Position Summary: The Cybersecurity Leader will design, implement, and administer cybersecurity platforms, ensuring their proper operation, timely updates, and optimal performance. Key Responsibilities: 1. Design, implementation, and administration of security platforms 2. Leadership in security management within complex environments 3. Evaluation of emerging security technologies and solutions Grupo Petersen is a group of Argentine companies with presence across all regions of the country. It operates in diverse sectors including engineering and construction, finance, insurance, agro-industry, and urban services. Founded in 1920 as an Engineering and Construction company, Grupo Petersen has executed a significant number of public and private projects throughout Argentina and neighboring countries. In the mid-1990s, it began a process of transformation and business expansion, entering other strategic sectors of the Argentine economy. The Group allocates its own resources toward continuous, voluntary, and systematic Private Social Investment initiatives through its four foundations, reflecting its commitment to the communities in the regions where it conducts business operations. Companies comprising Grupo Petersen are: Petersen, Thiele & Cruz; Banco Santa Fe; Banco Entre Ríos; Banco San Juan; Banco Santa Cruz; Xumek; Mantenimientos y Servicios; Qualia Seguros; ASJ Servicios; Plus Pagos; and Santa Sylvia. The Cybersecurity Leader will be challenged to design, implement, and administer cybersecurity platforms, ensuring their correct operation, updates, and performance according to market best practices. This role is critical to safeguarding financial infrastructure, identifying critical vulnerabilities, and ensuring operational continuity. What other challenges does this role entail? Lead the design, implementation, administration, and updating of security platforms across on-premise, hybrid, and multi-cloud environments (AWS/GCP/Azure). Implement and administer services such as Active Directory, DNS, Certificate Authority (CA), database firewalls, etc. Apply hardening measures across all technology platforms following industry best practices. Manage endpoint and server protection solutions in regulated production environments. Actively participate in security incident management. Monitor platform operations in real time, identify anomalous activities or security incidents, and respond promptly. Ensure efficient platform operation and optimize performance to minimize latency and operational impact on the bank. Integrate security platforms with other security solutions and monitoring tools to establish layered defense and enhance threat visibility. Evaluate and test new security technologies and solutions to ensure protection of the organization’s digital assets. Support internal, external, and regulatory audits. Requirements: What knowledge and skills do we value? Proven experience with Windows, Unix, and Active Directory platforms; endpoint protection solutions such as EDR/XDR, etc. Proficiency in PowerShell for automation and incident response. Leadership experience in technical teams and vendor management capabilities. Risk analysis capability. Extensive knowledge of Microsoft architectures (Security / Windows Server), Linux, AWS, GCP, scripting, and automation. Certifications (desirable): CISSP, ISO 27001, NIST, Security+, AWS Certified Security Specialty, Azure Security Engineer. What profile are we seeking? Degree in Systems Engineering, Computer Science, or related field. Minimum 3 years of experience in similar roles, preferably within financial or highly regulated environments. Strong technical orientation combined with leadership and negotiation skills when interacting with technical and control areas. Focus on operations, continuous improvement, and technological risk management. Benefits: Excellent full-time employment conditions under the banking collective agreement. Work Model: Hybrid work arrangement. Comprehensive health insurance coverage for you and your family. Top-tier employee wellness platform. Significant discounts at educational institutions for you and your family. Ongoing training tailored to the role and professional development. Childcare benefit. Preferential banking product rates. Shopping platform bonus via Club de Beneficios. Opportunity to participate in corporate volunteer programs focused on cultural and educational excellence transformation.