Linux & OpenShift Infrastructure Engineer

4 weeks ago


Mumbai, Maharashtra, India Kuber & Company Full time

Linux & OpenShift Infrastructure Engineer (L2/L3)

Location : Lower Parel

EXP : 10 yrs

Working in shifts

Skills : Linux, Ansible, Openshift, ITRS tool, Satellite work

Role Overview :

The Linux & OpenShift Infrastructure Engineer (L2/L3) is responsible for the complete lifecycle management, security, administration, and optimization of Linux-based and containerized environments. This hybrid role combines direct, hands-on technical support (L2) with platform architecture, automation, and sustained process improvement (L3), ensuring high availability, compliance, and advancement of business-critical applications.

Key Responsibilities :

Core Server & Platform Management :

- Install, configure, and maintain Linux servers (RHEL, CentOS, Ubuntu, Debian, etc.).

- Conduct lifecycle managementincluding minor/major upgradesfor both RHEL and OpenShift clusters.

- Monitor system and cluster performance, proactively troubleshoot, and ensure optimal uptime.

- Perform routine and emergency system upgrades, patching, and security hardening.

- Lead master and node configuration, cluster onboarding/offboarding, and license/inventory management.

User, Access & Security Management :

- Administer user accounts, permissions, RBAC, authentication, and access controls for servers and container platforms.

- Implement and enforce identity and access management (IAM) and compliance with internal and external standards.

- Carry out vulnerability and security assessments, including image scanning and compliance via ACM/ACS.

- Automate and maintain hardening guidelines following Infosec and regulatory standards.

Automation & Optimization :

- Automate routine tasks, monitoring, and patch management using Shell scripting, Ansible, and Python.

- Build, optimize, and troubleshoot CI/CD pipelines (using Tekton or similar).

- Scale worker nodes, optimize clusters (compute, storage, network), set/champion quotas and cluster metrics.

- Drive ongoing automation for DR, backups, scaling, maintenance, health checks, and capacity planning.

Day-to-Day Operations & Incident Response :

- Respond to system alerts, incidents, and service requests ensuring issues are triaged and resolved promptly.

- Manage escalation paths, document all interventions, and ensure complete ticket/audit traceability.

- Practice thorough, transparent handovers and maintain all SOP/documentation for compliance and continuity.

- Participate in and lead disaster recovery drills, root cause analyses, and problem management.

Design, Deployment & Continuous Improvement :

- Lead infrastructure and container platform design, deployment, and migrationson-premises or in the cloud.

- Assess and onboard business applications for containerization, ensuring best practices and performance.

- Enable Active/Active and DR (near/remote) usage scenarios, advise on platform/process optimization.

- Integrate and fine-tune Service Mesh, storage, policy, and performance management at the platform level.

Client Interfacing & Team Enablement :

- Engage directly with clients for troubleshooting, upgrades, project delivery, DR, and compliance activities.

- Support and deliver internal knowledge transfers, technical interviews, and mentoring for upskilling.

- Recommend and implement process/tool improvements for higher efficiency and reliability.

- Champion a culture of ownership, accountability, quality, and continuous learning.

Required Technical Competencies :

- Advanced expertise in RHEL, Linux, and OpenShift/Kubernetes.

- Hands-on automation with Ansible, Shell, Python, and platforms like Red Hat Satellite.

- Mastery of platform security, IAM, RBAC, monitoring, backup/DR, performance tuning, and compliance tooling.

- End-to-end experience with CI/CD, cluster scaling, disaster recovery, and hybrid (on-prem/cloud) design.

- Strong client interaction, documentation, incident, and escalation handling skills.

Profile Highlights :

- Delivers both operational support and strategic project leadership across Linux and container platforms.

- Ownership mindset with readiness to innovate, troubleshoot, and optimize under 24x7/16x5 models.

- Drives continuous service improvement, automation, and knowledge sharing for robust infrastructure delivery.

- This combined profile sets a benchmark for top-tier infrastructure engineers in demanding, modern enterprise settings, ensuring readiness for current and future tech landscapes

(ref:hirist.tech)
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