Senior Linux Systems Engineer - After-Hours On-Call

virtu; United States; Remote; USD 85,000 - 120,000; Full time

Job summary

virtu is seeking a Linux/Unix systems administrator to keep a distributed infrastructure stable outside standard hours. You’ll respond to production issues as an initial responder and escalate when needed.

The role offers a full-time schedule with five days from Thursday through Monday or four longer days from Thursday through Sunday. You will diagnose server problems, prepare OS packages, test deployments, and work with vendors to resolve issues, while helping shape capacity planning and

Qualifications

• At least 1 year of Linux/Unix systems administration experience.
• Scripting skills in Python, Bash, or similar languages are required.
• Understanding of networking protocols and topology (NFS, DHCP, IP, TCP, UDP, TFTP, NTP).
• Familiarity with Kickstart, Ansible, Git, and package management.

Responsibilities

• Diagnose and resolve Linux server issues across a distributed environment.
• Prepare, test, deploy, and maintain operating-system packages and scripts.
• Identify changes to improve latency and system efficiency.
• Handle infrastructure changes and configuration requests.
• Coordinate with internal technology teams and vendors to resolve issues.
• Contribute to capacity planning and longer-term infrastructure strategy.

Skills

Linux/Unix administration

Scripting

Independent work

Tools

Kickstart

Ansible

Git

Package management

Job description

virtu is seeking a Linux/Unix systems administrator to keep a distributed infrastructure stable outside standard hours. You’ll respond to production issues as an initial responder and escalate when needed.

The role offers a full-time schedule with five days from Thursday through Monday or four longer days from Thursday through Sunday. You will diagnose server problems, prepare OS packages, test deployments, and work with vendors to resolve issues, while helping shape capacity planning and