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Leidos vs SIAX Computing Solutions: Which MSP is Better? | The MSP Playbook

Leidos vs SIAX Computing Solutions

A detailed comparison of two major Australian Managed Service Providers.

Feature Leidos SIAX Computing Solutions
Overall Score3.7β€”
TypeUS Defense / IT ServicesMelbourne MSP / Cybersecurity
Employees48000Not publicly disclosed
Founded2013 (spin-off from SAIC)Not publicly disclosed
HeadquartersReston, Virginia, USAMelbourne, VIC
Revenue$16.0BPrivate
Salary Range$70,000 - $180,000Not publicly disclosed
SpecialtiesDefense IT, Cybersecurity, AI & Data, C4ISR, Digital Transformation, BiomedicalManaged IT Services, Cybersecurity, Microsoft 365, Azure, Cloud, Backup, Service Desk
CertificationsISO 27001, FedRAMP, NIST 800-53, CMMI Level 5, AWS Partnerβ€”
Green FlagsDominant 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)		24/7 security service advertised
Managed IT, cloud, and cybersecurity services documented
Cloudtango MSP Select 2026 recognition reported by provider
Red FlagsSecurity 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		Independent employee and client evidence remains limited in the public sources reviewed
Worker ProsMission-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		β€”
Worker ConsSecurity 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		β€”

Which MSP Should You Choose?

Both US Defense / IT Services and Melbourne MSP / Cybersecurity 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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⚠️ The Cost of Waiting

Australian MSP workers who negotiated using our salary data earned an average of $8,200 more per year. Every month you wait is ~$683 left on the table.

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🎁 Free Resource: Red Flag Checklist

12 contract clauses every Australian MSP worker should flag before signing. Includes non-compete traps, sham contracting indicators, and on-call gotchas.

βœ… Used by 2,400+ workers πŸ”’ Free download ⚑ 2-minute read