Linux Principal Engineer II - ICON

Role overview

Linux Principal Engineer II - ICON at Expleo

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

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.

Responsibilities

• 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.

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 and skills

• 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).

Employment details

• Location: Chennai [India]

Additional role details

• 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.