Linux admin

HCLTech; Cork; Hybrid; EUR 70,000 - 95,000; Full time

Benefits offered by this job

Vacation allowance

Health insurance

Job summary

HCLTech is hiring a Linux Administrator in Cork, Ireland, operating in a hybrid mode with 2 days in the office. The role emphasizes deep Linux expertise and strong Ansible automation to streamline configurations, patching, deployments, and provisioning across large-scale environments.

The ideal candidate has 10+ years of Linux experience, hands-on skills across kernel concepts, filesystems, LVM/RAID, networking, and security hardening, plus modular Ansible playbook development.

Qualifications

• 10+ years of hands-on Linux administration experience.
• Strong knowledge of RHEL/CentOS/Ubuntu/SUSE and kernel concepts.
• Experience designing secure, scalable Linux environments and hardening.

Responsibilities

• Design and manage secure, scalable Linux environments.
• Develop modular, reusable Ansible playbooks and role-based structures.
• Automate configurations, patching, deployments and provisioning.

Skills

Linux internals

System configuration

Linux hardening

Troubleshooting

Filesystems

LVM

RAID

Networking

Boot loaders

Secure Linux

Scalable Linux

Ansible

YAML

Jinja2 templating

Inventory management

Custom Ansible modules

Tools

Ansible

YAML

Jinja2 templating

Inventory management

Custom Ansible modules

Job description

We are a $13+ billion global technology company, home to more than 224,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud, and AI, powered by a broad portfolio of technology services and products.

HCLTech is a globally recognized leader in the Tech and IT industry, but we’ve never forgotten the startup mindset that got us here. We’ve always approached our work with an idea-first attitude because every one of our accomplishments —no matter how big or small —can be traced back to an idea’s single spark.

It’s that spark —that inner drive —that sets our people apart from our competitors. It enables us not just to pull off game-changing feat after game-changing feat but to better our world in the process. We want you to find your spark. Because that’s what drives you to be better, be more and ultimately, be more fulfilled.

To learn more about how we can supercharge progress for you, visit www.hcltech.com

Job Title: Linux admin

Location: Cork, Ireland (Hybrid mode- 2 Days work from Office)

Job Summary: Linux+Ansible

1. Core Linux Expertise (10+ years expected)

Look for strong, hands‑on capability in:

• Deep understanding of Linux internals (process management, memory, storage, kernel concepts).
• Expertise in system configuration & hardening across RHEL/CentOS/Ubuntu/SUSE.
• Strong troubleshooting skills
• Experience managing filesystems, LVM, RAID, networking, boot loaders.
• Capability to design and manage secure, scalable Linux environments.

2. Ansible Expertise (5+ years expected)

Candidate should be strong in:

• Writing modular, reusable playbooks and role-based structures.
• Deep understanding of YAML, Jinja2 templating, and inventory management.
• Creating custom Ansible modules, filters, or plugins (optional but strong plus).
• Managing large-scale automation of:
• configurations
• patching
• deployments
• infra provisioning

Benefits

• A supportive, diverse, and global team with a brilliant culture.
• Competitive compensation and benefits that includes vacation per year, various insurances like Term life and Business Travel insurance. These are apart from the statutory benefits applicable in the country. Employee benefits are regulated by an internal policy that contains full details regarding the entitlement and conditions for the benefits as per the law of the land.
• Great opportunities to make the role your own, upskill yourself and get involved with exciting projects.
• Total Wellbeing is our focus. Alongside your professional excellence, you join the likeminded colleagues to create a larger impact within the company and society at large in your chosen area of passion - CSR Council, Diversity Council, Women Connect, Sparks – Engagement Champion to name a few.
• To know more about us visit – www.hcltech.com
• For more information on how we process your personal data, please refer to HCLTech’s Candidate Data Privacy Notice.