In-Demand Senior systems administrator Jobs in Greater Sydney Nsw

Senior IT Systems Administrator
KBR —Sydney NSW
- Full-time
- Bachelor's degree
- No degree
- Parental leave
Senior Systems Administrator
Light & Wonder —Silverwater NSW
- Full-time
- Azure
- Management
- Computer Science
- Parental leave
Senior Contracts Administrator
DCOH —Sydney NSW
- Full-time
- Engineering
- Master's degree
- Administrative experience
Quick Apply
Contract Administrator
AI Talent —Sydney NSW
- $70,000 - $120,000 a year
- 8 hour shift
- Hybrid work
- Microsoft Office
- Administrative experience
- Construction experience
- Work from home
Quick Apply
Senior Fund Administrator
Link Group —Parramatta NSW
- Contract
- Finance
- Communication skills
Senior Contracts Administrator
John Holland —Sydney NSW
- Contract
- Business
- Accounting
- Parental leave
8h
Project Administrator
MJD Recruitment —Sydney NSW
- $90,000 - $110,000 a year
- Full-time
- Hybrid work
- Microsoft Office
- Budgeting
- Communication skills
Quick Apply
13d
System Administrator 2 - Sydney, Australia
M.C. Dean, Inc —Sydney NSW
- Weekend availability
- Senior Secondary Certificate of Education
- Bachelor's degree
- Associate degree
- Tuition reimbursement
Personal Assistant/Accounts Administrator
Fusion People Pty Ltd —Sydney NSW
- $70,000 - $80,000 a year
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick Apply
IT Administrator
IREN —Sydney NSW
- Full-time
- Management
- Computer Science
- Administrative experience
- Annual leave
Senior Linux Administrator
Harvey Norman —Silverwater NSW
- Full-time
- Management
- Scripting
- Communication skills
- Parental leave
Senior Administration Coordinator
Nepean Blue Mountains Local Health District —Sydney NSW
- $71,072.43 - $73,287.41 a year
- Full-time
- Customer service
- Microsoft Office
- Administrative experience
- Employee assistance program
8d
Business Administrator
Arup —Sydney NSW
- Administrative experience
- Profit sharing
- Parental leave
14d
Office Manager
Medford Australia Pty Ltd —Sydney NSW
- $75,000 - $80,000 a year
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick Apply
Senior Developer
Apex Group —Sydney NSW
- Full-time
- Azure
- Computer Science
- DevOps
Senior IT Analyst
William Buck NSW —Sydney NSW
- $90,000 - $110,000 a year
- Full-time
- Azure
- Customer service
- Communication skills
- Employee assistance program
Quick Apply
Senior IT Analyst
William Buck —Sydney NSW
- $90,000 - $110,000 a year
- Full-time
- Azure
- Customer service
- Communication skills
- Employee assistance program
Senior Manager Divisional Planning and Enablement
Transport For NSW —Mascot NSW
- Full-time
- Communication skills
12d
Senior Product Manager, Core Proposition
Link Group —Sydney NSW
- Administrative experience
- Product management
- APIs
- Parental leave
- Employee assistance program
Salesforce Apex Senior Technical Lead - Lightning framework and administration
HCLTech —Sydney NSW
- Salesforce
- Administrative experience
- Communication skills

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Senior IT Systems Administrator

KBR -
Sydney NSW

Apply Now

Job Details

Full-time

Benefits

Complimentary flu shots
Parental leave
Salary packaging
Insurance services

Qualifications

Disaster recovery
Bachelor's degree
System security
Information Technology

Full Job Description

Title:

Senior IT Systems Administrator

At KBR – We do things that matter.

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.

Think.KBR.com

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.

The Opportunity:

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

As the ideal candidate you will bring:

NV1 security clearance
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.

What we will offer you:

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

If you’re ready to shape tomorrow, let’s get started. Apply Now!

Please note. Shortlisting will take place as applications are received, therefore the advertisement may close early if a suitable candidate is identified.

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.

Notice to Third Parties/Recruitment Agencies: KBR Australia does not accept unsolicited resumes or any liability associated with fees or costs from recruitment agencies, search firms or third parties who have not been engaged directly on this job opportunity. Candidates interested in applying are welcome to submit their application online.

Apply Now

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senior systems administrator jobs in greater sydney nsw

Senior IT Systems Administrator

Senior Systems Administrator

Senior Contracts Administrator

Contract Administrator

Senior Fund Administrator

Senior Contracts Administrator

Project Administrator

System Administrator 2 - Sydney, Australia

Personal Assistant/Accounts Administrator

IT Administrator

Senior Linux Administrator

Senior Administration Coordinator

Business Administrator

Office Manager

Senior Developer

Senior IT Analyst

Senior IT Analyst

Senior Manager Divisional Planning and Enablement

Senior Product Manager, Core Proposition

Salesforce Apex Senior Technical Lead - Lightning framework and administration

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