Senior System Administrator

Role & responsibilities

• a)Install, configure, and maintain operating systems (Linux, Windows, etc.)
• b) Set up and manage server environments, including web servers, database servers, file servers, and mail servers.
• c) Configure and maintain user accounts, permissions, and access rights based on
• organizational policies.

d) Perform the deployment of PHP and Java applications on servers, ensuring proper configuration, optimization, and seamless integration with the existing infrastructure for reliable operation.

• e) Monitor system performance and ensure optimal uptime and availability.
• f) Regularly apply software patches, updates, and upgrades to maintain system security and stability.
• g) Set up and manage containerization technologies (Docker, Kubernetes) for
• streamlined application deployment and orchestration.
• h) Build and maintain CI/CD pipelines to automate the software delivery lifecycle (build, test, deploy).
• i) Implement monitoring tools and dashboards to track application performance,
• infrastructure health, and resource utilization.
• j) Conduct regular system audits to identify and address potential issues.
• k) Maintain backups of critical data and systems to ensure disaster recovery readiness.
• l) Implement and enforce system and network security measures, including firewalls, intrusion detection, and prevention systems.
• m) Monitor for unauthorized access, vulnerabilities, and threats.
• n) Ensure compliance with data protection regulations and organizational policies.
• o) Perform regular security audits and implement corrective actions as needed.
• p) Provide technical support to users for system-related issues.
• q) Develop and maintain scripts to automate routine administrative tasks.
• r) Optimize system performance through resource allocation, configuration tuning, and process improvement.
• s) Work closely with other teams (DevOps, DBA, Developers) to support infrastructure and application needs.
• t) Communicate technical concepts effectively to both technical and non-technical
• stakeholders.
• u) Provide onsite or remote support as required, including during non-standard hours to address critical issues or maintenance tasks.
• v) Be available for on-call support for system emergencies.
• w) Coordinate with Cloud Team for server provisioning, allocation, and re-allocation of resources and security related issues.