IT M365 Expert

We are looking for an IT M365 Expert, you are responsible for the design, development, and reliable operation of our cloud-based Modern Workplace environment built on Microsoft 365. You ensure that employees have secure, efficient, and high-performing digital workplace solutions. You collaborate closely with IT Security and Networking team. What your work will consist of?
• Core Microsoft 365 Platform Ownership
• Operate, maintain, and optimize all core M365 workloads, with specialized mastery in Microsoft Teams, SharePoint Online, OneDrive for Business, Exchange Online, and Entra ID.
• Ensure continuous availability, performance, scalability, and reliability of the entire M365 ecosystem, including collaboration workloads and content services.
• Oversee tenant‑wide configuration, service health monitoring, adoption governance, and lifecycle management. Microsoft Teams Expertise Administer Microsoft Teams end-to-end:
• Team lifecycle, templates, naming conventions, expiration & archival
• Channel governance, granular permission models, and private/shared channels
• Teams meeting policies, voice configurations, Teams Rooms, and compliance recording
• Teams App governance: policies, app permission setups, third‑party integrations
• Ensure seamless collaboration by configuring Teams ↔ SharePoint integrations, inheritance models, and permissions alignment. (Aligned with your organization’s use of Teams as primary data workspace)
• Provide expert guidance in Teams-driven document management, versioning, secure sharing, and data classification. SharePoint Online Expertise
• Architect, implement, and manage SharePoint Online site collections, hubs, information architectures, metadata structures, libraries, lists, and DLP-enforced collaboration policies.
• Oversee permission governance using Azure/Entra groups, role-based access, and scalable permission models. (Supports the defined model of RW/RO Azure Security Groups for SharePoint inheritance)
• Support organizational initiatives such as intranet evolution, content migration, data restructuring, and site administration for business units. OneDrive for Business Expertise
• Govern OneDrive environments, including synchronization controls, sharing restrictions, storage policies, and user onboarding.
• Enable user adoption and transition away from legacy file servers, supporting organizational strategy to promote Teams + OneDrive modern data access models.
• Ensure secure sharing across internal/external collaboration scenarios. Exchange Online (EOX) Ownership
• Full administrative control of mail flow, transport rules, connectors, accepted domains, compliance integrations, message tracing, and security configurations.
• Oversee hygiene controls (DKIM, DMARC, SPF), anti-phishing, and secure email routing.
• Lead mailbox provisioning, migration, hybrid coexistence, and associated governance.
• Compliance, Retention & Governance (Microsoft Purview)
• Design, implement, and enforce retention policies, retention labels, records management, and legal hold strategies across all M365 workloads.
• Maintain data lifecycle governance using Purview capabilities such as audit, eDiscovery, Insider Risk, communication compliance, and sensitivity labels.
• Ensure compliance with corporate, legal, and regulatory retention requirements, including defensible deletion and immutable record preservation.
• Collaborate with Legal, Data Protection, and Security teams to respond to audits and discovery requests. Identity & Security (Entra ID + Zero Trust)
• Implement and maintain identity governance, including access reviews, entitlement management, identity lifecycle, and privileged identity management.
• Configure Conditional Access, MFA enforcement, Identity Protection, and secure collaboration policies.
• Contribute to Zero Trust strategy across identity, devices, applications, and data. Modern Workplace Engineering & Automation
• Lead design, implementation, and enhancement of Modern Workplace standards, operational frameworks, and administrative automation.
• Develop automation solutions using PowerShell, Graph API, Power Platform, and workflow integrations.
• Evaluate, pilot, and deploy new Microsoft 365 features, ensuring proper change management, communication, and documentation. Cross-Team Collaboration & Operational Support
• Support Service Desk and operational teams with deep-dive issue resolution, root-cause analysis, and best-practice guidance.
• Deliver training, workshops, user enablement content, and capability development for internal teams.
• Maintain close collaboration with IT Security, Networking, and Architecture teams to ensure a unified and secure digital environment. Documentation, Standardization & Continuous Improvement
• Create and maintain comprehensive technical documentation, governance guidance, support runbooks, and user guides.
• Continuously identify areas for improvement in collaboration, compliance, automation, and overall M365 service maturity.
• Lead or participate in projects related to cloud transformation, collaboration modernization, and digital workplace optimization Maintain IT assets inventory via ITAM practices.
• Ensure clear, consistent IT communication aligned with GDELS IT strategy.
• Use predefined templates and standards for announcements, outages, and updates.
• Promote inter-site collaboration and knowledge sharing across IT teams.
• Facilitate onboarding and training sessions for new users and technologies.
• Collaborate with security teams on vulnerability management and threat detection. What is the profile required?
• Bachelor's degree in Computer Science, IT, or related field
• Minimum 5+ years of experience as a System Engineer with a focus on Microsoft M365.
• Good understanding of IT security, Zero Trust, and cloud governance.
• PowerShell scripting
• Experience with automation (PowerShell, Graph API).
• Excellent problem-solving and analytical skills
• Strong communication and collaboration skills
• IT certifications (Microsoft MS-102, SC-300, MD-102, AZ-104) and ITIL Foundation
• Ready to occasionally work late hours or on weekends for Patches/Updates/Rollouts
• Highly committed
• Advanced English written and spoken, Spanish and/or German is a plus
• Strong analytical and conceptual thinking.
• High degree of initiative and responsibility. What do

we offer
?
• Be part of a large international group, a leader in the defense sector.
• Participate in major national and international projects.
• Join a highly qualified team where you can develop a solid professional career.
• Excellent working environment in a proactive and collaborative setting.
• Competitive salary.
• Flexible compensation package, with benefits such as childcare, transportation, or training.
• Continuous

working hours
and flexible scheduling.
• Hybrid remote working model.
• Opportunity to travel and geographic mobility.