OPENSOURCE PTE. LTD.
Senior Linux & Docker Administrator
OPENSOURCE PTE. LTD., West Islip, New York, United States
Key Responsibilities
Linux System Administration
Install, configure, and maintain Linux servers (CentOS, Ubuntu, Red Hat, etc.) ensuring 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 Linux-related issues. Docker Administration
Design, deploy, and maintain Docker containers across environments for efficient and scalable deployments. Manage containerized applications, create and optimize Dockerfiles and Docker images. Monitor container performance and resolve orchestration/networking issues. Integrate Docker into CI/CD pipelines. Automation & Scripting
Automate tasks using shell scripting, Python, or similar tools. Develop and maintain scripts for monitoring, reporting, and health checks. Monitoring & Performance Tuning
Implement and configure monitoring tools for tracking server and container performance. Proactively identify and resolve performance bottlenecks. Security & Compliance
Enforce security best practices for Linux systems and Docker containers. Manage firewalls, ACLs, VPNs, and other security protocols. Conduct regular audits and ensure industry-standard compliance. Collaboration & Support
Collaborate with development, DevOps, and infrastructure teams for smooth deployments. Provide technical support and mentorship to junior team members. Troubleshoot and resolve production environment issues. Qualifications
Experience
10+ years of hands-on experience in Linux system administration (Ubuntu, CentOS, RHEL). Strong experience with Docker and container orchestration tools (Docker Compose, Kubernetes). Familiarity with cloud platforms (AWS, Azure, GCP). Experience in CI/CD setup and management. Skills & Expertise
Proficient in shell scripting, Python, or other automation tools. Solid understanding of networking, storage, and database configuration in Linux environments. Experience with monitoring tools (Nagios, Prometheus, Grafana). Familiarity with log management (ELK stack, Splunk). Certifications (Preferred)
RHCE, LPIC, or other Linux certifications. Docker Certified Associate (DCA). Kubernetes or cloud-related certifications (AWS, Azure, GCP). Personal Attributes
Strong analytical and problem-solving skills. Ability to work under pressure in fast-paced environments. Excellent verbal and written communication skills. Collaborative team player with a proactive mindset.
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Linux System Administration
Install, configure, and maintain Linux servers (CentOS, Ubuntu, Red Hat, etc.) ensuring 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 Linux-related issues. Docker Administration
Design, deploy, and maintain Docker containers across environments for efficient and scalable deployments. Manage containerized applications, create and optimize Dockerfiles and Docker images. Monitor container performance and resolve orchestration/networking issues. Integrate Docker into CI/CD pipelines. Automation & Scripting
Automate tasks using shell scripting, Python, or similar tools. Develop and maintain scripts for monitoring, reporting, and health checks. Monitoring & Performance Tuning
Implement and configure monitoring tools for tracking server and container performance. Proactively identify and resolve performance bottlenecks. Security & Compliance
Enforce security best practices for Linux systems and Docker containers. Manage firewalls, ACLs, VPNs, and other security protocols. Conduct regular audits and ensure industry-standard compliance. Collaboration & Support
Collaborate with development, DevOps, and infrastructure teams for smooth deployments. Provide technical support and mentorship to junior team members. Troubleshoot and resolve production environment issues. Qualifications
Experience
10+ years of hands-on experience in Linux system administration (Ubuntu, CentOS, RHEL). Strong experience with Docker and container orchestration tools (Docker Compose, Kubernetes). Familiarity with cloud platforms (AWS, Azure, GCP). Experience in CI/CD setup and management. Skills & Expertise
Proficient in shell scripting, Python, or other automation tools. Solid understanding of networking, storage, and database configuration in Linux environments. Experience with monitoring tools (Nagios, Prometheus, Grafana). Familiarity with log management (ELK stack, Splunk). Certifications (Preferred)
RHCE, LPIC, or other Linux certifications. Docker Certified Associate (DCA). Kubernetes or cloud-related certifications (AWS, Azure, GCP). Personal Attributes
Strong analytical and problem-solving skills. Ability to work under pressure in fast-paced environments. Excellent verbal and written communication skills. Collaborative team player with a proactive mindset.
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