Operate air-gapped, on-premise Kubernetes clusters across Production, DR, and UAT. Build secure self-hosted CI/CD and artifact workflows, administer Linux infrastructure, and maintain Prometheus, Grafana, and centralized logging. Responsibilities include cluster upgrades, patching, capacity planning, incident response, security hardening, observability, troubleshooting, and documenting infrastructure and runbooks.
Job Title: Devops Engineer
Location: Mumbai
Experience:
Employment Type: Full-Time
About Oneture:
Oneture is building intelligent, cloud-native solutions that drive real business impact. We are looking for a passionate Senior Data Scientist to join our growing team and lead predictive modeling initiatives.
About the Role:
Oneture Technologies is looking for a hands-on DevSecOps / Platform Engineer to join an on-site, air-gapped on-premise
Kubernetes engagement. The platform underpins a mission-critical, security-hardened system and runs entirely on-premise across bare-metal infrastructure — this is not a cloud-first role. The engineer will own day-to-day cluster operations, CI/CD tooling, and observability across Production, DR, and UAT environments.
Key Responsibilities
- • Own and operate the on-premise Kubernetes clusters across PR, DR, and UAT — upgrades, patching, capacity, and incident response.
- • Build and maintain on-prem CI/CD pipelines and secure air-gapped deployment workflows.
- • Implement and maintain the Prometheus/Grafana monitoring stack and an on-prem logging solution, with alerting for critical workloads.
- • Work closely with application and data teams (streaming, database) to keep the platform secure, available, and performant.
- • Document infrastructure, runbooks, and troubleshooting procedures for a security-hardened, air-gapped setup.
Primary Skills: Must Have:
1.On-Premise Kubernetes (End-to-End):
• Proven hands-on experience installing, configuring, and operating a Kubernetes cluster entirely on-premise / bare-metal (e.g. RKE2, kubeadm, k3s) — not managed/cloud K8s (EKS/GKE/AKS).
• Strong grasp of on-prem-specific components: CNI (e.g. Calico), MetalLB or equivalent for bare-metal load balancing, ingress controllers, and persistent storage (e.g. Longhorn, local-path-provisioner).
• Experience managing multi-node clusters across Production, DR, and UAT with high-availability and DR failover considerations.
• Comfortable troubleshooting at the cluster, node, and container-runtime level (e.g. containerd) in a fully air-gapped environment
2. On-Premise DevSecOps Tooling [MANDATORY] :
• Experience standing up and administering CI/CD tooling on-premise — Jenkins or equivalent (GitLab CI, Tekton, etc.), fully self-hosted with no external/SaaS dependency.
• Ability to design secure, air-gapped CI/CD and artifact/image workflows (e.g. offline image transfer and import pipelines) where the environment has no direct internet access.
• Working knowledge of security hardening for on-prem environments — access controls, sudo/user policy restrictions, firewall and network segmentation across subnets.
3. On-Premise Monitoring & Logging [MANDATORY]
• Hands-on experience deploying and managing a self-hosted monitoring and alerting stack — Prometheus and Grafana at minimum.
• Experience with an on-prem logging/log-aggregation stack (e.g. Loki, ELK/EFK, or equivalent) for cluster and application-level observability.
• Ability to build actionable dashboards and alerts for cluster health, node resource usage, and workload-level metrics without relying on cloud-native/SaaS monitoring tools.
4. Linux Fundamentals [MANDATORY]
• Strong Linux administration skills (RHEL/CentOS preferred) — Kubernetes runs on Linux, and day-to-day troubleshooting happens at the OS level.
• Comfortable with systemd, networking (iptables/nftables, routing), storage/disk management, and package management in an offline/air-gapped context.
• Solid shell scripting ability for automation and troubleshooting.
Oneture Technologies Mumbai, Maharashtra, IND Office
Mumbai, India
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