L2 Linux Specialist

2 days ago

Chennai, India L&T-Cloudfiniti Full time

Job Location

Chennai/Kanchipuram/Panvel


Roles & 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.


EDUCATIONAL QUALIFICATIONS: (degree, training, and certification required)

  • BE/B-Tech or equivalent with Computer Science/IT or Electronics & Communication


Relevant Experience & Certifications

  • 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.
  • 7yrs+ Experience in Linux

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