L2 Linux Specialist

Key Responsibilities:

Kubernetes and OpenShift Management:

o Design, deploy, and manage containerized applications using Kubernetes and Red Hat OpenShift.

o Configure and optimize Kubernetes clusters for high availability, scalability, and reliability.

o Work with CI/CD pipelines, integrate automated testing, and deploy code into Kubernetes/Openshift clusters.

Linux Administration:

o Maintain, troubleshoot, and configure Linux servers (RedHat, CentOS, Ubuntu).

o Implement and manage system monitoring and logging tools to ensure optimal system performance.

o Perform server hardening, security patching, and automate system updates.

DevOps Automation & CI/CD:

o Design and implement continuous integration and continuous deployment (CI/CD) pipelines using tools like Jenkins, GitLab CI, or other automation tools.

o Create and manage automated scripts for building, testing, and deployment of applications.

o Automate infrastructure provisioning using tools like Terraform, Ansible, or Helm.

Cloud Infrastructure:

o Work with cloud providers such as AWS, GCP, or Azure to manage and scale infrastructure.

o Automate provisioning and scaling of cloud resources (e.g., EC2, VMs, storage).

Collaboration & Support:

o Collaborate with software development teams to streamline deployment processes and enhance application performance.

o Provide 24/7 support for production environments and on-call troubleshooting when required.

o Analyze and resolve issues related to system performance, security, and outages.

Required Skills & Qualifications:

Linux Expertise:

o Strong experience with Linux systems administration (Red Hat, CentOS, Ubuntu).

o Experience managing package managers (RPM, YUM, DNF).

o Knowledge of shell scripting (Bash, Python, etc.) for automation.

Kubernetes & OpenShift:

o Hands-on experience with Kubernetes clusters, management, scaling, and troubleshooting.

o Experience deploying and managing applications on Red Hat OpenShift.

o Familiarity with Helm charts and OpenShift templates for application deployment.

DevOps Tooling:

o Proficiency in CI/CD tools (Jenkins, GitLab CI, or similar).

o Familiarity with Infrastructure as Code (IaC) tools like Terraform or Ansible.

o Experience with Git version control systems and automated workflows.

Cloud and Virtualization:

o Experience working with cloud platforms like AWS, GCP, or Azure.

o Understanding of virtual machines, containers, and cloud-native technologies.

Monitoring & Logging:

o Familiarity with monitoring tools (Prometheus, Grafana, ELK stack).

o Experience with log aggregation and management tools (e.g., Fluentd, Logstash).

Security & Networking:

o Knowledge of security best practices in containerized environments.

o 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.