Linux System Administrator

Dublin  ‐ Onsite
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Description

Description

  • Supervises all changes requested by application development teams
  • Responsible for the management of assigned systems, products or technical domains with 24 hour emergency technical support and overall technical quality
  • Evaluates corporate-wide system to improve system performance and functionality
  • Follows up market evolution
  • Drafts understandable reports on improvement opportunities for the respective system
  • Performs maintenance tasks on existing test and production environments
  • Designs, tests, and implements back up, recovery and restart procedures
  • Monitors error logs, etc, to ensure proper capacity and availability
  • Responsible for changes, incident handling and problem solving
  • Designs configurations in cooperation addressing necessary performance and recoverability issues
  • Executes software installations, creations/configurations, and loads

Key Duties & Responsabilities

  • Installing, configuring, supporting and maintaining Servers and infrastructure, planning for and responding to various performance issues such as service outages, system-related projects, user administration, managing security, and other duties as they arise
  • Ensure adherence to procedures and processes for hardware, software, and applications
  • Interact with multiple business & development units in deployment of new hardware.
  • Participate in projects, working closely with various IT functions
  • Develop, modify, maintain, improve, and troubleshoot existing systems
  • Analyze and sustain capacity and performance requirements
  • Analyze, consolidate, tune and monitor systems and platforms for availability
  • Oversees backup, clustering, mirroring, replication and failover
  • Perform hardware and data recovery
  • Work with business clients/development to evaluate, streamline, and improve current systems, processes, and workflow
  • Develop (business case) documentation
  • Analyse and resolve operating systems and applications issues on various systems
  • Develop diagnostic tools to allow Systems Administrators to support products when they are put into production
  • Ability to communicate clearly, constructively and concisely to peers and end-users
  • 24x7 Operational Support of production, 9x5 Operations Support of Development/Acceptance, on-call after hours support

Knowledge, Education & Experience

  • The successful candidate will typically have up to 3 à 5 years' experience within a similar environment as described below
  • Relevant third level qualification or professional equivalent
  • Experience in Window/Linux Operational Support in a medium to large environment performing installation, configuration, and troubleshooting duties
  • Knowledge of RedHat, system administration troubleshooting; boot from SAN, troubleshooting and root cause analysis skills, disaster recovery
  • Good knowledge of SAN architecture, multipathing, WWNs, iSCSI
  • Good knowledge of external Disk Arrays, RAID levels, NFS
  • Good knowledge of blade and blade enclosure systems
  • Experience in Scripting for automation: Windows PowerShell, Perl, Bash
  • Good Knowledge of networking fundamentals: TCP/IP, file transfer, DNS, VLAN, and secure protocols, networking/distributed computing environment concepts; basic routing concepts
  • Familiar with most aspects of systems/software administration, such as: system installation and configuration, security levels and permissions, installation of third-party software, backup systems, etc.
  • Knowledge of JBPM
  • Oracle knowledge
  • Dell/HP hardware knowledge
  • Interpersonal, written and verbal communications skills
  • Strong troubleshooting, analytical and problem solving skills and be able to work independently
  • Process Oriented, understanding ITSM/ITIL processes
Start date
ASAP
Duration
31-12-2018
From
TALENT - IT
Published at
18.10.2017
Project ID:
1435827
Contract type
Freelance
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