Linux Administrator

Capgemini; Singapore; On-site; SGD 100,000 - 190,000; Full time

Job summary

Capgemini Singapore is seeking an experienced Linux Administrator to lead migration of OpenShift clusters from VMware to baremetal infrastructure. You will design scalable cluster architectures, develop automation, and ensure secure, high-availability Linux environments aligned with Oracle deployments.

The role requires hands-on OCP, Linux administration, and experience with automation tools. You will collaborate with DBAs and application teams on deployments and migrations in a dynamic, global

Qualifications

• 5+ years of experience in Linux system administration (RHEL/CentOS preferred).
• 3+ years of hands-on experience with OpenShift Container Platform (OCP).
• 3+ years of experience with automation tools (Ansible, Terraform or similar).
• Strong knowledge of baremetal server provisioning and cluster engineering.
• Experience with networking concepts TCP/IP, VLAN, DNS, firewalls.
• Familiarity with Oracle databases in Linux environments; Oracle integration recommended.
• RHCE or equivalent certification is advantageous.
• Experience with VMware virtualization and migration strategies; Kubernetes knowledge is a plus.

Responsibilities

• Lead and execute migration of OCP clusters from VMware to baremetal infrastructure.
• Design and implement scalable, secure baremetal cluster architecture.
• Develop automation scripts for deployment and configuration management.
• Install, configure and maintain Unix/Linux servers (RHEL).
• Collaborate with DBAs to support Oracle deployments and migrations.
• Create technical documentation for migration processes and DR practices.
• Establish best practices for cluster management and disaster recovery.

Skills

Linux administration

OpenShift

Automation

Networking

Oracle DB

RHCE

Kubernetes

Baremetal provisioning

Tools

VMware

Ansible

Terraform

Job description

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2023 global revenues of €22.5 billion.

Role Overview:

We are seeking an experienced Linux Administrator with proven expertise in OpenShift Container Platform OCP migration from VMware virtual machines to baremetal servers The ideal candidate will have strong skills in baremetal cluster engineering advanced Linux administration and a solid understanding of networking and Oracle environments

Key Responsibilities

• Lead and execute migration of OCP clusters from VMware virtualized environments to baremetal infrastructure
• Design and implement baremetal cluster architecture ensuring scalability performance and security
• Develop automation scripts and tools for deployment and configuration management
• Install configure and maintain Unix Linux servers RHEL
• Manage and maintain enterprise grade Linux systems RHEL preferred
• Perform system hardening patching and troubleshooting for high availability environments
• Optimize system performance and resource utilization
• Collaborate with application teams to support deployments upgrades and system migrations
• Configure and manage network components for baremetal clusters switches VLANs routing
• Ensure secure and efficient network connectivity between OCP clusters and enterprise systems
• Support Oracle database deployments and integrations within Linux and OCP environments
• Collaborate with DBAs to ensure optimal performance and reliability
• Create detailed technical documentation for migration processes architecture designs and operational procedures
• Establish best practices for cluster management and disaster recovery

Technical Expertise

• 5 years of experience in Linux system administration RHELCentOS preferred
• 5 years of hands-on experience in Unix Linux system administration
• 3 years of hands-on experience with OpenShift Container Platform
• 3 years of experience in automation"
• Proven hands-on experience with OpenShift Container Platform OCP including cluster setup and migration.
• Strong knowledge of baremetal server provisioning and cluster engineering
• Proficiency in networking concepts TCPIP VLAN DNS firewalls
• Familiarity with Oracle database environments and integration on Linux
• Experience with Ansible Terraform or similar automation toolsKnowledge of VMware virtualization and migration strategies
• Red Hat Certified Engineer RHCE or equivalent
• Experience with Kubernetes and container orchestration beyond OCP
• Exposure to enterprise security and compliance standards

Let's talk about what's in it for you!

Passionate people are Capgemini's Ace of Spades - join us to discover a career that will challenge, support and inspire you. Working at Capgemini you'll find the rewards are more than just financial. You will work alongside some very smart and inspiring people on exciting projects and you will also enjoy incredible benefits. We offer flexible work practices and 40 hours of self-development every year with a huge selection of learning opportunities to choose from.

As "Architects of Positive Futures", Capgemini actively supports the community in 3 ways:

Diversity and Inclusion - we believe diversity of thought fuels excellence and innovation, which is why we positively encourage applications from suitably qualified candidates regardless of their gender identity, ethnicity, sexual orientation, religion, ability, intersex status or age. To support our commitment to diversity and inclusion, we celebrate special events and days of significance that are important to our employees such as Diwali, Bastille Day, Pride, IDAHOBIT, IWD and International day of people with Disabilities. Our Employee Resource Groups Women@Capgemini and OutFront support the grassroots passion of employees to drive our diversity agenda and effect change.

Digital inclusion - at Capgemini we are using our skills to drive social impact initiatives focusing on helping society address the impact of the digital and automation revolution. We also provide employees with opportunities to give back to the community through charity projects and volunteer days.

Environmental Sustainability - Capgemini joined the CDP's (Carbon Disclosure Project) prestigious "A list" for its commitment to the Net-Zero economy. We are focusing on helping our clients transform towards more sustainable business models and committing to reduce our own carbon emissions (GHG) by 20% per employee by 2020.

Recognized by Ethisphere as one of the World's Most Ethical Companies for the last 8 years in a row, ethics and values are at the heart of Capgemini's corporate culture and business. Embedded in our DNA, our seven values - Honesty, Boldness, Trust, Team Spirit, Freedom, Fun and Modesty - have remained the same since company inception in 1967. To see how we bring these values to life, click here to listen to some of our employee’s stories.

Come join us, bring your whole self to work, create new possibilities for you, your customers and your community and help us to be Architects of Positive Futures.