Scientific - Quality Control Scientist - Microbiology

Ampcus Inc; Princeton (NJ); On-site; USD 75,000 - 95,000; Full time

Job summary

Ampcus Inc. in Princeton, NJ, is searching for a Quality Control Scientist specializing in microbiology. The role involves microbiological testing, regulatory compliance, and collaboration with cross-functional teams to ensure product quality.

Ideal candidates should possess a relevant degree along with 4-7 years of laboratory experience in a regulated environment. Responsibilities include performing testing, supporting audits, and mentoring junior staff while adhering to SOPs and quality standards.

Qualifications

• 4-7 years of experience in a microbiology and/or bio-analytical laboratory.
• Strong understanding of microbiological and bio-analytical techniques.
• Excellent attention to detail and strong analytical skills.

Responsibilities

• Perform sterility and endotoxin testing on raw materials and products.
• Conduct trend analysis and support CAPA-related investigations.
• Train and mentor staff in microbiological techniques.

Skills

Microbiological techniques

Bio-analytical techniques

Aseptic techniques

Data analysis

Education

Bachelor’s or master’s degree in microbiology

Tools

ddPCR

Flow Cytometry

ELISA

Cell culture

Job description

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.

Job Title

Scientific - Quality Control Scientist - Microbiology

Location

Princeton, NJ

Job Summary

The QC Scientist - Microbiology, Bio-Analytical and Raw Material is responsible for performing microbiological, bio-analytical, and raw material testing to ensure the quality and safety of products. The position involves routine testing of raw materials, in-process samples, and finished products, as well as environmental monitoring and support for aseptic control. The QC Scientist will collaborate with cross‑functional teams, participate in investigations of deviations and non‑conformances, and contribute to continuous improvement initiatives. This role demands a thorough understanding of regulatory requirements and compliance with standard operating procedures (SOPs). Additionally, the QC Scientist will mentor junior staff, support audits, and ensure proper maintenance and calibration of laboratory equipment, playing a key role in upholding the laboratory’s operational excellence.

Key Responsibilities

• Perform sterility testing, endotoxin testing, microbial identification, and routine microbiological testing on raw materials, in-process samples, and finished products.
• Conduct compendial tests including BacT assay, Endotoxin, and Mycoplasma assay.
• Support ongoing EMPQ, cleaning and disinfection, and improvement of aseptic control. Conduct environmental monitoring of manufacturing and laboratory areas.
• Execute trend analysis of EM and sterility data and write monitoring reports. Suggest/initiate resolution plan based on risks identified.
• Participate in investigations related to microbiological deviations, out-of-specification results, and non‑conformances. Support CAPA, Change Control, and change action.
• Collaborate with cross‑functional teams, including Quality Assurance, Manufacturing, and Research & Development.
• Support developing and implementing the site Microbial Control Strategy from incoming raw materials through final product release. Perform growth promotion as release testing.
• Analyze and interpret test results, documenting findings in compliance with SOPs and regulatory requirements.
• Ensure laboratory equipment is calibrated, maintained, and functioning properly. Perform monthly and quarterly cleaning of refrigerators, incubators, and BSCs.
• Stay current with industry trends, regulatory changes, and advancements in microbiological techniques.
• Support internal and external audits by providing data and documentation related to microbiological activities.
• Train and mentor other staff and new hires in microbiological techniques, laboratory procedures, and growth promotion.
• Maintain the QC microbiological lab, ordering reagents, and logbook. Perform other duties as assigned.

Required Qualifications

• Bachelor’s or master’s degree in microbiology, Biochemistry, Analytical Chemistry, Molecular Biology, or a related field.
• Minimum of 4‑7 years of experience in a microbiology and/or bio‑analytical laboratory, preferably in a pharmaceutical, biotechnology, or related industry.
• Or in place of a degree, 10 years of relevant experience.
• Strong understanding of microbiological and bio‑analytical techniques and principles, including aseptic techniques, ddPCR, Flow Cytometry, ELISA, Viability assay, and cell culture.
• Experience with method development and validation in a regulated environment.
• Familiarity with regulatory requirements (e.g., FDA, EMA) and cGMP guidelines.
• Proficiency in using laboratory equipment and software for data analysis.
• Excellent attention to detail and strong analytical skills.
• Ability to troubleshoot and solve technical problems related to microbiological and bio‑analytical testing.
• Strong communication skills, both written and verbal.
• Ability to work independently and as part of a team in a fast‑paced environment.
• Knowledge of statistical analysis and data interpretation.
• Familiarity with quality management systems and continuous improvement processes.

Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.