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Senior Systems Administrator - TS/SCI with Polygraph
General Dynamics Information TechnologyAlice Springs, Northern Territory🇦🇺AustraliaPosted 18 Jul 2026
Quick Overview
Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior
Job Description
SYSTEMS ADMINISTRATOR SENIOR
Seize your opportunity to make a personal impact as an IT Systems Administrator supporting our Intel Customer in Alice Springs, Austrailia. GDIT is your place to make meaningful contributions to challenging projects, build your skills, and grow a rewarding career.
HOW YOU WILL MAKE AN IMPACT- Responsible for the administration, maintenance and support of the organization's IT systems and infrastructure including managing servers, ensuring system availability and implementing solutions to improve system performance and security.
- Supports the installation, configuration and maintenance of servers including physical and virtual environments.
- Collaborates with stakeholders to understand business needs and requirements and provide appropriate solutions. Manages the Active Directory, and other core IT services. Monitors systems performance and troubleshoots issues to ensure high availability and reliability.
- Performs maintenance such as patch management, updates and backups. Plans and executes systems upgrades and hardware/software installations.
- Ensures systems are updated with latest security patches and software updates. Implements and maintains security measures to protect systems from unauthorized access and vulnerabilities.
- Conducts security audits and assessments to ensure compliance with organization policies and regulatory requirements.
- Manages and tests backup and recovery procedures to ensure data integrity and availability.
- Develops and maintains disaster recovery plans for critical systems and services.
- Participates in disaster recovery drills and business continuity planning.
- Provides support to end users and other IT staff by resolving hardware, software and system related issues.
- Maintains detailed documentation of system configurations, procedures and changes.
- Creates reports on system performance, security incidents and other key metrics.
- Coordinates with other IT teams to ensure coordinated delivery of IT services. May assist in the development of IT policies and procedures.
- Education: Bachelors Degree or equivalent technical training, certification(s) or experience
- Experience: 3+ years of related experience
- Certification: Candidate must possess an appropriate and current DoD 8570/8140 Information Assurance Technical (IAT) Certification to be considered for employment. CompTIA Security+ CE Certification is the preferred certification.
- Security Clearance Level: Active TS/SCI with Polygraph is required.
- Growth: AI-powered career tool that identifies career steps and learning opportunities
- Support: An internal mobility team focused on helping you achieve your career goals
- Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
- Community: Award-winning culture of innovation and a military-friendly workplace
Skills
401k
Active Directory
Compliance
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