Offensive Cyber Security Engineer

Location

Porto, Portugal (Hybrid)

Responsibilities

• Lead structured threat modelling activities (STRIDE, attack trees, MITRE ATT&CK) for new features and architectural changes.
• Design and execute advanced red team engagements and breach & attack simulation (BAS) campaigns.
• Conduct persistent and stealthy operations simulating advanced threat actors.
• Perform assume-breach scenarios across endpoints, cloud, identities, and external attack surfaces.
• Execute physical, social engineering, and hybrid attack scenarios when required.
• Run automated and manual adversary emulation campaigns using industry tools (e.g., Cobalt Strike, Sliver, Caldera, Atomic Red Team).
• Develop custom tooling, payloads, and infrastructure to bypass modern security controls (EDR/XDR, SIEM).
• Perform post-exploitation activities and lateral movement across Azure, Kuber...