**IT Specialist & Server Engineering Expert**
With over 10 years of experience in the IT industry, I am a results-driven systems engineer specializing in server infrastructure, cloud technologies, and automation. My background includes working with large hosting companies where I excelled in troubleshooting performance issues, configuring servers, and integrating cutting-edge technologies into scalable environments.
*Key Expertise*:
- LAMP Stack (Linux, Apache, MySQL, PHP)
- Linux Mail Stack: Exim/Postfix, Dovecot
- Open-Xchange Products: PowerDNS, Open-Xchange, Dovecot Pro
- Load Balancing: F5 Big-IP, HAProxy
- CI/CD Pipelines: Jenkins, with deep knowledge of scripting Jenkins pipelines and automating workflows
- Virtualization: Proxmox (LXC containers, VMs)
- Automation: Ansible for streamlined configuration management
- Containerization: Docker, Kubernetes for scalable microservice architectures
- IaC: terraform
I specialize in delivering optimized, secure, and reliable server solutions that meet the growing demands of modern IT environments. My passion for automation and continuous improvement ensures efficient workflows and infrastructure scalability.
System Administration
Perl
Python
NGINX
DevOps
cPanel
Postfix SMTP Server
Dovecot
MySQL
Kubernetes
Nagios Core
Zabbix
Bash Programming
PHP
Iptables
Dzmitry B.
Warsaw, Poland
$35/hr
5.0
5 jobs
I take end-to-end ownership of AWS production infrastructure at scale, from Kubernetes and Terraform to CI/CD, security and low-downtime migrations, cutting costs by up to 40% and speeding production deployments 5x.
I act as the AWS DevOps lead and technical owner for each project, responsible for architecture, technical decisions, implementation oversight and production delivery. I have delivered more than 10 complex AWS and cloud infrastructure projects for B2B SaaS, B2C products and AI startups.
📈 Selected Results
✅ Reduced AWS infrastructure costs by up to 40% through architecture review, terraform and IaC improvements
✅ Cut infrastructure provisioning time from 4 hours to 20 minutes using terraform and reusable IaC modules
✅ Reduced deployment time from 40 minutes to 8 minutes with CI/CD automation
✅ Built and maintained more than 100 CI/CD pipelines
✅ Automated up to 80% of recurring DevOps work with IaC, terraform and policy-based controls
✅ Completed AWS and kubernetes production migrations with under 5 minutes of downtime
✅ Deployed and improved production kubernetes environments across AWS EKS and k8s clusters
✅ Standardized docker build, release and rollback workflows
✅ Improved cloud security controls and SOC 2 readiness for production workloads
✅ Added automated backups, tested recovery and rollback procedures supporting SOC 2 requirements
🎯 How I Can Help
🔹 Work as your AWS DevOps Engineer to stabilize production infrastructure and resolve recurring operational issues
🔹 Support AWS design decisions as an AWS DevOps Engineer focused on reliability, cloud security and growth
🔹 Deploy and harden kubernetes environments, including k8s on Amazon EKS
🔹 Improve docker images, registries, runtime standards and deployment safety
🔹 Build CI/CD workflows for testing, releases and rollback
🔹 Deliver terraform and IaC changes with reviewable plans and controlled rollout
🔹 Migrate applications and infrastructure with minimal downtime across EKS and k8s environments
🔹 Implement monitoring, alerting, backups and disaster recovery for docker and cloud workloads
🔹 Reduce cloud costs through right-sizing, architecture cleanup and automation
🔹 Prepare cloud security controls and evidence for SOC 2, HIPAA, ISO 27001, GDPR and PCI DSS audits
🛠 Core Stack
🔸 AWS | EKS, ECS, EC2, Lambda, RDS, Aurora, S3, CloudFront, IAM, Route 53, WAF, Security Hub
🔸 kubernetes | EKS, AKS, GKE, Helm, Argo CD, GitOps, ingress, autoscaling, k8s operations
🔸 Infrastructure as Code | terraform, Terragrunt, CloudFormation, Ansible , IaC standards
🔸 CI/CD | GitHub Actions, Jenkins, Azure DevOps, CircleCI, gitlab ci/cd mlops
🔸 Containers | docker, ECR, image scanning, registry policies
🔸 Observability | Prometheus, Grafana, CloudWatch, Datadog, Sentry, OpenTelemetry
🔸 cloud security | IAM, RBAC, secrets management, vulnerability scanning, DevSecOps controls, SOC 2 support
🔸 Data Services | PostgreSQL, RDS, Aurora, Redis, DynamoDB, OpenSearch
🔸 Systems | Linux, Nginx, Bash, Python
My work may overlap with senior Full Stack Developer teams and roles such as AWS Architect, Azure Architect, DevOps Kubernetes and cloud engineer. I also support aws lambda, cloud migrations and ci cd delivery when these are part of the project scope.
AWS is my primary cloud. I also work with Azure and GCP when the project includes an existing multi-cloud environment, migration or platform-specific requirements.
⚙️ How I Work
1️⃣ As your AWS DevOps Engineer, I review the current architecture, kubernetes platform, docker workloads, cloud security risks and bottlenecks
2️⃣ As your AWS DevOps Engineer, I define priorities, terraform changes, IaC scope, SOC 2 requirements and expected outcomes
3️⃣ As your AWS DevOps Engineer, I improve infrastructure, CI/CD, k8s operations and SOC 2 controls
4️⃣ As your AWS DevOps Engineer, I test docker deployment, rollback, backup and recovery procedures
5️⃣ As your AWS DevOps Engineer, I deliver clear documentation for k8s, IaC and cloud security handover
You work directly with me throughout the project. I remain responsible for communication, delivery quality and final technical decisions.
For larger scopes, trusted DevOps specialists can support execution under my technical supervision. I remain your main point of contact and responsible for delivery.
My delivery process includes k8s review, docker release checks, pipeline validation, SOC 2 evidence mapping and cloud security verification before handover.
💬 Tell me what is happening with your infrastructure, where the risks or bottlenecks are, and what outcome you need. Send me a message, and we can review the problem and discuss the next steps on a call.
Amazon Web Services
DevOps
DevOps Engineering
Kubernetes
CI/CD
Deployment Automation
Terraform
CI/CD Platform
Configuration Management
Docker
Linux
Ansible
Python
Jenkins
Git
Google Cloud Platform
Containerization
Node.js
JavaScript
Ihar L.
Nadarzyn, Poland
$75/hr
5.0
43 jobs
Extensive software development experience for more than 20+ years (Golang, Python, PHP, and Cloud Native architecture). Significant expertise in cloud security (AWS, GCP, Alibaba Cloud, Azure), Linux, architecture design and implementation, advanced development, and expertise, as well as tremendous experience in video processing (FFmpeg, streaming, GPU encoding).
I like complex projects, including high-load projects with some data processing, project management, and troubleshooting. I understand the business and business requirements.
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