Systems Administrator

2 weeks ago

New York, NY, United States Yale University Full time
Job Title: Systems Administrator (Unix/Linux)

Duration: 12 Months

Location: New York,NY

Key responsibilities:
  • The Systems Administrator is responsible for managing and maintaining all Oracle Unix/Linux infrastructure systems. Day to day work includes interactions with Oracle DBA and WebLogic Systems Administrators to ensure that systems are up and running smoothly.
  • 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
Required Qualification:
  • 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) problems
  • Strong interpersonal skills, problem solving skills, customer service and interpersonal skills
  • Ability to multitask and perform in a high-paced/high-pressure environment
  • Ability to work independently or within a group to solve complex problems.
  • Ability to communicate with different levels of the organization
  • Strong team player with service-oriented attitude and customer focus

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