CyberSecurity Specialist

Há 2 dias

São Paulo, São Paulo, Brasil Betta Global Partner Tempo inteiro

We're Hiring: Cybersecurity Specialist

(SIEM / SOAR / Detection Engineering / CSIRT / Automation)

Location:
[Remote / Hybrid / On-site – SP]

Employment Type:
Full-time

Experience Level:
Senior

Role Overview

We are seeking a
Cybersecurity Specialist
to join our
Cybersecurity Engineering and Response Team (CSIRT)
. This role combines
detection engineering, SIEM & SOAR development, security automation, and incident escalation
, with direct involvement in
security projects and platform implementations
.

You will play a critical role in strengthening detection capabilities, improving incident response workflows, and implementing enterprise-grade cybersecurity solutions across the organization.

Key Functions & Responsibilities

  • Act as an active member of the
    CSIRT / CESRT
    , supporting incident response and threat containment
  • Handle
    incident escalation
    from SOC Tier 1/2 through advanced investigation and resolution
  • Design, develop, and maintain
    SIEM correlation rules
    , detections, and advanced queries
  • Perform
    SIEM engineering
    : log onboarding, parsing, normalization, tuning, and optimization
  • Develop and manage
    SOAR playbooks
    , automations, and response workflows
  • Implement
    security automation
    using scripting, APIs, and orchestration platforms
  • Lead or contribute to
    security projects
    , including:
  • SIEM / SOAR platform implementation and upgrades
  • EDR/XDR deployment and optimization
  • Integration of security tools and data sources
  • Map detections and response processes to
    MITRE ATT&CK
    and
    NIST frameworks
  • Collaborate with IT, SOC, Cloud, and Infrastructure teams on security architecture and improvements
  • Reduce false positives and continuously enhance detection coverage and response effectiveness
  • Create and maintain technical documentation, runbooks, and incident procedures

Required Skills & Experience

  • Proven experience in
    Cybersecurity, SOC, Detection Engineering, or Incident Response
  • Strong hands-on experience with
    SIEM platforms
    (NG-SIEM, Splunk, Microsoft Sentinel, QRadar, Elastic, etc.)
  • Experience building
    correlation rules, queries, dashboards, and alerts
  • Hands-on experience with
    SOAR platforms and security automation
  • Strong understanding of
    NIST
    ,
    MITRE ATT&CK
    , and incident response lifecycle
  • Experience with
    programming or scripting languages
    (Python, PowerShell, Bash, etc.)
  • Experience integrating security tools using
    REST APIs
  • Ability to manage escalations and work under incident-driven pressure

Certifications (Required or Preferred)

  • CompTIA Security+
  • CISSP
    or equivalent
  • CrowdStrike Certifications
    : CCFA, CCSE (or equivalent experience)
  • Additional security certifications are a plus

Nice to Have

  • Hands-on experience with
    CrowdStrike Falcon (EDR/XDR)
  • Cloud security experience (AWS, Azure, GCP)
  • Experience in
    enterprise SOC or MSSP environments
  • Exposure to DevSecOps and security-as-code
  • Experience leading or contributing to security architecture projects

What We Offer

  • Competitive salary and benefits
  • Opportunity to work on
    enterprise-scale security projects
  • Direct involvement in
    CSIRT operations and strategic security initiatives
  • Career growth, training, and certification support
  • Collaborative, security-first culture

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