Site Reliability Engineer

Join our Site Reliability Engineering (SRE) team and work on large-scale infrastructure, automation, reliability, and cloud technologies.

Linux: Red Hat, CentOS, Ubuntu

Containers & Cloud: Docker, OpenStack, oVirt

Automation & Configuration: Ansible, Puppet

Version Control: GitLab, Git

Networking & High Availability: BIND, Keepalived, HAProxy, Pacemaker, DRBD

Identity Management: FreeIPA

Monitoring & Logging: Prometheus, TICK Stack, Splunk, Nagios, Icinga

Other: Linux networking, infrastructure automation, scripting

• Bachelor's degree or higher in Computer Science, Computer Engineering, or a related technical field
• At least 5 years of experience supporting Linux/Unix systems
• Strong Linux administration and troubleshooting skills
• Good understanding of Linux networking and network internals
• Experience with Git, Ansible, Puppet, or similar automation/orchestration tools
• Understanding of Infrastructure as Code (IaC) concepts
• Experience with container technologies, particularly Docker
• Experience with Identity Management systems such as FreeIPA or Active Directory
• Experience with Bash, Python, Ruby, or other scripting/programming languages
• Ability to quickly learn and support different Unix/Linux environments
• Proactive mindset with the ability to identify problems, performance bottlenecks, and opportunities for improvement
• Strong documentation habits and a mindset of “document it once, solve it better next time”
• Willingness to provide occasional 24x7 support, including nights, weekends, and holidays, either onsite or remotely when required
• Business-level English required; business-level Japanese is a plus
• Experience operating OpenStack or other private cloud platforms is a plus