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Microbiology Quality Control Technician

Who We Are

Ott Scientific

The Ott Scientific family of companies comprises Polysciences, Bangs Laboratories, and Ethos Biosciences. Together, we bring the whole of our experience with best-in-class facilities and scientific, technical, analytical, and manufacturing capabilities to serve customers around the globe. We deliver highly specialized products and services that support scientific discovery and innovations.

Ethos Biosciences

At Ethos Biosciences, we are a contract development and manufacturing organization (CDMO) that offers private label manufacturing to many of the biggest life science and diagnostic companies around the world. Our core competencies are immunoassays (ELISA/Lateral Flow) as well as specialty and high-volume diagnostic stains, buffers, and reagents. Our laboratories, manufacturing suites, and warehouse areas are purpose built to accommodate these specialty manufacturing and development operations. We occupy a newly built, state of the art, 126,000ft2 stand-alone building in Logan Township, NJ. Proud to be part of Greater Philadelphia, we are 25 miles from Cherry Hill, NJ, 25 miles from Villanova, PA, and 16 miles from Wilmington, DE. Our processes are governed by an ISO 13485/FDA 820 Medical Device certified quality management system (QMS). We exist to drive healthcare innovation by providing diagnostic tools for scientists and practitioners. Every day we design, develop, and manufacturing diagnostic products that are accurate, repeatable, and easy to use. Our vision is to provide gold standard assays for novel biomarkers and critical reagents to institutions pioneering biomedical research and practice.

Position Summary
The Microbiology Technician is primarily responsible for the manufacturing of bacterial control materials used in microbiology staining applications. This includes culturing, harvesting, and processing bacterial organisms into finished control products in compliance with ISO 13485 and applicable regulatory requirements. When not engaged in bacterial control production, the technician supports the Quality Control laboratory by performing application/performance testing of stains and reagents, as well as any additional testing assigned by laboratory leadership.

Essential Duties and Responsibilities

Bacterial Control Manufacturing
• Culture, maintain, and propagate bacterial organisms per established work instructions and aseptic technique.
• Harvest, quantify, and process bacterial cultures into control slides, suspensions, or other finished control formats.
• Prepare growth media, reagents, and consumables required for production.
• Maintain and monitor incubators, biosafety cabinets, autoclaves, and related equipment.
• Perform in-process and final QC checks on manufactured controls; document lot records and batch documentation accurately.
• Manage stock cultures and maintain organism inventory, including procurement of reference strains as needed.

Quality Control / Application Testing
• Perform application and performance testing of stains, reagents, kits, and control products to verify they meet specifications.
• Execute routine QC testing, including staining runs, reagent verification, and comparison against reference standards.
• Perform any additional testing requested by QC or laboratory management, including troubleshooting, investigational, and validation-related testing.
• Evaluate and interpret staining results; document observations and outcomes.

Documentation & Compliance
• Maintain accurate, complete, and legible records in accordance with Good Documentation Practices and 21 CFR Part 11 (where applicable).
• Support nonconformance investigations, CAPAs, and deviations as needed.
• Follow all work instructions, safety protocols, and quality system requirements under ISO 13485.
• Maintain a clean, organized, and compliant laboratory workspace.

Safety
• Adhere to biosafety practices appropriate to the organisms handled (typically BSL-1/BSL-2)
• Follow proper handling, storage, and disposal procedures for biological and chemical materials.

See also

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