Post-Doctoral Position - Development of non-targeted screening methodology (M/W)

Description de l'offre

NOUS RECHERCHONS UN (UNE)Post-Doctoral Position - Development of non-targeted screening methodology (M/W)

Type de contrat:Temporary / Fixed-Term
Localisation:
38 Rue du Président Wilson
Le-Pecq, ÎLE-DE-FRANCE, 78230
France
Référence de l'offre:req9710
Qui sommes-nous ?Avec 90 000 collaborateurs présents sur les cinq continents, SUEZ est un leader mondial dans la gestion intelligente et durable des ressources. Le Groupe fournit des solutions de gestion de l'eau et des déchets qui permettent aux villes et aux industries d'optimiser la gestion de leurs ressources et d'améliorer leurs performances environnementale et économique.
Votre profil

Diploma : PhD in environmental analytical chemistry.

Level of experience : 3 years minimum.

Skills : Theorical and practical skills of analytical equipment and methods for the analysis of organic micropollutants – Environmental samples preparation – LC-HRMS and LC-MS-MS analysis.

Sofware : Office, specific softwares for HRMS data analysis (R or Matlab) will be appreciated.

Languages : English : fluent

Other skills : Scientific rigour, critical mind, autonomy, dynamism, perseverance. Good abilities to write scientific documents, to work as team, to propos solutions.

Votre mission

Subject

Development of non-targeted screening methodology and evaluation of its applications on the monitoring of drinking water treatment facilities.

Context

The disruption of non-targeted screening approaches opens news opportunities in environmental analytical chemistry. New high-resolution mass spectrometry techniques allow analytical chemists to reach new scientific challenges involving, nevertheless, the development of speficic for workflows. Its applications on water analysis and monitoring will allow the generation of high relevant datasets and the access to a new type of information : new tracers and indicators of efficiency of water treatment processes.

The application of non-target screening implies a complete change in paradigm regarding usual laboratory practices for method development ans optimization (sample preparation, analytical method, quality control and insurance, data analysis and statistical tests…), the challenge being the generation the most global and the less specific chemical fingerprints of water samples.

Nowadays, the use of non-targeted screening approaches could represent a great revolution for the monitoring of water resources quality and for the management of treatment facilities efficiency.

Objectives of the resarch project

The main objective of the project is to develop the methodology of non-targeted screening in the main research center of SUEZ and to evaluate its applications for the monitoring of some specific drinking water treatment processes. The final global is its application to SUEZ Group's treatment plants and its inclusion of this innovative methodology in future bid-to-tenders. The results of the project will be presented in front of the main scientific actors of SUEZ Group but also by their publication in scientific journals and/or their presentation in national and international conferences.

Job's description

Postdoctoral researcher will contribute to the development and the validation of analytical methodologies in order to answer new challenges for the clients of SUEZ. His/her main activity will be the development of non-targeted screening methodology (suspected and non-targeted) and to apply it for the monitoring of water treatment facilities in drinking water production plants and for the water quality control of resources and drinking water. For this purpose, postdoctoral researcher will optimize all parameters of analytical methods : extraction conditions, chromatographic conditions, ionization and detection parameters, data analysis. He/She will evaluate the final methodology on real samples collected in SUEZ facilities : resources, treated water ans various waters produced by several processes.

Analytical methodology will be developed using UPLC-HRMS system (Orbitrap, QExactive, ThermoFisher). Sample preparation procedure will be based on solid phase extraction but some innovative techniques could also be tested.

The main tasks and activities of the postdoctoral researcher will be :

·Finding the best conditions of all parameters and defining the non-targeted screening methodology (from sampling to data analysis) that will be applied in several projects of SUEZ.

·Selecting, together with treatment experts from SUEZ, resources, unitary treatment processes and drinking water treatment plants where the methodology could be evaluated.

·Organizing and coordinating sampling campaigns.

·Performing analysis on real samples.

·Developing and evaluating new data analysis approaches with datasets, with the support of SUEZ Digital Hub experts.

·Developing MS spectra database for SUEZ laboratory by including revelant compounds for water analysis (suspect screening).

·Presenting the results of the project in national and international conferences and conducting the writing of, at least, 2 scientific articles.

The employee may be called upon to perform any other task that may be necessary and compatible with his/her functions.

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