Senior O365 Exchange Administrator
CyberTec - Tampa, Florida, us, 33646
Work at CyberTec
Overview
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Overview
Senior O365 Exchange Administrator Visa -
USC & GC Location -
Remote Davie,FL Rate -
40-45/hr on W2 Project Duration -
12+ months Exp. -
8+ Year End Client -
CN Must have Updated LinkedIn also GC front and back Job Description: Position Summary: We are seeking a highly skilled Senior O365 Exchange Administrator to join our IT Infrastructure team. The ideal candidate will have extensive experience managing and administering Microsoft Exchange Online (O365), on-premise Exchange environments, and hybrid Exchange setups. This role requires strong technical expertise in messaging, collaboration tools, and enterprise email systems, with a focus on performance, reliability, security, and scalability.
Key Responsibilities: Administer and support Microsoft Exchange Online (Office 365), including hybrid Exchange environments. Manage the lifecycle of mailboxes, distribution groups, public folders, and shared mailboxes. Configure and maintain email security, including anti-spam, anti-malware, and data loss prevention (DLP) policies. Monitor and troubleshoot mail flow issues, ensuring high availability and performance. Perform migrations from on-prem Exchange to Exchange Online, including planning and execution. Maintain Exchange-related DNS records (MX, SPF, DKIM, DMARC) and support email deliverability. Develop and maintain PowerShell scripts for automation and reporting. Collaborate with IT Security to ensure compliance with enterprise policies and industry standards. Provide Tier 3 support for messaging-related incidents and service requests. Document system configurations, procedures, and troubleshooting guides. Stay current with Microsoft technologies, features, and best practices. Qualifications:
Bachelor's degree in Computer Science, Information Systems, or related field, or equivalent experience. 7+ years of experience with Microsoft Exchange administration (including Exchange Online and Exchange Server 2013/2016/2019). Strong knowledge of Office 365 suite, Azure Active Directory, and Microsoft 365 security/compliance features. Experience with hybrid Exchange environments and Exchange Online migrations (Cutover, Staged, Hybrid). Proficiency in PowerShell scripting for automation and system management. Understanding of networking concepts (DNS, SMTP, HTTPS) as they relate to email systems. Familiarity with Microsoft Teams, SharePoint Online, and other O365 services is a plus. Strong problem-solving skills, attention to detail, and ability to work independently. Excellent communication and interpersonal skills. Preferred Certifications:
Microsoft 365 Certified: Messaging Administrator Associate Microsoft Certified: Azure Administrator Associate ITIL Foundation or similar framework understanding is a plus.