Senior System Administrator | Orbus Iserver

About the Company

Our client is a high‑profile Australian Government organisation operating at the forefront of national security, cyber defence and advanced technology. They play a critical role in protecting Australia from global threats and supporting national interests through cutting‑edge cyber and intelligence capabilities.

About the role

You will leverage your specialist expertise in Orbus iServer administration, Enterprise Architecture repository management, and secure ICT service delivery to maintain and enhance the Enterprise Architecture Repository, while supporting critical repository migration activities.

Role Responsibilities

• Support the team’s Solution Architect with expert ICT infrastructure and system integration advice to produce solution designs, systems views and architectures using logical models of components and interfaces
• Maintain knowledge and expertise within enterprise system offerings to ensure that solution designs are integrated, meet the business need, and are sustainable.
• Work collaboratively with stakeholders and subject matter experts to gain commitment to business objectives.

Qualifications and Technical Skills

• Holds a bachelor’s degree in computer science, Information Systems, Information Technology or related fields.
• Strong understanding of network fundamentals, such as protocols, architectures, devices, topologies and standards.
• Orbus iServer (mandatory);
• Microsoft IIS (mandatory);

What is on offer

• 12-month contract, with 2 x 12-month extension options.
• Competitive hourly rate.

Security Requirements:

To be eligible for this role, you must be an Australian Citizen. Due to the work environment, our client has requested that all candidates are required to hold a current TSPV Security Clearance. The successful candidate will need to undergo an additional security assessment before commencing in the role.

How to Apply

Please upload your resume to apply. Please provide a supporting statement highlighting your skills, experience, and capability against the position description to complete this application process. We will be in touch with instructions for suitably skilled candidates. Submission closes by COB, Thursday 17th September 2026.

Please call Kandice Halls on 0480 002 461 for any further information. Candidates will need to be willing to undergo pre-employment screening checks which may include, ID and work rights, security clearance verification, and any other client-requested checks.

Why partner with Whizdom?

We’re Whizdom. We view you as an extension of our strong, dependable brand and have differentiators which really are different! The Whizdom way:

• We pay our contractors same day you submit your timesheet!
• We are Level 3, DISP certified and have signed the Veteran Employment Commitment and been awarded the highest level of compliance to this important initiative, proactively assisting veterans transitioning from the forces to civilian roles. We’ve been lucky enough to win industry awards for our high level of process compliance and are ISO 9001 certified. Our commitment to reducing Greenhouse Gas Emissions has been accredited in line with large global organisations.
• We value diversity and welcome applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability.

Our team of talented people are passionate about your experience, doing the right thing always, with a focus on your long-term career goals. We even give you a best in industry merch pack! Even if this role isn’t the exact fit for you, we would love a chat, contact us to find out more!