CareerPlan

Sr. Exchange Online Administrator (Systems Engineer)

USAFull-time$67k–$107k2026-11-07 → 2026-11-10
On-siteNo visa sponsorshipCitizens onlySecurity clearance required

Core

Manage and maintain a hybrid Exchange environment to ensure reliable, secure, and compliant email services across the organization.

Role type

Senior Exchange Online Administrator (Systems Engineer)

Builds

Hybrid email infrastructure, mail flow, security policies, and compliance controls

Domain

IT / Email Security / Cloud Services

Required skills

Exchange Online, Exchange Server, PowerShell, Azure AD Connect, Microsoft Defender for Office 365, DNS, SPF, DKIM, DMARC, mail flow routing, mailbox migrations, hybrid deployments, email security, compliance, eDiscovery, legal holds

Preferred skills

Microsoft 365 Certified: Messaging Administrator Associate, environments with 500+ users, ITIL or service management experience

Technologies

Active Directory, Azure AD, Microsoft 365, Office 365, PowerShell, Security, Cloud

Responsibilities

Administer and support hybrid Exchange infrastructure; manage mailbox migrations, mail flow, and connectivity; configure transport rules, DLP, and retention policies; monitor system performance and troubleshoot issues; implement anti-spam, anti-malware, and threat protection; manage user provisioning, distribution groups, and shared mailboxes; maintain hybrid synchronization and directory services; conduct eDiscovery and compliance investigations; document configurations and procedures; provide end-user support and training

Seniority

Senior, hands-on IC