Systems Administrator (Linux) Location: Dublin Who are we? As the winners of the Deloitte Technology Fast 50 for the last two years we have been repeatedly recognised as the most innovative and rapidly expanding Irish technology company. Established in 2006 ezetop is the world's largest provider of international mobile phone top-up. ezetopprovides an important service connecting friends and families around the world and is currently partnered with over 300 mobile operator partners and 450,000+ retail locations covering over 100 countries, as well as an increasing online presence. Why ezetop? We know that there are quite a few companies out there currently recruiting but we think we're pretty special. We are offering people the chance to join our team, make an impact and be part of making us a huge success. We're a truly global organisation with nearly 200 team members worldwide but we're still small enough that you can put your own stamp on your area, whilst knowing that you are part of a team spreading top-up around the world! At ezetop we believe our passion for what we do is infectious and we believe our people are key to our success. With diverse backgrounds and talents our team is filled with bright, passionate and tireless people who are genuinely excited about making ezetop great. Who doesn't want to be on a team like this? Don't be under any illusions though it's hard work here and everyone needs to roll up their sleeves and get stuck in. You need to get through high volumes of work and still come back asking for more! We will provide you with challenging work and although we take our work and responsibilities seriously, we don't take ourselves too seriously so a sense of humour is also essential! The Candidate Reporting to the Head of Technical Operations, the successful candidate will own and manage administration of all ezetop's Linux Servers, including our test, production and internal system setup. The ideal candidate will bring significant past experience in this capacity and thereby the ability to apply strong operational best practices to systems administration at ezetop. The Role This role is responsible for ensuring ezetop's operations runs efficiently and without interruption 24 / 7 / 365. This is a great opportunity to join a fast growing and innovative team. Communication, flexibility and a desire to learn are essential as well as the ability to work on multiple priorities while maintaining attention to detail. Required Skills A bachelor's degree with qualifications in either Computer Science, Electrical Engineering or IT related fields Knowledge of installing and administering Ubuntu and CentOS Servers (or similar flavor) Strong scripting skills (Bash, Perl, Python, etc.) Linux Security (Server Hardening) Tuning and patching Linux servers for performance and security Working experience of backup and recovery technologies. Demonstrated application of onsite/offsite management and aging of backups. Experience working in real time 24*7 web environments Excellent communication skills Time management Skills Proven ability to create, document and maintain excellent standards and practices. Systems monitoring (Strong understanding of SNMP, Nagios, Cacti, Splunk etc.) Other Desirable Skills and Experience Windows Server Administration would be an advantage Experience of virtualization technology (XenServer, VMWare, Hyper-V) Ability to triage and prioritize effectively. Use of ticketing systems to enable such prioritization Sound knowledge of all things internet: Internet routing hierarchy, domain names and address resolution, protocol stacks, HTTP, SMTP, TCP network peering, public and private IPs Ability to plan for volume growth (capacity planning) Working Knowledge of Disk Storage technologies Key Attributes Team player, providing Linux server support to all members of the Technical Operations team Planning oriented with an ability to set own deadlines and priorities Working with or managing other ezetop team members in support of their objectives Comfortable with providing 24 hour support on rare occasions when needed Flexible to undertake other tasks when required