Systems Administrator (Unix/Linux)

Scope of Work

• Plan, design, install, configure, secure, maintain, and support all Linux infrastructure systems i.e. servers and storage
• Analyze, monitor the resource utilization, and tune the performance of the operating system and associated components
• Develop, validate, and implement an overall strategy to patch server environments including security updates on a regular schedule
• Assist the network security team in monitoring operating system security, apply strong security policies and intrusion detection setup
• Ensure that all changes to the environment adheres to established Change Management policies and procedures
• Maintain disaster recovery configurations for /Linux systems, perform periodic disaster recovery test for these platforms and maintain disaster recovery documentation and procedures in support of these systems.
• Perform file systems backup and test recovery plans using Symantec NetBackup
• Administer, monitor, and troubleshoot HA server environment run on Oracle Exadata
• Provide technical assistance to application database administrators and system administrators for configuration and integration of database and application components
• Evaluate new systems and applications requirements regarding the compatibility and performance related to the operating system environment
• Setup and monitor the scheduled batch jobs
• Setup and monitor system alerts to provide 24x7 support and high availability
• Liaise with Oracle, and other vendors to troubleshoot technical issues
• Follow communications protocol for system failures/outages and file incident reports
• Escalate major hardware/software problems to senior IT staff
• Respond to Service Desk tickets for technical support ensuring timely follow up and resolution
• Prepare system configurations and management/support documentation and provide training and knowledge transfer to other team members as needed
• Maintain inventory of UNIX/Linux hardware and software assets
• Available to work after hours and weekends as needed

• Preferably 6-8 years' experience as an Oracle Linux system administrator managing a large scale of UNIX environment
• Working knowledge to install, configure & troubleshoot: Linux\Unix operating systems LDOMS, zfs file systems, and zones on prem and different cloud services environments
• Experience in Shell scripting
• Experience in supporting and troubleshooting networking services and protocols to support Linux\Unix environment i.e. TCP/IP, SMTP, SNMP, SSL, SFTP, HTTP, NIS, DNS, NFS, LDAP, SSH, Sendmail, etc.
• Working knowledge of configuring and managing Oracle virtual technology: LDOMS, Zones/containers
• Experience in supporting Oracle Applications Server, WebLogic, and Oracle RDBMS in/Linux operating systems
• Experience in configuring and managing Oracle Storage Area Network (SAN), Oracle Automatic Storage Management (ASM), and Oracle Cluster File System (OCFS)
• Experience in Symantec NetBackup and VEEAM for file systems backup and recovery plans
• Knowledge of approaches, tools and techniques for recognizing and resolving technical (hardware, software, application) problem

• Strong interpersonal skills, problem solving skills, customer service and interpersonal skills

• Ability to communicate with different levels of the organization
• Strong team player with service-oriented attitude and customer focus