Senior Systems Administrator

Information Technology Santry, Dublin


Position at j2 Cloud Services


Working as part of a global team the Senior Systems Administrator is responsible for designing, implementing, supporting and managing the j2’s Cloud Backup infrastructure based in various locations including UK, Ireland, Iceland and the Nordics. The position is a hands-on position and will serve as the technical escalation contact for support and project issues. 

This is a rare opportunity to join a globally highly experienced System Administration team responsible for designing, implementing and managing the j2’s Cloud Backup infrastructure based in Ireland, UK, Iceland and the Nordics. There will be opportunities to travel as part of this role.

The position is a hands-on position and will serve as the technical escalation contact for support and project issues with approximately 45% daily network administration and support tasks and approximately 55% project-related tasks. The Senior Systems Administrator will be responsible for storage and cloud backup architecture, along with network design and implementation.

You will be working with a team of exceptional engineers and will be involved in both ongoing architecture improvement projects as well as day-to-day operations of J2’s Cloud Backup infrastructure, e.g. monitoring and measurement of the production services and troubleshooting of issues.

You will be expected to manage your own projects and possess excellent communication skills. Pro-actively identify and resolve operational issues across the J2 Cloud Backup network as well as working on and running infrastructure projects as part of ongoing growth and improvements.

J2’s Cloud Backup business runs almost exclusively on our own hardware, so experience of virtualization technologies is essential, but also being comfortable with hardware as well as software is critical.

The successful candidate will be able to demonstrate a strong track record of proven results encompassing both the required technical and project delivery skills. It is essential that the successful candidate be able to function as part of a cross-functional, cross-departmental and inter-company team.

Key Responsibilities:

  • Proactive monitoring of the networks across Europe, troubleshooting and resolving issues where required.
  • Management and deployment of J2’s Cloud Backup storage infrastructure, and assisting this for other platforms
  • Monitoring of service metrics, ensuring that department SLAs are met.
  • Deploying new monitoring tools where necessary to ensure good service across the board.
  • Working with the existing teams on development of automation and management tools to ensure J2’s Cloud Backup business can continue to grow quickly and efficiently.
  • Management of hardware infrastructure, including rack deployments, spares and RMAs.
  • Scripting of any management/maintenance tools required

Key Technical Requirements:  

  • Advanced Linux (CentOS/RedHat), systems administration gained in an enterprise environment.
  • Virtualization experience (Hyper-v and VMWare)
  • Deep understanding and experience of local and network storage configuration (RAID, SCSI, NFS)
  • Remote management of servers (iLO, iDRAC, IPMI)
  • Network experience, Switches, Firewalls, VLANs, VPN (pfsense, Cisco, Fortinet, HP, Extreme Networks)
  • Web Server, SSL knowledge.
  • Strong Windows server knowledge, Active Directory, LDAP
  • Puppet configuration and deployment
  • Experienced in managing infrastructure in CoLo environments.
  • Experienced with monitoring tools such as Zabbix configuration and deployment
  • Deep understanding of backup’s infrastructure, and the ongoing management, monitoring, maintenance of the various environments to maintain uptime.
  • Knowledge and experience with any of the following technologies would be a distinct advantage: Ahsay, Asigra, RapidRecovery or Veeam.