ROBERSON CESAR ALVES DE ARAUJO
Curitiba/PR – Brazil
Phones: +55 (41) 99872-0373 | +55 (41) 98483-4438
E-mail: roberson.araujo@icloud.com
LinkedIn: linkedin.com/in/roberson-cesar-araujo-b59a94/
Portfolio: http://solution4u.com.br/ | Lattes: http://lattes.cnpq.br/4214411633235605
PROFESSIONAL PROFILE
Technical consultant and university professor in IT and Engineering, with solid experience as SOC Manager, CIO, Information Security Specialist, Data Analyst, Infrastructure Specialist, and Software Developer. Over 25 years of experience across infrastructure, ERP, datacenter, networks, cybersecurity, databases, virtualization, cloud architecture, DevOps, and web/mobile development. Strategic and operational expertise with Azure/M365, PaaS/SaaS, Active Directory, Systems Administration, automation, SIEM (including KQL), event analysis, incident response, governance, and vendor due diligence. Experienced in high-criticality environments, integrating security, efficiency, and innovation. Strong background in higher education teaching, mentoring, and academic content creation, combining professional practice with technical knowledge to train future IT professionals. Proven ability to align technology, processes, and people in hybrid and remote environments, ensuring productive teams, scalable solutions, and secure ecosystems, ready for international operations.
SKILLS & COMPETENCIES
Communication & Interpersonal
- Ability to adapt language to technical and non-technical audiences.
- Meeting facilitation, team leadership, and stakeholder negotiation.
- Continuous feedback, mentorship, and technical team development.
ERP & Corporate Systems
- Implementation, configuration, customization, and integration of financial, accounting, tax, purchasing, inventory, asset management, and production modules.
- Requirements analysis, BPMN, process modeling, and automation of critical routines.
- Integrations with SQL Server, Oracle, PostgreSQL databases.
- Experience in continuous improvement, vendor due diligence, and solution assessment.
Networks & Telecom
- Protocols: TCP/IP, UDP, ICMP, DNS, DHCP, FTP, HTTP, HTTPS, BGP.
- Infrastructure: VLAN, VPN, QoS, NAT, DHCP Relay, NTP.
- Security: firewall, proxy, IDS/IPS, digital certificates, AAA.
- Architecture: design, segmentation, troubleshooting, and high availability.
Datacenter & Infrastructure
- Physical and logical corporate infrastructure projects.
- Virtualization: VMware, Hyper-V, Proxmox, XenServer.
- Containers & Orchestration: Docker, Kubernetes.
- Infrastructure automation, monitoring, and observability.
- Experience with critical environments, contingency, and business continuity.
Operating Systems
- GNU/Linux, Windows Server/Desktop, macOS, Android, iOS.
- User management, permissions, hardening, and advanced service administration.
Governance, Compliance & Services
- ITIL, COBIT, NIST, ISO 27001/27701, LGPD, OWASP.
- BCP/DRP planning and execution, risk analysis, and documentation management.
- Experience with internal audits, compliance controls, and SOC processes.
Programming & Development
- Languages: Python, Java, C#, C/C++, PHP, JavaScript.
- Web/Mobile Development: React Native, HTML/CSS, REST APIs, JSON.
- Automation, scripting, ETL, system integration, and API consumption.
- Hybrid development and customized corporate solutions.
Databases
- MySQL, PostgreSQL, MariaDB, SQL Server.
- NoSQL: MongoDB, Redis.
- Big Data / Analytics: Hadoop, Spark.
- Data modeling, tuning, replication, backups, and high availability.
Cybersecurity
- SOC & Blue Team, incident response, threat hunting.
- SIEM: Stellar Cyber, Elastic, Rapid7, Microsoft Sentinel.
- Query languages: KQL, advanced filters.
- Hardening, IAM, threat detection, vulnerability scanning.
- IDS/IPS, EDR, Zero Trust, policies, and security controls.
Cloud & DevOps
- Azure (Monitor, Sentinel, AAD, VMs, Storage, Security Center).
- Microsoft 365 (Administration, policies, identities, security).
- Amazon AWS EC2 – instance creation, networking, security, snapshots, and basic automation.
- PaaS/SaaS, authentication, IAM, policies, cloud governance for hybrid environments.
- DevOps/DevSecOps: CI/CD pipelines, automation, security integration, IaC.
- Monitoring, observability, alerting, and event correlation.
Tools & Complementary Technologies
- Git, GitHub, GitLab, automation pipelines.
- Grafana, Elastic, Zabbix, dashboards and metrics.
- PowerShell, Bash, Shell Script.
- Virtualization, corporate backup, service integration, and advanced user support.
PROFESSIONAL EXPERIENCE
Security Operations Center (SOC) Manager – Under Protection (Dec/2024 – Oct/2025)
• Coordination of distributed teams and alignment between security and business objectives.
• 24×7 cybersecurity operation: detection, incident response, threat intelligence, and workflow automation.
• Definition of KPIs (MTTD/MTTR/MTTA); SIEM integration (Stellar Cyber, Rapid7, Elastic) and KQL queries.
• Continuous SOC improvement and process evolution.
• Client interface; vendor due diligence; process review and best-practice implementation.
• Leadership of crisis war-rooms, mitigation of critical threats, and coordination between Blue Team, Analytics, and Support.
• Development of playbooks, RACI matrix, and response workflows to ensure operational consistency.
• SOC maturity evolution with improvements in detection, automation, and incident governance.
