Mid-Level System Administrator

Job overview

The Mid-Level System Administrator role is onsite in Huntsville, AL, with a stated salary of $120,000–$150,000 per year. The role supports high-fidelity, high-resolution modeling of the Ballistic Missile Defense System (BMDS). The position provides day-to-day administration and operational support for the modeling and simulation system, helping maintain consistent technical direction across a distributed data center and extended sites. It also serves as a technical point of contact for government stakeholders and supports system improvements, troubleshooting, and IT architecture work.

What you'll do

• Lead system administration for the Huntsville element
• provide technical representation to government stakeholders
• administer, maintain, and operate modeling and simulation hardware and software
• configure and troubleshoot enhancements, deployments, and infrastructure upgrades
• diagnose computer, server, and network issues
• respond to user requests and incidents
• maintain consistent IT architecture, processes, practices, and documentation
• report IT status to government and program managers
• present architectural designs using Microsoft tools.

What we're looking for

Skills & competencies

system administrator

mid-level

huntsville al

issac llc

bmds

modeling and simulation

red hat enterprise linux

security+ ce

secret clearance

$120k–$150k/year

onsite

weekend work

Work arrangement

• Weekend coverage required

Why this role

Supports BMDS modeling and simulation; requires hands-on Red Hat Enterprise Linux experience, Security+ CE, and an active DoD Secret clearance. Linux+ is required within six months or at start.

About the employer

Issac, LLC is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.