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Exchange Online/Microsoft 365 Administrator IT Infrastructure · Remote; US time zones Posted
Remote / Online - Candidates ideally in
Independence, Kenton County, Kentucky, 41051, USA
Listed on 2026-09-12
Independence, Kenton County, Kentucky, 41051, USA
Listing for:
CYFR Technology
Full Time, Remote/Work from Home
position Listed on 2026-09-12
Job specializations:
-
IT/Tech
Systems Administrator
Job Description & How to Apply Below
Exchange Online / Microsoft 365 Administrator
Full-time
We manage a hybrid Exchange environment connecting on-prem Exchange 2019 to Exchange Online, with 1,200+ mailboxes in a multi-domain tenant spanning three verified domains, multiple email address policies, and complex transport rules. We need someone who knows exactly which cmdlet to reach for when a user reports their calendar delegate stopped working.
Responsibilities- — Manage Exchange Online Protection, Defender for Office 365, anti-phish policies, safe links/safe attachments
- — Own transport rule management: DLP policy templates, S/MIME enforcement, disclaimer rules, journaling to third-party archive
- — Administer Exchange Online Power Shell: mailbox management, RBAC role groups, mailbox folder permissions, audit logging
- — Manage Teams admin center: voice routing, calling policies, auto attendants, call queues
- — Administer Microsoft 365 Groups, shared mailboxes, resource mailboxes, and Public Folder coexistence
- — Write automation scripts for user provisioning and license management using MS Graph Power Shell SDK
- — 5+ years of Exchange administration (on-prem, hybrid, and EXO)
- — Expert-level Exchange Power Shell — you can write a script to find every mailbox with a broken delegate permission in one pipeline
- — Experience with hybrid migration from Exchange 2016/2019 to Exchange Online
- — Understanding of SMTP, DKIM, DMARC, SPF, and mail flow troubleshooting
- — Knowledge of Defender for Office 365 — Threat Explorer, automated investigation, attack simulation
- — Comfortable with Microsoft Graph API and MS Graph Power Shell for cross-workload automation
- — MS-203 or MS-220 certification
- — Experience with compliance features: eDiscovery (Standard and Premium), retention policies, communication compliance
- — Knowledge of third-party email security gateways (Mimecast, Proofpoint)
- — Familiarity with Active Directory attributes that drive Exchange: proxy
Addresses, mail Nickname, legacyExchangeDN
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