Associate Scientist I, (Temporary), Mammalian Toxicology # 894
Sigma-Aldrich Corporation - Rockville, MD

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The Associate Scientist I (AS I) will perform a wide variety of assays or tests required to characterize product or material safety. He/she will make scientific observations, maintain detailed workbooks/documentation and ensure all documentation fulfills generally accepted professional/industry standards. He/she will maintain an understanding of technological principles and applications of the organization's services.


Responsible for having a basic understanding of assays
Conducts pre-designed assays using basic laboratory techniques and skills
Follow SOPs and relevant compliance regulations in regards to safety procedures, documentation, and scientific responsibility
Capable of executing protocols, collecting, processing and presenting data
Maintains study workbooks and stock solution batch records
Working knowledge of good safety practices
Demonstrate consistently good communication and interpersonal skills with employees, management and clients (where applicable)
Use and maintain scientific equipment, instrumentation and computer systems
Other duties as assigned


Conduct pre-designed scientific studies using laboratory equipment and calculations to include such tasks as:

Randomization, allocation and collection of data using a data capture system.
Make cage cards and all necessary labels using Microsoft Word and Excel.
Collect and process sample collections. (e.g. blood, urine)
Identify and solve elementary problems in experimental designs.
Make detailed observations and basic data analysis.
Document timely, accurate, legible, error free lab records that does not adversely impact the integrity of the data.
Advise supervisor or designee of any deviations and factors that may affect quality, accuracy and usefulness of the data.
Train to run an entire study from protocol review to in-life data collection and addressing audit findings.
Will become technically competent (with training and guidance) in the following routes of administration: Intramuscular (IM), Intraperitoneal (IP), Subcutaneous (SQ) and oral gavage.
Will become technically competent (with training and guidance) in Clinical Pathology blood collection
Must follow USDA animal welfare act and IACUC standards.
Will become competent in Word, Excel and Provantis
Some weekend work will be required.

BA/BS in scientific discipline with 0-2 years experience
AA degree in scientific discipline with 1-3 years experience
Or equivalent laboratory experience

About Sigma-Aldrich: Sigma-Aldrich is a leading Life Science and High Technology company whose biochemical, organic chemical products, kits and services are used in scientific research, including genomic and proteomic research, biotechnology, pharmaceutical development, the diagnosis of disease and as key components in pharmaceutical, diagnostics and high technology manufacturing. Sigma-Aldrich customers include more than 1.3 million scientists and technologists in life science companies, university and government institutions, hospitals and industry. The Company operates in 35 countries and has nearly 9,000 employees whose objective is to provide excellent service worldwide. Sigma-Aldrich is committed to accelerating customer success through innovation and leadership in Life Science and High Technology. For more information about Sigma-Aldrich, please visit its website at
Sigma-Aldrich offers a highly motivational and rewarding working environment with attractive salary, benefits, retirement, relocation and incentive packages including tuition reimbursement. Sigma-Aldrich fosters the growth of employees in a culture of respect and dignity with ample opportunity for career advancement.
Sigma-Aldrich is an Equal Opportunity Employer

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Check the shelves of any research (or mad) scientist and you'll likely find Sigma-Aldrich's chemical products. The company is a...