L2 Linux Specialist

Key Responsibilities:

• Kubernetes and OpenShift Management:
• Design, deploy, and manage containerized applications using Kubernetes and Red Hat OpenShift.
• Configure and optimize Kubernetes clusters for high availability, scalability, and reliability.
• Work with CI/CD pipelines, integrate automated testing, and deploy code into Kubernetes/Openshift clusters.
• Linux Administration:
• Maintain, troubleshoot, and configure Linux servers (RedHat, CentOS, Ubuntu).
• Implement and manage system monitoring and logging tools to ensure optimal system performance.
• Perform server hardening, security patching, and automate system updates.
• DevOps Automation & CI/CD:
• Design and implement continuous integration and continuous deployment (CI/CD) pipelines using tools like Jenkins, GitLab CI, or other automation tools.
• Create and manage automated scripts for building, testing, and deployment of applications.
• Automate infrastructure provisioning using tools like Terraform, Ansible, or Helm.
• Cloud Infrastructure:
• Work with cloud providers such as AWS, GCP, or Azure to manage and scale infrastructure.
• Automate provisioning and scaling of cloud resources (e.g., EC2, VMs, storage).
• Collaboration & Support:
• Collaborate with software development teams to streamline deployment processes and enhance application performance.
• Provide 24/7 support for production environments and on-call troubleshooting when required.
• Analyze and resolve issues related to system performance, security, and outages.

Required Skills & Qualifications:

• Linux Expertise:
• Strong experience with Linux systems administration (Red Hat, CentOS, Ubuntu).
• Experience managing package managers (RPM, YUM, DNF).
• Knowledge of shell scripting (Bash, Python, etc.) for automation.
• Kubernetes & OpenShift:
• Hands-on experience with Kubernetes clusters, management, scaling, and troubleshooting.
• Experience deploying and managing applications on Red Hat OpenShift.
• Familiarity with Helm charts and OpenShift templates for application deployment.
• DevOps Tooling:
• Proficiency in CI/CD tools (Jenkins, GitLab CI, or similar).
• Familiarity with Infrastructure as Code (IaC) tools like Terraform or Ansible.
• Experience with Git version control systems and automated workflows.
• Cloud and Virtualization:
• Experience working with cloud platforms like AWS, GCP, or Azure.
• Understanding of virtual machines, containers, and cloud-native technologies.
• Monitoring & Logging:
• Familiarity with monitoring tools (Prometheus, Grafana, ELK stack).
• Experience with log aggregation and management tools (e.g., Fluentd, Logstash).
• Security & Networking:
• Knowledge of security best practices in containerized environments.
• Familiar with networking concepts (DNS, Load balancing, VPNs, firewalls) and container networking.

Preferred Qualifications:

• Certification in Kubernetes (CKA, CKAD).
• Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE).
• Familiarity with Docker and containerization technologies.
• Experience with service mesh technologies like Istio.

Personal Attributes:

• Strong problem-solving skills and ability to troubleshoot complex technical issues.
• Excellent communication and collaboration skills.
• Ability to work independently and in a team-oriented environment.
• Passion for continuous learning and staying up-to-date with emerging technologies.