DevOps Engineer

WE’RE HIRING!DevOps EngineerPlacement: BalikpapanAt PT Minergo Visi Maxima, we design and operate advanced digital ecosystems that connect technology, data, and mining operations.As a DevOps Engineer, you will play a key role in building, maintaining, and optimizing our hybrid infrastructure — combining on-premise systems with cloud environments to support Minergo’s IoT, data streaming, and AI-driven platforms.You’ll work collaboratively with development, R&D, and QA teams to ensure smooth CI/CD pipelines, reliable deployments, and high system availability across distributed environments.Key ResponsibilitiesDesign, build, and maintain on-premise infrastructure based on Linux, Docker, and Kubernetes (bare-metal or VM).Manage CI/CD pipelines using GitLab CI, Jenkins, or GitHub Actions for automation and deployment.Oversee resource provisioning for clusters — including nodes, storage, and network segmentation.Deploy and maintain data streaming systems such as MQTT (EMQX/Mosquitto), Redis, and Kafka.Implement monitoring & observability stacks (Prometheus, Grafana, Loki / ELK).Perform root cause analysis, troubleshooting, and system performance tuning.Implement backup & disaster recovery strategies (hybrid on-prem + cloud).Maintain security configurations — firewalls, reverse proxy (Nginx/HAProxy), TLS/SSL, and secret management.Collaborate with Project, R&D, and QA teams for deployment planning and continuous improvement.Document system design, configurations, and operational SOPs.QualificationsBachelor’s degree in Computer Science, Information Technology, or related field.3+ years of experience in DevOps, System Administration, or Site Reliability Engineering.Strong understanding of Linux server administration (Ubuntu/CentOS) and network fundamentals (routing, DNS, VLAN, firewall).Hands-on experience with Docker, Kubernetes, and container orchestration in local environments.Proficient in CI/CD tools (GitLab CI, Jenkins, GitHub Actions).Knowledge of MQTT, Redis, and Kafka for real-time and streaming systems.Familiar with Infrastructure as Code tools (Terraform, Ansible).Experience in system monitoring and alerting using Prometheus, Grafana, Loki, or ELK.Scripting ability in Bash, Python, or Go for automation.Strong problem-solving mindset and ability to work cross-functionally.Preferred SkillsExperience deploying Kubernetes bare-metal clusters without cloud providers.Familiar with GitOps (ArgoCD), Helm, and CI/CD orchestration.Understanding of network topology, load balancing, and reverse proxy design.Experience in hybrid architecture (on-premise + cloud disaster recovery).AWS / Azure / GCP familiarity for backup or failover operations.Certified Kubernetes Administrator (CKA/CKAD) is a plus.