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Vivovita

Senior Network Security Analyst

Vivovita

. Manage and enhance network security infrastructure, focusing on Proxy and Content Filtering, while ensuring the availability, performance, and protection of corporate environments .

Posted 10/5/2026full-timeRio de Janeiro • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in managing network security infrastructure, particularly in Proxy and Content Filtering, while ensuring compliance with internal policies and regulatory requirements. Proficient in analyzing security incidents and implementing technical controls to enhance corporate security posture.

Highest-signal resume keywords
Network Security ManagementProxy And Content Filtering SolutionsIncident Analysis And ResponseNetwork Protocols KnowledgeCertifications In Networking Or Information Security

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Network InfrastructureNetwork SecurityIncident InvestigationSecurity Event MonitoringRisk AnalysisTroubleshootingOperational AutomationContent Access PoliciesWeb Access Controls IntegrationHigh-Availability Environments
Soft Skills
CollaborationProblem-SolvingTechnical Documentation
Tools & Technologies
FortinetPalo AltoCiscoProxy SolutionsContent Filtering Solutions
Certifications & Qualifications
Networking CertificationsInformation Security Certifications
Industry Keywords
ComplianceRisk MitigationTechnical ControlsNetwork ProtocolsSecurity Solutions

Tech Stack

Tools & technologies
DNS

About the role

Key responsibilities & impact
  • Manage and enhance network security infrastructure, focusing on Proxy and Content Filtering, while ensuring the availability, performance, and protection of corporate environments
  • Support the Executive Directorate in defining, implementing, and maintaining technical controls that ensure secure internet access, compliance, and risk mitigation
  • Administer and maintain Proxy and Content Filtering solutions in a corporate environment
  • Monitor security events, alerts, and indicators related to network traffic and web browsing
  • Support the implementation of content access, blocking, allowlisting, and categorization policies
  • Analyze incidents, investigate deviations, and handle security events
  • Participate in projects to improve, expand, and upgrade network security infrastructure
  • Prepare technical documentation, operating procedures, and change records
  • Collaborate with internal teams and vendors to provide support, make adjustments, and resolve issues
  • Ensure compliance with internal policies, best practices, and regulatory requirements

Requirements

What you’ll need
  • Experience with network infrastructure and network security in a corporate environment
  • Experience administering Proxy and Content Filtering solutions
  • Knowledge of network protocols, routing, DNS, HTTP, and HTTPS
  • Ability to analyze and troubleshoot network and security incidents
  • Experience with monitoring, logs, and investigation of technical events
  • Bachelor’s degree in Information Technology, Networking, Information Security, or a related field
  • Previous experience in large-scale, high-availability environments
  • Knowledge of security solutions such as Fortinet, Palo Alto, Cisco, or equivalent technologies
  • Experience integrating web access controls with corporate policies and compliance requirements
  • Certifications in networking or information security
  • Experience automating operational routines and driving continuous improvement
  • Knowledge of risk analysis and incident response
  • Experience with security platform migration, upgrade, or consolidation projects

Benefits

Comp & perks
  • Meal voucher (Pluxee Benefits)
  • Medical and dental insurance (also available to dependents)
  • Childcare assistance
  • Life insurance
  • Private pension plan
  • Birthday day off (one day off during your birthday month)
  • Profit sharing
  • Exclusive Vivo employee offer: 50% discount on the bill in your name, plus special discounts on fixed-line, broadband, and TV services
  • Discounts at universities and on courses and extension programs
  • Partnerships with Sesc and Senai
  • Well-being programs