Job Description: We are currently looking for a **Senior IT Infrastructure Administrator** in Argentina, for an important company in the Production sector. Employment Conditions: * Work Location: Caba, Congreso de la Nación area * Working Hours: Full Time, Monday to Friday from 9am – 6pm * Work Model: Hybrid (3 days in office – 2 days remote), first 2 months are fully on-site at the office located in Congreso area. * Contract Type: Indefinite term, directly with the client company. * Salary: Negotiable + Family health insurance + Mercadopago bonus + Cell phone plan + Connectivity bonus + Gym reimbursement + 21 days of vacation + Training programs + Salary adjustments + Overtime pay. **Knowledge / Technical Skills:** * Education: Degree in Telecommunications, Systems Engineering or related fields. * Language: Technical English. * Experience: +5 years in IT infrastructure, including on-premise datacenter and AWS administration. **Mandatory Technical Skills:** * Cloud Architecture (AWS): Design and implementation of secure and scalable solutions. Key services: EC2, S3, RDS, Lambda, VPC, IAM, VPN, WAF, among others. * Linux: Proficiency with Linux-based operating systems (Ubuntu, RedHat). * Containers and Microservices: Docker, WebServices, microservices-based architecture. * Databases: Postgres, MongoDB (mandatory), Oracle, MySQL, MSSQL, SQLite. Other valued technical skills: * On-premise Datacenter: Server administration (HP, DELL), VMWare, LAN/WAN networks (Cisco, Fortinet). * Operating Systems: Windows Server/Desktop. * Business Continuity: Backup/recovery strategies, failover and disaster recovery. * Security: Firewall, antivirus, ACL, Cloudflare, WAF. * Scripting and Automation: Python, Bash, PowerShell, Ansible, SSH, RDP. * Monitoring and optimization: Tools such as CloudWatch, Zabbix, Elastic Search. * Availability and scheduling flexibility to assist in resolving critical incidents (24x7 coverage). What do we offer? * Participation in high-impact technology projects. * Professional and collaborative environment. * Growth and continuous learning opportunities. * Corporate benefits. At Experis Argentina, we promote an inclusive and diverse culture based on respect and equal opportunities, valuing the different contributions of individuals regardless of their condition, race, religion, ethnicity, nationality, gender, sexual orientation, age, or disability. If you are interested in joining the selection process, don't hesitate to apply—we look forward to receiving your application!