Infrastructure Security Engineer

🇦🇷 Buenos Aires, Argentina
Posted 3 weeks ago
Expires July 5, 2026

The Infrastructure Security Engineer at Onapsis will be responsible for administering, maintaining, and optimizing firewalls, VPNs, and Web Application Firewalls (WAFs) to ensure secure network access and traffic flow. The role involves supporting the hardening of endpoints and servers, performing vulnerability assessments, and implementing security configurations to reduce risk exposure. Additionally, the engineer will assist in detecting, investigating, and containing security incidents, analyzing logs, collecting evidence, and contributing to timely mitigation efforts under the guidance of senior security staff.

Key responsibilities include developing scripts and Infrastructure-as-Code solutions to automate security tasks, improving efficiency, and enforcing consistent security standards. The engineer will also assist in the management, monitoring, and renewal of digital certificates (TLS/SSL), ensuring proper implementation, validity, and compliance across infrastructure and applications. Maintaining accurate security documentation, producing reports on security posture, incidents, and configuration changes, and collaborating with cross-functional teams to promote security awareness are also essential aspects of the role.

Candidates should have over two years of experience securing endpoints, servers, directory services, and infrastructure, with a comprehensive understanding of security protocols, cryptography, and networking principles. Proficiency in firewall and VPN technologies, network and security protocols, and programming and scripting languages such as Python, PowerShell, and Bash is required. Familiarity with Infrastructure as Code (IaC) concepts, digital certificates, PKI concepts, and TLS/SSL is also necessary. English proficiency and strong analytical thinking are essential.

Onapsis offers a role in shaping the future of protecting critical business applications, a unique culture of high achievement and teamwork, supportive and humble colleagues, and financial security through competitive compensation and incentives. Employment is full-time in Argentina, and the company does not engage with SRLs or B2B contractors.

Onapsis protects the business applications that run the global economy, delivering vulnerability management, change assurance, and continuous compliance for business applications from leading vendors such as SAP and Oracle. The company is headquartered in Boston, MA, with offices in Heidelberg, Germany, and Buenos Aires, Argentina, and serves hundreds of the world’s leading brands.

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