Senior IT Systems Administrator

This is an exciting opportunity to work in a hands-on enterprise infrastructure role supporting critical IT systems and services. You will work across server, storage, and backup technologies, including Pure Storage, NetApp, and Rubrik, helping to maintain the stability, performance, and reliability of core infrastructure platforms.

The role offers exposure to complex enterprise environments where you will troubleshoot technical issues, support operational improvements, and contribute to the ongoing management of modern infrastructure technologies. Working within a collaborative IT team, you will have the opportunity to further develop your technical expertise while playing a key role in supporting day-to-day operations.

This is a permanent full-time opportunity and can be based in Canberra or Sydney (preferred), Melbourne or Brisbane.

The successful candidate must hold an NV1 security clearance or higher.

Responsibilities:

• Administer and support enterprise server, storage, and backup infrastructure environments
• Manage and maintain storage platforms including Pure Storage and NetApp
• Administer backup and recovery solutions, including Rubrik
• Monitor system performance, capacity, and operational health across infrastructure platforms
• Perform system maintenance, upgrades, patching, and lifecycle activities
• Diagnose and resolve complex technical incidents and infrastructure issues
• Support virtualised environments and associated infrastructure services
• Maintain system security, backup integrity, and operational compliance standards
• Contribute to incident, problem, and change management activities
• Maintain accurate technical documentation, procedures, and operational runbooks
• Collaborate with internal IT teams and vendors to support operational outcomes
• Provide technical guidance and support to team members as required

• Bachelor’s degree in Information Technology or a related discipline, or equivalent industry experience
• Experience administering enterprise Windows and/or Linux environments
• Hands-on experience with enterprise storage platforms such as Pure Storage or NetApp
• Experience with backup and recovery technologies, ideally Rubrik
• Experience supporting virtualised infrastructure environments
• Strong troubleshooting and problem-solving skills
• Ability to work independently and manage operational priorities
• Understanding of enterprise infrastructure and operational support processes

All candidates will be required to hold and maintain an active NV1 Defence Security Clearance. Only candidates holding an NV1 Clearance or above should apply.

Pulled from the full job description

• Paid parental leave
• Parental leave
• Health insurance, * A workplace culture certified as a Great Place To Work
• Flexible working
• Competitive salary (including annual reviews)
• Paid parental leave
• Income protection
• Corporate rewards
• Salary packaging/Novated leasing
• Employee stock purchase plans
• Flu shots, skin checks and discounted private health insurance
• Career development: Online learning, mentorship and career pathways

We deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 38,000 people worldwide with customers in more than 80 countries and operations in over 29 countries.

KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results. At KBR, We Deliver.

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KBR in Australia

With over 65 years working on some of Australia’s largest and most complex projects, KBR has unmatched experience supporting the nation’s critical infrastructure, energy transition and national security priorities. KBR has around 2,000 employees throughout Australia, who are focused on delivering innovative technology and engineering solutions for a safer, more secure and sustainable future.

Learn more about KBR in Australia

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver - Together., As a Major Service Provider of the Australian Defence Force, an AGSVA security clearance will be required and compliance to International Traffic in Arms Regulations (ITAR). As such, our hiring decisions are based on the key requirements of each role and candidates are selected based on their unique strengths and experiences.