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I help teams build secure, scalable, and automated cloud infrastructure on AWS by combining strong DevOps engineering with production-ready architecture. If you're struggling with slow deployments, unstable systems, or inconsistent environments — I can fix that. My focus is always on reducing downtime, speeding up delivery, and automating everything that can be automated. What I Can Do for You ------------------------------ ✔ Build and manage cloud infrastructure on AWS ✔ Design and deploy Kubernetes (EKS) clusters ✔ Develop end-to-end CI/CD pipelines (GitLab, GitHub Actions, Jenkins) ✔ Write clean, reusable Terraform IaC modules ✔ Implement monitoring & alerting (Prometheus, Grafana, CloudWatch) ✔ Optimize performance, reliability, and security ✔ Containerize applications using Docker ✔ Automate deployments and workflows Why Clients Work With Me ------------------------------------- ⭐ Strong practical experience with real production environments ⭐ Reliability — consistent communication and on-time delivery ⭐ Well-structured, documented, and maintainable code ⭐ I focus on real results, not just “finishing tasks” ⭐ I help teams avoid common DevOps mistakes that cost time and money 🎓 Certifications: ✅ RedHat Certified system administartor ✅ HashiCorp certified Terraform associate ✅ Certified kubernetes Administrator (CKA) ✅ AWS certified cloud practitioner ✅ Certified kubernetes Security Specialist (CKS) ✅ Certified Kuberenetes Application Developer (CKAD) ✅ Kubernetes Certified Security Associate ( KCSA) ✅ Kubernetes and Cloud Native Associate (KCNA) Your Next Step Send me a message with your current challenge — even if it's just an idea — and I’ll help you shape it into a clear, successful technical solution. Let’s build something stable and scalable.

## Professional Experience ### DevOps / Infrastructure Engineer Yeesshh 2018 – Present Sole DevOps/SRE responsible for full production infrastructure of ~50 web services and internal systems in digital advertising environment. **Infrastructure:** * 6 dedicated bare-metal servers hosted in OVHcloud * Proxmox single nodes and Proxmox cluster, altogether with ~30 virtual machines * Proxmox Backup Server, Custom NFS-based backup storage * Multi-region deployment (EU + Canada) * Internal VPN via Pritunl * Docker-based service deployments **Reliability & Operations:** * 24/7 on-call (30-minute critical SLA response) * ~99%+ uptime across production systems * Full Proxmox node disaster recovery (including restoration from backups) * Centralized monitoring via Zabbix * Centralized logging via Graylog * Security monitoring via Wazuh * Incident management via PagerDuty * Post-incident reporting and preventive improvements **Security & Compliance:** * DNS management (SPF, DKIM, DMARC) * DDoS mitigation using CSF/LFD, ModSecurity, mod_evasive * PCI compliance validation via Qualys (minimal adjustments required) * Regular patching & monthly backup validation **CI/CD & Automation:** * GitHub repositories * Jenkins pipelines for controlled deployments * Staging → testing → manual production release workflow * Limited Ansible automation (update & small maintenance scripts) **Modernization:** * Legacy OS upgrades * Partial containerization of services * Kubernetes - self-hosted proof-of-concept deployment (non-production) --- ### CloudOps / SysOps Engineer LCloud 2021 – 2023 Worked in AWS Partner environment supporting global enterprise and mid-size clients as L1 support. Environment: Amazon Web Services Responsibilities: * 24/7 production support (L1) * EC2, RDS, S3, IAM troubleshooting * Backup & restore procedures * Log analysis & incident escalation * Execution of infrastructure changes according to documentation * Exposure to IaC-managed environments --- ### Independent Linux Infrastructure Consultant 2012 – 2021 Provided infrastructure and system administration services for up to 100 international clients including web hosting providers. Experience includes: * Web hosting environments (Canada & Italy) * Email servers (Postfix/Exim) * DNS management * CMS deployments (WordPress, Drupal, Joomla) * Monitoring (Nagios, Zabbix) * Virtualization (Proxmox) * Security cleanup & WordPress malware removal * Redmine & GitLab environments --- ### Early Career (Condensed) Senior Linux Administrator – Retail network (250 employees) Network design, Linux desktop environment (60+ machines), POS equipment support, server infrastructure management. Additional system & network administration roles (2007–2012). --- ## Personal Technical Projects * Self-hosted AI workflow automation using n8n * Local LLM experimentation (LLaMA-based models compiled via llama.cpp) * Raspberry Pi lab (media server, backup storage, surveillance systems) * Mobile app development(dart) and backend infrastructure (Dockerized Node.js backend) --- ## Languages Ukrainian – Native Russian – Native English – Professional working Polish – Limited working Spanish - Learning

