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Hi, I'm Jonathan Grenald

Senior Cybersecurity Engineer

Protecting digital assets and securing systems with over 10 years of experience in networking, infrastructure and information security.

Cybersecurity Professional

About Me

Profile

I am a passionate Senior Cybersecurity Engineer with extensive experience in designing, implementing, and maintaining security solutions for enterprise-level organizations. My expertise spans across network security, cloud security, threat intelligence, and security compliance.

With a strong background in infrastructure allows me to understand system administrator roles and improve it, I've helped numerous organizations identify vulnerabilities before they can be exploited. My approach combines technical expertise with strategic thinking to create robust security frameworks.

70+

Projects

3200+

Users

5+

Certs

10+

Years Exp.

TECHNICAL SKILLS

CYBERSECURITY DOMAINS

Network Security 90%
Cloud Security 80%
Threat Intelligence 92%
Penetration Testing 75%
Security Compliance 85%

TECHNICAL TOOLS

Metasploit
Wireshark
AWS Security
Python
SIEM
Firewalls
PKI
Docker
Bash
Cryptography

Languages

92%

English

100%

Spanish

40%

Chinese

15%

German

PROFESSIONAL EXPERIENCE

Senior Cybersecurity Engineer

2025 - Present

Unique Global Solutions Inc., Panama

  • Cybersecurity engineer for infrastructure and IAM security focused in audits and improvement.
  • Working with IA based tools for greater security.
  • Support for cybersecurity architecture and design as well as writing security policies.

Information Security Officer

2024 - 2024

Galindo Arias & Lopez, Attorneys at Law, Panama

  • I improved the security of the organization by implementing SPF, DKIM and DMARC.
  • Performed vulnerability assessments and security architecture reviews.
  • I migrated from GMAIL to Office 365 while keeping the mailboxes integrity.

Senior Infrastucture and Applications Engineer

2022 - 2024

Mays Zona Libre, Panama

  • Monitored infrastructure events and installed Open Source services to improve internal processes.
  • Implemented backups for all servers and services of the organization.
  • Created security documentation and standard operating procedures.

Infrastructure and Networking Engineer

2017 - 2017

Panamanian Ministry of Foreign Affairs, Panama

  • Participate in updating web page and internal services.
  • Improvements in VoIP technologies.
  • Updating of technologies in the organization's infrastructure.

Infrastructure and Network Engineer

2013 - 2017

Colon Import & Export, Panama

  • Implemented and maintained enterprise firewall solutions.
  • I led a team of 3 people in support and infrastructure tasks.
  • I radically changed the infrastructure, providing medium- and long-term savings in operating expenses.

Technical Support

2012 - 2013

Metrobank S.A., Panama

  • Ticket management and effective attention to more than 200 users.
  • Configuration of Cisco routers for all bank branches and subsidiaries.
  • I participated in key infrastructure initiatives and migrations for high availability.

EDUCATION & CERTIFICATIONS

EDUCATION

M.Sc. Security and Information Technology

2023 - 2024

AICAD Business School

Thesis: Advanced Framework Against Ransomware

B.Sc. Computer Networks

2008 - 2014

Universidad Tecnológica de Panamá

Minor in CCNA

CERTIFICATIONS

Security+ - In Progress

CompTIA

eJPT v2 - In Progress

INE

Certified Cloud Practitioner

Amazon Web Services

Cybersecurity Certificate ISC2

(ISC)²

CCNA

Cisco

ISO 27001 Lead Implementer

CertiProf

SECURE CONTACT PROTOCOL

For security reasons, direct contact information is not publicly available. Please connect with me via LinkedIn for professional inquiries.

Connect on LinkedIn