Marcos Júnior Email and Phone Number
• IT professional with experience in IT Support and Information Security, with knowledge in Operating Systems and Networks, including IDS, IPS, Firewall, Antivirus, Proxy, and protocols such as DHCP, DNS, SMB, HTTP, and FTP.• Experience in Scanning, Enumeration, Reconnaissance, and Vulnerability Exploitation, as well as manual and automated intrusion techniques.• Proficient in SQL language and Python programming, along with skills in tools like Kali Linux, Burp Suite, Gobuster, Dirb, SQLMAP, NMAP, and Metasploit.• Active participation in CTFs on platforms like TryHackMe, HackTheBox, PortSwigger, and Hacker101, demonstrating technical knowledge in Pentest, Ethical Hacking, and vulnerability analysis.• Familiarity with security tools such as IAM/PAM, SIEM, IPS/IDS, Antivirus Endpoint, EDR, DLP, WAF, AntiDDOS, Vulnerability Management, CSPM, CASB, Firewall, Proxy, and Webfilter, as well as skills in Application Control, Sniffer, and Vulnerability Scan.• Experience in Threat Monitoring and analysis of logs and incidents for quick detection and response to risk behaviors.• Knowledge in Network Security, including the configuration and administration of firewalls, IDS/IPS, and other protective devices.• Conducting Penetration Tests to identify and correct security flaws, as well as managing vulnerabilities and threats.• Familiarity with security standards and authentication protocols, along with knowledge of encryption and security methods.• Experience in databases and expertise in Cisco Switches, network segmentation, VLAN, ACL, LAN, WAN, VPN, and VOIP technologies.• Ability to analyze results and vulnerabilities stemming from vulnerability tests.
E-Safer
View- Website:
- e-safer.com.br
- Employees:
- 23
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Analista De SocE-Safer Nov 2023 - PresentSão Paulo, Brasil
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It AnalystRsi Assessoria Crédito E Cobrança Jan 2023 - Oct 2023São Paulo, Brazil• Creation and management of groups, folders, users, and permissions in the Windows Server Active Directory, as well as the management of VPNs and firewall on MikroTik equipment, in addition to configuring the proxy through pfSense.• Creation of Group Policy Objects (GPOs) and registration of equipment in the IT management system (GLPI).• Monitoring equipment performance using the Zabbix tool for host and network equipment monitoring, performing hardware and software maintenance as needed.• Software installation, network management on MikroTik, and creation of users and extensions in the PBX tool.• Responsible for configuring antivirus, ensuring system protection against threats.• Evaluation of information system performance, configuration, and execution of corrective and preventive maintenance for software, hardware, and network infrastructure.• Installation and administration of operating systems and applications to ensure IT environment stability.• Provision of technical assistance to users, including software installation, equipment configuration, and guidance on the use of IT resources.• Continuous monitoring of systems and networks to identify suspicious activities and real-time threats.• Identity and access management, ensuring resource and information security through authorization control.• Use of Cisco and HP Switches at layers 2 and 3 for information security and network segmentation, VLAN and ACL, LAN, WAN, and VOIP technologies.• Creation of routing protocols, Firewall, network segmentation, VLAN and ACL, and integration services for DHCP, DNS, and Active Directory.• Key technologies used: Windows Server, Zabbix, MikroTik, pfSense, and GLPI. Key Achievement:Implementation of the Zabbix tool. -
It Support InternRsi Assessoria Crédito E Cobrança Sep 2021 - Dec 2022São Paulo, Brazil• Assistance in creating and managing groups, users, and permissions in the Windows Server Active Directory.• Assistance in creating and configuring Group Policy Objects (GPOs) in the Active Directory.• Assistance in monitoring equipment performance using the Zabbix tool, reporting any anomalies or issues found.• Providing support in hardware and software maintenance, including diagnosis and issue resolution.• Recording equipment details and updating information in the GLPI asset management system.• Handling user calls within the company, assisting them with technical problems and IT-related inquiries.• Collaborating on the installation, configuration, and updating of software on company computers.• Assisting in network administration and configuration on MikroTik.• Supporting the creation of users and extensions in the PABX tool as per company requirements.• Key technologies used: Windows Server, Zabbix, GLPI, MikroTik, and pfSense.
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It InternHitcode Tecnologia Apr 2019 - Jul 2019• Creation of dashboards and charts in Power BI tool, using data from MySQL databases.• Execution of queries and modifications in MySQL and Oracle databases, performing tests on applications.• Key technologies used: Power BI, MySQL, and Oracle.
Marcos Júnior Education Details
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UnicsulComputer Networks -
Database Technology
Frequently Asked Questions about Marcos Júnior
What company does Marcos Júnior work for?
Marcos Júnior works for E-Safer
What is Marcos Júnior's role at the current company?
Marcos Júnior's current role is Cybersecurity | IT Support | Operating Systems and Networks | Vulnerability Analysis | SQL | Python | Pentest | Ethical Hacking | Active Directory | CCNA.
What schools did Marcos Júnior attend?
Marcos Júnior attended Unicsul, Impacta Tecnologia.
Who are Marcos Júnior's colleagues?
Marcos Júnior's colleagues are Marcelo Moraes, Fagner Santos Silva, Rui Schoenberger, Muril Vieira, Adib Nayaf Abdala, Alais Magalhães, Sergio A..
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Marcos Junior
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Marcos Junior
Product Owner | Salesforce Solutions Management At Accenture Song | 17X Superbadge Ranger 🤠 | Salesforce Consultant, Qa & SpecialistSão Paulo, Brazil -
1iteris.com.br -
Marcos Junior
Natal, Rn1logap.com.br
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