
Linux & OpenShift Infrastructure Engineer
4 weeks ago
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
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