Unix/Linux Systems Administrator (Oracle, HA/DR)

NYC IT Inc; New York (NY); On-site; USD 90,000 - 120,000; Full time

Job summary

NYC IT Inc. seeks an experienced Systems Administrator (Unix/Linux) to manage enterprise Unix/Linux server and storage infrastructure.

This 1-year contract focuses on Oracle Linux administration, performance tuning, security, backup and recovery, and high‑availability environments. Responsibilities include installing and securing servers, monitoring performance, applying patches, maintaining DR configurations, and performing backups with NetBackup and VEEAM.

Qualifications

• 6–8 years of Oracle Linux Systems Administration in large-scale Unix/Linux environments.
• Strong hands-on experience installing, configuring, administering, and troubleshooting Linux/Unix OS.
• Knowledge of LDOMs, ZFS, and Zones/Containers in on‑premises and cloud environments.
• Experience with shell scripting and automation.
• Strong networking knowledge: TCP/IP, SSL, DNS, LDAP, SSH, NFS, NIS, SMTP, SNMP, Sendmail.
• Experience with Oracle Apps Server, WebLogic, and Oracle RDBMS on Linux/Unix.
• Knowledge of Oracle SAN, ASM, and OCFS.
• Proven ability to troubleshoot and collaborate with teams.

Responsibilities

• Install, configure, secure, maintain Unix/Linux servers and storage infrastructure.
• Monitor performance and implement tuning measures.
• Plan and apply server patching, security updates, and maintenance.
• Support OS security policies, intrusion detection, and vulnerability mitigation.
• Maintain disaster recovery configurations and perform recovery testing.
• Perform file system backups and recovery testing with NetBackup and VEEAM.
• Administer HA environments on Oracle Exadata.
• Collaborate with DBAs and app teams on configuration and integration.
• Configure and monitor scheduled batch jobs, alerts, and availability.
• Troubleshoot hardware, software, networking, and application issues.
• Follow change management and incident reporting procedures.
• Coordinate with vendors for issue resolution and escalation.
• Respond to service desk requests and document knowledge transfer.
• Maintain Unix/Linux hardware and software inventory.
• Provide after-hours and weekend support as required.

Skills

Oracle Linux

Linux administration

Shell scripting

Automation

Networking

High availability

Tools

Oracle Exadata

NetBackup

VEEAM

ZFS

OCFS

Job description

NYC IT Inc. seeks an experienced Systems Administrator (Unix/Linux) to manage enterprise Unix/Linux server and storage infrastructure.

This 1-year contract focuses on Oracle Linux administration, performance tuning, security, backup and recovery, and high‑availability environments. Responsibilities include installing and securing servers, monitoring performance, applying patches, maintaining DR configurations, and performing backups with NetBackup and VEEAM.