Senior Linux

7 days ago

Singapore LYNEER CORP (SINGAPORE) PTE. LTD. Full time

Linux System Administration:

- Install, configure, and maintain Linux servers (CentOS, Ubuntu, Red Hat, etc.) and ensure high availability, security, and performance.
- Perform regular system updates, patching, and upgrades.
- Manage user permissions, file systems, and configurations in multi-server environments.
- Troubleshoot and resolve complex issues related to Linux systems.
- Monitor container performance and resolve issues related to container orchestration and networking.
- Integrate Docker with Continuous Integration/Continuous Deployment (CI/CD) pipelines.
- Automation & Scripting:

- Automate tasks and processes using shell scripting, Python, or other automation tools.
- Develop and maintain scripts for monitoring, reporting, and system health checks.
- Monitoring & Performance Tuning:

- Implement and configure monitoring tools to track server performance and container health.
- Security & Compliance:

- Implement and enforce security best practices on Linux systems and Docker containers.
- Manage firewalls, access control lists (ACLs), VPNs, and other security protocols to ensure the integrity of the environment.
- Conduct regular security audits and ensure compliance with industry standards.
- Collaboration & Support: o Work closely with development, DevOps, and infrastructure teams to ensure smooth deployments.
- Provide technical support and mentorship to junior administrators and other team members.
- Assist with troubleshooting and resolving issues within the production environment.

Qualifications:

- Experience:

- 10+ years of hands-on experience with Linux system administration (Ubuntu, CentOS, RHEL).
- Extensive experience with Docker containerization and orchestration tools (Docker Compose, Kubernetes, etc.).
- Familiarity with cloud platforms like AWS, Azure, or Google Cloud.
- Experience in setting up and managing CI/CD pipelines.
- Skills & Expertise: o Strong knowledge of shell scripting, Python, or other automation tools.
- Expertise in configuring and managing databases, networking, and storage solutions in a Linux environment.
- Hands-on experience with monitoring tools (e.g., Nagios, Prometheus, Grafana, etc.).
- Familiarity with system logging and log management tools (e.g., ELK stack, Splunk).
- Certifications (preferred):

- Linux-related certifications (RHCE, LPIC, etc.).
- Docker Certified Associate (DCA) or other container-related certifications.
- Kubernetes or cloud certifications are a plus.
- Personal Attributes:

- Strong problem-solving and analytical skills.
- Ability to thrive in a fast-paced, high-pressure environment.
- Excellent communication skills, both written and verbal.
- Team player with a collaborative mindset.

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