Agricultural Microbiologist â Rhizobial Inoculants â Liquid Fermentation

4 days ago


Johannesburg, South Africa Prostaff Holdings Full time
Minimum requirements for the role:
  • An honours degree in microbiology or biotechnology or a related qualification is essential for this role.
  • Previous experience having worked in a microbiology or biotechnology or related laboratory is essential.
  • The successful candidate must have knowledge on microbial nitrogen fixation as well as liquid fermentation, reactor requirements and design and process upscaling is preferred but not essential.
  • Knowledge on rhizobial inoculant production and formulation is preferred and not essential.
  • Must have knowledge on GLP, GMP and GDP and must be able to conduct relevant analytical procedures in accordance with recognised methods is preferred and not essential.
  • Must have a strong analytical ability and ability to interpret results.
  • The successful candidate must have the ability to conduct research independently and must have a strong interest in applied research.
  • Must be able to oversee manufacturing plant, good practices and hygiene activities.
The successful candidate will be responsible for:
  • Researching into modes of action, production and formulation of rhizobial inoculants.
  • Producing rhizobial inoculants through liquid fermentation.
  • Upscaling fermentation technologies to commercial volumes.
  • Handling ongoing improvements of fermentation processes, growth medium and product formulation.
  • Conducting quality assurance of production processes and facility.
  • Conducting quality control of incoming and on-site produced inoculants according to approved procedures per product specification.
  • Testing efficacy of inoculants through pot trials and determining shelf life of produced inoculants and find ways of improving shelf life.
  • Testing compatibility of produced inoculants with other agriculture products and determining survival rate of inoculants on seed and improving on survival.
  • Maintaining GLP, GMP and GDP in the microbiology laboratory and production facility.
  • Interpreting results and generating accurate, analytical and microbiological reports according to specified methods and procedures.
  • Keeping up to date with scientific and research developments into inoculants and preparing and updating sops.
Salary package, including benefits, is highly negotiable depending on experience gained.

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