Manager, Directory Services & Messaging

Enterprise Products; Houston (TX); On-site; USD 130,000 - 160,000; Full time

Job summary

Enterprise Products Partners L.P. in Houston seeks a seasoned Directory Services & Messaging Manager to lead a senior IT enablement team responsible for design, deployment, and support of Active Directory, Entra ID, Azure, Exchange hybrid and Exchange Online, Microsoft 365, Intune, Purview, and related services.

The role blends people leadership with hands-on engineering: set priorities, drive automation via PowerShell/Graph API, guide 24x7 on‑call readiness, and partner with Security,

Qualifications

• 7+ years in large hybrid IT infrastructure with identity, messaging, cloud, and endpoint ownership.
• 5+ years leading technical teams delivering cross-functional outcomes.
• Expert in AD/Entra ID hybrid identity, PKI, DNS, GPOs, and OAuth/SSO controls.
• Proficient in Azure admin, Microsoft 365, Intune, and Purview governance.
• PowerShell/Graph API automation and enterprise documentation required.

Responsibilities

• Lead a senior team responsible for directory, messaging, M365, Azure, and endpoint services.
• Own hybrid identity architecture and identity synchronization across systems.
• Manage CA, MFA, RBAC, app registrations, and Key Vault.
• Oversee Exchange hybrid/migration to Exchange Online and mail flow.
• Support Teams, SharePoint Online, OneDrive, and Intune integrations.
• Provide 24x7 on-call escalation and drive secure solutions with partners.

Skills

Active Directory

Entra ID

Azure admin

Microsoft 365

PowerShell

Graph API

On-call support

Documentation

Ansible

Tools

Proofpoint

Ansible

SailPoint

CyberArk

Job description

Primary Location
USA-Texas-Houston
What you will be doing
Enterprise Products Partners L.P. is one of the largest publicly traded partnerships and a leading North American provider of midstream energy services to producers and consumers of natural gas, NGLs, crude oil, refined products and petrochemicals. Our services include natural gas gathering, treating, processing, transportation and storage; NGL transportation, fractionation, storage and import and export terminals; crude oil gathering, transportation, storage and terminals; petrochemical and refined products transportation, storage and terminals; and a marine transportation business that operates primarily on the United States inland and Intracoastal Waterway systems. The partnership’s assets include approximately 50,000 miles of pipelines; 260 million barrels of storage capacity for NGLs, crude oil, refined products and petrochemicals; and 14 billion cubic feet of natural gas storage capacity.
The Directory Services & Messaging Manager will serve as a hands‑on leader within the IT Infrastructure and Operations organization, leading an enablement team responsible for the design, architecture, deployment, and support of Active Directory, Entra ID, Azure, Exchange hybrid and Exchange Online, Microsoft 365, Intune, Purview, and related identity, messaging, and collaboration services. This role combines people leadership and service ownership with direct technical engagement. Leading a small, senior team, the manager will set priorities, develop the team, coordinate delivery, contribute to architecture and design decisions, develop and review automation, troubleshoot complex issues, lead major incident responses, and collaborate with engineers to deliver secure, dependable, and supportable solutions.
Responsibilities include, but are not limited to

• Lead and develop a team responsible for directory, messaging, Microsoft 365, Azure, and endpoint services.
• Manage/Own hybrid identity architecture across Active Directory and Entra ID, including identity synchronization, authentication methods, directory-integrated services (DNS,Kerberos,GPOs,PKI), and operational support for Microsoft 365 and Azure access.
• Manage Conditional Access, MFA, RBAC, app registrations, enterprise apps, consent governance, and Key Vault.
• Own Hybrid Exchange, mail flow, SMTP relay, and Proofpoint. Manage migration to Exchange Online
• Support Teams, SharePoint Online, OneDrive, Intune, Workspace ONE, and Microsoft 365 operations.
• Support Purview for retention, labels, DLP, eDiscovery, legal hold, and audit.
• Govern Power Platform environments, DLP policies, and connectors.
• Partner with Security, DevOps, Business Solutions, Cloud, and IT teams on secure solutions.
• Serve as the escalation point and own the 24x7 on-call model.
  

What Your Background Should Look Like (minimum Qualifications)
The successful candidate will meet the following qualifications

• 7+ years of progressive IT infrastructure experience in large hybrid enterprise environments, including hands‑on technical ownership and leadership across identity, messaging, cloud, and endpoint platforms
• 5+ years leading technical staff with accountability for delivery, execution, platform ownership, and cross‑functional outcomes while remaining technically active.
• Expert‑level knowledge and experience in the design, implementation, and support of the following
  • Active Directory and Entra ID, including hybrid identity, PKI, DNS, GPO administration, and directory‑integrated authentication.
  • Exchange hybrid and Exchange Online, including transport, namespace, and coexistence design.
  • Identity security controls, including OAuth, SSO, MFA, conditional access, access reviews, privileged access, and hybrid identity integration patterns.
• Deep hands‑on experience with the following
  • Azure administration, including subscription and resource organization, Azure and Entra RBAC, app registrations, service principals, managed identities, consent governance, and Key Vault.
  • Microsoft 365 services, including Teams, SharePoint Online, and OneDrive.
  • Endpoint management platforms, including Intune and Workspace ONE.
  • Microsoft Purview, including retention, sensitivity labels, DLP, eDiscovery, and audit.
  • Mail hygiene and secure email gateway administration, including Proofpoint.
  • Windows Server administration across current supported versions.
• Demonstrated experience in the following
  • Hands‑on design and execution of an enterprise Exchange Online migration, including hybrid transport, namespace, and coexistence.
  • Development of PowerShell and Graph API automation for provisioning, reporting, and operational remediation; the candidate should write automation, not only run it.
  • Production of documentation covering processes, standards, runbooks, and technical specifications, including identity and messaging architecture diagrams.
• Ansible experience preferred; SailPoint and CyberArk integration knowledge desired.
• Available for 24x7 escalation and on‑call support as required.
  

Shift
Day Job
Unposting Date
Ongoing
Organization
Info Tech
Job
Information Technology