraged to share input on projects and initiatives. Our decision-making   process is truly a collaborative effort as we realize there are leaders at every   level of the organization. We put our values at the core of how we operate as an   organization — not just when it’s convenient, but in a lasting and meaningful   way. We want the time and energy you spend here to have a positive impact on   your life inside and outside of the office.   What   We   Offer   Our   total   rewards   package   goes   above   and   beyond   just   a   paycheck.   Whether   you’re looking to build your career, improve your health, or protect your wealth, we offer generous benefits to help you achieve your goals.   Generous   401(K)   plan   with   an   impressive   employer   match   Excellent   health,   dental   and   vision   insurance   packages   to   fit   your   needs   Flexible   work   schedule   and   11   paid   holidays   a   year   Paid   time   off   (PTO)   policy   that   empowers   you   to   take   the   time   you   need   to   recharge   Education   assistance   to   support   your   learning   journey   Values-driven   culture   with   colleagues   that   rally   around   People,   Acco