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Expleo - Principal Engineer II - Linux System Administration

Expleo Solutions
6 - 8 Years
Chennai

Posted on: 16/10/2026

Job Description

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.

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)

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