Hire the Best VMware vSphere Freelancers
in Ukraine

- Knowledge of principles of construction and operation of computer networks, application protocols. - Professional knowledge of operating systems Linux, FreeBSD, Windows, customization of servers for various tasks. - Knowledge and understanding of virtualization environments. - Perfectly mastered technologies of remote configuration and administration of objects, networks, servers, workstations, combining geographically dispersed objects in local networks. - Knowledge of computer and telecommunication equipment.

🔹 About Me Hello! My name is Andrii Pavlikovskyi, and I am a systems administrator and IT infrastructure specialist with 10+ years of experience. I help businesses build reliable, secure, and high-performance IT solutions by leveraging my expertise in networking, virtualization, cloud computing, and automation. I specialize in: ✅ Networking & Security: Advanced routing, VPNs, firewalls, Mikrotik (MTCNA, MTCWE, MTCEWE, MTCIPv6E, MTCRE), pfSense, Ubiquiti. ✅ Servers & OS: Windows Server (AD, DNS, DHCP, File Servers), Linux (Debian, CentOS, Ubuntu). ✅ Virtualization & Cloud: Proxmox VE, VMware ESXi, Hetzner, TrueNAS, Synology. ✅ Backup & Disaster Recovery: Veeam, automated backup strategies. ✅ Web & Hosting: Nginx, Apache, IIS, DirectAdmin, ISP Manager, WordPress, Bitrix. ✅ Monitoring & Automation: PRTG, scripting (Bash, PHP essentials). ✅ VoIP & Remote Work Solutions: Asterisk (basic), 3CX, VMware Horizon. 🔹 What I Offer: 📌 Building and managing secure IT infrastructures – for SMB. 📌 Optimizing cloud and on-premises environments – ensuring stability, security, and scalability. 📌 Virtualization & High-Availability setups – including Proxmox HA clusters with Ceph storage. 📌 Disaster recovery planning – reliable backup strategies with Veeam/Proxmox Backup Server and cloud replication. 📌 Advanced networking solutions – including VPNs, firewalls, and complex routing setups. 🔹 Why Work With Me? ✔️ 10+ years of hands-on experience in IT infrastructure. ✔️ Certified networking expert. ✔️ Fast response & result-driven approach. ✔️ Proven experience with real projects in production environments. Let’s discuss how I can help with your IT needs. Message me to get started!

⭐ Job Success | 👍 Satisfaction | 🛡️Rated | 🛡️Available | 🛡️Behavior 🔶Experienced IT Specialist with 8+ years of experience in IT field as senior IT Specialist and System administrator. I'm currently working as Infrastructure Engineer.🔶 Technical Skills: ✔Cloud: - Azure - AWS - Google Workspace ✔Azure: - Active Directory - Multi-Factor Auth (Including a passwordless entry) - Intune (Include Hybrid with on-prem, Complience Policy, Application, MacOS MDM and Windows enrollment) - Defender for Endpoint - Azure Virtual Desktop - Conditional Access - Aplication Firewall - SSO - Azure VPN (S2S and S2P) - RBAC ✔Microsoft: - Server: Windows Server 2008 / 2008 R2, Windows Server 2012 / 2012 R2 / 2016 / 2019 / 2022 - Client: 7 / 8 / 8.1 / 10 / 11 - Office: 2003 /2007/ 2010/ 2013/ 2016 / 2019 / 365 - Microsoft Exchange: 2003 / 2007 / 2010 / 2013 / 2016 / Office 365 - Windows Server Services: Active Directory, Group Policy, Remote Desktop Services (include RD Gateway), RRAS, DNS, DHCP, Failover Clustering, WDS, File Services, WSUS, Radius, IIS ✔Linux: - Ubuntu, CentOS, Debian and other - Nginx, Apache (Sites, proxys, redirects) - Bash, Shell, Python scripts - UFW, IPtables - MySQL, MariaDB, Postgresql - Install sites (WordPress, File Exchange, Zabbix, etc.) ✔GSuite: - Email & Data migration from or to G suite - Setting up, configuration and administrating G suite ✔Domain/DNS: - Expertise in migrating Domain and DNS from various registrars - Managing DNS/Domains with proper records. ✔Virtualization: - Hyper-V (2008, 2008 R2, 2012, 2012 R2, 2016) - VMware ESX/ESXi (4.x, 5.x,6.x) - Oracle Virtualbox - Proxmox ✔Network: - Fortinet FortiGate v5.x-v7.x (FortiOS, 60E, 100D, 110C) - Aruba Controller, Aruba API, Aruba Mobility Master - HP ProCurve switches - Cisco Routers&Switches, Wi-Fi routers, AP - Mikrotik Routers&Switches - pfSense ❖Other: - Backup Services: Veeam, Acronis, Microsoft DPM - Surveillance systems(Have experience working with NVR & DVR, grandstream, hikvision, etc. cameras) IVMS, CMS, Partizzan. - VPC hostings (DigitalOcean, Vultr etc.) ❖Languages: - English – High Level - Read and Write, Low level - Speak. - Ukraine - Native I’m a fast learner and a hard-worker with a high level of motivation. I'm very organized, responsible and service oriented. Currently, looking for challenging projects to get use of my experience properly and sharpen my skills even more.

