Senior Breach and Attack Simulation Specialist

GMS-Staff-BAS-AttackIQ At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all. CMS-TDR – Senior (BAS – AttackIQ) Job Summary We are looking for Breach & Attack Simulation professional with 2+ years of hands on experience in AttackIQ to validate security controls, identify detection gaps, and strengthen the organization’s cyber defense posture through threat informed simulations. Key Responsibilities Execute and manage attack simulations and adversary emulation exercises using AttackIQ Validate security controls across endpoint, network, identity, cloud, and email security Map simulation results to MITRE ATT&CK and identify coverage gaps Collaborate with SOC, Detection Engineering, and Threat Hunting teams to improve detections Produce clear technical and executive level reports on control effectiveness and risks Support purple team exercises and continuous security validation efforts Required Skills Strong hands on experience with AttackIQ (mandatory) Solid understanding of MITRE ATT&CK framework Experience working with EDR, SIEM, IAM, and network security controls Good knowledge of SOC operations and incident response workflows Preferred Skills Experience with Microsoft Defender, Sentinel, or similar SOC tools Scripting knowledge (PowerShell / Python) Exposure to other BAS tools (SafeBreach, Cymulate, Picus – optional) AttackIQ or security certifications (good to have) EY | Building a better working world EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets. Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate. Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today. Experience Level Senior Level