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In charge of middle officer - OSSIAM

Natixis
France  Paris, France
Management, Anglais
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Description du poste:

Company Description

Ossiam is a French asset management company, subsidiary of Natixis Investment Managers, which develops and manages investment mandates and funds, particularly ETFs.

Ossiam is specialized in quantitative management and has a total assets under management of more than 10 billion euros, with a staff of nearly 50.

Job Description

You join Ossiam as a Middle Office Officer to ensure the proper processing of financial transactions carried out in connection with the management of its portfolios, essentially UCITS V under Luxembourg and Irish law. The concerned transactions cover products listed as OTC on various asset classes, as well as the management of the associated collateral. In liaison with the external stakeholders (valuator and custodian, transfer agent, counterparties), the candidate will have the task of ensuring the proper execution of the tasks related to the activity of the Middle Office.
On a daily basis, your tasks are to:
* Follow the flows related to the transactions carried out by the management teams of Ossiam;
* Control the net assets values;
* Follow the valuation of derivative products;
* Check compliance with regulatory and statutory ratios;
* Reconcile operations with counterparties;
* Manage the suspense.

As a Middle Office Manager, you will be responsible for maintaining and developing relationships and operating procedures with the various service providers in order to ensure the smooth running of management activities. You will work closely with the management team and the IT department to administer and maintain the reference base of Ossiam, which includes the definition and application of the policy and valuation rules for the various instruments in the portfolio, the tracking of liability movements and the realization of reportings. Thanks to your strong analytical skills, you will effectively manage your activity while ensuring rigorous first-level control. You will also be responsible for communicating regularly on the results, the checks carried out, and the areas for improvement identified through activity reports.
The position is based in Paris and available immediately.
Contact recrutement-mo@ossiam.com.
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Required Skills/Qualifications/Experience

About you: If you recognize yourself in the following description, you are made to work with us!

With a higher education, you have at least 2 years of experience in similar positions in management companies, investment banks, or with a depositary/valuator.

You master:
* All asset classes and derivatives.

You have excellent interpersonal skills, a very good ability to listen, you are:
* Capable of interacting effectively with all the teams at Ossiam, particularly the IT teams.

You master English with a C2 level.

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Origine: Site web de l'entreprise
Publié: 25 Dec 2025  (vérifié le 04 Jan 2026)
Type de poste: Emploi
Secteur: Banque / Finance
Langues: Anglais
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