Aleksandras Popenko Email & Phone Number

As an IT specialist with more than 20 years of experience, I always seek to optimize workflows, reduce or cut unnecessary costs, and follow best practices. I'm passionate about cyber security and social engineering, which helps me to increase the overall security level by finding weak spots in the company's infrastructure and training employees on how to react to modern threats like phishing, social engineering attacks, and viruses.In my everyday tasks, I deal with Microsoft 365, Azure Cloud Services, Sophos Security products, and other cloud and on-premise solutions. I like to try out new hardware/software and test its performance with capabilities. Learning is fun :)Professional cases:- Migration projects to Microsoft365, 10-1400 users. Introducing them to Exchange Online services and other modern solutions Microsoft365 provides (Sharepoint, OneDrive, Teams, PowerBI);- Migration of production servers (IIS and SQL) from Rackspace USA datacenter to Velia.net datacenter in the USA, without the downtime of all websites and services. Configuration of Microsoft Azure environment and Veeam for backing them up. This migration helped to reduce operational costs by 40%.- Fixed DMARC, SPF, and DKIM for different companies, to improve email deliverability. At one specific company that had problems with their emails delivered to SPAM folders, such a fix increased sales by 34%;- Used Sophos security appliances and software to increase the company's security level. Enabled remote work via secure and easy-to-use VPN through Sophos firewalls. Implemented DLP (Data Loss Protection) and Web Filtering solutions;- Helped Dubai FinTech company to reduce operational costs by optimizing their licenses for Microsoft365 and CRM products. Deleting unused and excess licenses saved the company about 45% of monthly expenses on subscriptions;- Design and implementation of backup solutions to fight ransomware;- Inventory and management of IT assets. Control of purchase orders of computers/servers/hardware/software/licenses.

Listed skills include It Management, System Administration, It Service Management, Servers, and 23 others.