System Engineer (Carbonio CE / Zimbra)

This is a remote position.

1. CarbonioCE Deployment:
   

• Install, configure, and deploy CarbonioCE on Linux-based servers.
  

• Set up and integrate required components (PostgreSQL, Redis, Nginx, Docker, etc.).
  

• Configure email protocols (SMTP, IMAP, CalDAV, CardDAV) and ensure interoperability with existing systems.
  

2. Infrastructure Automation:
   

• Automate deployment and configuration using Infrastructure as Code (IaC) tools like Ansible or Terraform.
  

• Implement containerized workflows (Docker) for scalable and reproducible deployments.
  

3. Security and Compliance:
   

• Configure email security protocols (SPF, DKIM, DMARC) and SSL/TLS certificates.
  

• Ensure compliance with data privacy standards (GDPR, etc.).
  

4. Collaboration with Existing Team:
   

• Work alongside the System Administrator to troubleshoot and optimize server performance.
  

• Document processes and provide knowledge transfer to the internal team.
  

5. Monitoring and Maintenance:
   

• Set up monitoring tools (e.g., Prometheus, Grafana) to track server health, email delivery, and user activity.
  

• Perform regular updates, backups, and disaster recovery planning.
  

6. User Management:
   

• Configure LDAP/Active Directory integration for user authentication.
  

• Manage mailboxes, domains, and access controls within CarbonioCE.
  

Requirements

• Must-Have:
  

• 3+ years of hands-on experience with Linux server administration (Ubuntu/CentOS/RHEL).
  

• Proficiency in deploying and managing email/collaboration platforms (e.g., CarbonioCE, Zimbra, Open-Xchange, or similar).
  

• Experience with Docker and containerized application deployment.
  

• Strong scripting skills (Bash, Python) for automation.
  

• Knowledge of email protocols (SMTP, IMAP), security practices (SPF, DKIM), and networking (DNS, firewalls).
  

• Nice-to-Have:
  

• Familiarity with CarbonioCE’s architecture and components.
  

• Experience with Infrastructure as Code (IaC) tools like Ansible or Terraform.
  

• Basic understanding of relational databases (PostgreSQL/MySQL).
  

• Certifications: Linux (RHCE, LPIC), DevOps (AWS, Docker, Kubernetes), or email security.