Ramiro E. Roldan
Roselle, New Jersey 07203
Phone:908-***-****
908-***-**** (Mobile)
e-mail:acxs2z@r.postjobfree.com
JOB OBJECTIVE: Seeking a position in Analytical Chemistry within the Research and Development, Quality Control Groups or as a Process Chemist within the Development group. Experienced or junior Chemist level position.
EDUCATION: Bachelor of Science in Chemistry May, 1999
Kean University, Union,New Jersey
Materials Sciences and Polymers (21 credits accumulated)
At New Jersey Institute of Technology, Newark, NJ Dec,2011
Computer Skills: Microsoft Word, Excel, (Intermediate skills)
Turbochrom/Totalchrom chromatography system by PE Nelson. Version 4.0/6.1
Experienced in use of Totalchrom, trackwise software for OOS investigation
Milenium 3.2 data collection and data analysis/Empower
EXPERIENCE:
Eagle Nutritionals 06/2016 to 08/2016
QC Chemist
Analysis of raw materials and finished products. Heavy metals quantification by microwave acid digestion and ICP-MS. Assay of actives content by HPLC.
Aerotek; Contract assignment at Stepan Specialty Chemicals 10/2014 to 06/2016
Administrator assistant to R&D Department. Sample testing and treatment, sample receiving and shipping local and worldwide. Verify samples MSDS is in compliance with regulatory agencies. Verify sample raw materials received and company samples shipped meet specifications criteria from Certificate of Analysis.
Akorn Pharmaceuticals 08/2012 to01/2015
Raw Materials QC Chemist
Analysis of powders, creams, and polymeric gels solutions (Benecel,Methocel, Carboxy-methyl cellulose or CMC used om ophthalmic products.
Analysis of in process, finished product, stability and raw materials by wet chemistry and instrumental techniques. (uv,ftir,karl fisher, Particle size Malvern diffraction, brookfieldviscosity,kinematicviscosity,etc)
Corepharma, LLC Middlesex,NJ
Quality Control Chemist 02/2011 to 08/2012
Analysis of Intermediates, finished composite solid tablets and stability testing by HPLC. Test methods including Blend Uniformity, Content Uniformity,dissolution assays. Also Process Validation methods.
Use of in house methods and USP methods. Use of totalchrom for data acquisition and data processing
Kos Pharmaceutical/Abbott Laboratories Edison, NJ
Quality Control Chemist 09/01 to 06/2010 Responsible for providing testing support for the release testing of raw materials,
Intermediates and finished pharmaceutical products by wet chemistry as well as by Instrumentation. Use and maintenance of dissolution (Distek) and HPLC equipment(Pd DevelopmenterCkin Elmer) with computer-based data acquisition. Use of Totalchrom for data collection. Responsible in providing testing for Potency, CU, ID, %water, heavy metals,etc Exposed to USP methodology. cGMPs and cGLPs. Good writing records and laboratory notebook.
Addeco: contract employment at BMS New Brunswick,NJ
Formulation and Method Development Assistant(HPLC/Dissolution) 09/98 to 12/2000 Assistant to senior Scientist in the formulation of solid dosage drugs, both dry and wet granulation. Use of
blenders, howard mixer, roller compactor, milling of granulate, loss on dry,etc. Producing tablets by using
korsch pressers followed by physical testing (weigh, hardness,disintegration) and quantitative chemical analysis by use dissolution-UV –visible integrated equipment (Distek model 5100-bathless) and use of
HPLC (Perkin-Elmer, Shimadzu, Agilent) to test for potency and content uniformity of granulate and tablets. Preparation of buffers dissolution media to mimic the gastric and intestinal fluids by USP Methods. Use of
Excel software to construct data-tables and obtained the dissolution profile graphs to study and compare
Different prototype formula.Physical analysis including particle size distribution of powder mixtures, disintegration, friability and dissolution.Assistant to senior chemist in method validation and method development.
Engelhard Corporation, Union, NJ 09/94 to 08 /98 ChemicaTechnician. Chemical Etching, Electroplating and Chemical testing of incoming slurry and electrolytic solutions using Ohaus Moisture Balance,Titration (Karl Fischer method),Brookfield Digital Viscometers. Hands on bench work and pilot plant development of new formulation of ceramic honeycomb substracts to improve the surface area absorption of catalyst deposit and surface hardness.
Lab Support, Union, NJ (Temporary-Contract) 02/92 to 09/94 Laboratory Technician/Chemical Operator.Conducted Quality Control Analysis of in-process and finished samples using physical and chemical test methods.
Seek salary: (Negotiable)
References: Available upon request.
Summary : Bachelor degree in Chemistry (1999) @ Kean University
MS Degree in Materials Science & Chemistry (on going) @NJIT
Good skills in separation techniques (HPLC and some GC) and planar chromathography(TLC)
Experienced in Dissolution (Distek) and past experience in spectroscopy (UVFTIR)
Very good in sample preparation and wet chemistry
Good experience in software data reduction Turbochrom/Totalchrom (7+ years)
HPLC used : Perkin Elmer, Hitachi, Waters, Agilent, Shimadzu,etc
Current Salary : 65k yearly