Aleksandar Stefanovic
Development
Serbia, Serbia
Skills
DevOps
About
Aleksandar Stefanovi's skills align with Consultants and Specialists (Information and Communication Technology). Aleksandar also has skills associated with Programmers (Information and Communication Technology). Aleksandar Stefanovi has 13 years of work experience, with 7 years of management experience, including a mid-level position.
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Work Experience
Director
Cloudteh IT Solutions
January 2016 - December 2022
- I have started my own small startup company providing managed and self-managed cPanel Web Hosting Services & KVM Cloud Servers. I was responsible for the following: • Development of entire web hosting infrastructure on Linux servers and powered by cPanel & WHM using CloudLinux kernel and LiteSpeed proprietary Web Server as well as Apache + NGINX on some of the servers. • Development of KVM virtualized Cloud Server hosting services using Virtualizor and SolusVM as server orchestration. • Implementation of web hosting infrastructure security solutions and firewalls such as ConfigServer & Security Firewall, LiteSpeed WAF, Imunify360 WAF. • Design and implementation of web hosting and cloud infrastructure backup solution for both internal and end-user backup needs. • Server infrastructure administration and maintenance. • Providing clients with live chat, email, ticketing and phone support. • Organizing company's digital marketing strategies. • Dealing with company's finances and administration.
DevOps Engineer at The Trustee
The DAGM Trust
January 2020 - December 2021
- • Building CI/CD pipelines. • Working with AWS Cloud infrastructure (EC2, RDS, VPC, S3). • Working with Azure Cloud infrastructure (Azure DevOps, Azure Kubernetes Service) - deploying docker containers and NodeJS apps to AKS. • Building docker images and containerizing applications. • Automating tasks with Ansible & Jenkins. • Infrastructure Monitoring. • On-premise VMWare infrastructure management.
Linux Systems Engineer
The DAGM Trust
January 2020 - December 2021
- Sporta.be is a non-profit sports organization in Belgium, having IT department and dedicated cloud infrastructure as well as local infrastructure mainly linux based. During my time at Sporta, my main obligations were: • Dedicated Cloud Linux Infrastructure Administration (Proxmox). • Security implementation and improvements. • Infrastructure monitoring and setup. • Setup and administration of ISPConfig web applications.
Linux Systems Engineer (Level 2)
IT4Biz DOO (SuperAdmins)
January 2015 - December 2016
- Administration of Linux server and network infrastructure (RedHat/CentOS, Debian/Ubuntu, etc ). • Handling multiple virtual environments based on: OpenVZ, VMware, Xen, KVM, and HyperV. • Level 2 infrastructure & user support for multiple cloud hosting companies. • Proactive IT infrastructure monitoring Developing and maintaining of existing server and network infrastructure.
Freelance IT Specialist
Self-Employed
January 2011 - December 2014
- Initiated a freelance career in web development and IT solutions during high school, balancing academic responsibilities with client projects. Gained hands-on experience by delivering tailored services in a range of areas including web development, Linux system projects, and various other IT-related tasks.
Consultant
Density One Inc
October 2022 - Present
- • Building custom Linux based OS template images for massive distribution on single board computers. • Developing Github CI/CD environment for building and deploying MacOS applications including development of Github Actions pipelines. • Developing various bash scripts. • Providing continuous DevOps support to software engineers.
Consultant
ObjectSharp, the Microsoft Business Group of Centrilogic
January 2021 - Present
- • Developing CI/CD pipelines for building and releasing applications of various architectures and services on the cloud. • Providing support in troubleshooting deployments and CI/CD pipelines. • Developing and deploying Azure Functions in Python. • Developing and deploying Blazor & C# application. • Managing Kubernetes Clusters, Docker Apps, Helm Charts. • Developing and deploying Azure Landing Zones. • Grafana Cloud Stack monitoring, setting up dashboards, metrics, logs, alerts and triggers. • Managing Terraform Cloud workspaces, Terraform Modules and Repositories. • Deploying and managing Cloud Resources using Terraform. • Providing DevOps support to Data Engineering Team. • Managing Azure DevOps projects and policies. Presently, I remain a consultant for the company's needs.
Education
University of Computer
January 2014 - January 2021
Gymnasium, High School
IV Degree
January 2010 - January 2014
Admin Training Center Belgrade
