IT engineer Principal Architect Active Directory O365

Description -

• Own architecture and engineering direction forMicrosoft Exchange Server (on-premises) and Exchange Online including the corp-domain Exchange estate hybrid configuration and mail flow.
• Driveemail security configuration BEC sensitivity tuning anti-phishing and Defender for Office 365 policies and partner with managed-service vendors on day-to-day operational changes.
• UseExchange Online PowerShellto script audit and operate the environment at scale (e.g. mailbox configuration auto-reply policies recipient management).
• Serve as senior escalation point for production incidents involving messaging drive root-cause analysis and incident closure reporting.

• Leaddirectory consolidation and decommissioning including the in-flight Poly AD decommission scope coordination with GRC/audit and engineering-team retention exceptions.
• Partner with theIdentity Governance & Administration (IGA)team on access reviews account lifecycle and Entra connections.

• Lead the technical workstream forHPNOW / ATM Sunset the multi-year migration off the Yokohama-hosted AD and Exchange environment including architectural review scope definition and transition-support planning with NTT Data.
• Define the post-Yokohama target state for AD/Exchange functions and lead the re-architecture where existing capabilities are insufficient.
• Driveenterprise application cleanup(working with the apps team to retire orphaned tenants and unused services).

• Own thecertificate authoritystrategy with Entrust (including the new Austin DC CA replacing the unsupported legacy CA) and certificate lifecycle for production services such as Poly Manufacturing.
• Provide architectural input on adjacent infrastructure: server inventory and backup posture monitoring (PRTG migration) and network/NNI changes routed through the Network CAB.
• Maintain accurateCI/EPRID records in ServiceNow / HP NOWfor the messaging directory and server estate and partner with operations to keep RFC approvals unblocked.

• Execute and close outGRC controlsaffecting the messaging and directory estate on schedule.
• Represent the team inChange Advisory Boards(Network CAB etc.) and architecture reviews.
• Partner with Microsoft Mission Critical Services for M365 on platform health escalations and roadmap alignment.

• 12 years of enterprise infrastructure experience with deep expertise inMicrosoft Exchange (on-prem and Exchange Online / M365)andActive Directory.
• Strong working knowledge ofEntra ID hybrid identity and Microsoft 365 administration at enterprise scale.
• Demonstrated track record leadingdirectory consolidations mail migrations or post-acquisition integrationsin a large multi-domain environment.
• Fluent inExchange Online PowerShelland AD scripting / automation.
• Hands-on experience withenterprise PKI(certificate authorities certificate lifecycle vendor management Entrust or equivalent).
• Familiarity withServiceNow / CMDBpractices (CIs EPRIDs RFCs CAB processes).
• Strong written and verbal communication comfortable representing the team to executives auditors and external partners.

• Experience operating withmanaged-service partners(NTT Data Microsoft Premier/MCS or equivalents) and steering contractual obligations.
• Background sunsetting legacy data center infrastructure and migrating to modernized US-region equivalents.
• Familiarity withGRC / SOX-style IT controlsand audit response.
• Exposure to enterprise monitoring (PRTG or similar) and network change processes.

Job -

Schedule -

Shift -

Travel -

Relocation -

Equal Opportunity Employer (EEO) -

HP Inc. provides equal employment opportunity to all employees and prospective employees without regard to race color religion sex national origin ancestry citizenship sexual orientation age disability or status as a protected veteran marital status familial status physical or mental disability medical condition pregnancy genetic predisposition or carrier status uniformed service status political affiliation or any other characteristic protected by applicable national federal state and local law(s).

Please be assured that you will not be subject to any adverse treatment if you choose to disclose the information requested. This information is provided voluntarily. The information obtained will be kept in strict confidence.

For more information review HPsEEO Policy or read about your rights as an applicant under the law here: Know Your Rights: Workplace Discrimination is Illegal