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Active Directory Security Architect (H/F)

Magellan Partners

Full-time|On-site|Nantes

Join our innovative team at Magellan Partners as an Active Directory Security Architect. In this pivotal role, you will leverage your expertise to enhance the security posture of our Active Directory environments. Your contributions will help shape our security strategies and ensure robust protection against evolving threats.

Dec 10, 2025

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Consultant Intern - Final Year Internship - Nantes – CYB - Implementation of Automated Controls on Active Directory

Wavestone

Internship|On-site|Nantes

Join Wavestone as a Consultant Intern in Nantes, where you will play a key role in the implementation of automated controls on Active Directory. This final year internship will provide you with hands-on experience in a dynamic consulting environment, allowing you to enhance your skills while contributing to meaningful projects.At Wavestone, we value innovative thinkers who can bring fresh perspectives to our team. You will work alongside experienced consultants and gain insights into best practices in IT governance and security.

Aug 4, 2025

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Endpoint Security Architect - (H/F)

Magellan Partners

Full-time|On-site|Nantes

We are seeking a talented Endpoint Security Architect to join our dynamic team at Magellan Partners. In this role, you will be responsible for designing and implementing security solutions that protect our endpoints across various environments. You will collaborate with cross-functional teams to identify vulnerabilities and develop strategies to mitigate risks.The ideal candidate will be proactive, detail-oriented, and possess a strong understanding of security best practices. If you are passionate about cybersecurity and want to make a significant impact, we want to hear from you!

Dec 10, 2025

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Commercial Associate - CDI F/H

Metromakro

Full-time|On-site|Nantes

Metromakro is looking for a Commercial Associate (CDI F/H) to join the team in Nantes. This position works closely with the sales department and plays an important role in supporting both clients and colleagues. Key responsibilities Work with the sales team to help expand Metromakro’s presence in the market Assist with client communications and help maintain ongoing relationships Support business objectives by delivering attentive and consistent customer service Location This position is based in Nantes.

Apr 23, 2026

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Solution Architect (H/F)

Devoteam

Full-time|On-site|Nantes

Join Devoteam as a Solution Architect and be at the forefront of IT strategy and project management. In this pivotal role, you will harness your expertise to design innovative solutions that meet our clients' needs. Collaborate with a dynamic team of professionals to drive success and enhance our service offerings.

Jan 23, 2026

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Azure DevOps Architect (H/F)

Magellan Partners

Full-time|On-site|Nantes

Join our dynamic team at Magellan Partners as an Azure DevOps Architect. In this pivotal role, you will leverage your expertise in cloud technologies to design and implement robust DevOps solutions on the Azure platform. You will collaborate closely with cross-functional teams to drive innovation and enhance operational efficiencies.

Dec 10, 2025

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AWS Security Engineer - Nantes (H/F)

Devoteam

Full-time|On-site|Nantes

Join our team as an AWS Security Engineer and play a crucial role in safeguarding our clients' cloud infrastructure. In this position, you will leverage your expertise in AWS security practices to design, implement, and manage security solutions that align with our clients' needs.Your responsibilities will include assessing security risks, implementing best practices, and ensuring compliance with industry standards. Collaborate with cross-functional teams to enhance our cybersecurity posture while delivering exceptional service to our clients.

Jan 9, 2026

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Technical Architect / Team Manager (F/H)

