Role Overview :

The Microsoft 365 & Active Directory SME will support the Lineage Okta to Microsoft Entra ID transformation as part of the Program, Architecture & Governance workstream. The role will contribute to a controlled, governance-led migration that protects business continuity, validates rollback readiness, and prepares the future-state environment for operational ownership.

Key Responsibilities :

- Assess Microsoft 365 federation and Active Directory dependencies.

- Design and validate hybrid identity, synchronization, UPN, immutable ID and user-matching considerations.

- Support staged Microsoft 365 federation transition, emergency access and rollback planning.

- Validate Active Directory groups, attributes, authentication flows and directory dependencies.

- Provide technical support during pilot, cutover, recovery testing and operational transition.

Required Experience and Skills :

- Microsoft 365 identity and federation

- Active Directory and hybrid identity

- Microsoft Entra Connect or equivalent synchronization concepts

- UPN, immutable ID, claims and authentication flows

- Break-glass, rollback and production troubleshooting

Key Deliverables :

- Federation and AD dependency assessment

- Hybrid identity design inputs

- Cutover and rollback runbooks

- Validation and handover evidence

Success Measures :

- Assigned deliverables are completed to agreed quality and governance standards.

- Risks, dependencies, defects and decisions are identified early and managed transparently.

- Testing, evidence, rollback and operational-readiness requirements are completed before production progression.

- Knowledge is transferred through clear documentation, walkthroughs and support enablement.

Preferred Profile :

- Bachelor's degree or equivalent practical experience in information technology, engineering, cybersecurity, program delivery or a related discipline. Relevant Microsoft, Okta, IT service management, security, change management or project management certifications are advantageous based on the role.