Infrastructure O365 TPM

Job Title: Infra O365 TPM

Location: Fountain Valley, CA (Onsite/Hybrid – As per client requirement)

Key Responsibilities
Project Leadership & Governance

• Lead the end‑to‑end delivery of the Email Domain Separation project, from discovery and planning through execution, cutover, and stabilization.
• Define project scope, success criteria, milestones, dependencies, risks, and mitigation plans.
• Establish and manage project governance, status reporting, RAID logs, and stakeholder communications.
• Ensure alignment with enterprise IT strategy, security policies, and compliance requirements.

           Drive technical design discussions related to:

• Exchange Online / O365 tenant architecture
• Accepted domains, email address policies, and routing
• Hybrid Exchange and coexistence scenarios
• Azure AD / Active Directory identity boundaries
• SMTP relay, mail flow, connectors, and third‑party integrations
• Coordinate domain separation activities such as:
• Domain ownership validation and DNS changes (MX, SPF, DKIM, DMARC)
• Email address and UPN impact analysis
• Mail flow segregation and coexistence planning
• Application and service dependency assessment (SMTP, scanners, SaaS apps)
• Ensure security controls are maintained or enhanced, including:
• Conditional Access considerations
• Privileged access boundaries
• Role‑based access and tenant isolation

Stakeholder & Cross‑Team Coordination

• Work closely with:
• Active Directory / Identity teams
• Exchange / Messaging teams
• Security and Compliance teams
• Network, DNS, and infrastructure teams
• Application owners and business stakeholders
• Translate technical complexity into clear business‑level communication for leadership and non‑technical stakeholders.
• Lead technical workshops, design reviews, and change readiness discussions.

Risk, Cutover & Operational Readiness

• Identify risks related to:
• Email downtime or misrouting
• Identity or authentication failures
• Application mail flow breakage
• Compliance or data residency concerns
• Develop and execute:
• Cutover and rollback plans
• Change management and communication plans
• Post‑migration validation and stabilization activities
• Ensure proper documentation, operational handover, and knowledge transfer to support teams.