Pentest | Threat Hunting | Cloud Security | DevSecOps | AI Security
Location: Buenos Aires, Argentina (Hybrid)
Join a Team Shaping the Future of Cybersecurity
We are looking for a Senior Cybersecurity Engineer to join a leading organization undergoing a major cybersecurity transformation.
This is an exciting opportunity for a highly technical professional who is passionate about protecting modern digital environments through offensive and defensive security practices. You’ll play a key role in strengthening the organization’s security posture by working across infrastructure, cloud platforms, applications, and emerging AI technologies.
If you enjoy performing Pentests, hunting advanced threats, responding to security incidents, automating security operations, and collaborating with multidisciplinary teams, we’d love to hear from you.
Your Mission
As a Senior Cybersecurity Engineer, you will help design, implement, and continuously improve technical security controls that protect the organization’s critical assets.
You will work closely with Infrastructure, Software Engineering, Architecture, and IT teams to identify vulnerabilities, strengthen security capabilities, and drive continuous improvement across the cybersecurity program.
Key Responsibilities
Offensive Security
- Design and execute Pentests across web applications, APIs, infrastructure, and cloud environments.
- Perform vulnerability assessments and validate the effectiveness of existing security controls.
- Conduct security assessments following OWASP, PTES, and MITRE ATT&CK methodologies.
- Perform OSINT activities to identify external exposure and potential attack vectors.
- Participate in Purple Team exercises to continuously improve organizational resilience.
Defensive Security
- Investigate and respond to cybersecurity incidents.
- Perform proactive Threat Hunting activities across endpoints and centralized logs.
- Develop new detection rules and SIEM/EDR use cases.
- Support digital forensic investigations on Windows and Linux environments.
- Create and maintain incident response playbooks.
Security Engineering
- Deploy, configure, and optimize security platforms including CrowdStrike Falcon, Qualys, SIEM, and EDR solutions.
- Implement Hardening standards across operating systems, cloud platforms, and databases.
- Automate security processes using Python, PowerShell, and Bash.
- Collaborate with development teams to integrate security throughout the Software Development Lifecycle (DevSecOps).
AI Security
- Assess cybersecurity risks associated with AI and Large Language Models (LLMs).
- Participate in AI Red Teaming exercises, including Prompt Injection and Jailbreaking assessments.
- Help implement controls to prevent sensitive data leakage through AI platforms.
- Contribute to AI Governance initiatives and secure AI adoption across the organization.
Required Qualifications
- Bachelor’s degree in Computer Science, Information Security, Engineering, or a related field (or equivalent professional experience).
- 4+ years of experience in Cybersecurity or Security Engineering.
- Proven experience performing Pentests.
- Strong background in Threat Hunting and Incident Response.
- Hands-on experience with SIEM, EDR, CrowdStrike Falcon, and Qualys.
- Experience securing Cloud environments, preferably Google Cloud Platform (GCP).
- Strong scripting skills using Python, PowerShell, or Bash.
- Solid understanding of Secure SDLC and DevSecOps practices.
Technical Skills
Offensive Security
- Pentest
- Web Security
- API Security
- Infrastructure Security
- Vulnerability Assessment
- OWASP Top 10
- PTES
- MITRE ATT&CK
- OSINT
Defensive Security
- Threat Hunting
- Incident Response
- Digital Forensics
- SIEM
- EDR
Cloud Security
- Google Cloud Platform (GCP)
- IAM
- Cloud Security
- Cloud Armor
DevSecOps
- CI/CD Security
- SAST
- DAST
- SCA
- Shift-Left Security
Automation
- Python
- PowerShell
- Bash
- SOAR Playbooks
Hardening
- Linux
- Windows
- Oracle
- SQL Server
- PostgreSQL
- MySQL
- CIS Benchmarks
Preferred Qualifications
Experience with any of the following will be considered a strong advantage:
- Purple Team Operations
- AI Security
- AI Red Teaming
- OWASP Top 10 for LLM Applications
- MITRE ATLAS
- NIST AI Risk Management Framework (AI RMF)
- ISO/IEC 42001
- Advanced Security Automation
- Database Security and Encryption
Soft Skills
We’re looking for professionals who demonstrate:
- Strong analytical and problem-solving skills.
- Curiosity and passion for cybersecurity.
- A proactive and hands-on mindset.
- Excellent communication and collaboration skills.
- Continuous learning and adaptability.
- High ethical standards and professional integrity.
- Ability to thrive in fast-paced, evolving environments.
Certifications (Preferred)
- OSCP
- eJPT
- GPEN
- GCIH
- GCIA
- CEH
- CompTIA Security+
- GDAT
What We Offer
- The opportunity to join a high-performing Cybersecurity team driving strategic initiatives.
- Exposure to modern technologies across Cloud Security, DevSecOps, Offensive Security, and AI Security.
- Challenging projects with real business impact.
- A collaborative, innovation-driven culture.
- Continuous learning and professional development opportunities.
- Competitive compensation and benefits package.
- Hybrid work model.
If you’re passionate about building secure digital environments, performing advanced Pentests, and helping organizations stay ahead of evolving cyber threats, we’d love to meet you.