Senior System Administrator

Job overview

The Senior System Administrator role is 100% onsite in Camden, AR. Compensation is not specified. The position supports Raytheon-Rafael Area Protection Systems’ Iron Dome/SkyHunter production mission at its manufacturing facility. The administrator maintains and secures enterprise IT and operational technology systems, helping ensure the confidentiality, integrity, and availability of critical services. The role also supports infrastructure deployments, system integration, and ongoing technology operations.

What you'll do

• Build, maintain, and patch systems
• administer Windows and Red Hat Enterprise Linux environments
• troubleshoot hardware and operating-system issues
• install and configure applications
• work with cybersecurity professionals
• manage accounts, documentation, performance, software, and storage
• support training and operations plans
• maintain operational technology, bastion hosts, internal firewalls, and IoT devices
• participate in technical meetings and document reviews.

What we're looking for

Skills & competencies

senior system administrator

windows

red hat enterprise linux

active directory

operational technology

industrial control systems

cybersecurity

camden ar

raytheon-rafael r2s

secret clearance required

100% onsite

9/80 schedule

relocation support

travel 0–5%

Work arrangement

• Weekend coverage required

Benefits & perks

• Flexible 9/80 scheduling, generous leave package, holiday shutdown, and relocation support.

Why this role

An active, transferable Secret U.S. government security clearance is required before starting; U.S. citizenship is required. The role requires obtaining DoDD 8140/8570 certification within six months of start.

About the employer

Raytheon-Rafael Area Protection Systems (R2S) is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.