Cybersecurity Analyst – Junior

Certisign

Junior Cybersecurity Analyst responsible for monitoring and responding to security incidents. Joining Certisign to protect digital assets and ensure strong cybersecurity posture.

Posted 6/16/2026full-timeSão Paulo • 🇧🇷 BrazilJuniorWebsite

Tech Stack

Tools & technologies

DNSFirewallsLinuxTCP/IP

About the role

Key responsibilities & impact

Perform initial triage of security alerts generated by tools such as SIEM, EDR, Antivirus, and Firewalls;
Monitor security events and identify suspicious behavior, anomalies, or potential incidents;
Investigate and analyze alerts to distinguish false positives from real threats;
Escalate relevant incidents and occurrences to more advanced levels of the Security team;
Support the execution of periodic vulnerability scans on servers, applications, devices, and corporate environments;
Organize, track, and prioritize vulnerability reports, contributing to the remediation process with Technology teams;
Assist in monitoring the application of security patches (patch management);
Support information security awareness initiatives, including educational campaigns and phishing simulations;
Contribute to the creation and updating of operational procedures, playbooks, incident records, and technical documentation;
Participate in projects and initiatives aimed at the continuous improvement of the organization’s security posture.

Requirements

What you’ll need

Bachelor's degree completed or in progress in Information Security, Computer Science, Information Systems, Computer Networks, Computer Engineering, or related fields;
Basic knowledge of Computer Networks, including the OSI model, TCP/IP, DNS, HTTP, HTTPS, and communication ports;
Familiarity with Windows and Linux operating systems;
Basic command-line skills (PowerShell, CMD, or Linux Terminal);
Understanding of fundamental Information Security concepts;
Basic knowledge of security tools such as Firewalls, Antivirus, EDR, and SIEM;
Knowledge of major attack vectors and cyber threats, including Phishing, Malware, Ransomware, Social Engineering, and web application attacks;
Good analytical ability, organizational skills, and a willingness to learn.

Benefits

Comp & perks

Meal voucher on Flash card 🍽️
Food voucher on Flash card 🛒
Medical insurance (SulAmérica) 🏥
Dental insurance (MetLife) 😁
TotalPass and Wellhub 💪
Birthday day off 🎉
Childcare assistance 👶
Corporate university - UniSign 📚
Life insurance 🔒
Educational partnerships 🎓
SESC partnership 🏖️
Better Maternity Program 🤱
Extended maternity and paternity leave 👪
Pharmacy card 💊
Profit-sharing (PLR) 💼

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

vulnerability scanningincident responsesecurity patch managementcommand-line skillsinformation security conceptsnetwork protocolscyber threat analysissecurity alert analysisfalse positive identificationremediation process

Soft Skills

analytical abilityorganizational skillswillingness to learn