ASI

Full-time|On-site|Nantes

L'inclusivité débute par les mots, cette annonce utilise un genre unique pour la lisibilité, tout en s'adressant à tous les talents. Nous sommes en quête d'un Architecte Technique et Manager d'équipe pour soutenir le développement de notre agence à Nantes.En tant qu'Architecte Technique / Manager, vous serez le point de convergence entre :Une expertise technique de haut niveau,Une participation active aux projets clients,Un rôle de leader RH, pour favoriser la croissance et le développement des compétences des équipes.Vous êtes un leader inspirant, capable de faire évoluer vos collaborateurs tout en enrichissant l'offre d'expertise de l'agence. Vos responsabilités :Leadership TechniqueIntervenir en tant qu'architecte ou expert technique sur des projets clients majeurs,Concevoir et diriger des architectures durables et évolutives (cloud, données, digital, collaboratif),Assurer la qualité des choix techniques, des pratiques et des normes,Participer activement aux avant-ventes (cadrage, soutenance, chiffrage).Management d'équipe et développement des talentsGérer une équipe de professionnels techniques (développeurs, leads, experts, architectes),Assurer le management RH : entretiens annuels et professionnels, fixation des objectifs, suivi de la performance et du bien-être,Identifier les talents à potentiel et construire des parcours d'évolution personnalisés,Accompagner le développement des compétences via coaching, mentorat et tutorat,Créer un environnement favorisant l'engagement, la responsabilisation et la transmission.Développement de l'offre et rayonnement de l'agenceContribuer à la structuration et au développement de l'offre d'expertise de l'agence,Identifier les relais technologiques et piloter des démarches d'innovation,Animer ou participer à des communautés internes (collège d'architectes, expertises).Participer au rayonnement externe de l'agence : conférences, meetups, webinars, événements écosystémiques.Pilotage et contribution à la performanceContribuer à l'équilibre charge/capacité et à l'adéquation compétences/missions,Être attentif à la rentabilité des projets et à la création de valeur.

Jan 5, 2026

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M365 Architect (SharePoint/Teams) (H/F)

Magellan Partners

Full-time|On-site|Nantes

Join Magellan Partners as an M365 Architect specializing in SharePoint and Teams. We are seeking a passionate individual who is ready to contribute to innovative projects and help our clients navigate the Microsoft 365 ecosystem. In this role, you will design and implement solutions that enhance collaboration and productivity across organizations.

Dec 10, 2025

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Microsoft Security Consultant - Nantes (H/F)

Devoteam

Full-time|On-site|Nantes

Join Devoteam as a Microsoft Security Consultant in Nantes, where you will lead initiatives to enhance cybersecurity measures and protect our clients' digital assets. Your role will involve assessing security vulnerabilities, implementing security solutions, and ensuring compliance with regulatory requirements.

Jan 9, 2026

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Network and Security Integrator H/F

Inetum

Contract|On-site|Nantes

We are seeking a skilled and motivated Network and Security Integrator to join our Nantes office. In this role, you will play a crucial part in ensuring the robustness and security of our network architectures.Key Responsibilities:Test, qualify, and integrate network and security architectures.Draft comprehensive documentation for components, installation, and production deployment of these architectures for our production teams.Technical Skills Required:Experience with Juniper equipmentFamiliarity with Fortinet equipmentKnowledge of F5 systemsExperience with McAfee solutionsUnderstanding of Zscaler proxying equipmentProficiency with HUAWEI switching equipment

Feb 23, 2026

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Application Security Auditor / SecDevOps - NANTES (H/F)

Devoteam

Full-time|On-site|Nantes

Join Devoteam as an Application Security Auditor specializing in SecDevOps in our vibrant Nantes office. We are looking for a proactive individual passionate about cybersecurity to enhance our clients' security posture. In this role, you will assess application security risks, implement best practices, and collaborate with cross-functional teams to integrate security into the software development lifecycle.

Jan 9, 2026

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Cloud AWS Architect (M/F)

Devoteam

Full-time|On-site|Nantes

Devoteam seeks a Cloud AWS Architect (M/F) to join the Cloud department in Nantes. This role centers on designing and building AWS-based solutions that help meet business objectives and streamline operations. Key responsibilities Collaborate with colleagues from various backgrounds to deliver cloud projects Analyze client needs and convert them into technical architecture Design and implement scalable infrastructure using AWS services Location This position is based in Nantes.

