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Unix / Linux Administrator

Unix / Linux Administrator

Alignity SolutionsNew York, NY, us
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Job Description

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Role :

Unix / Linux Administrator

Location : NYC, NY

EXP : 6-8+ Years

Requirements

We are seeking an experienced Unix / Linux Systems Administrator to manage and maintain Oracle Unix / Linux infrastructure systems, Oracle RAC, and enterprise-scale platforms . This role requires close collaboration with Oracle DBAs, WebLogic Administrators, and Application teams to ensure high availability, security, and performance across mission-critical systems. The ideal candidate has a strong background in Unix / Linux administration, Oracle virtualization technologies, Oracle RAC clusters, and hybrid cloud environments (AWS / Azure) .

Key Responsibilities

System Administration & Infrastructure Support

Plan, design, install, configure, secure, maintain, and support all Linux / Unix infrastructure systems, including servers, storage, and Oracle appliances.

  • Administer and troubleshoot Oracle RAC clusters to ensure high availability, failover, and performance tuning.
  • Manage and support Oracle Exadata and other HA / clustered server environments.
  • Monitor resource utilization, analyze performance, and conduct OS / application tuning.

Patch Management & Security

Develop and implement server patching strategies, including security updates and OS upgrades .

  • Collaborate with the Network Security team to apply strong security policies, intrusion detection, and vulnerability remediation.
  • Ensure compliance with established Change Management policies.

    • Disaster Recovery & Backup Management

    Maintain and test disaster recovery configurations for Unix / Linux and Oracle RAC systems.

  • Perform backup and recovery operations using Symantec NetBackup, Veeam , and ensure DR documentation is updated.

    • Automation & Operations

    Write and maintain Shell scripts for system automation and monitoring.

  • Configure and monitor batch jobs and system alerts to ensure 24x7 availability.
  • Provide escalation support for hardware, OS, and clustered database issues (Oracle RAC / ASM) .

    • Collaboration & Support

    Provide technical assistance to DBAs and Application Administrators for RAC / database integration with OS environments.

  • Partner with Oracle and other vendors to troubleshoot technical issues, escalate problems, and apply recommended fixes.
  • Respond to Service Desk tickets and ensure timely root-cause resolution.

    • Documentation & Knowledge Transfer

    Maintain system documentation, RAC cluster architecture diagrams , runbooks, and troubleshooting guides.

  • Provide training and knowledge transfer to junior team members.
  • Maintain an accurate inventory of Unix / Linux hardware and Oracle RAC assets.

    • Qualifications & Experience

  • Experience : 6–8 years as a Unix / Linux Systems Administrator managing large-scale enterprise infrastructure.
  • OS Expertise : Hands-on with Oracle Linux, Solaris (LDOMs, Zones), ZFS file systems , and hybrid cloud platforms (AWS, Azure).
  • Oracle RAC : Strong experience in installing, configuring, administering, and troubleshooting Oracle RAC clusters , ASM (Automatic Storage Management), and OCFS (Oracle Cluster File System).

    • Oracle Infrastructure :

    Experience supporting Oracle Exadata and clustered environments.

  • Knowledge of Oracle Application Server, WebLogic, and Oracle RDBMS on Linux / Unix.
  • Virtualization & Storage : Experience with LDOMs, Zones / Containers, Oracle SAN, VMware / KVM .
  • Networking : Proficient in TCP / IP, SMTP, SNMP, SSL, SFTP, HTTP, NIS, DNS, NFS, LDAP, SSH, Sendmail .
  • Backup & Recovery : Hands-on with Symantec NetBackup, Veeam , and DR planning.
  • Scripting : Strong skills in Shell scripting (bash, ksh, sh) for automation.

    • Soft Skills :

    Strong troubleshooting, problem-solving, and customer service mindset.

  • Ability to multitask and perform under pressure.
  • Effective communication with stakeholders across all levels.
  • Preferred : Experience with observability tools (Splunk, AppDynamics, PagerDuty, Turbonomic) and container platforms (Kubernetes, OpenShift).

    • Benefits

    Visit us at  http : / / alignity.io / careers . Alignity Solutions is an Equal Opportunity Employer, M / F / V / D.

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    Linux Administrator • New York, NY, us