Senior Active Directory and Exchange Administrator

• Responsible for day-to-day administration duties including Windows Active Directory object maintenance.
• Conducts complex troubleshooting and resolving issues on Active Directory, Exchange infrastructure, DIGICERT & Microsoft PKI, Federation services.
• Expert in Azure administration, ability to configure and manage the cloud resources and hybrid environments
• Administration and maintenance of Windows Server 2008-2019, Domain Controllers, user authentication and other operational systems as needed
• Monitoring, backup, and restoration procedures for Active Directory
• Document new system components, or modifications to existing components
• Ensure the security and integrity of system and product solutions
• Active Directory Federation Services (ADFS) infrastructure management
• In depth knowledge of Windows Domain Infrastructure including Active Directory, DNS, ADFS, DHCP
• Configuration experience and manage Public Key Infrastructure, Microsoft CA and DIGICERT
• Ability to manage, troubleshoot Exchange database(s), antivirus applications, messaging filtering, and error log tracking
• Experience troubleshooting complex enterprise level issues and outage
• Migrate environments to the latest generation of Windows Server (2016/2019) and Exchange 2016/latest products
• knowledge in Advanced Administration of Exchange Server 2016 with good understanding of Mail-flow/SMTP, Monitoring, Reporting, Integration with different technologies and Exchange Server Migration activities
• Experience in both PowerShell and GUI Exchange Toolset
• Evaluate Exchange design and ensure all functionality and processes adhere to industry and Microsoft best practices
• Managing, maintenance and troubleshooting of Microsoft Exchange Server 2016 and Microsoft 365
• Day-to-day operation of Exchange environments which includes change, release, performance and availability management
• Maintenance of Windows / Exchange server software / security updates
• Solid understanding of Windows servers, maintenance and troubleshooting.
• Understand various access methods including POP, IMAP, OWA, MAPI, Outlook Anywhere
• Experience with mobile devices and their respective administrative tools such as Active Sync
• Manage file sharing permissions to monitor mailbox quotas/space and also to check where the email has stuck and made sure that the email reaches its destination.
• Making sure that the incidents get resolved with the SLAs and ensure that the system goes through a scheduled patching process
• Knowledge & Experience:

Requirements

• Bachelor’s degree in Computer Science, Information Technology or related field
• 10+ Years of experience in Microsoft Active Directory and Administration
• 5+ Worked in large environment
• Expertise with Microsoft products and security controls
• Expertise in API Integrations
• Expertise in DNS, Windows Server 2012,R2, 2016 and 2019 and Azure
• Expertise in PKI administration DIGICERT and Microsoft CA
• Good understanding of IIS
• Good understanding of Internet technologies and concepts such as TCP/UDP, HTTP, SMTP et FTP
• Basic knowledge of SQL Server