Exchange Online Administrator - Onsite

Title:             Exchange Online Administrator - Onsite

Mandatory skills:

Exchange Server, Exchange Online, Microsoft 365,
reliable email services, Exchange infrastructure, mailbox migrations, mail flow,
email security features, system performance, anti-spam, anti-malware, threat protection,
hybrid synchronization, directory services, Azure AD Connect,
eDiscovery, legal holds, compliance investigations,
PowerShell scripting, Exchange administration, ITIL, service management,
On-Prem Management, Azure Active Directory, Exchange Online Protection, EOP,
DNS, SPF, DKIM, DMARC, mail flow routing

Description:

Position Summary
Manage and maintain our hybrid Exchange environment, including on-premises Exchange Server and Exchange Online (Microsoft 365). Ensure reliable email services, security, and compliance across the organization.

Key Responsibilities
Administer and support hybrid Exchange infrastructure (on-premises and Exchange Online)
Manage mailbox migrations, mail flow, and hybrid connectivity between environments
Configure and maintain transport rules, DLP policies, retention policies, and email security features
Monitor system performance, troubleshoot issues, and resolve user email problems
Implement anti-spam, anti-malware, and threat protection using Microsoft Defender for Office 365
Manage user provisioning, distribution groups, shared mailboxes, and permissions
Maintain hybrid synchronization and directory services (Azure AD Connect)
Execute eDiscovery, legal holds, and compliance investigations
Document configurations, procedures, and maintain system architecture records
Provide end-user support and training on email features

Required Technologies
Microsoft Exchange Online & Exchange Server (hybrid environment)
PowerShell (Exchange Online/On-Prem Management)
Microsoft 365 Admin Center & Exchange Admin Center (EAC)
Azure Active Directory & Azure AD Connect
Exchange Online Protection (EOP) & Microsoft Defender for Office 365
DNS, SPF, DKIM, DMARC, mail flow routing

Required Experience
4+ years managing Exchange environments
2+ years with hybrid Exchange (on-premises + Exchange Online)
2+ years PowerShell scripting for Exchange administration
Hands-on experience with mailbox migrations and hybrid deployments
Email security and compliance implementation

Preferred Qualifications
Microsoft 365 Certified: Messaging Administrator Associate
Experience with 500+ user environments
ITIL or service management experience

VIVA USA is an equal opportunity employer and is committed to maintaining a professional working environment that is free from discrimination and unlawful harassment. The Management, contractors, and staff of VIVA USA shall respect others without regard to race, sex, religion, age, color, creed, national or ethnic origin, physical, mental or sensory disability, marital status, sexual orientation, or status as a Vietnam-era, recently separated veteran, Active war time or campaign badge veteran, Armed forces service medal veteran, or disabled veteran. Please contact us at for any complaints, comments and suggestions.

Contact Details :

Account co-ordinator: Binodh Thankappan

VIVA USA INC.
3601 Algonquin Road, Suite 425
Rolling Meadows, IL 60008
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