Hire the Best AIX Specialists
in Romania

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.

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

11 years Linux expertise, passionate about all IT areas and projects. Software, Networking and Hardware skilled.

System administrator for various Linux distributions, database and network administrator. Managing complex deployments for python, php, java and nodejs. Security technology specialist with over 15 years of experience in wide areas of network engineering and management, cyber and systems security, software and web development, cloud computing. Dedicated to improving critical thinking and providing best solutions and results. Able to adapt to changing priorities and maintain a positive attitude and strong work ethics. * Worked on various vpn implementation project for financing and banking industry (payment gateways, SIP implementation, etc.), gateway and remote access for both Unix and Windows servers * Experience with various vpn platforms (pfsense/opnsense, vyatta, vyos, openvpn, wireguard, shadowsocks, Unix based vpn, etc.) * PCI compliance specialist, able to deliver quality in short time * Strong troubleshooting network and routing problems skill * ElasticSearch cluster and replication, logstash, kibana and indexing strategies specialist

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.