Digital Forensics and Incident Response is not just our vocation but also our passion. Our core values are at the heart and soul of everything we do: Excellence – In our ability and our achievements. Passion – Inspired and driven to make a positive impact. Innovation – Not only to do a job well but to create new, fresh and efficient ways to do things better. In One eSecurity we are looking for a Sr System Engineer, focused on the area of Engineering. Main responsibilities Deployment and maintenance of infrastructure Deployment of Services: Access Control, SSH, NFS, SMB, Proxy.. Architecture design and implementation of services/projects. Securization of environments Project management. Effective interaction with customers Requirements: -5+ years professional experience in infrastructure projects (networking, systems, cloud services...)- Extensive experience in Linux systems (80%) and Windows systems (20%). - System & Network Administration: Linux, Windows Network Services (DNS, LDAP, ..)-Experience deploying security infrastructure or general-purpose applications as part of project-based initiatives. Experience working with configuration management and orchestration tools (such as Ansible, Chef, Puppet, etc.) as well as Infrastructure as Code solutions (Terraform, OpenTofu, or similar) is highly valued. Willingness to work on security incidents. Extensive knowledge in networking (switching, routing. Firewall...) Experience in Cloud infrastructure deployment (migrate corporate infrastructure to Cloud...), preferably with AWS technology. Experience in Vmware virtualization infrastructures Extensive and solid knowledge in hardware, servers, storage, backup... Desirable understanding of Computer forensics fundamentals ( artifacts, Common forensic SW,...) Scripting skills: bash, shell scripting, Powershell... Languages: Fluent in English and Spanish Demonstrate innovative and creative thinking as well as problem-solving skills. Adaptability and learning potential.