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"Cut our monthly AWS costs by 61%, from $2,280 down to $817, with zero disruption to production workloads.", — CTO, Fintech Startup 🏆 AWS DevOps Engineer, Senior DevOps, AWS Architect, Cloud Engineer with 6+ years in AWS, Azure, Kubernetes and cloud infrastructure enhancement ✅ ABOUT ME As an Certificate AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer, I bring 6+ years of hands-on experience across AWS, azure and kubernetes environments, moving fluidly between aws devops and azure devops work depending on what the client's stack demands. 39% lower AWS spend, from $2,000 to $800/month, delivered while working as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer for a Fintech SaaS client, where aws devops and devops practices ran side by side across a hybrid AWS and azure stack, backed by tight security & compliance controls and FinOps discipline from day one. 99.9% uptime and 60% faster releases came from building CI/CD and ci/cd pipelines with github actions, plus ci/cd azure workflows, in my role as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer for teams standardizing on Azure DevOps. 25+ kubernetes clusters managed with Docker and docker devops workflows cutting deployment time by 45%, work I take on as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer across both aws and azure devops environments. 12+ production environments hardened for security & compliance, with IAM policies and FinOps cost controls reducing audit findings by 30% on every AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer engagement I run. 18,000+ daily requests routed through ECS/Fargate, with Terraform/CDK and other IaC tools cutting environment provisioning from days to minutes, a core part of how I work as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer. 6+ mlops pipelines deployed alongside data engineer teams and a senior full stack developer, cutting model deployment time by 40% using python automation as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer. ✅ WHERE I DELIVER On AWS - 20+ cloud infrastructure builds spanning ECS/Fargate, kubernetes and multi-region AWS deployments for SaaS and Fintech platforms, all run with aws devops rigor as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer. On Azure - 15+ azure devops pipelines, ci/cd azure workflows and azure cloud engineer projects cutting release cycles by 35%, with github actions and CI/CD tying it all together in my work as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer. Across security & compliance - 25+ IAM design and framework projects for regulated industries, backed by devops best practices across aws and DevOps tooling as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer. Across Docker and kubernetes - container orchestration and ci/cd pipelines lifting deployment frequency by 3x, whether the client calls it devops, aws devops or azure devops. With python - 12+ automation scripts and mlops integrations, 28% lower operational overhead, often working alongside a full stack developer or senior full stack developer on shared codebases. On infrastructure due diligence - project manager coordination on erpnext frappe deployments before funding rounds as an acquisition manager, where devops and aws hygiene matter as much as the numbers. ✅ INDUSTRY IMPACT Fintech, Payments - 39% AWS cost reduction ($2,000 to $800/month), 99.9% uptime and AWS End User Messaging integration cutting notification latency by 50%, delivered as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer running aws devops and devops practices daily. SaaS, B2B Platforms - multi-region AWS deployments and IaC tools like Terraform/CDK reducing infrastructure drift incidents by 60%, with aws and azure devops kept in sync throughout. AI, MLOps - 6+ mlops pipelines processing 10,000+ daily inference requests with automated CI/CD and ci/cd pipelines, working alongside a data engineer with python scripting the glue between them. Enterprise Cloud Migration - github actions-driven ci/cd azure pipelines migrating legacy workloads with zero downtime, devops throughout, as an AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer. Startups and Scaleups - cloud infrastructure enhancement and erpnext frappe deployments cleaned up before funding rounds as an acquisition manager and project manager, aws and devops working hand in hand. ✅ HOW I BUILD On AWS: aws, aws devops, ECS/Fargate, kubernetes, Docker, docker devops, Terraform/CDK, IAM, FinOps, the core stack behind every AWS DevOps Engineer, Senior DevOps, AWS Architect and Cloud Engineer engagement. On Azure: azure, azure devops, ci/cd azure, github actions, cloud infrastructure enhancement, devops throughout.

Your server's down at 3am. Your cloud bill doubled. Deploys are a Friday nightmare. I fix exactly this — fast, with a rollback plan for every change. Results from 49 completed projects (100% Job Success): - 99.9% uptime — real monitoring with Prometheus, Grafana, and structured alerting - 30-60% faster page loads — Nginx/Apache tuning, CDN, TLS hardening, HTTP/2 - 20-35% lower cloud costs — right-sizing, autoscaling, lifecycle policies, FinOps - Deploys in minutes — Docker, Kubernetes, GitOps (ArgoCD/Flux), GitHub Actions, GitLab CI What I do: - Infrastructure & Containers: Linux, Docker, Kubernetes, Helm, Terraform, Ansible - Cloud: AWS, GCP, Azure - CI/CD: GitHub Actions, GitLab CI, ArgoCD, blue-green/canary deploys - Monitoring: Prometheus, Grafana, OpenTelemetry, ELK/OpenSearch - Security: Vault, SBOM/SLSA, Zero Trust, WireGuard/OpenVPN - Scripting: Bash, Python, Go, PowerShell How I start: 1. Quick audit (30-60 min) — what's running, what's breaking, what costs money for no reason 2. Prioritized action plan — what to fix now, what can wait, rollback strategy for every change 3. Early wins in 48 hours — faster response, fewer alerts, lower bill, working backups I don't do "two weeks of discovery." I dig in, find the worst problems, fix them fast. Tell me what's hurting — I'll be straight about whether I can help and what it takes.

