Juan Bellina

Juan Bellina

Senior Cibersecurity Analist

Buenos Aires, Argentina

#OpenToWork

About

I am a cybersecurity professional with over 8 years of international experience in vulnerability and patch management, risk mitigation, and infrastructure protection. My work has focused on proactive threat detection, global security initiatives, and collaborating with cross-functional teams to enhance organizational resilience. My expertise includes developing security policies, conducting vulnerability assessments, and managing endpoint security environments using tools like Qualys and DLP. I have engineered system security improvements, optimized patch management processes, and maintained compliance with IT and security standards across multiple environments.

Experience

Cybersecurity Analyst

Buhon Airs Argentina

Nov 2012 – Present

• Supported and informed security November – April • Hardened security configurations to reduce exposure to potential threats • Managed and assessed vulnerabilities to maintain a secure environment • Developed and wrote security policies to guide organizational practices • Fine-tuned databases to enhance performance and security operations • Provided support and training for end-users to enhance security awareness • Conducted anti-phishing campaigns to protect against email-based attacks • Ensured compliance with endpoint security policies and controls

Patch ManagementNetwork SecurityRisk Mitigation.NETOracle DatabaseSoftware DevelopmentVulnerability ManagementQualysSecurity PoliciesEndpoint SecurityAnti-phishing

Applications Support

Tiru

Oct 2014 – May 2014

• Delivered Tiru support for legal, Lotus Domino, Notes, Visual Basic, MS Access, and VTO server applications • Ensured operational continuity and rapid issue resolution • Managed incidents and change requests across a diverse portfolio of business-critical legal applications • Led documentation efforts for legal systems and supported migration to modern technologies • Improved system performance and maintainability • Optimized Lotus Domino servers and applications through performance tuning • Supported patch management and conducted vulnerability assessments to safeguard network integrity • Migrated legacy applications to . NET, VTO Server, and SharePoint

Lotus DominoVisual BasicPatch Management

Education

Bachelor's degree in computer science

Bachelor's degree in computer science

Bachelor's degree · Computer Science

2013 – 2017

Certifications

Information Security Analyst

Khat Security

May 2018 – No expiry

Cyber Security Basic

NCRParty Khadkhamy

May 2018 – No expiry

ITIL Foundation Certificate

PeopleCert

Apr 2017 – No expiry

ITIL Foundation Certificate

PeopleCert

Apr 2016 – No expiry

Skills

Security OperationsSecurity StandardsRisk MitigationComplianceSecurity ControlsNetwork SecurityData AnalysisAntiphishingSecurity AwarenessIncident ResponseSecurity AssessmentsDLPQualysEndpoint SecuritySecurity PoliciesLegacy Systems SupportInfrastructure ProtectionIT Risk MitigationPatch ManagementVulnerability Management

Languages

Spanish (Native or bilingual proficiency)English (Professional working proficiency)