University Professor – SENAC, UniEnsino, UFPR, UniOpet, Universidade Positivo (Aug/2009 – Present)
• Courses taught: Computer Networks, Information Security, Software Engineering, APS, Entrepreneurship, Innovation & Industry 4.0, IT Management, and community outreach.
• Academic planning, assessments, practical projects, active methodologies, and distance learning.
• Development of materials, lab scripts, simulators, assessments, and multimedia content.
• Leadership of integrative projects and supervision of academic work, applied research, and scientific initiation.
• Hands-on activities with Packet Tracer, virtualization, APIs, web/mobile development, and security.
• Participation in institutional events, academic committees, boards, and curriculum development.
CIO – Softmarketing (Oct/2021 – Aug/2022)
• IT-business alignment, governance, Azure/M365, AD, VPN, productivity, and executive communication.
• Management of teams and third-party service providers.
• BCP/DRP, change management, productivity improvement, and deadline reduction.
• Infrastructure restructuring, improving performance, security, and service availability.
• Implementation of identity, access, and security policies.
• Cloud governance and cost optimization in hybrid environments.
Project Manager – Nexcore Tecnologia (Jan/2021 – Mar/2021)
• Planning and execution of IT projects, ensuring compliance with scope, cost, and schedule.
• Coordination of human, financial, and material resources, ensuring SLA adherence and quality.
• Stakeholder management, executive reporting, and communication between technical areas and leadership.
• Application of agile and traditional methodologies, increasing efficiency and risk mitigation.
• PMO implementation focused on deliverables, communication matrix, and prioritization.
• Tracking success metrics and validating outcomes with business areas.
Operations & Services Manager – Nexcore Tecnologia (Mar/2020 – Dec/2020)
• Management of IT service operations, supervising technical teams and ensuring continuous delivery.
• Definition and monitoring of KPIs, productivity targets, and service quality.
• Technical support for infrastructure projects, integrating security, networking, and automation.
• Implementation of operational improvements and process optimization to reduce costs and increase efficiency.
• Structuring operational routines, elevating SLA performance.
• Team reorganization and role definition to improve efficiency and clarity.
• Integration with development, support, and infrastructure teams, aligning the technical roadmap.
CIO – Instituto de Tecnologia do Paraná (TECPAR) (Sep/1994 – Mar/2016)
• Technology leadership, budgeting, team management, project oversight, analytics platforms, and user experience.
• Server and desktop management across Windows/Linux/macOS; security; development; database administration; datacenter; networks (routers and switches); virtualization and automation.
• ERP: extensive experience in implementation, customization, and integration of financial, accounting, tax, purchasing, inventory, asset management, and production modules. Requirements analysis, process modeling, technical support, database integration (SQL Server, Oracle, PostgreSQL), automated routines, and reporting.
• Leadership in institutional technology modernization, platform migration, server consolidation, and availability improvements.
• Participation in innovation projects, integration with laboratories, and internal system development.
• Full governance of critical infrastructure, ensuring operational continuity in mission-critical environments.
• Implementation of datacenter solutions, secure networks, virtualization, and institutional IT policies.
SELECTED TECHNICAL PROJECTS
• ERP + LIMS Integration: connected ERP to laboratory management systems to automate production flow.
• Virtualization & High Availability: consolidated servers with automated backup and redundancy.
• Internal Web Solution: developed administrative request and workflow management system (REST/SQL APIs).
• Secure Multi-Segment Network: implemented VLAN/VPN, corporate firewall, and authenticated Wi-Fi.
ACADEMIC BACKGROUND
• Ph.D. in Urban Management (2016–2020) – Pontifical Catholic University of Paraná (PUCPR), Brazil.
• M.Sc. in Computer Science (2008–2010) – Pontifical Catholic University of Paraná (PUCPR), Brazil.
• Postgraduate in Computer Networks and Distributed Objects (2002–2003) – Federal University of Paraná (UFPR), Brazil.
• B.Sc. in Computer Science (1997–2000) – FESP (College of Education and Social Studies of Paraná), Brazil.
• MBA in Cybersecurity and Cyber Defense – In Progress – UNINTER, Curitiba/PR.
• Postdoctoral Research – In Progress (Public Intelligence and Strategic Digital Cities) – PUCPR, Curitiba/PR.
CONTINUING EDUCATION & WORKSHOPS
• Media and Information Literacy in the Next Normal – Open Academy – UFPR
• Strategic Digital City – PUCPR
• Project Management – FGV
• Latin American Congress on Free Software and Open Technologies – UFPR
• CCNA – Cisco
• MSSQL Database Administration – Microsoft
CERTIFICATIONS & TECHNOLOGIES
• ISO 27001 Foundations | LGPD Awareness | ITIL v4 Foundation | CCNA
• Cloud & Microsoft: Azure, Microsoft 365, AD, Intune, Defender; PaaS/SaaS
• Security: SIEM (Stellar Cyber, Elastic, Rapid7), KQL, IDS/IPS, hardening, BCP/DRP
• Networks: TCP/IP, VLSM, DNS, DHCP, BGP, VLAN, VPN, firewall, proxy, corporate Wi-Fi
• Data & Development: PostgreSQL, MySQL, MariaDB, SQL Server; Python, Java, C#, C/C++, PHP, JavaScript; React Native; Power BI, Grafana; REST/JSON APIs
LANGUAGES
Portuguese (native) | English (advanced) | Spanish (intermediate) | Italian (basic)
