Senior Systems Administrator (Australia) – TS/SCI with Polygraph

Job Overview

General Dynamics Information Technology (GDIT) is seeking a Senior Systems Administrator with a TS/SCI clearance and polygraph to support operations, possibly in Australia or internationally, from Kyrgyzstan. This role is crucial for delivering advanced technology and mission services to U.S. government, defense, and intelligence communities.

Company Overview

General Dynamics Information Technology (GDIT) is a leading global technology and professional services company. With 30,000 experts operating in over 50 countries, GDIT delivers innovative solutions, technology, and mission services to all major U.S. government agencies, defense, and intelligence communities. As part of General Dynamics, GDIT specializes in digital modernization, AI/ML, Cloud, Cyber, and application development, striving to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Quick Details

• Salary Range: Market Competitive
• Job Type: Full-time
• Qualifications: None / Open to all applicants
• Experience: 5 Year+

Key Responsibilities

• Manage and maintain complex IT systems and infrastructure in secure environments.
• Ensure the security and compliance of systems with government standards, including TS/SCI protocols.
• Provide expert-level support for server, network, and software environments.
• Monitor system performance, troubleshoot issues efficiently, and minimize downtime.
• Implement and manage system upgrades, patches, and configurations.
• Collaborate with cross-functional teams to deliver mission-critical solutions.

Requirements

• Demonstrated experience as a Systems Administrator at a senior level (5+ years).
• Possession of an active TS/SCI clearance with polygraph is mandatory.
• Strong expertise in operating systems (Windows Server, Linux), virtualization, and cloud platforms.
• Excellent problem-solving skills and the ability to work in complex, secure environments.
• Ability to work effectively in an international context and support global operations.
• Relevant technical certifications (e.g., CompTIA Security+, MCSE) are highly preferred.

Benefits

• Opportunity to work on critical national security missions with a leading government contractor.
• Competitive salary and comprehensive benefits package.
• Professional development and career growth opportunities within a global organization.
• Access to cutting-edge technology and advanced training programs.
• Supportive team environment focused on innovation and mission success.
• Engaging work supporting the U.S. government and intelligence community worldwide.