Thomas Vajtay
Franklin Park,NJ
Summary
Proven QC Analyst with a robust background at Johnson & Johnson, adept in enhancing quality control processes and compliance with GMP/GLP standards. Skilled in LIMS and demonstrating strong analytical abilities, I have significantly contributed to improving testing accuracy and efficiency. My leadership in training colleagues showcases my commitment to excellence and team development.
Overview
15
15
years of professional experience
Work History
QC Analyst
Johnson & Johnson
06.2023 - Current
- Tested cell concentration and viability with NC-200.
- Tested PBMC population phenotype using BD FACSlyric flow cytometer.
- Assisted with hypothesis testing.
- Entered testing data into eLIMS.
- Reviewed and verified testing data. Recorded data in formbooks and logbooks in compliance with GDP.
- Tested in compliance with GMP/GLP regulations.
- Trained analysts in Cryopod filling and usage.
- Ensured compliance with industry standards by staying up-to-date on relevant guidelines, policies, and regulations affecting QC operations.
Laboratory Researcher IV
Rutgers, The State University Of New Jersey
08.2019 - 06.2023
- Developed Python scripts to automate and analyze simultaneous 2Photon calcium imaging and facial videos of mice during sensory guided behavior.
- Trained DNN models in Python for automated limb tracking of mice during behavior.
- Developed Python scripts to automate analysis of EMG responses to nerve stimuli in Python.
- Worked with IT ticketing system to troubleshoot network issues.
Laboratory Technician
Rutgers, The State University Of New Jersey
02.2016 - 08.2019
- Used Agile development practices to build microcontroller (Arduino) systems to automate behavioral experiments in awake mice.
- Developed MATLAB code to automate analysis of high speed whisker movements resulting from optogenetic activation of facial muscles.
- Developed R scripts to analyze differential RNA transcript expression of paralyzed facial muscles and to create linear mixed effects models for statistical analysis of longitudinal within subject changes in muscle strength.
- Published First author manuscript, "Optogenetic and transcriptomic interrogation of enhanced muscle function in the paralyzed mouse whisker pad."
Journal of Neurophysiology · Feb 20, 2019
QC Biochemist I
Hemispherx Biopharma, Inc
09.2014 - 06.2015
- Isolated PBMC's from human blood samples from clinical patients using Ficoll-Paque gradient.
- Used Multicolor Flowcytometry to analyze patient PBMC phenotype and efficacy of cytotoxicity.
- Optimized and was responsible for [51Cr] release assay of K562 lysis from PBMC insult. Responsible for training and managing a team running a [51Cr] release assay.
- Ran ELISA to quantify Interferon-y production of PBMC's from various insults.
- Maintained stable and primary cell cultures.
- Ran small scale manufacturing in parallel with a 600L bioreactor for Quality Control.
- Maintained inventory and ordered materials.
Laboratory Technician
UMass Chan Medical School
07.2013 - 06.2014
- Analyzed rodent running wheel data on MATLAB Clocklab software suite.
- Analyzed circadian protein rhythms in primary tissues using a luciferase reporter and R package Waveclock.
- Euthanized and dissected mice for primary tissue culture. Perfused and dissected mice for Immunohistochemistry (IHC).
- Sectioned brains on vibratome for culture, and cryostat for IHC.
- Performed IHC experiments on mice with selective and full body knockouts of clock genes.
- Designed and optimized PCR primers for colony genotyping.
Federal Work Study Student
Rider University
10.2009 - 05.2013
- Responsible for the care of 60 mice in light sensitive conditions.
- Designed and ran behavioral assays of circadian rhythm/jetlag response.
- Designed and ran IHC experiments on mice brains.
- Analyzed behavioral and IHC data
Education
Bachelor of Science - Biology
Rider University
Lawrenceville, NJ05.2013
Skills
- LIMS
- GMP
- GDP
- BD FACSlyric
- NC-200
- Cryopod
- Aseptic technique
- Cell culture
- LN2 handling
- Genotyping
- Excel
Languages
Hungarian
Native or Bilingual
Timeline
QC Analyst
Johnson & Johnson
06.2023 - Current
Laboratory Researcher IV
Rutgers, The State University Of New Jersey
08.2019 - 06.2023
Laboratory Technician
Rutgers, The State University Of New Jersey
02.2016 - 08.2019
QC Biochemist I
Hemispherx Biopharma, Inc
09.2014 - 06.2015
Laboratory Technician
UMass Chan Medical School
07.2013 - 06.2014
Federal Work Study Student
Rider University
10.2009 - 05.2013
Bachelor of Science - Biology
Rider University
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