Sr. Systems and Infrastructure Engineer

” The Job Description”

• Install and configure Linux systems (e.g., Ubuntu, CentOS, RHEL).
• Manage users, groups, and permissions.
• Perform backup and recovery tasks.
• Monitor performance using tools like Nagios, Zabbix, or Prometheus.
• Automate tasks using Shell / Bash scripts or Ansible.
• Database Cluster Management : Set up and manage distributed databases such as PostgreSQL Cluster, MySQL Galera Cluster, MongoDB Replica Set.
• Ensure high availability and replication.
• Monitor database performance and optimize configurations.
• DevOps & CI / CD : Build and maintain CI / CD pipelines using tools like Jenkins, GitLab CI, or GitHub Actions.
• Automate deployment and update processes.
• Integrate with monitoring and logging tools like ELK Stack or Grafana.
• Docker & Container Orchestration : Create and manage Docker containers for applications and services.
• Use Docker Compose or Kubernetes for container orchestration.
• Secure containers and define resource limits (CPU / Memory).
• Cloud Administration : Manage cloud infrastructure such as AWS, Azure, or GCP.
• Configure cloud-based storage, networks, and databases.
• Use Infrastructure as Code (IaC) tools like Terraform or CloudFormation.
• Data Center Management : Monitor and test hardware (servers, UPS, switches, firewalls).
• Set up virtualization environments using VMware, Proxmox, or KVM.
• Coordinate with maintenance and cooling teams to ensure service continuity.
• Network Security : Configure firewalls such as iptables, UFW, or pfSense.
• Monitor intrusion attempts and analyze logs.
• Implement data encryption, access control, and periodic security updates.

Requirements :

Preferred certifications include :

1. RHCE / RHCSA (Red Hat).

2. AWS Certified SysOps Administrator.

3. Docker Certified Associate.

4. Kubernetes CKA / CKAD.

5. CompTIA Security+ / CEH .

Tagged as : centos , KVM , mysql , nagios , proxmox , rhel , ubuntu , vmware , zabbix

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