Job Title: ROSA / OpenShift L3 Administrator

Experience: 6-8 Years.

Location: Hyderabad (WFO)

Primary skills: 5+ years of hands-on experience in Kubernetes/OpenShift administration and support.

Secondary skills: Strong experience with Red Hat OpenShift 4.x and practical exposure to ROSA.

Notice Period: Immediate joiners only

Key Responsibilities

- Platform Operations: Provide L3 administration and support for ROSA and OpenShift environments, including cluster configuration, lifecycle management, upgrades, and operational maintenance.
- Troubleshooting & Incident Resolution: Diagnose and resolve complex platform, cluster, networking, storage, security, and workload-related issues, coordinating with Red Hat, AWS, and client teams where required.
- Cluster & Platform Management: Manage OpenShift resources, Operators, namespaces, RBAC, networking configurations, storage, and other platform components.
- Automation & DevOps: Support automation and operational activities using Infrastructure-as-Code and DevOps/GitOps tools such as Ansible, Terraform, ArgoCD, Jenkins, or similar technologies.
- Security & Access Management: Implement and manage RBAC, IAM integrations, security policies, network policies, secrets, and other platform security controls.
- Monitoring & Observability: Configure and support monitoring, logging, alerting, and observability capabilities using OpenShift monitoring, Prometheus, Grafana, and related tooling.
- Performance & Capacity Management: Monitor platform health, capacity, performance, and availability, and proactively identify potential issues.
- Collaboration & Escalation Management: Work closely with application, infrastructure,



networking, security, AWS, and Red Hat teams to resolve complex issues within the ROSA shared responsibility model.
- Documentation & Knowledge Sharing: Maintain operational documentation, runbooks, SOPs, and contribute to knowledge sharing and mentoring of junior team members.

Required Skills & Qualifications:

- 5+ years of hands-on experience in Kubernetes/OpenShift administration and support.
- Strong experience with Red Hat OpenShift 4.x and practical exposure to ROSA.
- Robust troubleshooting skills across Kubernetes/OpenShift clusters, workloads, networking, storage, Operators, and RBAC.
- Good understanding of AWS services relevant to ROSA, including VPC, IAM, load balancing, Route 53, and networking.
- Experience with Linux/RHEL and container technologies.
- Experience with monitoring and observability tools such as Prometheus and Grafana.
- Experience with automation/IaC tools such as Ansible, Terraform, or similar technologies.
- Understanding of OpenShift security, network policies, IAM/RBAC, and secrets management.
- Ability to work with multiple teams and coordinate with AWS and Red Hat support where required.

Preferred Skills:

- Experience with ArgoCD/GitOps practices.
- Experience supporting application migrations or onboarding workloads to OpenShift/ROSA.
- Experience working in enterprise production support environments.

Preferred Certifications:

- Red Hat Certified Specialist in OpenShift Administration
- Red Hat Certified OpenShift Administrator/Architect credentials
- AWS Certified Solutions Architect or SysOps Administrator
- Certified Kubernetes Administrator (CKA)

📌 ROSA / OpenShiftAdministrator (Hyderabad)
🏢 Adroit India
📍 Hyderabad