What you will do

• Manage and monitor Unix-like systems (primarily Debian/Ubuntu)
• Coordinate tasks with developers and other sysadmins
• Work with a professional and experienced sysadmin team
• Maintain our infrastructure across local and remote environments
• Communicate task scope and complexity to stakeholders and managers
• Adopt new technologies and implement automation to improve maintainability of our infrastructure and processes
• Ensure the security and reliability of systems
• Share 24x7 coverage of monitoring alerts in coordinated shifts with the rest of the team

Tech stack we use (experience with any of these is a plus):

• Network storage: DRBD, Ceph, S3
• Virtualization: LXC, KVM
• Backup: Bacula (and derivatives)
• CI/CD: GitLab CI/CD
• Containers: Docker, Podman, containerd
• Web stack: Nginx, PHP, Golang, NodeJS
• Orchestration: Kubernetes
• SCM: SaltStack, Ansible
• VPN: OpenVPN, OpenConnect
• Databases: PostgreSQL, MySQL, MongoDB, ClickHouse
• Queue engines: RabbitMQ, Kafka
• Cache systems: Redis, Memcached

What we offer

• Simple hiring process
• B2B or UoP, you can choose any (via our partner CVT services)
• Stable salary
• Free lunches
• Participation in external training and conferences (75% covered)
• 14 days of remote work per year
• Sick leave paid up to 100% of the salary
• Supportive and friendly environment
• Team events and company activities
• Swiss management: horizontal hierarchy, decisions made by the project team, developers gain experience in different roles from project to project
• No bureaucracy - direct contact with management

Requirements

Must-have requirements:

• Degree in Computer Science or related field
• Solid understanding of Linux systems and network stack
• Experience in system administration (Debian, Ubuntu)
• Ability to work cross-functionally with developers, sysadmins and project managers
• Ability to explain complex technical tasks to non-technical stakeholders
• Ability and motivation to learn about new technologies and approaches
• Strong team collaboration skills
• Fluent verbal and written communication skills in English
• We are looking for someone ready to take full responsibility and show strong commitment to the project

Nice to have (big plus):

• Protocols: OpenVPN, IMAP, SMTP, LDAP, DNS, TCP/IP, OSPF
• Knowledge of TLS/x509 certificates, encryption basics
• Hands-on experience running Kubernetes in bare-metal environments
• Hands-on experience with SCM tools (SaltStack/Ansible)
• Experience with monitoring and logging tools
• Familiarity with CI/CD pipelines and related tooling (Jenkins, ArgoCD, GitLab CI/CD)
• Familiarity with distributed systems (ClusterEngine: Corosync, Pacemaker)
• Hands-on experience with software defined networking-based systems
• Communication skills in Russian