Randa Raissi

I have over seven years of experience inI microbiological food analysis, and I hold the ISO 17025 certification

I have worked on analyzing vegetables, meat, water, and fast food, focusing on the identification of microbes and fungi. I am committed to maintaining quality standards and food safety.

Laboratory Technician - Bureau Africain de services - Laboratoire d'analyse alimentaire - Manouba , Tunisie

(2025-01)

• Collecting samples of food products, water, surfaces, hands, and cosmetic products.
• Preparing culture media and checking their performance.
• Conducting microbiological analyses in accordance with the requirements of ISO/IEC 17025.
• Conducting physicochemical tests: measuring pH, conductivity, humidity, water activity (aw), and chlorine.
• Managing reference strains and in-house strains.
• Identifying microorganisms.
• Monitoring equipment, consumables, and analytical conditions.
• Managing nonconformities and corrective actions.
• Drafting and updating technical documents and quality system documents.
• Interpreting results and providing technical validation.
• Taking part in internal and external quality controls.
• Providing technical guidance to interns, monitoring their progress, and supporting them in conducting microbiological analyses in accordance with laboratory procedures.

Microbiology Laboratory Technician - MULTILAb S.A : laboratoire d’analyse agroalimentaire et environnement. - Ariana, Tunisie

(2020-12 - 2024-09)

• Preparing culture media.
• Preparing food and environmental samples.
• Inoculating various samples.
• Water analyses (MPN and filtration methods).
• Identifying microorganisms (staining, identification galleries, API).
• Reading and enumerating microorganisms.
• Biochemical confirmation.
• Hygiene analyses and monitoring of air, surfaces, equipment, and fingerprints.
• Microbiological analyses of disinfection products.
• Applying the quality management system.
• Taking part in TUNAC audits.

Microbiology Laboratory Technician - Lab21 : Laboratoire d'analyse & d'essais. - Ariana, Tunisie

(2018-06 - 2020-08)

• Preparing culture media and checking their performance.
• Conducting microbiological analyses of water.
• Subculturing food and water samples.
• Conducting microbiological analyses of cleaning products.
• Conducting interlaboratory tests.
• Managing consumables.
• Applying the quality management system rules.
• Taking part in TUNAC audits.

Intern - MULTILAb S.A : laboratoire d’analyse agroalimentaire et environnement. - Ariana,Tunisie

(2017-12 - 2018-01)

• Preparing culture media.
• Filtering water.

Intern - Société Arabe D'huile - Kasserine ,Tunisie

(2017-02 - 2017-03)

• Taking part in the food oil manufacturing process.
• Monitoring water treatment operations.
• Taking part in quality control activities.

PROFESSIONAL TECHNICIAN'S CERTIFICATE - AGRIFOOD SECTOR - Centre Sectoriel De Formation En Industrie AgroAlimentaire (2016-02 - 2018-02)

BACCALAUREATE - EXPERIMENTAL SCIENCES - Lycée Haidra (2014-09 - 2015-06)