Secure systems. Real-world delivery.
Calexi is an Australian technology engineering firm delivering cyber security, ICT, and systems engineering services to government, Defence industry, and regulated organisations.
We specialise in designing and delivering secure systems that operate reliably under real-world constraints. From governance and assurance through to engineering, implementation, and uplift, Calexi helps organisations move beyond compliance theatre and into practical, defensible security outcomes.
Our team brings deep experience across Defence, national security, and enterprise environments, enabling us to operate confidently within frameworks such as ISM, PSPF, DISP, Essential Eight, and ISO-aligned governance models. We work closely with executive, technical, and operational stakeholders to deliver solutions that are fit for purpose, cost-effective, and operationally sustainable.
Calexi is trusted by clients who need clarity, accountability, and systems that work when it matters most.
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Min project size
$10,000+
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Hourly rate
$150 - $199 / hr
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Employees
2 - 9
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Year founded
Founded 2025
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