System Administrator – Server Security & Backup Management (AWS, DigitalOcean, Linode)

Here's a professional Upwork job post you can use: # System Administrator – Server Security & Backup Management (AWS, DigitalOcean, Linode) We are looking for a reliable and experienced System Administrator to take ownership of our server security and backup infrastructure. ### Responsibilities * Monitor and maintain the security of our cloud servers. * Configure, verify, and regularly test backup and disaster recovery procedures. * Manage backups using AWS Snapshots and other backup solutions. * Administer servers hosted on AWS, DigitalOcean, and Linode. * Apply security updates, patches, and system hardening best practices. * Monitor server health, storage, and resource usage. * Investigate and resolve security vulnerabilities and infrastructure issues. * Document backup procedures and recovery processes. * Provide recommendations to improve the security and reliability of our infrastructure. ### Required Skills * Strong Linux system administration experience. * Hands-on experience with: * AWS (EC2, EBS Snapshots, IAM, Security Groups) * DigitalOcean * Linode * Experience implementing backup and disaster recovery strategies. * Strong understanding of server security, firewalls, SSH, VPNs, fail2ban, and access management. * Experience with Python for automation and scripting. * Familiarity with monitoring and alerting tools. * Knowledge of infrastructure best practices and security hardening. ### Nice to Have * Experience with Infrastructure as Code (Terraform or Ansible). * Docker and container management. * CI/CD experience. * Knowledge of compliance and security frameworks. ### About the Role This is an ongoing position. We're looking for someone who will proactively manage our infrastructure, ensure our backups are working correctly, identify potential security risks before they become problems, and help keep our systems secure and reliable. When applying, please include: * A brief summary of your experience with AWS, DigitalOcean, and Linode. * Examples of backup or disaster recovery systems you've implemented. * Any security-related projects you've worked on. * Your availability and time zone.