Senior Microbiologist

Green Jeeva LLC; California; Presencial; USD 110.000 - 150.000; Jornada completa

Descripción de la vacante

Green Jeeva LLC seeks a Senior Microbiologist to lead microbiological testing, method development, and lab operations in our California facility. You will ensure accuracy, compliance with GMP/HACCP, and collaboration across R&D,Quality, and manufacturing teams.

You will develop validated testing methods, oversee aseptic techniques, oversee fermentation support from bench to pilot scale, and mentor junior staff while maintaining thorough documentation and lab safety.

Formación

• Ph.D. or Master’s degree in microbiology, food science or biotechnology.
• Proven experience in microbiology research and lab testing.
• Experience with fermentation processes is a plus.

Responsabilidades

• Conduct microbiological testing including enumeration, yeast and mold analysis, colony characterization, and microbial growth studies.
• Develop, validate, document testing methods and SOPs.
• Perform culture, aseptic techniques, media optimization, and contamination prevention activities.
• Support fermentation studies, bioprocess development, process optimization, and scale-up from bench-top to pilot scale.
• Perform molecular biology techniques, including PCR/qPCR, DNA purification, and microbial characterization, as required.
• Operate and support analytical instruments such as HPLC, GC-MS, and other laboratory testing equipment.
• Monitor and analyze critical process parameters, including pH, temperature, DO, and relevant chemical components.
• Maintain accurate laboratory records, analyze results, and prepare technical reports and research documentation.
• Ensure compliance with GMP, HACCP, and laboratory safety procedures.
• Identify and troubleshoot experimental or testing issues and recommend corrective actions.
• Collaborate with research, quality, and other cross-functional teams to support laboratory projects.

Conocimientos

Microbiological testing

Aseptic techniques

Contamination prevention

Microbial culture methods

PCR/qPCR

Microbial enumeration

Media preparation

Biochemical assays

SOP development

Method development & validation

Educación

Ph.D. or Master’s degree in Microbiology, Food Science, Biotechnology, or related field

Herramientas

HPLC

GC-MS

ICP-MS

Descripción del empleo

We are seeking an experienced and detail-oriented Senior Microbiologist to lead and support microbiological testing, research, method development, and laboratory operations. The ideal candidate will have strong expertise in microbiological analysis, microbial culture techniques, aseptic practices, and contamination control, along with experience in fermentation processes and analytical methods.

The role involves developing and validating microbiological testing procedures, maintaining laboratory documentation, ensuring compliance with quality and safety standards, and supporting process optimization and scale-up activities. The candidate will also collaborate with cross-functional teams to improve laboratory workflows, troubleshoot technical challenges, and ensure reliable and consistent results.

What you'll do

• Conduct microbiological testing, including microbial enumeration, yeast and mold analysis, colony characterization, and microbial growth studies.
• Develop, validate, and document microbiological testing methods, laboratory procedures, and Standard Operating Procedures (SOPs).
• Perform microbial culture, aseptic techniques, media optimization, and contamination prevention activities.
• Support fermentation studies, bioprocess development, process optimization, and scale-up trials from bench-top to pilot scale.
• Perform molecular biology techniques, including PCR/qPCR, DNA purification, and microbial characterization, as required.
• Operate and support analytical instruments such as HPLC, GC-MS, and other laboratory testing equipment, as applicable.
• Monitor and analyze critical process parameters, including pH, temperature, dissolved oxygen, and relevant chemical components.
• Maintain accurate laboratory records, analyze results, and prepare technical reports and research documentation.
• Ensure compliance with applicable laboratory quality systems, GMP practices, HACCP principles, and laboratory safety procedures.
• Identify and troubleshoot experimental or testing issues and recommend appropriate corrective actions.
• Collaborate with research, quality, and other cross-functional teams to support laboratory projects and continuous improvement.
• Provide technical guidance and support to laboratory personnel and contribute to effective laboratory operations.

What you need

Educational Qualifications & Experience

• Ph.D. or Master’s degree in Microbiology, Food Science, Biotechnology, or a related field preferred.
• Relevant experience in microbiology research, laboratory testing, microbial analysis, or fermentation processes.

Technical Skills

• Strong knowledge of microbiological testing, aseptic techniques, contamination prevention, and microbial culture methods.
• Experience with PCR/qPCR, microbial enumeration, media preparation, and biochemical assays.
• Familiarity with analytical instruments such as HPLC, GC-MS, and ICP-MS is desirable.
• Experience in method development, validation, and laboratory SOP preparation.

Quality & Compliance

• Knowledge of GMP, HACCP, and laboratory quality systems.
• Ability to maintain accurate laboratory records and follow established testing procedures.
• Familiarity with laboratory safety, contamination control, and quality documentation.

Core Competencies

• Strong analytical, research, and problem-solving skills.
• Excellent attention to detail and technical documentation abilities.
• Ability to lead laboratory activities, coordinate with cross-functional teams, and support process improvement.