Senior Security Engineer – Incident Response

Nubank

. Investigate complex cases to understand mechanisms of abuse and guide strategies to mitigate or detect anomalies .

Posted 9/23/2026full-timeSão Paulo • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in incident response and management, with a strong focus on analyzing security vulnerabilities and automating workflows using Python and SOAR platforms. Capable of translating complex technical findings into actionable insights for diverse stakeholders.

Highest-signal resume keywords

Incident Response Analyst/Specialist ExperienceSecurity Vulnerabilities UnderstandingPython ProficiencyCloud Infrastructure Management (AWS/GCP/Azure)SOAR Platform Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Incident ResponseData AnalysisRisk MitigationThreat Trend IdentificationAutomationRemediation MethodologiesTechnical ReportingComplex Case InvestigationData-Driven Decision MakingSecurity Threat Protection

Soft Skills

Clear CommunicationStakeholder CoordinationCollaboration

Tools & Technologies

SOAR PlatformsPythonCloud Infrastructures (AWS/GCP/Azure)

Industry Keywords

Mitre ATT&CKIncident CommandTechnical Incident ManagementHigh-Scale EnvironmentsEmerging Threat Trends

Tech Stack

Tools & technologies

AWSAzureCloudGoogle Cloud PlatformPython

About the role

Key responsibilities & impact

Investigate complex cases to understand mechanisms of abuse and guide strategies to mitigate or detect anomalies
Act as the technical Incident Commander during major crises, coordinating technical workstreams and providing clear, data-driven updates to stakeholders
Drive the creation and refinement of SOAR playbooks and Python-based tools to automate repetitive tasks and scale operations
Analyze large datasets to identify emerging threat trends, support long-term detection improvements, and quantify risk
Protect Nubank customers and employees from potential security threats through incident response, investigations, and risk mitigation

Requirements

What you’ll need

Solid experience as an Incident Response Analyst/Specialist, with a track record of handling investigations in complex, high-scale environments
Deep understanding of security vulnerabilities, attacker TTPs (Mitre ATT&CK), and modern remediation methodologies
Hands-on experience with incident response and management within cloud infrastructures (AWS/GCP/Azure)
Strong skills in Python and SOAR platforms to build self-healing or automated response workflows
Ability to translate complex technical findings into clear, actionable reports for both technical peers and executive leadership
Proficient in both understanding and speaking English for global collaboration
Availability to work onsite two to three days per week
Legally authorized to work in the country where this position is located

Benefits

Comp & perks

Chance of earning equity at Nubank
Food/ Meal Card (Vale-Refeição and/or Vale Alimentação)
Public Transportation Commuting Benefit (Vale-Transporte)
NuCare – Psychological, Financial and Legal Assistance Program
Life Insurance
Medical Plan
Dental Plan
NuLanguage – Language Course Program
Nucleo - Our learning platform of courses
Extended Parental Leave
Daycare Allowance
Parental Consultancy
Work-from-home Allowance
Gym Partnerships
30 days of paid vacation
Relocation Assistance Package, if applicable