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IT Network Systems Administrator - Dublin

Job Category:
Software Developer/Engineer, LAN/WAN Network Engineer, Technical Support - L 1, 2,3
Job Type:
Level of IT Experience:
1-5 Years
Central Dublin
Grattan Bridge House, 1 Ormond Quay Upper Dublin 7
Salary Description:
Salary negotiable
OpenJaw Technologies
Job Ref:

Systems/Network Administrator – Dublin                                                

To support the continued growth of the company, we are currently recruiting for a System/Network Administrator in our Dublin office. This is a full-time permanent position offering tremendous potential to highly motivated individuals.

Duties and responsibilities:

  • Windows Server 2008-2012 infrastructure management
  • Daily administration and support of AWS, JIRA, Office365, Google Apps
  • Network administration including, but not limited to, switching, routing, VPNs, Wifi, firewalls
  • VM lifecycle management including provisioning, monitoring, decommissioning XenServer hosts and VMs (including OpenSuSE, Ubuntu, CentOS and Windows guests)
  • Management of various Cloud-based applications
  • Linux systems administration
  • Apply OS patches and upgrades, and upgrade admin tools and utilities
  • Run periodic performance reports to support capacity planning
  • Perform ongoing performance tuning and resource optimisation as required
  • Directly supporting local and remote Offices globally including support on Laptops, Desktops (Windows, OSX, Ubuntu)
  • Support of Printer, Telephones, Conference facilities such as lifesize and other such items

Skills and experience:

  • Experience with Linux & Windows systems administration and management.
  • Experience with administration of AWS (Amazon Web Services) and JIRA
  • Network management and administration and configuration experience (Cisco / Spiceworks / Unifi / HP / Aruba)
  • VM administration (XenServer / AWS preferably)
  • Good Experience of the following networking protocols: VPN (IPsec & OpenVPN), SSH, LDAP, SNMP, SIP, SMTP, DHCP & DNS, IPtables + Firewalls
  • Experience of some of the following application software required: Apache, Postfix, Nagios, Cacti, Zabbix, Spiceworks, Active Directory, DFS, XenServer, VMware, Elastix
  • Experience with the following Cloud applications desirable: Google Apps, Sharepoint, JIRA, Gitlab, Office365, Remedy Force
  • Support the management of Vendors and suppliers
  • Exposure to disaster recovery/backup procedures
  • Internet security and virus protection
  • 1-3 years experience
  • Must be fluent in English, both written and spoken.  Chinese language also an advantage
  • Willingness to travel to other office locations


Salary commensurate with experience.

OpenJaw Technologies is an equal opportunities employer. If you wish to be considered for this position, please submit a cover letter and your CV to

No agency calls, please.

Contact Details:
OpenJaw Technologies
Tel: 015257100
Contact: Kaymar Dillon

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