With over a decade of experience in System Engineering and Architecture, I have honed my skills in various facets of IT infrastructure management and optimization. Throughout my career, I have played a pivotal role in numerous migration projects, which encompass designing from the ground up, enhancing existing systems, and providing support for diverse infrastructures. My expertise spans across the following domains: • Management, development, and implementation of on-premises Microsoft products and services, including Windows Server, DNS, DHCP, Active Directory, Group Policy, Remote Desktop Services, System Center, Hyper-V, SQL Server, and Clustering, among others. • Administration of Open-Source products and services such as Ubuntu, CentOS, MySQL, Nginx, Apache, WordPress, Let's Encrypt, PHP, Docker, pfSense, and more. • Comprehensive knowledge of Azure/Office 365 IaaS, SaaS, and PaaS offerings, including Site Recovery, Azure Migrate, Active Directory, Multi-Factor Authentication, Azure Information Protection, Intune, Enterprise Mobility + Security, Virtual Machines, Databases, etc. • Proficiency in Amazon Web Services IaaS, SaaS, and PaaS solutions, including S3, EC2, CloudFormation, RDS, CloudWatch, Migration Service, and VPC, among others. • Experience with Dell, HP, Supermicro, Cisco, and Lenovo servers and storage systems. • Network management for Dell, HP, Cisco, Mikrotik, Ubiquiti, D-Link, and TP-Link devices. • Implementation and support of Microsoft, VMware, Nutanix, and Starwind hyper-converged infrastructures. • Expertise in Exchange, Kerio Connect, and Zimbra mail systems. As a seasoned professional, I am committed to delivering top-notch services in a diverse range of projects and ensuring optimal performance of IT infrastructures.

I am a System Administrator with strong experience in Windows/Linux environments, user management, IT infrastructure support, email systems, and cloud services. Skilled in troubleshooting, network configuration, Active Directory, Office 365, Google Workspace, and system monitoring. I can help you with: Email migration (Outlook → Gmail, Gmail → O365, IMAP/POP, PST imports) Windows Server administration (ADDS, GPO, DNS, DHCP) Linux server setup & maintenance (Ubuntu, Debian, CentOS) Security hardening and backup configuration User onboarding/offboarding Desktop support and issue resolution Network configuration (routers, VPN, firewalls) Why clients choose me: ✔ Fast communication ✔ Reliable and detail-oriented ✔ Clear documentation for every task ✔ 5+ years of IT experience ✔ Focus on safe, secure, and efficient solutions I'm ready to help with one-time tasks, ongoing support, or long-term cooperation.

Hello! My name is Vadim. I am a system administrator with 10 years of experience, mainly administrating servers on Windows Server, Windows XP-11 operating systems, I have experience in network administration under the control of a domain controller in an organization with 200 end nodes and peer-to-peer networks. I am also experienced in setting up basic configuration of Cisco switches and routers, dlink, network segmentation and routing.