Summary
Overview
Work History
Education
Skills
Timeline
Work Availability
Work Preference
Languages
SeniorSoftwareEngineer
Aleksandar Josic

Aleksandar Josic

DevOps/Cloud Engineer
Belgrade

Summary

For the last few years I have been working as a DevOps engineer with technologies such as Docker, Kubernetes, Terraform, ArgoCD, Prometheus and Grafana, GitHub Actions, GitLab CI, Helm, Kustomize and many others, using IaC, GitOPS and CI/CD principles.


I want to continue working, learning and developing my skills in the DevOPS field.

Overview

13
13
years of professional experience
2
2
Languages

Work History

DevOps Engineer

OptimaApps
06.2023 - Current
  • Set up infrastructure for an Android/iOS a cloud-based workout application on AWS using AWS Services like EKS, S3, RDS, CloudFront, MediaConvert, EventBridge, using Terraform for IaC, GitLab for GitOps, GitLab and ArgoCD for CI/CD principles.
  • Maintaining and migrating an existing project (for an insurance company client) from an on-premise Kubernetes cluster to AWS using ROSA EKS, Istio, ArgoCD, Bamboo, Nexus, Jaeger, ELK and other DevOps tools.
  • Creating and maintaining local (sandbox, dev, uat, prod) Kubernetes clusters based on Talos OS, integrated with local Hashicorp Vault via External Secrets Operator, with local Docker registry, using Jenkins pipelines, local Gitlab for GitOps and Terraform as IaC.

DevOps/AWS Cloud Engineer

HTEC Group
03.2022 - 06.2023
  • Developed an e-commerce platform using AWS (IAM, EC2, S3, RDS, ALB, EKS, CloudFormation,
    Lambda), Terraform, Kubernetes, GitHub Actions, ArgoCD, Prometheus, FluentBit, and Elasticsearch.
  • Created AWS Terraform Blueprints for rapid infrastructure deployment, covering VPC, SSM, ECR, EKS,
    MSK, Route53, MySQL, PostgreSQL, Redis, Cognito, and more.
  • Developed Kubernetes (EKS) Blueprints for DevOps teams, including ESO, Nginx, Prometheus-Grafana
    stack, EBS, Linkerd, SonarQube, Tekton, Loki, ArgoCD, and Helm-based deployments.

System Administrator

Institute of Virusology, Vacciness and Sera Torlak
12.2011 - 03.2022
  • Administered bare-metal and virtualized servers, supporting 160+ workstations.
  • Reduced downtime by proactively identifying and resolving potential issues through thorough system monitoring.
  • Established effective communication channels between IT support staff and end-users, leading to improved issue resolution times overall.
  • Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
  • Simplified troubleshooting processes by creating detailed documentation for system configurations, procedures, and best practices.

Education

Master of Science - Information Systems And Technologies

Faculty of Organizational Sciences (FON)
Belgrade, Serbia
04.2001 -

Bachelor of Science - Web Design

Technical Faculty "Mihajlo Pupin"
Zrenjanin, Serbia
04.2001 -

Bachelor of Science - New Computer Technologies

School of Electrical And Computer Engineering
Belgrade, Serbia
04.2001 -

Skills

Operating systems (Linux, Windows)

Timeline

DevOps Engineer

OptimaApps
06.2023 - Current

DevOps/AWS Cloud Engineer

HTEC Group
03.2022 - 06.2023

System Administrator

Institute of Virusology, Vacciness and Sera Torlak
12.2011 - 03.2022

Master of Science - Information Systems And Technologies

Faculty of Organizational Sciences (FON)
04.2001 -

Bachelor of Science - Web Design

Technical Faculty "Mihajlo Pupin"
04.2001 -

Bachelor of Science - New Computer Technologies

School of Electrical And Computer Engineering
04.2001 -

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Work Preference

Work Type

Full TimePart TimeContract Work

Location Preference

On-SiteHybridRemote

Important To Me

Work from home optionCareer advancement

Languages

English
Upper intermediate (B2)
Aleksandar JosicDevOps/Cloud Engineer