security administrator jobs in Australia

At Centorrino Technologies (CT), we're more than just tech—we're a community that goes beyond expectations. We've been recognised as a Great Place to Work in 2024 and one of the Best Places to Work Medium Size in Australia for 2024, with an outstanding eNPS score of 68. And we're not stopping there. We're on a mission to redefine the customer experience, and we need a passionate Cyber Security...

A defence contractor is seeking a Hardware Systems Administrator to play a key role in supporting mission readiness and operational performance. The position is based onsite in Exmouth, Western Australia, and relocation support is provided. Candidates should have strong Linux and Red Hat system administration skills, CCNA certification, and must ideally hold NV1 or NV2 clearance. The role...

About the job Network Security Administrator We are Fujitsu We use technology to make happier lives. We are a global leader in technology and business solutions that transform organizations and the world around us. We have a long heritage of bringing innovation and expertise, continuously working to contribute to the growth of society and our customers. About the role We are seeking ambitious...

A Defence-focused IT firm is seeking a Systems Administrator to join their team in Australia. The ideal candidate will possess a strong background in network security and system administration, alongside the necessary Australian Defence security clearance. Responsibilities include implementing ISM/Essential 8 controls and supporting Defence operations. This 12-month contract offers the...

A leading private firm in South Australia is seeking a skilled IT Systems Administrator to oversee the operation and maintenance of IT systems and network infrastructure. You will be responsible for providing technical support, managing security policies, and ensuring efficient technology delivery. The ideal candidate has expertise in Microsoft 365, server management, and networking technologies....

A leading educational institution in Victor Harbor is seeking an experienced ICT Systems Administrator for a full-time position. The role is crucial for maintaining a secure and reliable technological environment, ensuring both teaching excellence and day-to-day operational efficiency. Candidates should possess relevant experience and a proactive approach, and be ready to thrive in a...

A leading defence contractor in Australia is seeking a Senior Linux Administrator to support complex ICT systems on the AIR 6500 Program. The candidate should have a Defence background and enjoy working in secure, demanding environments. Key responsibilities include managing the lifecycle of Linux systems, supporting infrastructure, and ensuring compliance with Defence standards. The role offers...

RFQ-ASD-LH-05285 Senior Security System Administrator Due to the nature of clients we work with here at Kinexus and the projects these roles will be based on, an Australian Government Top Secret Positive Vetting (TSPV) clearance is essential. These opportunities do not have the ability to obtain sponsorship for a security clearance (including applicants who currently hold a security clearance...

A growing technology firm in Australia is seeking an experienced Principal System Administrator to lead secure data management for defense and national security sectors. The role includes designing and maintaining IT operations while ensuring compliance. Ideal candidates should have over 5 years of experience along with expertise in Linux and Active Directory. The position offers a competitive...

A technology solutions provider in Western Australia is seeking a skilled Systems Administrator to manage and optimise IT systems for reliability and performance. Key responsibilities include maintaining servers and networks, troubleshooting issues, and ensuring security measures are in place. Candidates must have a Bachelor’s degree in IT or a related field along with relevant experience. The...

IT Systems & Cyber Security Administrator Start your journey in 2026 with a fresh role in our State‑of‑the‑Art Office with Rooftop & Views! Join our fun & vibrant friendly team! Join an ASX listed company! Bhagwan Marine is looking for a hands‑on IT Support Technician to join our growing ICT team and provide front‑line technical support to our nationwide workforce. This is the perfect...

A leading technology firm in Australia is looking for a Systems Administrator responsible for managing and maintaining ICT systems, ensuring security, performance, and operational readiness. The ideal candidate will possess technical expertise in both Windows and Linux environments, knowledge of network infrastructure, and five years' experience in a similar role. Professional certifications such...

A federal government service provider in Canberra is seeking a Senior Linux Administrator to maintain application support, implement agile development practices, and ensure application performance and security. The ideal candidate will provide enhanced user training following software updates. This role supports equal employment opportunities and encourages applications from people with...

A leading Australian consultancy is seeking a skilled Citrix Administrator to support a large ICT engagement within the National Intelligence Community. The role requires experience in government environments, active TS PV Security Clearance, and proficiency in Microsoft Server technologies. Responsibilities include administering security software and supporting virtual Windows desktop...

A dynamic ICT team is seeking a highly skilled ICT System Administrator in Western Australia. You will be responsible for maintaining systems, ensuring their reliability and security. Key duties include system configuration, user management, and providing high-level technical support. The ideal candidate will have strong knowledge of Windows and Linux OS, networking protocols, and security best...

A leading defense contractor in Australia is seeking a Senior Systems Administrator to manage and maintain ICT systems. This critical role involves technical leadership, ensuring optimal performance, and compliance with cybersecurity standards. The candidate requires a Bachelor's degree in Computer Science or IT and a minimum of 8-10 years of experience. Proficiency in both Microsoft and Linux...

A technology services company is seeking a Salesforce Administrator to assist with administrative functions, manage Salesforce Sandboxes, and support business teams. The ideal candidate will have 1-2 years of experience within the Salesforce eco-system and a Salesforce Admin certification. Strong problem-solving and communication skills are essential. This role requires candidates to be...

SOAR Administrator – Security Orchestration, Automation, and Response Base pay range: A$90,000.00/yr - A$125,000.00/yr. This range is provided by Centorrino Technologies. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Centorrino Technologies (CT) is a community-focused technology company recognised as a Great Place to Work in 2024 and among...

One of our Federal Government clients is looking for ICT Security Systems Administrator in Canberra, Brisbane, Melbourne and Adelaide. We are looking for the following Skills/Experience: - Execute systems engineering tasks in the design, development, deployment and sustainment of security capabilities. - Develop and maintain complex ICT Security capabilities comprising of COTS, GOTS in house...

A federal government contractor is seeking an ICT Security Systems Administrator to execute systems engineering tasks and manage complex ICT Security capabilities across multiple locations, including Canberra and Melbourne. The ideal candidate will develop and maintain security environments, ensuring optimal network performance and problem resolution. Interested applicants can contact us via...