Karolina Drozdz

MSc-qualified Microbiologist with over 4 years of hands-on experience spanning UKAS-accredited water testing, high-throughput molecular diagnostics (1,500+ samples/day), and clinical research. Proficient in MALDI-TOF MS, qPCR, automated liquid handling platforms (Hamilton STARlet), and microbial identification under strict ISO 17025 and ALCOA standards. Proven track record in AQC execution, LIMS sample management, and method validation within tight operational turnarounds.

Laboratory Technician - General microbiology at Roxane UK (2024-10 – Present)

• Identified Escherichia coli, Pseudomonas aeruginosa, Enterococcus faecalis, and yeast/mold colonies.
• Utilised LIMS and MDE systems for efficient sample entry.
• Executed microbial identification and characterisation utilizing Gram staining, cellular morphology, API test strips, and PCR assays.
• Performed aseptic techniques, quality control (QC) of media and controls, ensuring compliance with health and safety standards.
• Maintained detailed records of experiments and validated results for accuracy.
• Evaluated municipal and process water samples for fungal and yeast contamination, validating analytical reports prior to customer dispatch.
• Managed scheduling, inventory management, and report generation.
• Carried out investigations and audits to ensure adherence to protocols and improve laboratory practices.

Analyst - Legionella & General microbiology at ALS Laboratories (UK) Ltd (2023-05 – 2024-10)

• Identified Gram-negative pathogens including: Legionella, Pseudomonas, Mycobacterium, Salmonella, Neisseria, Corynebacterium, Kingella, and E. coli species.
• Logged and processed high-volume environmental samples via LIMS/MDE in compliance with ISO 17025 and UKAS accreditation standards.
• Analysed Legionella and Pseudomonas species through microscopy, morphology assessments, latex agglutination tests, and microbial identification via aseptic techniques.
• Performed microbial identification using advanced techniques such as mass spectrometry and MALDI-TOF-MS biotyper.
• Performed agar plating, PCR, Gram staining, and fumigation.
• Set up AQC protocols, autoclave, and maintain laboratory equipment.
• Reported near-misses and incidents adherence to health and safety policies and COSH risk assessments.
• Maintained accurate records of experiments and validated the results for reliability.
• Conducted pharmaceutical testing and identified sulphate/nitrate-reducing bacteria, followed by the identification of fungus and yeast.
• Managed the result entry and confirmation process for customers.
• Created and communicated project plans and deadlines effectively.
• Troubleshot and diagnosed system faults to optimise laboratory operations.

Scientist at Rosalind Franklin Laboratory (2021-08 – 2023-03)

• Conducted tests on over 1500 COVID-19 samples daily, processing both positive and negative results.
• Handled raw data for reporting and analysis, ensuring accuracy in results.
• Evaluated endpoint PCR using UltraDrx technology for SARS-CoV-2 RNA detection in patient samples.
• Led laboratory testing and quality control initiatives to improve standards.
• Resolved non-conformance issues and improved quality control processes.
• Analysed data in collaboration with data scientists to ensure high-quality assignments aligned with ALCOA principles.
• Operated Hamilton STARlet machine, ensuring accurate sample processing and data entry.
• Managed laboratory SOPs to maintain a clean and organised environment.
• Performed RNA extraction/sequencing by merging samples into 384-format plates using gravimetric techniques.
• Utilised Dragonfly and Kingfisher robotics for efficient liquid dispensing and sample purification.

MSc in Microbiology & Infection – University of Birmingham (2021-12)

BSc (Hon) in Human Biology – University of Hull (2020-06)