Sr. Systems and Infrastructure Engineer

Total-TECH Co

The Job Description

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

• Bachelor s degree in computer engineering, Computer Science, or related field.
• Minimum of 5 years of experience in systems and infrastructure management.
• Operating Systems: Linux (RHEL, Ubuntu, CentOS).
• Databases: PostgreSQL, MySQL, MongoDB.
• DevOps Tools: Git, Jenkins, Ansible, Terraform.
• Containers: Docker, Docker Compose, Kubernetes.
• Cloud: AWS / Azure / GCP.
• Networking: TCP/IP, VPN, VLANs, Firewalls, IDS/IPS.
• Monitoring Tools: Prometheus, Grafana, ELK Stack .
• Strong problem-solving and analytical skills.
• Time management and multitasking abilities.
• Teamwork and ability to work under pressure.
• Proactive thinking and incident response readiness.
  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