Senior Systems Administrator

  • Job Ref: 3823
  • Location: Naas, Ireland
  • Type: Permanent


Responsible for the design, configuration and support of:

  • VMware vSphere Enterprise 6 clusters
  • Fortigate firewalls
  • EMC and Lenovo SANs
  • Cisco Catalyst networking
  • Commvault backup & recovery system

Responsible for DevOps:

  • Work with global teams to design and provision new projects using Azure and Power BI
  • Plan the transition of in house applications to the cloud
  • Assist multiple developments teams with design and implementation of cloud solutions
  • Advise management team on adoption of cloud solution
  • Assist with implementing automated build and deployment systems using TFS or VSTS

Support for New Projects:

  • Keeping informed on latest industry trends and best practices
  • Introducing and integrating new technologies
  • Assisting with technical bids for new business including writing technical submissions
  • Managing procurement of new hardware and software solutions to support new business

Other Responsibilities:

  • Work with global IT team to manage Active Directory
  • Analysing impact of operating systems updates, patches, and configuration changes.
  • Coordinating with our Level 1 and Level 2 Support to resolve IT System tickets to maintain our Service Level Agreements.
  • Analysing system logs and identifying potential issues with our IT Systems.
  • Responsible for system / network security.
  • Oversee the documenting the configuration of the system.
  • Manage system performance tuning.
  • Manage the deployments of software releases across multiple environments.
  • Support Avaya ACCS contact centre telephony system
  • Oracle database server installation and management
  • Redhat Enterprise Linux 6 & 7

Apache web server




  • Requires at least 8 years relevant experience.
  • Requires a degree in Computer Science, Computer Engineering or equivalent.
  • Ability to work with range of people ranging from developers to business users, to senior management so good communication skills are essential.
  • Occasional out of hours support for upgrades and deployment work.
  • Excellent oral and written English.
  • Ability to write responses to tender requests.
  • Excellent problem-solving skills.
  • Ability to take the lead role in the technical team and help develop junior team members.





Recent training and certification in the use of Microsoft, VMware, Cisco and cloud technologies would be considered advantageous. More than 2 years on the job experience would also be considered.


Exposure and a working knowledge of the following technologies would be ideal to help the candidate grow the role over time.



  • Lenovo System X series server hardware
  • Microsoft SQL Server
  • Microsoft Dynamics CRM
  • Microsoft SharePoint Server
  • Microsoft BizTalk server
  • TrackIT help desk
  • VoIP telephony

John Ryan, Senior Recruitment Consultant - Your e-Frontiers consultant for this job

John is one of our recruitment consultants on the Technical Infrastructure Division of e-Frontiers and has been with the company since June 2012. John brings over 12 years recruitment experience to the e-Frontiers team having previously worked for one of Ireland’s biggest recruitment companies. He has worked with many of the Ireland’s leading IT companies and has experience of sourcing technical candidates across all levels. He has also gained valuable on-site client recruitment experience from various recruitment projects. John studied Business Studies in Dublin Business School. He prides himself on his professional and logical approach to recruitment.

Specialises in: Senior Windows Engineers, System Support, Linux Administrators, Unix Administrators, Security Consultants, Virtualisation Specialists, Unix Specialists, Infrastructure Consultants, Cloud Automation Specialists, Office 365 Specialists, Windows Engineers