Santiago Rojas
Configuration Analyst @ CoreCard Colombia
About
System Engineer | Founder & Principal Engineer at Infraxellab I’m a Computer Systems Engineer with hands-on experience designing, implementing, and supporting IT solutions across infrastructure, systems, networking, automation, and security. I focus on solving real-world problems through practical, scalable, and well-structured technology solutions. My background spans technical support, infrastructure operations, and end-to-end solution delivery, allowing me to combine a strong operational mindset with solid technical execution. I’m particularly experienced working under pressure, troubleshooting high-impact incidents, and improving environments through automation and standardization. Core technical areas: Programming & Scripting: Python, PowerShell, Bash, Java, SQL, JavaScript Infrastructure & Systems: Linux (Debian-based), AWS, automation scripting, PXE deployments Networking & Security: Nmap, Burp Suite, SQLMap, OSINT, system hardening IT Operations: Deployment, troubleshooting, documentation, and continuous improvement In addition to my engineering roles, I’ve acted as the sole technical lead for a startup environment, owning all technical decisions and internal IT operations. This included infrastructure setup, digital platforms, user and access management, internal support, and serving as the escalation point for all technical matters. Currently, as Founder & Principal Engineer at Infraxellab, I lead the design and implementation of IT solutions for clients, taking full ownership of architecture, deployment, troubleshooting, and continuous improvement across client environments. What I bring: Strong analytical and problem-solving mindset Solid foundations in infrastructure, systems, networking, and security Hands-on execution with a pragmatic, results-driven approach Ability to operate independently while collaborating effectively with teams and clients I’m driven by continuous learning, technical excellence, and delivering reliable solutions that create real value.
Colombia
Bogota
Computer Software
Sistemas informáticos, Infraestructura de tecnologías de la información, Gestión de relaciones con clientes (CRM), Servidores, railway, Node.js, Express.js, sysadmin, L3, level 3, Inglés como lengua extranjera, Experiencia de Active Directory, Soporte técnico, Office 365, Squarespace, Google Workspace, Desarrollo web, Website Management, Servidor DNS, Gestión de dominios
Experience

Founder & Principal Engineer
InfraxelLab
Bogotá, Distrito Capital, Colombia
Leading the design and implementation of IT solutions for clients, including infrastructure, networking, backend systems, automation and security. Hands-on responsibility for architecture, deployment, troubleshooting and continuous improvement across client environments.

Tech Founder / Technical Lead / CTO
Experto En Viajes
Mosquera, Cundinamarca, Colombia
As the sole technical pillar of the company, I led all aspects of our digital operations and infrastructure: -Designed, developed, and maintained the company website to support customer acquisition and branding. -Managed the Google Workspace domain, including business email setup, user permissions, and device access. -Handled all aspects of technical support for the team (two operating teams), including basic hardware/software setup and configuration. -Implemented and administered our online presence using Squarespace, optimizing for clear communication and professional design. -Oversaw internal tech operations: user management, account permissions, device setups, and team collaboration tools. -Acted as the main point of contact for any technical decisions or troubleshooting needs.

L1 IT Service Desk Analyst
Bogotá, Distrito Capital, Colombia
In my role as an L1 IT Service Desk Analyst at Emapta, I provide first-line technical support to end-users across various environments, ensuring timely and effective resolution of IT issues related to hardware, software, connectivity, and user accounts. Beyond my core support duties, I also oversee a small IT support team, where I’m responsible for task delegation, performance tracking, and maintaining accountability within the group. This includes: -Coordinating and supervising daily support operations to ensure SLA compliance -Acting as the first escalation point for unresolved or complex issues -Guiding junior team members, offering mentorship and troubleshooting assistance -Maintaining documentation of procedures, common issues, and resolutions for team efficiency -Supporting onboarding/offboarding processes, account setup, and access control -Communicating with clients and internal teams to manage expectations and deliver quality service This role has helped me sharpen both my technical and leadership skills, balancing hands-on problem-solving with team coordination and client communication. Additionally, I successfully implemented automation processes using PXE boot and PowerShell scripting to streamline tasks such as hardware provisioning, delivery reports, and clearance certificates. These efforts significantly reduced manual workload and generated measurable cost savings in operational expenses.
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