Lead Cyber transformation for mission-critical programs shaping Australia’s future at Leidos Australia. Oversee secure architecture design and strategic security investments across large-scale environments.
Responsibilities
Lead the design and assurance of secure, resilient and mission-ready architectures across complex, high-assurance environments
Shape cyber strategy and security architecture across large-scale transformation programs
Define end-to-end cyber solutions across secure cloud, hybrid infrastructure and deployed environments
Embed security-by-design principles into enterprise and solution architectures
Lead risk reduction activities, cyber architecture strategy across cloud, infrastructure, digital platforms and enterprise observability ecosystems
Develop security plans, policies and procedures
Conduct threat modelling, risk assessments and security architecture reviews across mission-critical systems
Define secure reference architectures, patterns, standards and hardening baselines
Integrate security principles across identity, network, workload and data domains
Guide secure cloud migrations, ensuring cyber hardening and compliance from design through deployment
Oversee testing, troubleshooting, cyber hardening and secure debugging of software-intensive systems
Partner with CTO, CISO and operational teams to define long-term cyber roadmaps
Influence executive stakeholders on cyber risk, resilience and strategic security investments
Lead and uplift technical teams across capture, mobilisation and program delivery
Act as a trusted cyber-SME in presales, business development , on contract growth and strategic engagements
Collaborate with international Leidos teams to leverage and repatriate global cyber capability
Requirements
10+ years’ experience in cyber security architecture, engineering or secure systems design
Ability to translate complex security problems for non cyber security speakers
Proven experience delivering cyber transformation across large-scale cloud and hybrid environments
Proven ability to lead and advocate in a complex multi-discipline environment where cyber is just one of the constraints being considered
Deep expertise in secure solution architecture across: Mission software systems, Cloud platforms (AWS, Azure, GCP or Oracle), Infrastructure platforms and deployed information environments
Knowledge of security frameworks and their application including for the Information Security Manual (ISM), ISO 27001 and NIST 800-53
Experience with environment monitoring and observability with security telemetry
Understanding of secure SDLC, DevSecOps and systems integration
Exposure to both Waterfall and Agile delivery models
Experience influencing executive stakeholders on cyber risk and architectural direction
Demonstrated leadership across technical teams in capture, R&D and complex program delivery
Experience within government, defence, intelligence or regulated environments (highly regarded)
Model Based Systems Engineering (MBSE) experience (highly regarded)
A strong sense of ownership, accountability and delivery focus.
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