Information Security Specialist

Portobello Shop

Technical specialist in information security operations for Portobello Shop, leading security strategies and team development.

Posted 6/30/2026full-timeRemote • BrasilMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudCyber SecurityFirewallsLinuxOpen SourcePython

About the role

Key responsibilities & impact

Technical owner for the information security operations platform, responsible for the architecture, strategy, and sustaining controls for detection, incident response, vulnerability management, identity management, and perimeter governance.
Primary technical reference for the area, contributing to process maturity and the technical development of the team.
Architect, deploy, and direct the maintenance of an open-source-based SIEM platform, including data collection, normalization, event correlation, processing pipelines, and retention policies.
Develop and maintain detection use cases aligned with the MITRE ATT&CK framework, with continuous tuning to reduce false positives and increase detection effectiveness.
Strategically lead the corporate Vulnerability Management program, including risk-based prioritization, coordination of remediation with technology teams, and monitoring executive-level indicators.
Define and govern Identity and Access Management (IAM) processes: identity lifecycle, segregation of duties, RBAC, MFA, and periodic access reviews.
Govern policies and rules for Next-Generation Firewalls (NGFW): network segmentation, periodic rule reviews, and hardening.
Provide technical leadership for response to critical security incidents, supporting containment, forensic analysis, and coordination of remediation activities.
Implement and monitor hardening of environments based on recognized industry benchmarks (CIS Benchmarks).
Develop automations and integrations using tools and scripting languages to optimize team operations.
Prepare and maintain high-complexity technical documentation, standard operating procedures, security policies, and reference architectures.
Act as a mentor to team analysts, promoting knowledge transfer, technical culture, and operational continuity.

Requirements

What you’ll need

Solid and proven experience in Information Security operations (SecOps, Blue Team, or related areas).
Advanced hands-on experience with open-source SIEM platforms (creating complex rules, event correlation, tuning, and detection engineering).
Experience designing and running corporate Vulnerability Management programs.
Experience with commercial Vulnerability Management tools (Qualys, Tenable, Rapid7, or equivalents).
Experience in governance of Identity and Access Management (IAM), including Active Directory, SSO, MFA, identity federation, and RBAC models.
Experience in administration and governance of Next-Generation Firewalls (Check Point, Palo Alto, Fortinet, or equivalents).
Applied knowledge of the ISO/IEC 27001, NIST Cybersecurity Framework, and CIS Controls frameworks.
Experience with automation using Python, Bash, or PowerShell.
Proficiency with Windows and Linux environments.
Knowledge of Cloud environments (AWS, Azure, or OCI).
Technical autonomy and resilience to make decisions under resource constraints or crisis scenarios.
Highly collaborative profile and orientation toward solving complex problems.
Excellent verbal and written communication to interact with both technical and executive (non-technical) audiences.
Commitment to documentation and knowledge dissemination.
Differential:
Advanced knowledge of regex and building custom parsers.
Recognized certifications in Information Security (e.g., CISSP, CISM, CompTIA CySA+, Security+, eLearnSecurity).
Practical knowledge of the Brazilian General Data Protection Law (LGPD) applied to log management and security monitoring.
Experience in Operational Technology (OT) / industrial environments.

Benefits

Comp & perks

Life insurance;
Health and dental insurance;
On-site cafeteria/restaurant;
Transportation voucher or dedicated company shuttle for employees - specific routes;
Portobello Corporate University platform;
On-site medical clinic;
Workplace exercise program (ginástica laboral);
Profit Sharing (PPR);
Discounts at local pharmacies;
Free parking;
Private pension plan;
Union membership;
Discount network - partnerships with various educational institutions;
Discounts on Portobello product purchases;
Vacation bonus (Abono Férias);
"Mother Support" allowance - to purchase baby layette;
Childcare allowance;
Assistance for dependents with disabilities (PCD dependents);
Professional training and development programs;
Wellhub and many more!!!

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

SIEM ArchitectureEvent CorrelationDetection EngineeringVulnerability Management ToolsNext-Generation Firewalls (NGFW)ISO/IEC 27001NIST Cybersecurity FrameworkCIS ControlsWindows AdministrationLinux Administration

Soft Skills

Technical LeadershipCollaborationProblem-SolvingCommunicationMentoring

Certifications

CISSPCISMCompTIA CySA+Security+ELearnSecurity