Senior System Administrator is responsible for the technical design, planning, implementation, and the highest level of performance tuning and recovery procedures for mission-critical enterprise systems. S/he will serve as a technical expert in the area of system administration for complex operating systems. S/he recommends the redesign and configuration of operating systems and system applications.

  ESSENTIAL DUTIES:

• Maintain and support the administration of corporate email and Exchange application's environment, which comprises Exchange on-prem and O365 services.

• Create and maintain daily/weekly/monthly operational checklists and operational reports.

• Manage virtual and physical servers with Windows Servers ranging from 2008 – 2016 and RHEL operating systems.

• Ensure the security of the server infrastructure by implementing industry best-practices regarding privacy, security and others & manage server and workstation patching with SCCM.

• Design and implement Microsoft Active Directory Domain Services utilizing Microsoft Best Practices.

• Windows Server Administration in an Active Directory environment using Windows Server 2008 through 2019; including IIS, Terminal Services/Remote Desktop Services, and Certificate Services

• Management of O365 identities and license assignments

• Maintain and manage the health of office 365 tenant and manage the license and subscription in the tenant.

• Administration, support, and configuration of the Exchange Online/Outlook platform for staff

• Administration, configuration, and maintenance of Office 365 security tools, such as email spam security, data loss prevention, and information protection.

• Ensuring the operational health of Office 365 apps Online environments including security, availability, performance, interoperability, and reliability.

• Maintenance of Groups and access control to SharePoint sites and subsites, lists, libraries, and content.

• Governance and administration of SharePoint sites, Groups, Security Groups, and Distribution Lists.

• Troubleshooting various Office 365 related issues, including features, connectivity, and mobility.

• Administration, support, and configuration of Office 365 integrations, certificate authentication, mobile device management, and Active Directory.

• Training and educating users on O365 capabilities and collaboration tools (including OneDrive, Microsoft Teams, OneNote, Outlook, etc.)

• Developing automations and flows among Office 365 and external cloud applications

• Creating and maintaining documentation on processes, procedures, configurations, and user guides

• Supporting Domain networking services such as DNS, DDNS, DHCP, WINS, and WPA2.

• Supporting Internet and Intranet services including Internet Access, OWA, SharePoint Services, External Web Servers, and Intranet.

• Perform enterprise Backup and Disaster Recovery practices for all systems and applications and test routine system backups and restores.

• Anticipate, mitigate, identify, troubleshoot, and correct hardware and software issues on servers, and workstations. Escalate incidents as necessary.

• Practice server asset management, Provisioning and Maintaining hyper converged Equipment, including maintenance of server component inventory and related documentation and technical specifications information.

• Recommend, schedule, and perform software and hardware upgrades, patches and reconfigurations.

• Support Hyper-V environment

• Supporting a VMWare ESX Clustered Environment

• Support enterprise antivirus software.

• Proactive systems monitoring and maintenance with native and 3rd party applications (SNMP, Solar Winds, AD Manage, WSUS etc.)

• Developing scripting tools as necessary to automate or expedite administration tasks.

• Others as requested by the supervisor. 

Job Requirements

• BSc or MSc degree in Computer Science, Computer engineering or related field.

• Minimum of 8 years for BSc or 6 years for MSc direct and related experience supplemented with relevant industry standard certifications.

• Microsoft Certified Solutions Associate and above: Office 365 is preferred.

• At least 5 years enterprise level experience on Office 365 E3, Cloud and Digitalization apps & services is must

• Five (5) plus years of advanced Windows system administration.

• Four (4) plus years’ experience in medium (500+ users) Enterprise environment Active Directory, Office 365 and Cloud Services management and administration.

• Four (4) plus years managing corporate E-mail systems.

• Experience with internal IT SLA.

• Experience working in a virtualized environment.

How to Apply

Register using the following LINK

Note: It is mandatory to mention the position title under the subject line of your cover/application letter. Women are highly encouraged to apply.