Incident Response & DFIR Lead at JustMarkets

We are inviting you, a highly motivated and results-oriented Incident Response & DFIR Lead to join our team on a full-time basis. Our team has unique expertise in research, analysis, and product development. By relying on technical insights and a data-driven approach, we create disruptive future-defining innovations of the fin-tech industry that remain our basis for success. Responsibilities * Lead incident response, containment and forensic coordination for confirmed security incidents * Act as Incident Commander for major security incidents within the defined authority model * Assign incident roles and maintain clear ownership of investigation, containment and recovery actions * Maintain incident timelines, evidence logs, decision logs and action tracking * Coordinate investigation across endpoints, servers, identities, cloud platforms, SaaS environments and relevant network telemetry * Direct forensic collection and analysis required to determine attack path, scope, persistence and impact * Coordinate containment actions with IAM, Platform, IT, Security Engineering, Product and other technical owners * Recommend high-impact containment decisions to the Group Manager of Cyber Defense and CISO where required * Coordinate eradication and recovery activities and ensure systems return to a sufficiently trusted state * Ensure relevant evidence is preserved for Legal, HR, regulatory, disciplinary and post-incident requirements * Maintain practical forensic and evidence-handling standards * Develop and maintain incident playbooks, forensic checklists and containment procedures * Lead post-incident reviews and root-cause analysis * Ensure post-incident remediation actions have accountable owners, due dates and follow-up * Identify telemetry, detection and forensic-readiness gaps exposed during investigations * Convert investigation findings into recommendations for Detection Engineering, IAM, Security Engineering, Product Security and other control owners * Support incident exercises and readiness testing * Develop and mentor Incident Response / DFIR Specialists * Coordinate with external forensic, incident-response or specialist providers where required * Provide concise incident updates to Cyber Defense leadership, CISO and relevant stakeholders Requirements * Strong hands-on knowledge of the incident response lifecycle: investigation, containment, eradication, recovery and lessons learned * Experience leading complex security incidents and coordinating multiple technical teams during active response * Practical experience investigating endpoint, identity, server, cloud or network compromise using EDR/XDR, SIEM and relevant audit logs * Ability to reconstruct attacker activity, including initial access, credential abuse, persistence, privilege escalation, lateral movement, data access and exfiltration * Working knowledge of digital forensics, evidence preservation, forensic timelines and chain-of-custody principles * Experience designing and validating containment actions such as endpoint isolation, account/session revocation, credential rotation, blocking indicators, network restrictions and service isolation * Experience with Microsoft Entra ID / Active Directory incident investigation * Understanding of common incident scenarios including ransomware, malware, phishing/BEC, account takeover, cloud/SaaS compromise, data exfiltration and insider misuse * Strong understanding of Windows, Linux, identity and enterprise networking from an investigation perspective * Ability to document technical findings, timelines, evidence, assumptions and containment recommendations clearly Will be a plus * Hands-on experience with Cortex XDR, Elastic Security or equivalent enterprise platforms * Experience investigating AWS or other cloud environments * Experience with forensic tools such as Velociraptor, KAPE, Volatility, Autopsy, Magnet, EnCase, FTK or equivalent * Experience investigating ransomware, BEC, insider-threat or cloud-account-compromise cases * Experience developing or improving incident response playbooks and containment procedures * Experience running tabletop or cyber incident exercises * Experience working with Legal, Privacy, HR or regulators during security incidents * Experience managing external DFIR or incident-response retainers * Python, PowerShell or other scripting experience useful for investigation and evidence processing * Experience in fintech, payments, brokerage, trading, banking or another regulated environment * Relevant certifications such as GCIH, GCFA, GCFE, GNFA, OSCP, CISSP or equivalent We offer * 20 paid vacation days per year * 10 paid sick leave days per year * Public holidays as per the company's approved Public holiday list * Medical budget * Opportunity to work remotely * Professional education budget * Language learning budget * Wellness budget (gym membership, sports gear and related expenses)

Incident Response & DFIR Lead

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