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Network & IT Infrastructure Expert | Mikrotik | VPN | Linux | Cloud With 25 years of experience in IT infrastructure and network engineering, I specialize in designing, securing, and optimizing network systems for businesses of all sizes. Whether you need a reliable VPN solution, a secure network setup, or an optimized server infrastructure, I can help you achieve your goals efficiently. What I Offer: Mikrotik & Network Configuration – Routing, Firewall, VLANs, QoS, Wireless VPN & Secure Networking – WireGuard, OpenVPN, IPsec, GRE tunnels Linux System Administration – Ubuntu, CentOS, Debian, server automation Cloud & Backup Solutions – Veeam, Rsync, ZFS, Proxmox, Disaster Recovery Server & API Hosting – OpenStreetMap servers, self-hosted solutions Troubleshooting & Performance Optimization – Network monitoring, security hardening Web Development – Next.js websites, WordPress to Next.js migrations I have worked with businesses, startups, and enterprise clients to ensure their IT infrastructure is secure, scalable, and high-performing. My approach is straightforward – I analyze, optimize, and deliver solutions that just work. Let’s connect and discuss how I can help with your project!

Linux user since 2001, working System Admin experience since 2008. DevOps Engineering since 2014, but used DevOps and SRE practices before I knew the words DevOps and SRE. Used Software Engineering skills in Linux administration (writing repeatable scripts ) since I started using Linux. Some of my skills and tech I have long experience with: - Linux , CentOS and RHEL, Debian, Ubuntu. Fedora. FreeBSD, Solaris, CoreOS, OpenWRT, IBM AIX, Oracle Solaris, Mikrotik, Terraform, Ansible, GitLab, git, Github, Jenkins, Vagrant, Packer, LXC, LXD, CRI-O, Podman. Docker Swarm Docker Compose, Kubernetes kubespray, kops, kubeadm kubeinit, OpenShift, Knative, Nomad, KubeVirt, AWS, Google Cloud Platform, DigitalOcean, Rackspace, IBM Cloud, Linode, ManageIQ (CloudForms), KVM, Xen, VirtualBox, VMware, oVirt, libvirt, bhyve, Proxmox, Solaris Zones, RH Satellite (Foreman + Katello), MaaS, Juju, Kickstart, Ceph, Gluster. Stratis. OwnCloud. Bash, Python, Ruby, Java, C, Go, Rust, Groovy, Graylog, Prometheus, Nagios, Graphite, Kibana, Fluentd, fluentbit, Icinga, Zabbix, Elasticsearch, Logstash, MySQL, PostgreSQL, MariaDB, Cassandra, CouchDB, Etcd, OpenVPN, pptpd, WireGuard, Istio, nginx, apache gttpd, Tomcat, Jboss, Asterisk, WebRTC Worked with AI companies many years.

• Expert linux server administrator and DevOps • Apache2 webserver configuration (vhosts, proxy,load balancing) • NGINX webserver configuration from scratch (load balancer, proxy) • Docker containers, debugging, configuring compose files, docker swarm. • Qemu-KVM, Proxmox virtualization, LXC containers. • SFTP configuration for FTP access. • IPtables for blocking traffic in or out. • Issuing and implementation of SSL certificates in Nginx/Apache2. • HTTPS implementation, redirection from Non-SSL to SSL. • Expert skills in configuring/installing Zabbix monitoring. • Installing Zabbix agents, alerting, triggers, log monitoring, graphs. • Implementation of Maxmind GeoIP2 modules Apache/NGINX. • Configuring GeoIP based country blocks, redirections based of client IP's. • Ansible server orchestration. Configuring playbooks. • AWS, Digitalocean, Linode, Azure. • VPN implementation(OpenVPN,wireguard) • Proxy installation/setup • Cloudflare CDN implementation • MySQL, Redis, MongoDB installation/configuration. • Linux server file backups, mysql backups. • Linux shell scripting

Linux System Administrator and DevOps Engineer with hands-on experience supporting production environments, deployment automation, CI/CD pipelines, and enterprise infrastructure. Experienced with Linux server administration, Jenkins automation, Oracle-based environments, middleware support, and infrastructure troubleshooting in production systems. What I can help you with: Linux server administration (Oracle Linux, Ubuntu) CI/CD pipeline setup and maintenance Jenkins automation and deployment workflows Docker deployments Oracle & PostgreSQL administration WebLogic / GlassFish middleware support Infrastructure automation with Bash and Ansible Production troubleshooting and performance analysis Git / SVN administration and deployment workflows Nginx / Apache configuration Technologies: Linux, Oracle Linux, Ubuntu, Jenkins, Docker, GitLab CI/CD, Oracle Database, PostgreSQL, Bash, Ansible, Nginx, Apache, SVN, Git, WebLogic, GlassFish I focus on reliable infrastructure, stable deployments, fast issue resolution, and clear communication.

Available IMMEDIATELY! I am an experienced administrator proficient in VMware, Zabbix, Windows Server, Linux and networking. With a strong background in managing virtual environments, centralizing monitoring systems, and Windows servers administration, I can efficiently handle your IT infrastructure needs. VMware administration: - consulting - installing VMware infrastructure - upgrade VMware infrastructure - deploay Windows VMs - deploay Linux VMs - installing vSphere hosts - installing vCenters - creating clusters, network settings, storage settings in vCenter - installing and implementing vSphere Replication - installing and implementing vSphere Data Protection & Recovery - server migration from Hyper-v, oVirt, P2V,... - other tasks in vmware Network administration: - consulting - create VLANs - create subnets - create access lists - routing - firewall settings - monitoring - beckup - detecting network problems Windwos server administration: AD, DNS, DHCP, GPO Linux administration: zabbix, postfix, apache, mysql, graylog,...

System Engineer/ Cisco engineer for 10 years now. Proxmox master proffieciency and deploying Ceph clusters Linux master usage- Ubuntu,Centos,Gentoo Worked on administration of Windows machines from Xp to 10 now. NAS intermediate proficiency(QNAP expert, Synology and FreeNAS/Openmediavault intermediate) Cisco stenghts: Wireless(controller and access points), Voice(Callmanager,CallCenter, H.323 voice gateways), routing and switching(L3VPN,VLANs), security(ASA configuration)