We are excited to announce an opportunity for a highly skilled and experienced Senior System Administrator to join our IT department at CTI. This role is pivotal in driving innovation across our mission-critical programs. As a Senior System Administrator, you will be responsible for managing and supporting our advanced software and systems infrastructure. Collaborating with a team of experts, you will ensure the reliability, security, and performance of our systems across multiple sites, contributing significantly to our organizational success.

Responsibilities include, but are not limited to:

• Oversee asset procurement, installation, configuration, and maintenance of hardware/software infrastructure
• Configure and manage Windows and Linux operating systems, commercial/government applications, IP networks, and switches
• Implement and maintain DoD and IC standard distributed authentication services
• Build systems from “bare metal” aligned with accredited baselines
• Ensure compliance with company and government IT policies
• Conduct regular security monitoring and intrusion detection
• Perform daily backups, file archival, and purging
• Manage user accounts and access controls
• Optimize system performance and conduct hardware upgrades
• Troubleshoot and recover from hardware/software failures across multiple sites
• Document and monitor CTI’s cybersecurity program implementation
• Maintain and support Thinklogical Audio and Video Wall Systems
• Assist in the development and continuous improvement of the Distributed Experimentation Environment (DE2) Modeling and Simulation applications and Next Generation Threat System (NGTS) as needed. 
• Assist in documenting and tracking all aspects of system development, installation, modification and maintenance.
• Aid in system security patching, installation and configuration.
• Ensure configuration identification by reviewing design release documents for completeness and proper authorizations.

Requirements

Necessary Skills and Experience

• Minimum of 5 years of experience applying engineering principles in a professional setting
• Proven ability to maintain, configure, operate, and troubleshoot complex electronic computer interface systems and network equipment
• Strong Linux/Unix administration skills (installation, configuration, troubleshooting)
• Strong understanding of U.S. Government computer systems, network infrastructure, and security protocols
• Experience administering server-side technologies and managing networked computing environments
• Bachelor’s degree in Computer Science, Information Technology, or related field
• Must have an active U.S. government Top Secret security clearance and be SCI eligible
• U.S. citizenship is required to obtain security clearances. ​
• Maintain a flexible schedule and be able to work extended hours and/or weekends in support of exercises and events.

Beneficial Skills and Experience

• Scripting experience (PowerShell, Bash)
• Familiarity with IT infrastructure tools (Terraform, Ansible, Puppet, Chef)
• Server-side development experience (PHP, Ruby on Rails, ASP.NET)
• Strong problem-solving and communication skills
• DoD 8570 Baseline Certification (Security+, GSLC, GSEC, etc.)
• Knowledge of DOD network infrastructures, especially in Hawaii
• USINDOPACOM AOR experience.
• Familiarization with Joint Fires Network (JFN) architecture and infrastructure.
• Strong, supportive, and productive Team player.