Exchange Online Administrator

Our Company

We’re Hitachi Digital, a company at the forefront of digital transformation and the fastest‑growing division of the Hitachi Group. We play a crucial role in the company’s strategy and ambition to become a premier global player in the fast‑moving digital transformation market.

Our group companies — including GlobalLogic, Hitachi Digital Services, Hitachi Vantara, and more — offer comprehensive services that span the entire digital lifecycle, from the initial idea to full‑scale operation and the underlying infrastructure. Hitachi Digital represents One Hitachi, integrating deep domain knowledge with advanced digital capabilities and harnessing the collective power of our services, technologies, and partnerships to accelerate impact for our customers and society.

Imagine the sheer breadth of talent it takes to unleash a digital future. We don’t expect you to ‘fit’ every requirement — your life experience, character, perspective, and passion for achieving meaningful outcomes in the world are equally important to us.

O365 Administrator (Exchange & Teams Focus)

We are seeking a O365 Engineer with 10+ years of experience, who will primarily focus on developing Exchange Online and Microsoft Teams.

Key Responsibilities

• Design, deploy, and manage Exchange Online architecture in Microsoft 365


• Administer, configure, and maintain Microsoft 365 services with a strong focus on Exchange Online and Microsoft Teams


• Handle Exchange Online tasks such as mailbox management, permissions, and troubleshooting


• Manage mail flow, connectors, and transport rules


• Configure anti-spam, anti-malware, and phishing policies


• Manage retention policies, legal holds, and eDiscovery


• Perform advanced message tracing and diagnostics


• Maintain and support the Teams environment, including channels, permissions, and policies


• Support additional M365 services such as OneDrive and (nice to have) SharePoint Online


• Manage user accounts, permissions, and security configurations in Azure Active Directory (Azure AD)

Qualifications & Requirements

• Design, deploy, and manage Exchange Online architecture in Microsoft 365


• Administer, configure, and maintain Microsoft 365 services with a strong focus on Exchange Online and Microsoft Teams.


• Handle Exchange Online tasks such as mailbox management, permissions, troubleshooting


• Manage mail flow, connectors and transport rules


• Configure anti-spam, anti-malware, and phishing policies


• Manage retention policies, legal holds, and eDiscovery


• Perform advanced message tracing and diagnostics


• Maintain and support the Teams environment, including channels, permissions, policies


• Support additional M365 services such as OneDrive and—nice to have—SharePoint Online.


• Manage user accounts, permissions, and security configurations in Azure Active Directory (Azure AD)

Preferred Skills (Nice to Have)

• Experience with SharePoint Online administration


• Knowledge of Intune, Defender for Office 365, and compliance policies


• Familiarity with hybrid Active Directory environments


• Basic scripting experience in PowerShell for automation

About Us

We’re a global team of innovators. Together, we harness engineering excellence and passion for insight to co‑create meaningful solutions to complex challenges. We turn organizations into data‑driven leaders capable of making a positive impact on their industries and society.

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