security administrator jobs in Sydney, NSW

A leading technology firm in Sydney is seeking a Systems Administrator to oversee the IT infrastructure and ensure security across operations. The ideal candidate will have over 5 years of experience in system administration within a corporate environment, with hands-on experience in managing servers, hybrid Active Directory environments, and cybersecurity protocols. This is a full-time position,...

A government agency in New South Wales is seeking a Systems Administrator for an ongoing full-time role. This position requires proven experience in systems administration, with responsibilities including managing servers and providing user support. Ideal candidates should have strong knowledge of Windows operating systems and experience with security and backup solutions. The role offers...

A leading technology firm in Australia is looking for an IBM WebSphere MQ Administrator to support and maintain messaging infrastructure for legacy systems. This role, based in Sydney, is ideal for an MQ specialist with experience in secure, regulated environments. Responsibilities include installing, configuring, and monitoring IBM WebSphere MQ environments, troubleshooting messaging issues, and...

A leading consultancy in construction seeks an IT Support Administrator for its Sydney office. This role requires 3-5 years of IT systems administration experience and a relevant degree. Responsibilities include maintaining IT infrastructure, managing user accounts, applying security measures, and coordinating with vendors. The company offers competitive salary and perks like wellbeing days and...

HUB24 leads the wealth industry as the best provider of integrated platform, technology and data solutions. At HUB24, we know the smartest investments start with our people. We are innovative and ambitious, and we move fast.At HUB24, we empower our employees to bring their ideas and creativity to work. Rather than getting bogged down in bureaucracy and red tape, we build a culture that supports...

A government entity in New South Wales is seeking a Systems Administrator to enhance ICT systems supporting democratic processes. This ongoing full-time role involves planning, installing, and maintaining secure ICT infrastructure. Preferred candidates will have proven systems administration experience, knowledge of Windows environments, and familiarity with security solutions. This position...

A leading construction firm is seeking experienced Contract Administrators and Site Engineers to support high-value construction projects across Sydney and NSW. Candidates must be Australian citizens and able to maintain an AGSVA Security Clearance. Roles involve planning, coordination, contract administration, and stakeholder management. The company promotes career development and work-life...

A global technology company is seeking a Systems Administrator to manage ICT systems at their HMAS Watson location in NSW. The role demands strong technical expertise in Windows and Linux systems, cybersecurity compliance, and the ability to troubleshoot complex issues. Candidates should have a Bachelor's degree in IT and relevant certifications, along with a minimum of 5 years of experience. The...

A non-profit organization in New South Wales seeks a Network Administrator II to oversee daily network operations. The role includes troubleshooting, network configuration, and security enforcement, requiring a Bachelor’s degree in Computer Science, along with substantial hands-on experience. Ideal candidates will demonstrate strong skills in Windows Server, Cisco devices, and TCP/IP protocols,...

A technology services provider in New South Wales is looking for a Network Administrator II. This position focuses on maintaining and securing network performance, diagnosing issues, and implementing upgrades. The ideal candidate has a Bachelor's degree in Computer Science, at least 4 years’ experience, and a strong understanding of Windows Server and networking principles. Join a collaborative...

A technology solutions provider in Australia is seeking a reliable and skilled Network Administrator to maintain a secure and efficient data communications network. The ideal candidate will deploy, configure, and monitor network equipment while ensuring compliance with security requirements. Responsibilities include troubleshooting Wi-Fi services, performing maintenance, and providing guidance on...

A leading financial services provider in Australia is looking for a Data Warehouse and Business Intelligence Administrator to manage WES databases and BI tools. This role includes responsibilities such as database administration, supporting ETL processes, and ensuring data integrity. Candidates should have at least 5 years of experience in database management, a strong understanding of BI...

Whizdom Sydney, New South Wales, Australia DevOps Engineer Join to apply for theDevOps Engineerrole atWhizdom Base Pay Range A$*****/hr - A$*****/hr Contract role – 6+ months Location – Sydney, NSW Rate – $504 per day including super About the Client Our client is a multinational corporation that provides information technology, consulting, and business process services to a range of clients...

Employment Type: PermanentFull Time, 38 hours per week Location: Liverpool Hospital Position Classification: Administration Officer Level 3 Remuneration: $68,****** - $70,****** per annum Requisition ID: REQ Application Close Date: 09/11/2025 Interview Date Range: 12/11/2025 – 19/11/2025 Contact Details: Huss Hassan | | About the Opportunity Liverpool Hospital is seeking a proactive and...

Administration Officer (Lvl 3) - Security Department - Liverpool Hospital - Perm FT ? South Western Sydney Local Health District ? REQ****** Requisition # Employment Type:Permanent Full Time, 38 hours per week Location:Liverpool Hospital Position Classification:Administration Officer Level 3 Remuneration:$68,****** - $70,****** per annum About the Opportunity Liverpool Hospital is seeking a...

An excellent permanent opportunity for an experienced Cyber security platforms administrator to use their skills At RT Heath, we’re all about community. It’s the reason we were founded back in 1889 and it’s why we’re still here today supporting more than 48,000 hardworking Aussies across the rail, transport and energy industries. Australia’s first registered health fund and proudly not for...

Jump Trading Group is committed to world class research. We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting edge research to global financial markets. Our culture is unique. Constant innovation requires fearlessness, creativity, intellectual honesty, and a relentless competitive streak. We believe in...

Want to elevate your career to a Higher Altitude? Come join our dedicated team that are committed to a Safety First Culture. Global Brand, Market Leaders. At dnata catering & retail the sky truly is the limit! We are seeking an experienced professional to join our National Security team, at our Sydney Airport catering facility. A great opportunity exists as our fulltime Security & Compliance...

Employment Type: PermanentFull Time, 38 hours per week Location: Liverpool Hospital Position Classification: Administration Officer Level 3 Remuneration: $68,****** - $70,****** per annum Requisition ID: REQ****** Application Close Date: 09/11/2025 Interview Date Range: 12/11/2025 – 19/11/2025 Contact Details: Huss Hassan | | About the Opportunity Liverpool Hospital is seeking a proactive and...

A leading consultancy in construction seeks an IT Support Administrator for its Sydney office. This role requires 3-5 years of IT systems administration experience and a relevant degree. Responsibilities include maintaining IT infrastructure, managing user accounts, applying security measures, and coordinating with vendors. The company offers competitive salary and perks like wellbeing days and...