Linux Principal Engineer II - ICON

Expleo; Chennai; Hybrid; INR 1,500,000 - 2,100,000; Full time

Job summary

Expleo in Chennai seeks a Linux Principal Engineer II to provide senior technical leadership across the design, implementation, and support of enterprise Linux platforms. You will own architecture decisions, drive platform modernization, and ensure reliability and security in on‑prem and hybrid cloud environments.

The role requires deep expertise in Linux systems, GPFS, and container platforms such as OpenShift/Kubernetes, with a focus on automation, performance tuning, and scalable

Qualifications

• Extensive experience in Linux system engineering and administration.
• Expertise with IBM Spectrum Scale (GPFS) including design and performance tuning.
• Strong OpenShift/Kubernetes cluster management and container orchestration.
• Scripting and automation using Bash, Python, Ansible, or Terraform.

Responsibilities

• Serve as technical lead for architecture, design decisions and delivery.
• Design, implement, and maintain scalable Linux environments on‑prem and hybrid cloud.
• Administer IBM Spectrum Scale for high‑performance storage.
• Deploy and manage OpenShift/Kubernetes for secure application delivery.
• Ensure stability, performance, availability and data integrity across Linux infra.
• Lead security hardening, patching, and compliance initiatives.
• Drive automation to reduce risk and manual effort.

Skills

Linux systems

GPFS

OpenShift

Kubernetes

Scripting

Automation

Networking

HA/DR

Security hardening

Terraform

Job description

Overview

Exp: 6 to 8 Years

We are seeking a highly skilled Linux Principal Engineer II to provide senior technical leadership in designing, implementing, and supporting enterprise-grade Linux platforms. This role is critical to maintaining the reliability, scalability, and security of infrastructure that underpins business-critical services. The successful candidate will bring deep expertise in Linux systems, IBM Spectrum Scale (GPFS), and Red Hat OpenShift/Kubernetes, and will play a key role in driving innovation, operational excellence, and platform modernization.

Responsibilities

Key Responsibilities

Serve as the technical lead for business-critical projects, owning architecture, design decisions, and successful delivery.

Design, implement, and maintain highly available, scalable Linux environments across on-premises and hybrid cloud platforms.

Administer and optimise IBM Spectrum Scale (GPFS) for high-performance, distributed storage and data management.

Deploy, manage, and enhance container platforms using OpenShift/Kubernetes, ensuring secure and efficient application delivery.

Ensure system stability, performance, availability, and data integrity across all Linux-based infrastructure.

Develop and implement security hardening standards, ensuring compliance with organizational and industry best practices.

Lead troubleshooting and root cause analysis for complex system and performance issues in distributed environments.

Drive automation initiatives using scripting and infrastructure-as-code to improve efficiency and reduce operational risk.

Collaborate with application, DevOps, security, and infrastructure teams to align platform capabilities with business needs.

Establish and enforce engineering standards, best practices, and documentation.

Mentor and provide technical guidance to engineers, fostering skill development and knowledge sharing.

Qualifications

Required Qualifications:

Extensive experience in Linux system engineering and administration (e.g., RHEL, CentOS, Oracle Linux, or equivalent).

Proven expertise with IBM Spectrum Scale (GPFS), including design, deployment, and performance tuning.

Strong experience with OpenShift and Kubernetes, including cluster management and container orchestration.

Deep understanding of system performance tuning, monitoring, and capacity planning.

Experience implementing security hardening, patching strategies, and compliance frameworks.

Strong scripting and automation skills (e.g., Bash, Python, Ansible, Terraform).

Solid networking knowledge (TCP/IP, DNS, load balancing, firewalls).

Experience with high-availability and disaster recovery architectures.

Demonstrated ability to lead complex technical projects and influence architectural decisions.

Key Competencies:

Strong problem-solving and analytical skills.

Excellent communication and stakeholder management abilities.

Leadership mindset with the ability to drive initiatives and mentor teams.

Proactive approach to continuous improvement and innovation.

Ability to perform effectively in fast-paced, high-impact environments.

Summary:

This role is ideal for a seasoned Linux engineer who thrives in complex environments and is passionate about building resilient, scalable platforms. As a Linux Principal Engineer II, you will play a pivotal role in shaping the infrastructure strategy while acting as a trusted technical leader for mission-critical initiatives.

Essential skills

Preferred Qualifications:

Experience with hybrid or multi-cloud environments (e.g., Azure, AWS, GCP).

Familiarity with CI/CD pipelines and DevOps practices.

Knowledge of enterprise monitoring and logging tools (e.g., Prometheus, Grafana, ELK stack).

Relevant certifications (e.g., RHCE, RHCA, CKA, or equivalent).