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Devoteam

IT consulting for digital transformation

Ingénieur Sécurité Transverse / Durcissement

Security Engineering & ArchitectureConfirmed live in the last 24 hours
Full-timeNantes, FranceNo salary listedIn-person

About the Job

Requirements

  • A higher-education qualification at Bac+5 level in computing or cybersecurity.
  • At least 5 years of experience in infrastructure and Microsoft-environment cybersecurity.
  • Strong expertise in Microsoft 365 and Active Directory technologies.
  • Experience conducting risk analyses, hardening systems, and supporting projects.
  • Proficiency with vulnerability-management and operational-security tools.
  • Analytical and synthesis skills; communication and advisory capabilities; ability to work across teams; autonomy and responsibility; writing skills; teamwork and customer orientation; initiative and continuous-improvement mindset.

Responsibilities

  • Support project teams during the Design and Build phases to integrate cybersecurity requirements.
  • Advise teams on cybersecurity architectures and technical choices.
  • Conduct risk analyses with technical teams, architects, and CISOs.
  • Participate in technical studies, proofs of concept, and selection of security solutions.
  • Define security requirements applicable to projects.
  • Write and maintain security standards and hardening guides.
  • Monitor cybersecurity technologies.
  • Define and maintain security standards for Windows, macOS, and Linux workstations.
  • Manage compliance for workstations and mobile devices running iOS and Android.
  • Design secure workstation images, including for administrator workstations.
  • Administer and secure Microsoft Entra ID.
  • Deploy and maintain Conditional Access policies and implement Password Protection.
  • Administer Microsoft Intune and deploy Windows Hello for Business.
  • Implement Microsoft Defender App Control and Endpoint Privilege Management.
  • Contribute to data security using Microsoft Double Key Encryption and hardware security modules.
  • Define and administer role-based access control models, strengthen Active Directory security, and administer certificates and public key infrastructure.
  • Contribute to privileged-access-management projects.
  • Use vulnerability-scan results from Tenable and coordinate remediation plans with technical teams.
  • Analyze and handle alerts from endpoint detection and response and extended detection and response solutions.
  • Use Microsoft Defender for Identity and contribute to handling Varonis alerts.
  • Contribute to continuous improvement of the security posture.

About the Company

Devoteam

IT consulting for digital transformation

Devoteam is a consulting firm that helps organizations navigate digital transformation through digital strategy, technology, and cybersecurity services. It offers IT services such as digital business products, data-driven intelligence, business automation, distributed cloud solutions, and cybersecurity to enterprises and public-sector clients. The company operates by delivering consulting services, technology implementation projects, and ongoing managed services, backed by strategic partnerships with AWS, Google Cloud, Microsoft, Salesforce, and ServiceNow. Unlike firms that only provide advisory or tech deployment, Devoteam combines business consulting with creative tech and hands-on solutions across cloud, data, automation, and security. Its goal is to help clients improve operational efficiency and change through technology, guiding them from strategy to execution.

Company size
10,001+
Company stage
IPO
Headquarters
Levallois-Perret, France
Founded
1995

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