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Linux & OpenShift Infrastructure Engineer

Kuber & CompanyMumbai

26 days ago

Job description

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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