Senior M365 Application Integration Engineer

Senior M365 Application Integration Engineer

Open-ended contract

Mission

  • 3–5+ years of senior-level experience with Microsoft 365 in a hybrid provisioning and authentication environment.
  • Strong expertise in PowerShell scripting, Azure DevOps, C# development, and Terraform.
  • Experience in large-scale messaging infrastructure and federated authentication.
  • Solid knowledge of Microsoft 365 Security & Compliance, including Purview and Defender.
  • Ability to work independently and communicate effectively in English (mandatory).
  • Strong interpersonal skills and a collaborative mindset.
  • Ability to explain technical concepts to non-technical stakeholders.
  • Familiarity with Information Security principles and practices.

 

Nice to Have

  • CISSP or equivalent security certification.
  • Broad understanding of information systems, including Windows and network security, and non-Windows operating systems.

 

Working Environment

  • English-speaking environment.
  • Hybrid work model: 2 days per week in the Lisbon office.

Profile

Organization

We are looking for a Senior M365 Application Integration Engineer to join a global team responsible for delivering and supporting Microsoft 365 services in a complex, hybrid environment. This role is ideal for someone with strong technical expertise, a proactive mindset, and a passion for automation, security, and collaboration.

 

Key Responsibilities

  • Maintain and support the global M365 platform, including updates, patching, migrations, and deployments.
  • Manage and enhance a provisioning portal built on Azure DevOps.
  • Ensure high levels of security, availability, and compliance across the M365 environment.
  • Provide 3rd/4th level support and collaborate with vendors and IT teams for issue resolution.
  • Develop and maintain operational documentation and standard procedures.
  • Drive knowledge transfer to L2 teams and support shift-left initiatives.
  • Collaborate with cross-functional teams including Architecture, Cyber Defense, and Security.
  • Lead change initiatives within the Application Integration team.

Country

Portugal

Location

Lisbon

Contract type

Open-ended contract

Apply