Our intervention scope

Our scope of intervention

Present at the heart of major projects within the largest groups, NSIS is involved in the world of design and development, production, MOA/AMOA in IBM mainframe environments, new technologies and in the world of ERP.


NSIS relies on the strength of the Groupe INTM present in IDF, Nantes, Lille, Strasbourg, Lyon, Toulouse, Bordeaux, Maroc, and Belgium to offer a diversified range of services:


A specific offer aimed at young graduate profiles « NSIS Youth Offer » to discover in the Campus and startup incubator section.

A demanding selection process that guarantees the success of candidates from various fields:

Engineering schools (all fields)

Master of science (mathematics, physics, chemistry, biology...)

Business schools

Organization and information systems consulting:

Management of IT projects

Our consultants provide their expertise in the management of implementation projects, from deployment, and from maintenance of solutions.


New technologies



With its technological expertise, NSIS supports its customers in the evolution of their Information Systems.

Consultants with experience in IBM mainframe, NICT or ERP technologies, with optimised supervision and optimised delivery monitoring, support you on your projects to enable you to meet your objectives in terms of:

IS Optimization

Compliance with implementation deadlines

And / or implementation of new features

Application outsourcing

Our Third Party Application Maintenance (TMA) interventions allow you to Control your Application Assets and Optimize the Organization of your teams.
We take care of the different maintenance categories, ensuring maximum availability (intervention outside working hours/days, on-call duty):

Telephone assistance / User support (1st and 2nd level): processing user requests and providing answers.

Adaptive maintenance: taking into account changes in the software environment.

Operational monitoring: controlling the execution of critical applications.

Corrective maintenance : (on-the-spot correction) or (bypass solution and future correction) of incidents/bugs/technical issues reported by users or operations.

Progressive maintenance (minor and major changes): taking into account the new needs of users.

Preventive or qualitative maintenance: guaranteeing the best level of operation and data quality, by implementing permanent technological and functional monitoring.

We thus allow you to:

Refocus on your core business by relying on an efficient Information System at all times.

Improve the service provided to users.

Gain flexibility in managing your IT teams.

Location of TMAs:

Depending on your needs, your organization and your operating methods, we can carry out our interventions on one or more sites:

At your premises, at our premises in Ivry sur Seine.

In our Service Centre in Tunis.

Or with a multi-site structure.