Job Description

Role Overview

Provide second-level operational support for a containerized Open Stack Private Cloud deployed using Kolla-Ansible. Focus on advanced troubleshooting, service restoration, root cause analysis, platform validation, and coordination with engineering and infrastructure teams to ensure high availability and operational stability.

Key Responsibilities

- Provide second-level support for incidents and service requests escalated by the L1 Operations

team.

- Troubleshoot Open Stack services including Nova, Neutron, Keystone, Glance, Cinder, Horizon,

Placement, Heat, and Octavia.

- Diagnose and resolve issues related to compute, networking, storage, authentication, scheduling,

and API services.

- Troubleshoot Docker containers deployed through Kolla-Ansible and perform service recovery

following operational procedures.

- Perform advanced Linux administration, including troubleshooting CPU, memory, disk, filesystem,

networking, processes, and service failures.

- Analyze applications, containers, and system logs to identify root causes and restore services.
- Validate VM lifecycle operations, image management, volume operations, floating IP connectivity,

and Open Stack API availability.

- Monitor platform health using Grafana, Prometheus, and Alert manager, and investigate

infrastructure alerts.

- Validate the health of controllers, compute, storage, and network nodes after maintenance

activities.

- Perform troubleshooting of Cinder and Ceph storage services, validate volume creation,

attachment, snapshot operations, storage health, and collect diagnostic information for incident

analysis.

- Monitor storage capacity and backend storage health, coordinate with Infrastructure teams for

storage-related incidents, and validate storage services after maintenance activities.





- Perform hardware health validation using server management interfaces such as iDRAC, iLO, or

IPMI, and correlate hardware events with platform issues.

- Collect hardware diagnostic information and coordinate with Infrastructure, Data Center, and

OEM teams for hardware-related incidents.

- Support planned maintenance activities, platform validation, and change implementations.
- Prepare Root Cause Analysis (RCA) reports and update operational documentation and

knowledge base articles.

- Mentor L1 engineers and provide technical guidance during incident resolution.

Technical Skills

- Strong Linux administration (RHEL/Rocky Linux/Ubuntu)
- Good understanding of Open Stack architecture and core services
- Hands-on experience with Docker container operations
- Working knowledge of Kolla-Ansible-based Open Stack environments
- Experience with Grafana, Prometheus, and Alert manager
- Robust understanding of TCP/IP networking, VLANs, VXLAN, DNS, and SSH
- Experience with Open Stack CLI and basic API troubleshooting
- Knowledge of virtualization technologies (KVM/QEMU/libvirt)
- Basic understanding of HA Proxy, MariaDB/Galera, RabbitMQ, and Ceph
- Experience with ITSM tools such as JIRA or Service Now
- Basic shell scripting (Bash/Python) is an added advantage

Soft Skills

- Strong analytical and troubleshooting skills
- Excellent verbal and written communication
- Customer-focused approach
- Ability to work independently in a 24×7 rotational shift environment
- Good documentation and reporting practices
- Strong ownership and accountability
- Team collaboration and mentoring skills
- Effective incident management and escalation discipline

Preferred Certifications

- RHCE (Red Hat Certified Engineer)
- RHCSA (Red Hat Certified System Administrator)
- LFCS (Linux Foundation Certified System Administrator)
- Open Stack Foundation Certification (Preferred)
- Docker Certified Associate (Preferred)

📌 OpenStack Support- Private Cloud Operations (Thiruvananthapuram)
🏢 Knitt Labs
📍 Thiruvananthapuram