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DevOps Engineer with more than 4 years of experience in the field. ☑ Providing high quality DevOps services and tech support. My skills include, but are not limited to following: ➨ Administration and optimization of OS’s: Debian, Ubuntu, CentOS (RedHat, CloudLinux); ➨ Web Servers: nginx, apache, lighttpd; ➨ Cloud Services: AWS, Microsoft Azure; ➨ Database Servers (including performance optimization): MySQL, MariaDB, Percona, PostgreSQL ; ➨ Mail servers : PowerMTA, Postfix, Sendmail,Dovecot ; ➨ Web Hosting Management (WHM) Panels: cPanel, DirectAdmin, VestaCP, Webmin/Usermin; ➨ Virtualization: Docker, OpenVZ, XEN, KVM, Oracle VirtualBox; ➨ Load balancing: HAproxy, Nginx; ➨ Backups and restore automation + services; ➨ Network services: DNS (bind, powerdns), VPN (openvpn), firewalls (iptables), file server (samba3/4), proxies (squid, nginx); ➨ Monitoring: Zabbix, Check_MK,Observium,Icinga, Nagios; ➨ FTP Servers: Proftpd, Pureftpd; ➨ Revision control systems: Git, SVN ; ➨ Scripting: Bash,Python, Golang, Make; ➨ Containers: Docker, Kubernetes, Marathon; ➨ CI and CD tools: Ansible,Puppet, Jenkins, Bamboo,GitLab, Azure DevOps; ➨ Containers: Docker, Kubernetes, Istio,Helm Charts

Implementing top notch solutions within software development, integration and deployment processes. Delivering idiomatic code and optimized integration solutions. The clients I work with use the latest technologies in their business solutions. I am a great fit If you think: ✔ "This system is crucial to the business operations and I need help ASAP" ✔ "I need somebody trustworthy to work on a sensitive task" ✔ "The existing system is very complicated and needs some tweaking" ✔ "We need somebody on our team that can collaborate efficiently with the existing staff" ✔ "I don't have the technical knowledge required and I need a user friendly solution" Working with me, you will ➼ Understand the roots of the technical issues you may be facing, as well as the solution ➼ Receive secure, cost-effective implementations ➼ Be able to use the latest technologies ➼ Get the job done as fast as possible, sometimes way ahead of the deadlines ➼ Excellent communication from my side My clients shared a LOT of feedback to me: ⮞ "Outstanding work! The setup is secure, and the documentation is clear and thorough." ⮞ "Communication was excellent throughout." ⮞ "Laurian's highly-skilled, professional, and fast." Not everybody is a good partner, though. Some signs we might not get along: ✘ The client is struggling to pay for my work or avoids it intentionally ✘ Respect is not a core value for the client Sound like a fit 👌? What's next: ☛ Press the '...' button then the ‘Send Message’ button in the top right-hand corner ☛ Write me a message with info about the job Areas of expertise: Programming languages: C++, Golang, Rust, Python, JavaScript/TypeScript, Bash, PHP Virtualization and containerization: Docker, Kubernetes Cloud Providers: AWS, GCP, Azure Databases: MySQL, Postgres, Redis, MongoDB Frameworks: Vuejs, Nextjs, Gin, Symfony Others: networking, git

Overview Seasoned Linux Systems Engineer with 20+ years of hands-on experience managing complex server environments, cloud infrastructures, and network systems. I specialize in building robust, scalable infrastructure solutions with a focus on performance optimization, security, and automation. Available for 24/7 operational support with proven expertise in incident management and SLA enforcement. What I Offer I deliver end-to-end Linux infrastructure solutions including: - High-Performance Web Hosting Infrastructure: Apache, Nginx, LiteSpeed with LS Cache optimization, WHM/cPanel management - Database Administration: MySQL, MariaDB, PostgreSQL with replication, clustering, and performance tuning - Virtualization & Cloud Architecture: Proxmox, Virtuozzo, XenServer, KVM, VM migration - Email Systems: Postfix, Exim, Qmail with security solutions (Spamassassin, ClamAV) and authentication (SPF, DKIM, DMARC) - Infrastructure as Code: Ansible, Salt, Git-based deployment pipelines - Comprehensive Monitoring: Prometheus, Grafana, Icinga, Check_mk, Nagios - Backup Solutions: Custom rsync/scp systems, R1Soft, JetBackup, S3 integration - Network Administration: BGP, OSPF routing, VLANs, QoS, VPNs, security policies - Automation & Scripting: Bash, Python, PHP for system automation and deployment tooling Recent Projects - Implemented comprehensive monitoring infrastructure using Prometheus, Grafana and Icinga for a managed VPS provider - Designed and executed a multi-location backup strategy incorporating AWS S3 storage, local backups, and automated verification - Led infrastructure migration following company acquisition, ensuring zero downtime during transition - Implemented configuration management using Salt and Ansible for a fleet of 500+ servers - Created custom monitoring and alerting solutions for specialized business requirements Work Approach I believe in proactive infrastructure management with a focus on: - Building systems that are reliable, secure, and scalable - Implementing automation to reduce human error and increase efficiency - Maintaining comprehensive documentation for all systems and procedures - Regular security audits and updates to minimize vulnerabilities - Clear communication and transparency throughout the project lifecycle With expertise across multiple Linux distributions (CentOS, Alma/Rocky, Ubuntu, CloudLinux, Debian, Slackware) and a proven track record of managing critical infrastructure, I can help your business implement robust, secure, and efficient systems that support your technology goals.

As a senior linux system administrator with over 15 years of experience, I possess a wealth of knowledge and expertise in all aspects of Linux server administration, configuration, and management. I have different certifications from Udemy, Cisco Networking Academy, AWS and cPanel. I have honed my skills over the years and I am well-versed in using various tools and technologies related to Linux, including Ansible, DigitalOcean, AWS, and cPanel. My extensive experience in Linux system administration has allowed me to develop an in-depth understanding of how Linux servers work and how to optimize their performance to meet business needs. I am proficient in installing, configuring, and managing various Linux distributions and have a solid understanding of networking, security, and server management concepts. In addition to my daily job as a Linux system administrator, I also take freelance projects in my free time. I'm always looking for new challenges and opportunities to expand my knowledge and skills, and I stay up-to-date with the latest developments in Linux and related technologies. Technologies I'm familiar with: CentOS, Redhat, Ubuntu, Debian, Postfix, MySQL, MariaDB, Apache, Nginx, Varnish, Haproxy, Iptables, Zabbix, Nagios, Cacti, Icinga2, Grafana, Elasticsearch, Kibana, Docker, Kubernetes, Odoo, CWP, VestaCP, Plesk, cPanel, Virtualmin, Proxmox, Opennebula. Overall, I am a highly skilled and experienced Linux system administrator who is committed to delivering top-quality services to clients and ensuring the smooth and efficient operation of Linux servers.