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)