Offensive Security Engineer-Sydney/Brisbane

Only for Australia PR/Citizens

Job Title: Offensive Security Engineer (Red / Purple Team)

Location: Brisbane / Sydney

Responsibilities:

• Runs red and purple team engagements against critical apps, infrastructure and controls


• Builds and maintains fit-for-purpose red team infrastructure


• Validates controls, detection and logging; finds gaps and proves they are closed


• Owns and matures Breach & Attack Simulation


• Uses AI to scale attack-path analysis and prioritise the gaps that matter


• Closes the loop: proposes remediation, new detections, log sources and controls; drives findings into the engineering backlog

Must-have skills:

• Hands-on offence: adversary emulation, C2, exploitation, attack-path analysis across cloud / infra / endpoint


• Detection and logging fluency (the purple half)


• BAS and ATT&CK


• Python and automation; tight rules-of-engagement discipline

• AI coding / agentic tools (GPT-5.5 Trusted Access for Cyber, Codex, Claude Code, Copilot or similar) to find and prove exploitable vulns at repo scale


• GitLab Ultimate; standing up AI-assisted code-analysis infrastructure


• Detection engineering


• Application / code security experience (SAST, DAST, SCA)

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