ALTEN Mexico

Engineering and technology consulting services

Expert Windows

System AdministrationConfirmed live in the last 24 hours

Full-timeLille, FranceNo salary listedIn-person

About the Job

Requirements

Hold a degree from an engineering school or a Master's degree (Bac+5).
Have a minimum of 8 years of experience.
Demonstrate mastery of Windows Server versions 2019 to 2025, including Active Directory, DNS, DHCP, Group Policy Objects (GPO), Printing, and DFS.
Have experience with MCM packaging, patching, and OSD; MDT; Microsoft 365 (Teams, SharePoint, and OneDrive); and PowerShell scripting for automation.
Have experience with VMware, Microsoft Exchange, Microsoft Entra (Azure AD), and Symantec or Microsoft Defender.
Be autonomous and rigorous, and able to manage complex projects in a dynamic environment.
Have teamwork and teaching skills to support colleagues and clients.
Be responsive and service-oriented to address urgent matters and business needs.
Have professional proficiency in written and spoken English.

Responsibilities

Lead the design, deployment, and maintenance of Windows environments, including servers, workstations, and Active Directory.
Optimize the performance and security of Windows infrastructure in collaboration with DevOps and cybersecurity teams.
Act as a technical expert to resolve complex incidents and ensure service availability.
Contribute to the evolution of Windows architectures, including migrations, hybrid cloud, and automation using PowerShell and Ansible.
Train and advise internal teams and clients on best practices and new Microsoft technologies.
Monitor technology developments and propose solutions to meet business needs.

Description du poste

Pour renforcer son pôle Infrastructure et Systèmes, la Direction des Technologies et Solutions Digitales du groupe ALTEN recrute un Expert Windows, sous la responsabilité du Responsable Technique Infrastructure. ALTEN, leader en ingénierie et conseil en technologies, accompagne ses clients dans la transformation numérique et l’optimisation de leurs environnements IT.

Missions principales

Piloter la conception, le déploiement et la maintenance des environnements Windows (Serveurs, postes de travail, Active Directory).
Optimiser les performances et la sécurité des infrastructures Windows en collaboration avec les équipes DevOps et cybersécurité.
Intervenir en tant qu’expert technique pour résoudre les incidents complexes et garantir la disponibilité des services.
Contribuer à l’évolution des architectures Windows (migrations, cloud hybride, automatisation via PowerShell/Ansible).
Former et conseiller les équipes internes et les clients sur les bonnes pratiques et les nouvelles technologies Microsoft.
Assurer la veille technologique et proposer des solutions innovantes pour répondre aux enjeux métiers.

Qualifications

Formation / Expérience

Diplômé d’une école d’ingénieurs ou titulaire d’un Master (Bac+5)

Minimum 8 ans d’expérience

Compétences techniques

Infrastructure Windows Server : Maîtrise des versions 2019 à 2025, incluant Active Directory (AD), DNS, DHCP, GPO, Printing et DFS.
Gestion et déploiement : MCM (packaging, patching, OSD), MDT, M365 (Teams, SharePoint, OneDrive), et scripting PowerShell pour l’automatisation.
Sécurité et virtualisation : VMware, Microsoft Exchange, Microsoft Entra (Azure AD), Symantec / Microsoft Defender.

Qualités personnelles

Autonome et rigoureux, capable de gérer des projets complexes en environnement dynamique.
Esprit d’équipe et pédagogie pour accompagner les collaborateurs et les clients.
Réactivité et sens du service pour répondre aux urgences et aux besoins métiers.

Langues et mobilité

Maîtrise professionnelle de l'anglais (écrit et oral)

Informations supplémentaires

Tickets restaurant (60% pris en charge par ALTEN)

Participation aux frais de transports (Pass Navigo pris en charge à 90%…)

Avantages sociaux : chèques vacances, tarifs préférentiels, 1% logement

ALTEN Solidaire : bénévolats auprès d’associations caritatives (Les Restos du Cœur, Emmaüs…)

Evènements : soirées annuelles, afterworks, team building, ALTEN Awards…

Qualité de vie au travail : activités bien-être

About the Company

ALTEN Mexico

Engineering and technology consulting services

ALTEN Mexico provides engineering and technology consulting services by supplying highly specialized engineers who embed within client teams to work on complex projects. The way it works is by offering a flexible pool of talent for research and development needs, allowing clients to access experts without committing to permanent hires. The company differentiates itself through a focus on embedded engineering consultants, serving sectors like telecommunications, aerospace, and information systems, and by expanding its reach via organic growth and acquisitions across Europe and globally. Its goal is to help clients access top engineering expertise efficiently while growing the business through deliberate geographic and service expansion.

Company size: Not listed
Company stage: IPO
Headquarters: Boulogne-Billancourt, France
Founded: 1988

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