Kevin Croker

Experience

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  Eastman Kodak Company

  Jul 1995 - Jun 1997

  Software QA Engineer

  - Worked with software developers to test several different biological software packages.- Performed software quality assurance testing for Kodak software packages. - Developed and implemented scripted software testing methods.- Maintained software databases and contributed to software manual documentation.

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  Packard Bioscience Company (Perkin Elmer)

  May 1997 - Jul 1999

  Application Scientist - Business Development

  - Provided Bio-Chip Arrayer hardware and software implementation at customer sites.- Documented and communicated customer requests to engineering.- Programmed instruments in proprietary script language, C, Visual Basic and LabView.- Developed and implemented several hardware and system upgrades to the Bio-Chip.- Optimized start up method and cleaning protocol for liquid handler.- Used LC system for protein separation and verified using SDS-PAGE gels.

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  DuPont

  Jul 1999 - Jan 2016

  Staff Scientist II

  Staff Scientist II- Set-up and operated flow cytometry lab within central research and development.- Operated a Becton Dickinson Vantage SE w/DiVA, Acccuri and Milteny flow cytometers.- Used and maintained a ZEISS Axioplan epi-fluorescent microscope.- Implemented a Linux server for flow cytometry report generation and FCS data archival.- Modified flow cytometers to improve operation when using bacteria.- Designed numerous flow cytometry staining, immunoassay and enrichment methods.- Worked directly with researchers on flow cytometry experiments.- Gave seminars and discussed possible FACS applications on projects where feasible.- Ran samples on Agilent GC-MS to measure Omega-3 percentages and composition.- Evaluated samples of microbial metabolites using HPLC-MS.- Ran Waters AQUITY UPLC-MS using MassLynx software for another lab when requested.- Optimized assay and software methods for Hamilton Nimbus, STAR and VANTAGE.Staff Scientist I 2004-2007- Recruited to work on a discovery project that would use chemically modified glass spheres to bind and quantitate biological molecules.- Designed a method to use refractive index to measure purchased glass sphere quality.- Worked with researchers to develop numerous antibody binding assays.- Correlated antibody binding on magnetic and derivatized glass spheres.Staff Scientist I 1999-2004- Hired to implement, operate and maintain the DNA microarray facility in CR&D.- Provided gene expression profiling techniques and results for several internal programs.- Evaluated microarray vendor products, liquid handlers and lab instrumentation as needed.- Collaborated with researchers across CR&D to provide DNA microarray capabilities. Show less

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  BIO - RAD LABORATORIES, INC.

  Jun 2016 - Apr 2018

  Field Service Engineer II

  - Service and support for multi-laser, bench-top flow cytometers (S3e and Ze5).- Provided instrument and experimental design support to customers as necessary.- Planned, performed and documented service calls within Salesforce and Service-Max.- Maintained schedule, parts inventory, company car and other corporate assets as required.

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  Aerotek

  Apr 2019 - Nov 2019

  Laboratory Instrument Engineer

  - Repair, calibrate and perform preventive maintenance of HPLC systems.- Perform basic to complex repairs on various laboratory instrumentation as needed.- Complete numerous GSK quality test methods on HPLC’s and bench instruments.- Implemented an HPLC controller USB firmware upgrade method.- Document GxP methods and maintenance on lab instrumentation.- Order parts to complete work orders and document in EAM database.- Operate and troubleshoot Waters ACQUITY UPLC systems as necessary. Show less

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  PerkinElmer

  Mar 2020 - Apr 2022

  Customer Service Engineer

  While I was working with Aerotek, PerkinElmer won the contract with GSK and will now provide OneSource instrument service to GSK worldwide.Note: This position covers similar duties and responsibilities as described below in the Aerotek position.

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  Hamilton Company

  Apr 2022 - now

  Field Applications Specialist II

  Develop and optimize liquid handling protocols for Hamilton products by interpreting end user's protocols and methods provided by customers. Design and optimize liquid handling methods and performance of Hamilton instruments.