Apr 24, 2026

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Cloud Data Architect (Azure) (M/F)

Magellan Partners

Full-time|On-site|Nantes

Join Magellan Partners as a Cloud Data Architect specializing in Azure. In this pivotal role, you will design and implement innovative cloud solutions that drive data management and analytics for our clients. Your expertise will be crucial in optimizing cloud architecture to meet business requirements while ensuring security, scalability, and performance.

Dec 10, 2025

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Network and Security Administrator (M/F)

Inetum

Full-time|On-site|Nantes

We are seeking a skilled Network and Security Administrator to join a challenging project with one of our public sector clients.Your Responsibilities:- Configure network equipment- Commission and produce solutions- Deploy new use cases- Manage incidents and problems- Operate tools and infrastructures- Maintain documentation- Collaborate with administrators and project managersTechnical Environment:Load Balancer: F5.Firewalls: Fortinet/Fortimanager - Juniper/JunospaceProxy: BluecoatZscaler: SIPA filtering - URL categorization.IPAM: Efficient IPDDoS Protection: Absolute VisionData Analysis: Kibana and Splunk

Feb 23, 2026

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Security Lead

Groupement des Mousquetaires

Full-time|On-site|Nantes

Join our dynamic team as a Security Lead in Nantes, where you will play a crucial role in safeguarding our operations and assets. Your expertise will help us enhance our security protocols and ensure a safe working environment for all employees.

Oct 9, 2025

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IT Infrastructure Architect – Kubernetes / CI/CD / Linux (M/F) - Nantes

Inetum

Full-time|On-site|Nantes

Passionate about designing complex architectures and eager to work on strategic projects within a secure environment? Inetum is looking for an IT Infrastructure Architect M/F to lead the definition of standards, norms, and technical solutions at the heart of critical infrastructures in the public sector.Your Key ResponsibilitiesArchitecture Design & DefinitionDraft commercial proposals and architectural documentation (HLD, LLD, DAT).Analyze architectural choices and present technical solutions to architecture committees.Establish operational standards and norms along with security guidelines (ANSSI).Management & CoordinationParticipate in initiating activities in SAFe mode (TMA sprints).Facilitate the System Engineers & DevOps community.Collaborate with TMA teams to define technical points.Technical Architecture & CI/CDDesign CI/CD architectures: Kubernetes, GitLab, Jenkins, Nexus, SonarQube, Ansible Automation Platform.Define architecture for the IT infrastructure: NTP, bastion (Wallix), Antivirus, ELK, CFT, OPS Manager, Aptly.Develop architectures for Data Science: DataIKU, Tableau, Vertica.Application hosting: microservices Spring Boot environments.

Mar 4, 2026

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Cyber Security Consultant Intern - Digital Workplace Security in Nantes

Wavestone

Internship|On-site|Nantes

Join Wavestone as a Cyber Security Consultant Intern specializing in Digital Workplace Security. This position is designed for students nearing the completion of their studies who are eager to gain hands-on experience in a dynamic and innovative environment.Your role will involve collaborating with teams to analyze security protocols and implement effective solutions to safeguard modern workplace environments against cyber threats.

Feb 3, 2025

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Night Watchman - H/F

Louvre Hotels Group

Part-time|On-site|Nantes

Join our dedicated team at Louvre Hotels Group as a Night Watchman. In this crucial role, you will ensure the safety and security of our guests and property during the night hours. Your responsibilities will include monitoring premises, responding to emergencies, and providing exceptional customer service to guests who may require assistance during the night.

Mar 11, 2026

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GCP Cybersecurity Engineer - Nantes (H/F)

Devoteam

Full-time|On-site|Nantes

Join our dynamic team at Devoteam as a GCP Cybersecurity Engineer in Nantes! We are looking for a motivated professional to help safeguard our clients' cloud infrastructure on Google Cloud Platform (GCP). If you are passionate about cybersecurity and possess the skills to enhance our clients' security posture, this role is for you!

Jan 9, 2026

Cyber Security Consultant Intern - Digital Workplace Security in Nantes

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