Network System Administrator

OpenJaw Technologies is a leading online technology partner of the world’s biggest travel brands, including: British Airways, S7, Etihad, KLM, Air Miles, Aeroplan and SAS. To support the continued growth of the company, we are currently recruiting for a Network System Administrator for our Dublin office. This role will report directly into the Customer Support & Operations Manager. 

Duties and responsibilities:

• Linux system administration and management, including configuration, troubleshooting, and automation.
• TCP/IP based network administration and management, including network configuration, firewalling and troubleshooting. Ability to identify performance and application issues.
• Perform daily hosting platform monitoring, inclusive of all hardware, networking and application resources; verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
• Configuration and management of software for Fault Management, Performance Management or Service Management
• Installation, configuration, daily administration and maintenance of OpenJaw built hosted applications. Training will be provided.
• Strong understanding of running high-traffic web services including requirements analysis, service configuration, monitoring and troubleshooting.
• Perform regular security monitoring to identify any possible intrusions.
• 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.
• Configure CPU, memory, and disk partitions as required.
• Responsible for taking part in out-of-hours support.

Skills and experience:

• Experience with Linux systems administration and management.
• Network management and administration and configuration experience.
• VM administration (Xen server preferably)
• Exposure to/knowledge of site-to-site VPN solutions (OpenSwan implementation of IPSec) desirable.
• Cisco ASA firewall configuration experience preferably
• Knowledge of Apache based load balancers desirable.
• Experience with Apache TomCat configuration and maintenance desirable.
• Bachelor’s Degree in relevant field or equivalent experience.
• Exposure to disaster recovery/backup procedures.
• Firewalls (iptables) experience desirable.
• Internet security and virus protection.
• DBA (MySQL preferably)
• Knowledge of bash scripting language desirable.
• Must be fluent in English

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 recruitment@openjawtech.com.

No agency calls please.