Hire the Best System Administrators
in Kazakhstan

Over 20 years of experience in system administration and software development. I created several Mediawiki extensions, one of them is used on the Wikipedia site. My skills are Linux + PHP + Javascript + CSS + MySQL + Nginx + Apache and etc... I'm interested in work related to MediaWiki software (such as an extension development, installation and bug fixing and any problem resolving) I'm NOT a content writer!

If you’re looking for a senior web engineer or system architect who can deliver reliable, scalable solutions — you’re in the right place. With 20+ years of hands-on experience in web development, backend architecture, and infrastructure, I help businesses build, optimize, and scale their digital products. I’m available for both long-term collaborations and short-term contracts. ⸻ What I Bring to Your Project Backend & Application Development • PHP 7/8 (Laravel, Symfony, Zend, Slim, Yii, CodeIgniter) • Node.js (Express.js, Nest.js, Meteor.js) • REST / SOAP / RPC API development • Mobile app backend architecture • Fintech and payment solutions Cloud & Infrastructure • AWS, Google Cloud, Azure, DigitalOcean, Yandex Cloud • IaaS / PaaS / SaaS architecture • Kubernetes, Docker • CI/CD pipelines, DevOps automation • Linux server administration & monitoring • LAMP / LEMP / MERN / MEAN stacks Integrations & Specialized Solutions • Payment / Email / SMS / Voice gateway integrations • Marketing & transactional mailing systems • GPS tracking & navigation software • OpenStreetMap / OSRM integrations • Video streaming (Flussonic, Wowza, OvenMediaEngine) • Server-side video processing (FFMPEG) • E-commerce (Shopify, Magento, WooCommerce, OpenCart, BigCommerce) • WordPress (themes & plugins) • Sales funnels & custom business logic Frontend • HTML, CSS • React, Vue, Angular Databases • SQL / NoSQL systems Other • Reverse engineering • Performance optimization • Bug fixing & legacy system stabilization • Minor experience in Ballerina / Choreo ⸻ AI-Enhanced Development Workflow I actively use modern AI-powered development tools to increase productivity, accelerate debugging, improve code quality, and speed up delivery — without compromising architecture or long-term maintainability. Within the scope of my technical expertise, AI allows me to: • Prototype faster • Refactor and optimize more efficiently • Detect edge cases earlier • Improve documentation and testing coverage This means faster turnaround times and better results for your project. ⸻ I believe in balancing development speed with long-term product quality. Moving too fast creates technical debt; moving too slow kills momentum. My goal is to deliver clean, scalable solutions — efficiently and responsibly. If this sounds like what you’re looking for, feel free to reach out. Let’s build something solid. Thank you for your time.

I’m a System Administrator with over 10 years of experience managing IT infrastructure for small and medium-sized businesses. My background covers both Windows and Linux environments, with a strong focus on stability, security, and automation. What I do best: Administration of Windows Server, Exchange, Active Directory, DNS, DHCP Managing virtualization platforms (VMware, Hyper-V, Proxmox) Configuring and supporting Linux servers (Ubuntu, CentOS, Debian) Network management (Cisco, Juniper, Aruba, MikroTik) and VPN setup Automation and scripting with PowerShell, Bash, and Python Backup and monitoring systems (Veeam, Zabbix, Grafana) Hybrid and cloud solutions: Microsoft 365, Azure, Exchange Online Why work with me? I understand how important uptime and security are for businesses I approach every task with reliability and precision I provide clear communication and regular updates If you’re looking for a reliable sysadmin to manage, troubleshoot, or optimize your infrastructure - I’m ready to help.

