A detailed comparison of two major Australian Managed Service Providers.
Feature
AC3
Leidos
Overall Score
3.7
3.7
Type
Cloud / Public Sector
US Defense / IT Services
Employees
200-300
48000
Founded
2000
2013 (spin-off from SAIC)
Headquarters
Sydney, NSW
Reston, Virginia, USA
Revenue
Private
$16.0B
Salary Range
$75,000 - $155,000
$70,000 - $180,000
Specialties
AWS, Azure, Cloud Migration, Government Cloud
Defense IT, Cybersecurity, AI & Data, C4ISR, Digital Transformation, Biomedical
Certifications
AWS Partner, Microsoft Partner, VMware Partner, ISO 27001
ISO 27001, FedRAMP, NIST 800-53, CMMI Level 5, AWS Partner
Green Flags
Good work-life balance Strong cloud focus Stable employment
Dominant US defense and intelligence IT contractor β mission-critical work Strong technical depth in AI, cybersecurity, C4ISR, and biomedical Fortune 500 stability with consistent revenue and earnings growth Excellent benefits and pension for US-based defense sector employees Science and engineering culture from heritage roots (SAIC spin-off)
Red Flags
Below-market salaries Limited career progression Can be risk-averse
Security clearance requirement limits talent pool significantly US-based only β limited international career mobility Government contracting bureaucracy slows innovation and agility Below-market compensation compared to commercial tech sector Ethical concerns around defense work may conflict with personal values
Worker Pros
Cloud focus Work-life balance Stable
Mission-critical work with national security impact Excellent benefits and pension for US defense employees Fortune 500 financial stability Deep AI, cyber, and C4ISR technical depth
Worker Cons
Below-market pay Limited progression Risk-averse
Security clearance process is slow and restrictive Below-market comp vs commercial tech Limited international exposure β US-centric Government contracting red tape slows everything Defense work ethics may conflict with personal values
Both Cloud / Public Sector and US Defense / IT Services have strengths and weaknesses. Your choice depends on your priorities β whether that's career growth, salary, work-life balance, or technical exposure.
Use the side-by-side comparison tool for a deeper look, or check out individual profiles for detailed employee reviews.
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