IT-Systemadministrator/in

Administered, monitored, controlled, and maintained the support process/system with an average uptime of 99.99%
Delivered comprehensive expert consulting support throughout the entire lifecycle of 7 project implementations
Conducted regular monitoring and testing of hosted environments resulting in zero unplanned outages
Performed SQL Server maintenance, backups, and restores resulting in zero data loss
Set up and managed 20 Windows Servers in the cloud environment
Spearheaded regular penetration testing and systems monitoring resulting in zero security breaches
Increased user satisfaction to 95% by effectively managing daily systems administration tasks for a user base of over 300
Controlled high-severity issues with a 97% success rate through prompt and effective escalation
Strengthened open communication with internal and external stakeholders leading to a 25% increase in customer satisfaction
Prepared and distributed quarterly, monthly, and weekly reports to customers with an accuracy rate of 90%
Exceeded service level agreement goals consistently with an average customer satisfaction rating of 90%
Provided internal support for 40 PCs, peripherals, MS Office 365, Azure Admin, and Support with an average response time of 2 hours
Diagnosed and resolved LAN & WAN connectivity problems for our Head Office with a resolution rate of 98%

Maintained a network of systems with an average of 98% uptime
Upgraded and managed over 25 server systems
Carried out maintenance and support for 300 computers and peripheral devices such as printers and mobile scanners
Trained and oriented over 100 staff on the use of computer hardware and software systems with a satisfaction rate of 95%
Provided remote support for over 70 retail stores across Africa with a response time of 2 hours
Deployed and supported the precise Point of Sale (POS) software for 70 stores with an error rate of less than 5%
Configured and supported hardware and software for 200 users with a success rate of 98%
Offered general technical support to 200 users with an average resolution time of 1 hour
Ensured the smooth operation of 2 domain controllers with an impressive 99.5% uptime
Performed daily checks on over 25 servers resulting in a 95% reduction in downtime
Carried out IT assets auditing, resulting in an accurate inventory of over 300 assets
Diagnosed and resolved 95% of LAN & WAN connectivity problems within 2 hours
Implemented an antivirus and security solution that resulted in an 80% reduction in cyber attacks

Anderes Zertifikat