Platform & DevOps Architect | Kubernetes, GitOps, HA Databases, Cloud I help companies build reliable production infrastructure and solve critical incidents. My specialties include: * Kubernetes and GitOps platforms * Cloud solutions (AWS/Azure/GCP) * PostgreSQL Patroni and database HA * Active Directory and Windows infrastructure * Disaster Recovery and High Availability * Production troubleshooting and performance optimization With 20+ years of infrastructure experience, I work with startups and enterprises to design, automate and operate business-critical systems. Linux / Platform Engineering: • Production Kubernetes platforms using GitOps (FluxCD, ArgoCD), Helm, and Docker • Web and application stacks: nginx, Apache, PHP, MySQL/MariaDB * DBA: Postresql Patroni, MySQL InnoDB Cluster, Galera Cluster • CI/CD pipelines with GitHub Actions, GitLab CI, Bitbucket Pipelines, and Azure DevOps • Monitoring and observability using Grafana + Prometheus, Zabbix, ELK (+ APM) • Automation and scripting with Bash and Python • Virtualization platforms: VMware, Hyper-V, Xen AWS, GCP, Azure - 10+ years of experience with clouds • Perfect knowledge of SaaS services: EC2, ECR/ECS, VPC, Lambda etc. • Strong architect skills. • aws-cli, cloud, az skills. Windows Infrastructure (20+ years): • Expert in Windows Server 2003–2022, Active Directory, Group Policy, Exchange 2013–2019, and Exchange Online. • Failover Clustering, Network Load Balancing (NLB), MS SQL Server Clusters and AGs. Typical projects: • PostgreSQL Patroni HA clusters • Kubernetes production troubleshooting • ClickHouse migrations and optimization • Active Directory security audits • Hyper-V and VMware infrastructure • Disaster Recovery design and implementation • Performance optimization and incident response

An attentive professional with a demonstrated history of transforming ideas into physical products. My job is much broader than creating a beautiful 3D model. With my help, clients develop a technological product that meets their specific goals. Depending on your needs, you can choose any of the following services: - Concept Development - 3D Modeling & Rendering - Drawings & Documentation

🥇 𝗧𝗼𝗽 𝟭% 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 | 💰 𝗖𝘂𝘁 𝗖𝗹𝗼𝘂𝗱 𝗖𝗼𝘀𝘁𝘀 𝟮𝘅–𝟱𝘅 | 📈 𝟮𝟮𝟬+ 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 | ⚡ 𝟵𝟵.𝟵𝟵% 𝗨𝗽𝘁𝗶𝗺𝗲 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲𝘀 | 🚀 𝟭𝟬𝟬𝟬+ 𝗩𝗠𝘀 | 𝗣𝗕-𝘀𝗰𝗮𝗹𝗲 𝗰𝗹𝘂𝘀𝘁𝗲𝗿𝘀 | 🧠 𝟮𝟬+ 𝗬𝗲𝗮𝗿𝘀 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 | 🎯 𝟲𝗸+ 𝗨𝗽𝘄𝗼𝗿𝗸 𝗛𝗼𝘂𝗿𝘀 | ❌ 𝗡𝗲𝘃𝗲𝗿 𝗢𝘂𝘁𝘀𝗼𝘂𝗿𝗰𝗲𝗱 | 📩 𝗙𝗮𝘀𝘁 𝗮𝘂𝗱𝗶𝘁 𝗶𝗻 𝟮𝟰𝗵 I help companies cut infrastructure costs 2x by migrating from expensive cloud and SaaS solutions to efficient private cloud environments built on Proxmox and Ceph. Whether you're paying too much for cloud, struggling with scaling, or dealing with unstable infrastructure - I design and implement systems that are faster, cheaper, and easier to manage. I work with high-load production environments: clusters with 1000+ VMs, petabyte-scale storage, and fully automated infrastructure. What I can help you with: • Reduce cloud and infrastructure costs by 50–80% using Proxmox-based private cloud • Migrate from VMware, AWS, or other platforms to cost-efficient infrastructure • Build and optimize Ceph storage (RBD, CephFS, S3) for performance and reliability • Fix performance issues, instability, or scaling problems in existing clusters • Design HA architecture with backup and disaster recovery • Automate infrastructure using Puppet and provisioning pipelines Typical problems I solve: • Infrastructure costs are too high and keep growing • Cloud bills are unpredictable • Ceph clusters are slow, unstable, or constantly rebalancing • Proxmox clusters break, failover doesn’t work, or nodes drop • Backup systems are unreliable or too slow • Monitoring systems (Zabbix) overloaded and ineffective Why clients work with me: • 20+ years in enterprise infrastructure • 200+ real-world projects (not lab setups) • Experience with large-scale production systems • Focus on measurable results: cost reduction, stability, scalability Technologies I use: Proxmox VE, Ceph, Zabbix, Puppet, BGP, VPN, HA clusters, Backup & DR systems If your infrastructure is getting expensive, slow, or hard to manage — I can fix it or rebuild it properly.