Linux & Network Administrator

About the role

9D Technologies, a mobile apps and games publisher, is hiring a Linux and Network Administrator to maintain production servers, configure new hosts and resolve live issues.

Key responsibilities

• Maintain and configure Linux servers and network services with Ansible and Docker
• Operate WireGuard, RADIUS (FreeRADIUS), LDAP, KanIDM and Active Directory-style directory services, including accounts, groups, authentication and replication
• Configure DNS, TLS certificates and host firewalls (iptables or nftables)
• Troubleshoot authentication, connectivity and service failures from logs, metrics and host state
• Respond to alerts and review logs and events (Prometheus, Grafana, journald, syslog)
• Patch servers from vulnerability assessments and confirm findings are closed
• Run proofs of concept for new configurations and write a short note on the results

Required profile

• Bachelor's degree in Computer Science or a closely related field
• 2-4 years of experience in Linux system administration and network operations

Required skills

• Hands-on work with at least two of: WireGuard, RADIUS, LDAP, KanIDM, Active Directory, Ansible or Docker

What we offer

• Competitive pay matching skills and experience
• Family health insurance
• Paid time off
• On-site fitness facilities and meals provided