System Administration

• Strong expertise in PostgreSQL administration, including replication, backup strategies, and performance tuning.
• Experience deploying PERN stack applications in a cloud or on-premises environment.
• Knowledge of CI/CD tools like GitHub actions, Azure DevOps pipelines, or Ansible for automation.
• Scripting and automation experience with Bash, Python, PowerShell, or similar scripting.

NICE TO HAVE SKILLS:

• Prior experience in IT infrastructure, DevSecOps, or SRE roles.
• Proficiency in Linux app and database server administration, with experience such as Ubuntu or RHEL.
• Understanding network security, firewalls, VPNs, and SSH hardening.
• Knowledge of OpenID Connect (OIDC) or LDAP and IAM tools such as Entra ID, Okta, Active Directory, or centralized authentication mechanisms.
• Familiarity with virtualization platforms (VMware or Hyper-V).

Key Responsibilities:

• Platform Administration & Maintenance
  • Manage and optimize PostgreSQL databases, including backups, replication, indexing, and query performance tuning.
  • Deploy, configure, and maintain Express.js, React, and Node.js applications on Linux virtual machines. This includes NGINX and PM2 platforms.
  • Oversee on-premises system infrastructure, ensuring high availability and performance.
  • Implement and maintain CI/CD pipelines for automated deployments.
  • Troubleshoot and resolve system, application, and network issues.
• Security & Operations
  • Review system hardening, data encryption, and access control policies align with security best practices.
  • Work with other teams to monitor vulnerabilities and apply security patches and updates.
  • Assist in defining firewall rules, intrusion detection, and role-based access control (RBAC).
  • Review compliance with data governance and regulatory requirements.
  • Ensure proper backup, disaster recovery, and redundant configurations.
• Support & Documentation
  • Provide technical support for platform-related issues and troubleshooting.
  • Maintain clear documentation for deployments, configurations, and troubleshooting guides.
  • Train and support developers and IT staff in the best practices and operational procedures