Linux Systems Administrator

RapidFortSoftware security

Remote within the United StatesFull-TimeSenior

SalaryBase Salary: $120,000 to $150,000 annually, plus equity

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Job Details

Have 7 plus years of hands-on experience administering Linux in production environments, including recent systems operations and troubleshooting responsibility.
Bring practical knowledge of Linux processes, services, permissions, package management, filesystems, logging, and resource management.
Have strong experience with RHEL, Rocky Linux, and Ubuntu.
Have strong Bash scripting skills, including writing, troubleshooting, and maintaining production shell scripts independently.
Have practical Python skills for systems automation and operational tooling.
Have hands-on experience writing and maintaining Ansible roles and playbooks, or substantial experience with a comparable configuration management platform.
Have strong networking fundamentals, including TCP/IP, subnetting, routing, DNS, firewalls, SSH, and connectivity troubleshooting.
Have experience supporting virtualization, storage, monitoring, and backup and recovery.
Demonstrate ownership of complex technical problem resolution and follow-through on corrective actions.
Use sound judgment about change risk, testing, rollback, and escalation.
Be able to work independently within a remote team.
Be available for the shared on-call rotation and scheduled maintenance.

Build, configure, administer, and harden Linux systems, primarily RHEL, Rocky Linux, and Ubuntu.
Manage system services, packages, users, permissions, authentication, and access controls.
Own operating system lifecycle work, including patch testing, staged deployment, upgrades, exception tracking, and end-of-life remediation.
Diagnose production issues involving CPU, memory, disk I/O, filesystems, systemd, networking, and service dependencies.
Use logs, metrics, and command-line diagnostic tools to identify root causes and validate fixes.
Write and maintain Bash scripts and Python automation for provisioning, diagnostics, remediation, reporting, and routine operations.
Write and maintain Ansible roles and playbooks, test changes, and maintain automation in version control.
Apply Linux security baselines, least-privilege access, and timely security updates.
Improve monitoring and alerting, maintain backups, and test recovery procedures.
Participate in the shared on-call rotation and scheduled maintenance windows.

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