Systems Administrator (Unix/Linux)

Donnelly & Moore Corporation; New York (NY); Sur place; USD 120 000 - 160 000; Plein temps

Résumé du poste

Donnelly & Moore Corporation in New York City is seeking an Oracle Unix/Linux System Administrator for a 12-month government project. The role focuses on managing Oracle Linux/UNIX infrastructure, collaborating with DBAs and WebLogic teams to ensure systems stay up and secure.

Ideal candidates have 6–8 years of hands-on Oracle/Linux experience, Shell scripting skills, and familiarity with Oracle storage, NetBackup, and high-availability configurations.

Qualifications

• 6–8 years' experience as an Oracle Linux system administrator in a large UNIX environment.
• Experience installing, configuring & troubleshooting Linux/Unix OS, LDOMS, ZFS, and zones on prem and cloud environments.
• Experience in Shell scripting and supporting networking services (TCP/IP, DNS, SSH, etc.).

Responsabilités

• Plan, design, install, configure, secure, maintain, and support Linux infrastructure systems.
• Analyze resource utilization and tune OS performance.
• Patch server environments on a regular schedule with security updates.
• Assist security team with monitoring OS security and intrusion detection.
• Ensure changes follow Change Management policies.
• Maintain disaster recovery configurations and test DR procedures.
• Perform backups and test recoveries using NetBackup/VEEAM.
• Administer, monitor, and troubleshoot HA environments on Oracle Exadata.
• Provide support to DBAs and application teams for integration.
• Set up batch jobs and system alerts for 24x7 availability.
• Liaise with Oracle and vendors to troubleshoot issues.
• Prepare configurations and share knowledge with team.

Connaissances

Oracle Linux

Linux/Unix

Shell scripting

Oracle WebLogic

Oracle RDBMS

NetBackup

VEEAM

OCFS

Outils

LDOMs

ZFS

OCFS

Symantec NetBackup

VEEAM

Description du poste

Our Government Client in Downtown, NYC is looking for an Oracle Unix/Linux System Administrator for a 12+month position.

Term: 12/1/2026 - 11/30/2027 and can be extended

Normal Business Days/Hours: Monday - Friday (9:00am - 5:00pm includes one-hour unpaid lunch) - 35 hours work week.

Scope of Work

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.

The candidate specific duties will include:

• 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

Vendor Qualifications

• 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

#IND1

• 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