Job Summary: We are seeking a proactive and collaborative IT Technician/Engineer to join a global team focused on technical support and system maintenance in an AI-driven environment. Key Highlights: 1. Daily technical support and efficient resolution of IT incidents. 2. Preventive and corrective maintenance of equipment and systems. 3. User guidance and training on the use of tools and technologies. **Join Sigma.AI – Shaping the Future of Artificial Intelligence** **What is Sigma?** Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence. With over 30 years of experience, offices in Spain, the United States, and the United Kingdom, and operations across 200+ languages, we support multinational clients in developing cutting-edge AI solutions. **Soft Skills We Value:** Are you a proactive professional who enjoys challenges, values collaboration, and approaches every task with empathy, integrity, and passion for learning? If so, we’d love to meet you! **What Will You Do as an IT Technician/Engineer?** * Provide daily technical support to all our office users, as well as to our R&D and production teams, resolving IT incidents and queries efficiently and with excellent service. * Identify, diagnose, and resolve hardware and software incidents, ensuring continuous operational availability of our systems. * Implement and execute preventive and corrective maintenance tasks on equipment and systems, contributing to the stability and security of our infrastructure. * Guide and train users on the use of tools and technologies, fostering a culture of technological adoption within the company. * Manage small teams. *This is a full-time position requiring on-site presence at our offices in Madrid.* ✅**Requirements:** We seek candidates with the following qualifications and more than 5 years of experience: * System Administration: Extensive experience managing domain controllers (DC), users and devices (Active Directory), security policies (GPO), and Microsoft 365. * Operating Systems: Linux, Windows, macOS. * Networking: TCP/IP, DNS, DHCP, switching, routing, firewall, port configuration, reverse proxy, VPN, and VLANs. * Linux Environments: Proficiency in administration and configuration of Linux operating systems. Bash. * Virtual Machine Management: Solid experience with virtualization environments, specifically ESXi and vCenter. * Infrastructure Management: Hardware, physical servers, data centers. System hardening, documentation of procedures and incidents (Jira/Zendesk). * Others: Docker, Ansible, AWX, Terraform. **Plus (Not mandatory):** * **Monitoring Tools:** Zabbix, Prometheus * **Security:** IPS/IDS, SIEM, and SOC * **Cloud:** AWS, GCP, Azure, OVH * **Others:** Kubernetes, Git, Python **Important Notes:** Sigma.AI does not hire through third parties. No agent, intermediary, or third party is authorized to represent, benefit from, or participate in any way in this relationship. In this regard, the candidate agrees to provide any documentation or information reasonably requested by the company to verify their identity and credentials. If the candidate fails to provide sufficient proof of identity to Sigma’s satisfaction, the company may withhold or withdraw any offer made to the candidate. The company may use or rely on artificial intelligence systems in its recruitment processes. Such processing is carried out ethically, transparently, and in compliance with applicable law. Its purpose is to assess materials submitted during the selection process (e.g., transcribed content provided by the candidate). The legal basis for processing your data is the pre-contractual relationship between the parties and/or the provision of the requested services. **Need Help?** We’re here to address any questions or concerns. Join us and be part of something global, innovative, and impactful. **Sigma.AI – Data Done Right.** **Department** Annotation & Translation **Locations** Madrid – Sigma.ai **Remote status** Hybrid **Employment type** Full-time **Employment level** Executive / Senior Level **Equal Opportunity Workplace** ------------------------------- Sigma is proud to be an equal opportunity workplace. If you have a disability or special need that requires accommodations, please email us at rrhh@taxplanning.es. **Sigma Ethics** ---------------- *Sigma follows a strong code of ethics upon which the company's culture is built. The principles drawn from this code guide all our professionals to perform quality work with integrity and accountability.* *At Sigma, compliance with the law, maintaining a professional and independent stance, responsible decision-making, teamwork, continuous improvement and fluid communication with our clients are the pillars that allow us to be a world reference in the quality of the work we perform.* *At Sigma, we ensure that everyone is treated fairly and equitably. We value professionalism, promote diversity and never allow any form of discrimination or any behavior that is not in line with the company's values and ethics. We promote dialogue and honest and respectful constructive criticism that drives us to constantly improve and value the work of others.* *Our code of ethics helps us to fulfill our commitments to our clients, to generate an environment of trust and to maintain long-term relationships.* **About Sigma Group** --------------------- Help shape the future of ethical AI. Learn more about Sigma.AI and Sigma Cognition.