📌 About Us Led by a DevOps and SRE veteran with 20+ years of industry experience, we are a powerhouse team of 100+ top-tier DevOps, SecOps, Cloud, and Site Reliability Engineers. We specialize in designing, building, and managing infrastructures that empower innovation while guaranteeing stability, security, and cost-efficiency. With over 1,000 successful projects delivered for startups, enterprises, and global brands across fintech, e-commerce, health tech, media, and AI/ML, we take end-to-end ownership—from initial architecture design to 24x7x365 L1/L2/L3 support. Core Capabilities & Business Impact 1. Platform Engineering, DevOps & CloudOps We build multicloud architectures and scalable systems that enable daily releases through automated "golden paths" and predictable environments. Infrastructure as Code (IaC) & Automation: Terraform, Pulumi, CloudFormation, Ansible, Chef, Puppet. Containerization & Orchestration: Kubernetes, Docker, EKS, Rancher. CI/CD & GitOps: GitHub Actions, GitLab CI, Jenkins, CircleCI, Argo CD, Flux. Web & Database Tuning: LAMP and LEMP stacks setup, database tuning, and high-availability website speed optimization. 2. 24/7 Site Reliability Engineering (SRE) & IT Support We provide true 24x7x365 L1, L2, and L3 support for applications, servers, and end-users, ensuring SLA/SLO-driven operations. Reliability & Incident Management: On-call rotations, escalation trees, postmortems, root cause analysis, and error budgets. Observability: Transparent SLI/SLO dashboards using Prometheus, Grafana, OpenTelemetry, ELK, Datadog, and New Relic. IT Consultancy & Workstation Support: End-user maintenance (B2B/B2C), patching, updates, backup management, and policy enforcement via NinjaOne. Email Deliverability: DNS, DKIM, SPF, DMARC, and MX configuration. 3. FinOps & Cloud Cost Optimization We turn infrastructure into a strategic advantage by reducing cloud costs by 20–60%. Cost Control: Budgeting, forecasting, rightsizing, cost governance, and waste reduction on AWS, Azure, and GCP. FinOps Tooling: CloudHealth, AWS Cost Explorer, GCP Billing. 4. Security, Networking & Compliance We ensure robust security postures and continuous compliance readiness. Security & Identity: Entra ID, HashiCorp Vault, SOPS, RBAC audits, WAF/Shield. Policy & Compliance: Policy-as-Code (OPA/Gatekeeper), CIS Benchmarks, SOC 2, and ISO 27001 readiness. Network Hardware & Integrations: CISCO remote networks, Mikrotik remote devices, FortiGate, and QNAP configuration. Server Hardening: Deep optimization and security hardening for Linux, UNIX, and Windows Server systems. 5. MLOps & AI Infrastructure We partner with ML engineers to build reliable, reproducible production workflows. ML Pipelines: MLflow, Kubeflow, SageMaker. Infrastructure: GPU-enabled infrastructure setups, data versioning, and model tracking. Comprehensive Technology Stack - Cloud Providers: AWS (Certified Partner), Microsoft Azure (Certified Partner), GCP, OCI. - Operating Systems: Linux (20+ years expertise), UNIX, Windows Server. - Containers & Orchestration: EKS, Kubernetes, Docker, Rancher. - IaC & Configuration: Terraform, Pulumi, CloudFormation, Ansible, Chef, Puppet. - CI/CD & GitOps: Argo CD, Flux, GitHub Actions, GitLab CI, Jenkins, CircleCI. - Observability & Monitoring: Prometheus, Grafana, OpenTelemetry, ELK Stack, Datadog, New Relic. - Security & Policy: OPA, Gatekeeper, Vault, SOPS, Entra ID, WAF/Shield. - FinOps & MLOps: CloudHealth, AWS Cost Explorer, GCP Billing, MLflow, Kubeflow, SageMaker. - Networking & IT Management: FortiGate, CISCO, Mikrotik, QNAP, NinjaOne. - Web & Email: LAMP, LEMP, DNS, DKIM, SPF, DMARC, MX. Who We Work With Startups: Building scalable, secure infrastructures from day one. Enterprises: Driving modernization, automation, and DevOps transformations. Finance & SaaS: Implementing rigorous security, compliance, and FinOps practices. ML/AI Teams: Deploying robust frameworks for model scaling. Ready to transform your infrastructure, optimize costs, and secure 24/7 reliability? Let’s talk.

