QC Chemist III
LGC Group · Manchester, NH, United States · Posted Jun 26, 2026
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The QC Chemist III is a senior level Quality Control role responsible for independently performing complex analytical testing, leading technical troubleshooting activities, and supporting investigation ownership within the laboratory. Chemist III applies advanced technical knowledge across multiple product lines to ensure data quality, identify and resolve complex analytical issues, and support laboratory efficiency. This role serves as a technical resource for the laboratory and provides mentorship to junior staff. Work is performed in accordance with approved procedures and safety requirements, with final data review and approval completed by independent laboratory personnel.
To perform this job successfully, an individual must be able to capably perform each of the following essential duties:
Key Responsibilities
Conduct advanced analytical testing and data interpretation to ensure materials meet specifications and are released on time
Lead technical troubleshooting, investigations, and root cause analysis for complex analytical issues
Support stability studies, laboratory throughput, and performance metrics
Identify data trends and recommend improvements to methods, calibration standards, and laboratory practices
Operate and maintain analytical instrumentation (ICP, ICP-MS, GC, LC), including advanced troubleshooting
Review and validate data to ensure accuracy, compliance, and traceability
Revise and develop SOPs and analytical methods to improve consistency and robustness
Communicate findings, risks, and recommendations clearly to QC, QA, and Production teams
Mentor and provide technical guidance to junior chemists
Essential Knowledge & Qualifications:
Bachelor’s degree in Chemistry or a related scientific field, or equivalent combination of education and relevant laboratory experience.
Hands-on experience with multiple analytical techniques and execution of complex laboratory procedures with minimal supervision.
Experience with ICP, ICP-MS, GC, and LC across diverse product lines.
Strong knowledge of laboratory quality systems, data integrity principles, and procedural compliance.
Proven ability to interpret complex analytical data, troubleshoot instrumentation and methods, and apply sound technical judgment.
Proficiency in Microsoft Office and laboratory information/ERP systems.
Preferred Knowledge & Qualifications
Experience supporting or leading technical investigations, including root cause analysis and follow-up testing.
Involvement in method development, validation, or process/procedural improvements.
Experience mentoring or training junior laboratory staff.
Familiarity with LIMS or ERP platforms (e.g., IFS, FileMaker).
Core Competencies
Demonstrates strong independent performance and ability to lead technical activities within scope.
Applies sound judgment in complex situations and identifies appropriate escalation points.
Collaborative team player with a focus on mentorship and knowledge sharing.
Communicates technical information and data insights clearly to cross-functional stakeholders.
Operates in alignment with company values: Passion, Curiosity, Integrity, Brilliance, and Respect.
Work Conditions and Environment
Travel & Time Expectations: Travel less than 5% of working time is expected. This position may be required to work evening or weekend hours in support of business and customer needs.
Work Setting: In person in an analytical laboratory .
Distinctive Safety Conditions: Work environment involves exposure to hazards and/or physical risks, which require following safety precautions and specific personnel training for employees working with hazardous materials and hazardous waste. The individual will experience repetitive motion due to use of a computer as well as pipettes and other laboratory equipment.
Required Personal Protective Equipment (PPE): Included but not limited to steel toed shoes, gloves, eye protection, lab coat, ear protection, and respirator.
What We Can Offer You
LGC recognizes benefits are key resources as you navigate your well-being journey. We’re pleased to offer comprehensive programs that are focused on supporting our employees and families’ well-being. Many of our benefit programs are effective the 1st of the month following hire date.
Competitive compensation with strong bonus program
Comprehensive medical, dental, and vision benefits for employees and dependents
Paid Holidays, which include floating days and a holiday shutdown in December.
FSA/HSA Pre-tax savings plans for health care, childcare, and elder care
Deductible Buffer Insurance and Critical Illness Insurance
401(k) retirement plan with matching employer contribution
Company-paid short- and long- term disability, life insurance, and employee assistance program
Flexible work options
Pet Insurance for our furry friends
Enhanced Parental leave of 8 additional weeks
Town Hall monthly meeting onsite/virtual, Cheer program where employees are recognized for outstanding work, Company wide social even…