Senior System Engineer

About the role

Oracle Cloud Infrastructure (OCI) is seeking a Senior System Engineer to support its Sovereign Cloud operations in Singapore. The role involves ensuring the reliability, performance, and security of cloud infrastructure that serves government and classified workloads.

Key responsibilities

• Install, configure, and maintain operating systems, servers, middleware, cloud infrastructure, applications, and hardware.
• Perform system administration tasks such as backups, capacity planning, performance monitoring, optimization, auditing, and provisioning.
• Use monitoring tools and dashboards to detect issues, improve efficiency, and maintain service performance.
• Manage identity and access controls, including user permissions, activity monitoring, and provisioning.
• Monitor and manage batch processes with schedulers to meet SLA requirements.
• Apply patches and updates to address security vulnerabilities and performance issues.
• Maintain system security across compute, storage, file systems, and privileged accounts in line with compliance standards.
• Support incident management, troubleshoot issues, and assist with corrective and preventive actions.
• Collaborate with internal teams and vendors to resolve system issues and ensure high availability.
• Perform backup, restore, disaster recovery activities and participate in recovery drills.
• Support cloud operations through CI/CD pipelines, automation, and system optimization.

Required profile

• Singapore citizenship (required for government project clearance).
• 8+ years of experience in network administration, systems architecture, database management, or related fields.
• Strong knowledge of operating system installation, configuration, maintenance, and troubleshooting.
• Experience with performance tuning, systems integration, and supporting technology projects.
• Ability to produce clear technical documentation.
• Understanding of cloud deployment, management, and security.
• Proficiency in scripting to automate tasks and improve reliability.

Required skills

• Operating systems (Linux, Windows)
• Performance tuning and optimization
• Systems integration
• Cloud platforms (OCI)
• Scripting languages (e.g., Bash, PowerShell)
• CI/CD pipelines
• Backup and disaster recovery tools
• Monitoring tools and dashboards
• Identity and access management
• Batch scheduling systems