Change Manager M365 Tenant & AI Integration

Your connection with Aubay starts in the following lines:

Aubay Portugal is a French multinational company that has been operating in the country since 2007, with offices in Lisbon and Porto. We are a leading technology consultancy with a presence in seven European Union countries, specializing in the management, implementation, development and maintenance of information systems.

With more than 150 active partners, we operate in strategic sectors such as banking, insurance, automotive, aviation, telecommunications, services and energy, driving innovation and digital transformation.

Excellence, proximity and innovation are the pillars that distinguish us and enable us to support companies in building technological solutions that make a difference.

What are we looking for?

• Minimum of 3 years of experience as a Change Manager.
• Strong experience in Change Management (ITIL or similar frameworks), Risk & Compliance Management, and Enterprise Governance Models.
• Deep knowledge of Microsoft 365 architecture, Microsoft Graph API (REST endpoints, permissions, throttling, etc.), Entra ID (Azure AD) app registrations & permission models, Copilot APIs, and Microsoft AI ecosystem.
• Understanding of Identity & Access Management (IAM), OAuth 2.0 / OpenID Connect, and API security patterns.
• Experience owning and governing the end-to-end change lifecycle for M365 tenant services, ensuring structured risk assessment, approval workflows, and rollout strategies.
• Ability to evaluate and control application permissions (delegated & application), ensuring compliance with data protection, legal hold, and regulatory requirements.
• Proficiency in governing the use of Microsoft Graph APIs across applications and services, and reviewing/approving custom integrations leveraging Graph and Copilot APIs.
• Experience in overseeing Azure AD / Entra ID App Registrations lifecycle, detecting and mitigating over-privileged or risky applications.
• Capability to enable secure adoption of Microsoft Copilot APIs and Copilot extensibility (MCPs – Microsoft Copilot Plugins/Connectors), defining guardrails for Data access via AI systems.
• Experience in identifying, assessing, and tracking change-related risks, implementing continuous monitoring.
• Excellent stakeholder management and communication skills, translating technical changes into business impact and value.
• Fluency in English.

What do we have to offer you?

• Comprehensive health insurance, including dental coverage;
• Feedback & Coffee – our integrated performance management system, with regular feedback sessions and a structured Career Progression Model;
• Aubay Training Academy, designed for your development: technical and behavioural training (in-class and e-learning), Meet & Techs, Webinars, Mentoring and Technology Centers;
• Events and team building activities that strengthen team spirit and promote closeness;
• Digital platform for mental health and emotional well-being, with free psychology consultations, so you can take care of yourself at any time;
• Health and well-being programme, with workshops and initiatives for our employees and other activities open to the community;
• We grow with you and your family - we offer a Mini-Aubilous Kit when your children are born and annual support for school supplies, from pre-school to higher education;
• Language platform, with conversation classes in 12 languages;
• Working model: hybrid in Lisbon.

What makes us different?

• Our organisational culture is based on solid values: commitment, excellence, team spirit, well-being, happiness and empathy;
• We value and recognise those who are part of our history, with referral awards and a special birthday gift;
• We believe in authenticity: we don't have a dress code, because what matters is talent and attitude;
• We promote closeness and an informal environment;
• Here, you will grow in good company, because we believe that professional development also means sharing experiences and building relationships.

Your next adventure starts here!

If you can see yourself growing with us, take the first step and send your CV to: maria.t.moreno@aubay.pt.

The future is waiting for you — and so are we!

Contacts and Address

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Av. Duque de Ávila 46, 7C 1050-083 Lisboa