+10 Years of Experience Helping Client & Business: Develop Software, Manage & Consult 🏆 Top Rated Freelancer / 100% Job Success 🏆 Software Guru 100% Delivery Speed on Both Complex & Difficult Tasks 🏆 AWS Cloud Solutions Architect Certified 🏆 AWS DevOps Engineer Certified 🏆 Built Highly Secure Cloud Architectures for Apache Kafka Applications 🏆 Developed Amazon Lex Chatbot for Multi-Language Support 🏆 Delivered Kubernetes-Orchestrated Solutions for Scalability 🏆 Implemented AWS Lambda for Serverless Application Architectures 🏆 Executed ECS Projects for High-Performance Containerized Workloads 🏆 Enhanced AWS Cloud Cyber Security Infrastructure With over 10 years of IT expertise in DevOps Engineering, Cloud Architecture, Cyber Security, and Infrastructure Automation, I bring a proven ability to deliver secure, scalable, and efficient cloud-based solutions tailored to business-critical applications. Key Skills & Expertise Amazon Lex Chatbot Development: Designed and implemented a multi-language Amazon Lex chatbot for customer engagement, supporting English and Spanish interactions. Container Management and Orchestration: Delivered containerized workloads using Amazon ECS for high-performance applications. Deployed Kubernetes for managing scalable containerized microservices, ensuring robust and reliable production environments. Serverless Architectures: Developed AWS Lambda-based serverless applications integrated with API Gateway and DynamoDB, enabling cost-efficient and event-driven solutions. Highly Secure Cloud Architecture: Built and implemented highly secure cloud architectures for mission-critical applications, including an Apache Kafka-based streaming platform. Enhanced AWS Cloud Cyber Security posture by implementing best practices such as IAM policies, security groups, VPC NACLs, encryption, and AWS WAF for web application security. CI/CD and Infrastructure as Code (IaC): Automated multi-account AWS deployments using Terraform and optimized CI/CD pipelines with Jenkins, SonarQube, and Maven. Monitoring and Observability: Implemented Prometheus, Grafana, and New Relic for real-time monitoring and end-to-end application observability. Disaster Recovery and High Availability: Executed a failover recovery plan between on-premises servers and AWS EC2 Reserved Instances to achieve zero downtime during critical operations. Cyber Security and Compliance: Strengthened AWS Cloud security by implementing IAM policies, fine-tuning security groups, ensuring secure container deployments, and following security best practices for applications and data. Recent Highlights Amazon Lex Chatbot: Developed a bilingual chatbot with Amazon Lex, enabling seamless client communication and automating booking workflows. Apache Kafka Secure Deployment: Built a highly secure cloud architecture to support an Apache Kafka streaming application, ensuring optimal performance and security. ECS and Kubernetes: Delivered containerized solutions using Amazon ECS for high-throughput workloads and orchestrated Kubernetes deployments for scalable applications. AWS Lambda Projects: Designed and implemented serverless solutions leveraging AWS Lambda, API Gateway, and DynamoDB for cost-efficient, event-driven architectures. Cyber Security: Enhanced AWS Cloud Cyber Security infrastructure by implementing robust security configurations across all deployed services.

Professional Summary Results-driven DevOps Engineer / Cloud SRE with over 10+ years of progressive experience, starting from Linux System Administration to advanced Cloud Engineering, Kubernetes, and Automation. Proven record in migrating, optimizing, and modernizing large-scale infrastructure across AWS, GCP, and on-prem environments. Adept in GitOps, IaC, cost optimization, observability, and CI/CD pipelines. Key Achievements Migrated workloads to AWS Graviton (ARM64) with multi-architecture Docker build automation Modernized legacy monitoring stack using Prometheus Operator, AlertManager, and Grafana Implemented distributed Load Testing with Locust, integrated with monitoring metrics Deployed self-hosted GitHub runners on GKE Spot instances with node auto-provisioning → significant cost reduction Delivered Istio-based traffic management and observability alongside Nginx Ingress Led Kubernetes cost optimization using Cast.AI, VPA/HPA/Pod Rightsizing Built and maintained ClickHouse clusters for high-volume analytics Automated multi-branch CI/CD pipelines using GitHub Actions, ArgoCD, and Terraform Core Technical Skills Cloud & Containers: AWS (EKS, EC2, S3), GCP (GKE, Compute, Storage), Docker, Kubernetes Infrastructure as Code: Terraform, Pulumi (Python) Automation & CI/CD: GitHub Actions, Jenkins, ArgoCD, Helm, GitLab CI Monitoring & Logging: Prometheus, Grafana, Datadog, ELK (Stack), Loki, AlertManager Scripting & Dev Tools: Bash, Python, Git, Bitbucket, JIRA, Confluence Other: Redis, ClickHouse, Puppet, Ansible, CertManager, Istio Certifications: - Google Professional. Cloud Architect - Google Professional Data Engineer

DevOps and Observability Engineer with hands-on experience supporting production environments in AWS. I help companies improve monitoring, automate operational tasks, troubleshoot infrastructure issues, and increase system reliability. Areas of expertise: • Grafana dashboards and monitoring • Zabbix implementation and alert tuning • ELK / Elastic Stack • AWS infrastructure • Linux administration • Python automation • Docker and Kubernetes • Terraform and Infrastructure as Code I focus on practical solutions, clear communication, and reliable delivery.