Downstream Associate

Sino Biological US Inc.•Houston, TX

14h•Onsite

About The Position

Sino Biological is an internationally recognized reagent supplier and contract research organization. With its main manufacturing facilities in Beijing, China, Sino Biological also has a growing global presence with a US headquarters in the greater Philadelphia area, a bioprocessing facility in Houston, Texas, and subsidiaries in Frankfurt, Germany, and Tokyo, Japan. As part of its major global expansion, the company has established the Center for Bioprocessing (C4B) in Houston, Texas, located in the world-renowned Texas Medical Center at Levit Green. This vibrant hub is home to some of the most cutting-edge innovation in biotechnology, offering our team an inspiring environment to do meaningful, impactful work in the heart of the medical and research community.

Requirements

Bachelor’s degree in Biology, Biochemistry, Biotechnology, or a related field.
0–3 years of relevant laboratory experience, with basic understanding of protein purification and analytical methods.
Familiarity with chromatographic systems such as FPLC or HPLC used for protein purification.
Experience or exposure to protein QC analytical assays, such as SDS-PAGE, HPLC-SEC, and endotoxin testing and ELISA.
Strong organizational and documentation skills, with attention to detail.
Willingness to work a flexible schedule, including early/late weekday shifts and occasional weekend work depending on project needs.
Good communication skills and a collaborative team mindset.
Flexibility is required, including potential weekend work and early or late weekday shifts based on project demands.
Must be able to lift and move 25–50 lbs as needed.
Applicants must be legally authorized to work in the United States now and in the future without the need for sponsorship.

Responsibilities

Perform purification of recombinant proteins and antibodies from mammalian expression systems using chromatography methods and equipment (e.g., AKTA systems).
Execute established downstream workflows to meet project specifications and client requirements.
Conduct protein quality control testing, including SDS-PAGE, HPLC-SEC, endotoxin assays, UV-Vis concentration measurement, and other analytical assays.
Support lead scientists in preparing and analyzing QC data and interpreting protein quality results as part of downstream bioprocessing, including purification and quality control.
Maintain accurate batch records, lab notebooks, and QC documentation in compliance with internal standards and client requirements.
Ensure compliance with laboratory safety protocols and PPE usage in accordance with federal, state, and local regulatory guidelines.
Assist with calibration, maintenance, and basic troubleshooting of chromatography and analytical instruments.
Collaborate with other teams within the Center to support smooth project coordination and delivery.