Linux System Administrator

Provides tier 2 operations support which includes identifying, resolving or escalating hardware and/or software issues that span multiple technology domains; primarily focused on supporting the Linux computing platform.

Duties and Responsibilities

This staff member completes the following activities using comprehensive technical knowledge of distributed, mainframe and networking platforms:

  • Monitors and supports multiple technology domains/platforms through the use of monitoring tools and applications.
  • Identifies, diagnoses and resolves system alerts and time sensitive events that could impact system availability leveraging an escalation path when appropriate.
  • Addresses work requests in accordance with established service level commitments.
  • Adjusts workloads of the operating environment to provide optimum resources to applications, system jobs and testing.
  • Responds to system failures and works with support or vendor teams to minimize business impact.
  • Writes and maintains documentation for the IOPS organization.
  • Trains and mentors staff and IT project teams providing guidance and consultation as required.
  • Administers systems by actively managing patching, routine maintenance and backups to include the scheduling and execution of related tasks.
  • Participates in all meetings related to change, incident or problem management
  • Identifies performance issues and trends impacting system availability or expected behavior and work to incorporate them into the problem management process.
  • Identifies opportunities for improvement and participate in projects to enhance the operation.
  • Participates in special projects and performs other duties as assigned.


  • Undergraduate degree in a related field or the equivalent combination of training and experience.
  • Three years general business experience, including one year LAN Administrator or Tier II experience in technical specialty.
  • 5+ years of troubleshooting Unix Systems (Linux, UNIX, etc)
  • 5+ years shell scripting - sh/bash/ksh
  • 5+ years of experience in an Enterprise IT environment.
  • Good analysis and problem solving skills.
  • Working knowledge of the following practices and concepts: Service level agreements, technical standards and deliverables, event triage and troubleshooting techniques, log files, network protocols.
  • Working knowledge of current versions of the following products: Microsoft Office Suite, Visio.

Preferred Qualifications

  • Knowledge of foundational networking concepts - (TCP/IP, DNS, routing, DHCP etc.)
  • Experience with one or more of the following products: Oracle RAC, IBM MQ, Apache Web Servers, TC •Application Servers, VMware vSphere.
  • Working knowledge of ITIL best practices in Problem and Incident Management

Special Factors

Vanguard is not offering visa sponsorship for this position.

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