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\b Nikola Jovanovi\'c7\b0\line
DevOps Engineer\line
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\b Contact\b0\line
rarelymediocre@gmail.com\line
+381 63 88 98 719\line
Novi Sad, Serbia\line
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\b Technical Skills\b0\line
\b Cloud & Infra:\b0 AWS (EC2, S3, RDS, Aurora, ECR, EFS, EKS, IAM, CloudWatch, Route53)\line
\b Containers & Orchestration:\b0 Docker, Docker Compose, Docker Swarm, Kubernetes, K3s, Proxmox\line
\b CI/CD & Automation:\b0 GitHub Actions, Jenkins, Bitbucket Pipelines, GitLab CI, Ansible\line
\b Observability:\b0 Grafana, Prometheus, Loki, Promtail\line
\b Messaging & IoT:\b0 MQTT, AMQP, WebSockets, RabbitMQ, Mosquitto\line
\b Databases:\b0 MySQL, Cassandra\line
\b Systems & Networking:\b0 Linux (Debian, Ubuntu, CentOS), TCP/IP, DNS, VPN, Nginx\line
\b Build & Versioning:\b0 Java/Gradle, Dockerizing apps, Git\line
\b Virtualization:\b0 Proxmox, VirtualBox, Qemu\line
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\b Work Experience\b0\line
\b DevOps Engineer \emdash  WolkAbout\b0\line
Feb 2023 \emdash  Present\line
- Installed, deployed, and maintained IoT platform architecture with MQTT, AMQP, WebSockets, RabbitMQ, Redis, MySQL, Cassandra, and Tomcat backend services.\line
- Set up platforms for both on-premises development environments and production client deployments.\line
- Managed services via systemd, Docker Compose, Docker Swarm, self-hosted K3s, and AWS EKS clusters.\line
- Automated deployment pipelines using GitHub Actions, Jenkins, and Bitbucket Pipelines to improve release cadence.\line
- Managed AWS infrastructure (EC2, S3, RDS, Aurora, Route53, Cost Management, ECR, EFS, EKS, SES, IAM, CloudWatch).\line
- Implemented Grafana with Promtail and Loki for centralized logging and monitoring.\line
- Built and containerized Java/Gradle applications using Docker.\line
- Operated a multi-node bare-metal Proxmox cluster supporting company-wide infrastructure.\line
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\b DevOps Engineer / System Administrator \emdash  Zesium\b0\line
Apr 2022 \emdash  Feb 2023\line
- Deployed and maintained Dockerized applications across multiple Linux servers.\line
- Automated development workflows using Jenkins and integrated GitLab pipelines for continuous deployment.\line
- Introduced Docker Swarm and Kubernetes for container orchestration.\line
- Optimized Nginx configurations and resolved network issues for efficient request handling.\line
- Collaborated with development teams to streamline deployments and meet security standards.\line
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\b Linux System Administrator \emdash  Netex Consulting\b0\line
Sep 2020 \emdash  Apr 2022\line
- Managed Linux infrastructure, including installation and configuration of servers for B2B clients.\line
- Configured and maintained SIP/VOIP systems for 500+ employees.\line
- Virtualized environments using Oracle VirtualBox, reducing infrastructure costs.\line
- Set up VPN and firewall systems to enable secure remote work.\line
- Created technical documentation and internal training materials.\line
\line
\b Education\b0\line
\b Secondary School of Traffic\b0\line
2007\line
Srednja saobra\'c7ajna \vsrednja  \v0\'c5kola, Zemun \emdash  Field of Study: Traffic Technician\line
}