Overview


i3 is looking for an experienced Senior Linux System Administrator to join our team. In this role, you’ll be the go-to person for keeping our mission-critical Linux systems secure, stable, and running smoothly. We work in a dynamic environment supporting multiple organizations, so we need someone who communicates well, adapts quickly, and knows how to operate effectively.
You'll be working closely with our engineering and security teams to troubleshoot complex issues across both Linux and Windows platforms. Because of the nature of the mission, you might occasionally need to jump in during off-hours to provide support, but your primary focus will be day-to-day administration, security, and infrastructure stability.


Responsibilities


+ System Administration & Security: Build and maintain our Linux configurations, locking them down according to DISA STIGs and JSIG requirements. You'll also manage user accounts, permissions, and...