Senior Sysadmin

Summary

Join Tether and become a Senior Systems Administrator for our Tether Data Division. You will architect, deploy, and maintain mission-critical infrastructure. The ideal candidate possesses deep technical expertise and a security-first mindset. You will design and implement high-availability infrastructure solutions, orchestrate deployments, and maintain robust monitoring systems. Collaboration with development teams and providing technical mentorship are also key aspects of this role. Tether offers a global, remote work environment and the opportunity to work with cutting-edge technologies.

Requirements

• 5+ years of hands-on experience with Linux systems administration
• Strong expertise in: Infrastructure as Code (Terraform, Ansible)
• Container orchestration (Docker/Podman)
• GPU container optimization and management
• Virtualization platforms (QEMU/KVM)
• Network architecture (VPN, SDN, Load Balancing)
• Security practices and infrastructure hardening
• NodeJS application deployment and scaling
• Monitoring and observability tools (Prometheus, Grafana)
• CI/CD pipelines (Jenkins / GitLab / Github CI)
• Cloud platforms (AWS, GCP)
• Version control systems (Git)
• Usage of FIDO2 and Yubikeys for server administration

Responsibilities

• Design, implement, and maintain high-availability infrastructure solutions at scale with hundreds of servers
• Orchestrate deployments and updates across our infrastructure
• Implement and maintain robust monitoring, alerting, and incident response systems
• Collaborate with development teams to optimize application performance
• Conduct internal security audits and implement hardening measures
• Provide technical mentorship to junior team members