I'm UNIX/Linux System Administrator and DevOps engineer with 20 years experience. I have in setting up and managing servers, optimizing them for best performance and security aspects. I have expertise with setting up baremetal servers of various brands via IP KVM, IPMI, DELL DRAC, HP ILO. I'm working with virtualization platforms such as - VMWare, XEN, KVM, Microsoft Hyper-V, VirtualBOX. I'm working with cloud solutions as Amazon AWS, Google Cloud, Microsoft Azure I have set up and manage web servers using Apache/NGINX, configure HA clusters by using NGINX, Haproxy. The database servers administration MySQL, MariaDB, Percona, Oracle. Also, I have strong knowledge and experience with Windows Server various editions and Windows Dekstop platforms (Windows 10/11) I have great knowledge and strong experience with VPN technologies OpenVPN, PPTP, L2TP, IPSec, Wireguard. Very good knowledge and experience in troubleshooting.

I help fix broken Linux servers, Docker setups, and web infrastructure issues. Most of my work is troubleshooting — identifying problems quickly and resolving them with minimal downtime. I also set up servers from scratch and handle full configuration — from initial deployment to production-ready environments. I have hands-on experience with: Docker (custom setups, networking, debugging) Nginx (configuration, routing, performance issues) DNS (domain setup, propagation, misconfiguration fixes) Email systems (SMTP, IMAP, POP3, SPF, DKIM, DMARC, spam issues) Linux servers (Ubuntu, Debian, CentOS, RHEL) I can help if: Your server is down or unstable Docker containers are not working or require custom setup Nginx returns errors (502, 504, etc.) Emails are not delivered or go to spam SPF/DKIM/DMARC are misconfigured You need a server configured from scratch I focus on reliable solutions, minimal downtime, and clear communication.

⭐️ Top Rated Plus - Top 3% Expert on Upwork 🕒 9000+ Working Hours ✅ 20+ Years of Expertise ✅ 100% Job Success ✅ 300+ Successful Projects Finished ✅ 5 Star Rating Hello, I'm Oleksandr. As a seasoned Linux System Administrator and DevOps Engineer with over 20 years of experience I specialize in delivering robust IT solutions that enhance operational efficiency and security. My expertise spans across various domains, including: ▪ DevOps & Automation: Successfully implemented automated provisioning using Ansible, streamlining deployment processes and reducing manual intervention. ▪ Linux & FreeBSD Maintenance: Managed and optimized server environments on CentOS, Debian, Ubuntu, RHEL, and FreeBSD, ensuring high availability and performance. ▪ Cloud Hosting: Deployed and maintained scalable cloud solutions on AWS, Azure, and DigitalOcean, enhancing infrastructure reliability and scalability. ▪ Virtualization: Utilized Docker, VirtualBox, and OpenVZ to create flexible and efficient virtual environments, supporting diverse application needs. ▪ Web & Database Servers: Configured and maintained Apache, Nginx, MySQL, PostgreSQL, and MongoDB servers, ensuring secure and efficient data handling. ▪ Networking & Security: Implemented secure networking solutions, including VPNs and firewalls, to protect sensitive data and maintain network integrity. I am committed to continuous improvement and staying abreast of the latest industry trends. My approach is rooted in ITIL best practices, ensuring incident management and business continuity planning are at the forefront of my work. Let's collaborate to drive your IT projects to success with innovative solutions and expert guidance.

I help companies build, migrate, and scale cloud infrastructure — from single-server setups to fully automated, production-ready environments. My core focus is AWS, DevOps, CI/CD, and infrastructure automation, with an emphasis on reliability, scalability, security, and cost optimization. 🔧 What I can help you with: AWS Cloud Infrastructure (EC2, ECS, EKS, RDS, S3, IAM, VPC, CloudWatch) Infrastructure as Code (Terraform) – modular, reusable, production-grade setups CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins) Docker & Kubernetes – containerized deployments and orchestration Serverless architectures (AWS Lambda, API Gateway) System design & scaling – load balancing, auto-scaling, high availability Monitoring & observability – logs, metrics, alerting, incident response Performance optimization & troubleshooting in production environments Cloud cost optimization and resource right-sizing Security best practices (IAM, secrets management, network isolation) Migrations to cloud (on-prem / legacy → AWS) 🚀 How I work: Focus on real production results, not just configs Build systems that are stable, predictable, and easy to maintain Reduce manual work through automation and clean workflows Quickly identify and fix bottlenecks and reliability issues I’ve worked with startups and growing SaaS products, helping them move from fragile setups to scalable, production-ready infrastructure. If you need someone who can take ownership, improve your system, and make it actually work under load