System Administrator II — Mission-Critical Defense IT

Arcata Associates, Inc; Las Vegas (NV); On-site; USD 65,000 - 90,000; Full time

Job summary

Arcata Associates, Inc. is seeking a System Administrator II to perform operational support and ongoing maintenance for contract objectives with JT IT teams and NTTR.

You’ll coordinate with multiple departments to provision, test, and resolve system issues, while maintaining cyber security and documentation. The role requires hands-on server support, monitoring, and collaboration across IT, security, and business units, with travel to NTTR locations as needed.

Qualifications

• Associates or higher degree in Computer/Information Technology or equivalent training.
• 5+ years progressive relevant experience.
• Must have CompTIA Security+ CE (within 90 days).
• Must be able to obtain Top-Secret clearance with possible SCI.

Responsibilities

• Supports all system-related issues for assigned systems.
• Monitors system health and performance trends.
• Performs hands-on server support and documentation.
• Collaborates with Cyber Security and IT teams to ensure secure, scalable infrastructure.
• Maintains hardware/software inventories and implementation docs.
• Provides regular systems monitoring and reporting.

Skills

Networking

Server troubleshooting

Windows Server

UNIX/Linux

AD/DNS/DHCP

Documentation

Customer service

Education

Associates or higher in IT

Tools

Windows Server

Red Hat/Ubuntu

DNS/DHCP/File & Print

Job description

Arcata Associates, Inc. is seeking a System Administrator II to perform operational support and ongoing maintenance for contract objectives with JT IT teams and NTTR.

You’ll coordinate with multiple departments to provision, test, and resolve system issues, while maintaining cyber security and documentation. The role requires hands-on server support, monitoring, and collaboration across IT, security, and business units, with travel to NTTR locations as needed.