Senior Microbiologist - Sterile & Cleanroom Testing

Eagle Analytical Services; Houston (TX); On-site; USD 60,000 - 90,000; Full time

Job summary

Eagle Analytical Services is seeking an experienced Microbiologist II to independently perform advanced microbiological testing in a cleanroom environment, ensuring regulatory compliance. You will handle complex testing, equipment maintenance, data evaluation, and SOP review, while supporting training and cross-functional projects.

The role requires strong microbiology expertise, comfort with ISO 17025, cGMP/cGLP, and proven ability to communicate results clearly.

Qualifications

• Master's degree in Biology, Microbiology, or a related field, or a Bachelor's degree with 3+ years of relevant experience in microbiology or a laboratory setting.
• Preferred experience working with Biological Safety Cabinets (BSC) and in clean room environments.
• Experience in cGLP or cGMP regulated laboratories is a plus.
• Demonstrated relevant experience in a microbiology laboratory (Q.C., pharmaceutical, biotech, or clinical lab preferred), with expertise in one or more of the following functions: sterility testing, endotoxin testing, antibiotic assays, environmental monitoring, microbial identification, and/or microbial limit testing (MLT).
• Strong understanding of microbiology principles and methods, with the ability to communicate this information effectively.
• Excellent analytical, decision-making, and interpersonal skills, with a high degree of accountability, attention to detail, and integrity in all tasks.
• Strong teamwork and collaboration skills, with excellent verbal and written communication abilities across disciplines.
• Proficient in reading, understanding, and complying with company policies and SOPs, including safety rules and regulations.
• Intermediate computer skills in Microsoft Office applications, including Word, Excel, Outlook, and PowerPoint.

Responsibilities

• Operate independently with high responsibility for testing, including Sterility, Endotoxin, and Particulate Matter testing.
• Review schedules and plan sample collection and testing; reconcile samples at incubations end.
• Maintain chain of custody for samples and manage aliquoting, storage, receipt, and shipping.
• Participate in clean lab operations, preventive actions, and continuous improvement programs.
• Perform maintenance, calibration, and troubleshooting of equipment to meet deadlines.
• Troubleshoot technical issues related to lab procedures and cleanroom operations; report calibration failures.
• Adhere to SOPs and ISO 17025, cGMP, cGLP; ensure SOP accuracy and regulatory alignment.
• Calculate, evaluate, and review data; communicate results clearly in writing and verbally.
• Stay current with technology and instruments in microbiology and related fields.
• Participate in cross-technology educational programs within the lab.
• Assist with special projects for pharmaceutical and biotech clients; contribute expertise.
• Support training and onboarding of new team members for competency and compliance.
• Communicate effectively across QA, Client Care, and internal teams.

Skills

Microbiology expertise

Data interpretation

Team collaboration

Communication

Education

Master's in Microbiology

BSc + 3+ yrs experience

Tools

Microsoft Office

Job description

Eagle Analytical Services is seeking an experienced Microbiologist II to independently perform advanced microbiological testing in a cleanroom environment, ensuring regulatory compliance. You will handle complex testing, equipment maintenance, data evaluation, and SOP review, while supporting training and cross-functional projects.

The role requires strong microbiology expertise, comfort with ISO 17025, cGMP/cGLP, and proven ability to communicate results clearly.