At RemoteStar, we're currently hiring for one of our client based in Spain About client : Well-funded and fast-growing deep-tech company founded in 2019. We are the biggest Quantum Software company in the EU. They are also one of the 100 most promising companies in AI in the world (according to CB Insights, 2023) with 150 employees and growing, fully multicultural and international. Required Qualifications Bachelor's degree in computer science or related field. 2 years of experience working with IT systems, networks, monitoring tools and related technologies (macOS, Linux, Microsoft 365, hardware experience) Experience in endpoint devices management and incident management Vendor management experience Knowledge of best practices in IT administration and system security Exceptional organizational and time management skills Strong analytical and problem-solving skills Good interpersonal and communication skills Fluency in English and Spanish As an IT Systems Engineer, you will Manage and monitor all installed systems and infrastructure for the organization to be in line with company guidelines and SOP (standard operating procedure) Install, configure, and test operating systems, application software, and system management tools Ensure the highest level of systems and infrastructure availability. Implements warranty and support activities Plan and implement system automation as required for better efficiency Design, review, document and implement policies and procedures to maintain standardization of day-to-day IT functions Support the employees on daily office IT operations when needed. General software management and creation of users Implement security best practices, including patching, access control and policies, endpoint protection, etc. Monitor and maintain office network infrastructure, including switches, routers, and wireless access points. Troubleshoot connectivity issues and ensure secure and reliable access to internal resources via VPN Preferred Qualifications Experience with technical support for Slack Experience working with Apple devices Experience with JAMF Experience with Fortinet Experience with scripting languages Knowledge of AWS We offer: Competitive annual salary Two unique bonuses: signing bonus at incorporation and retention bonus at contract completion. Relocation package (if applicable). Up to 9-month contract, ending on June 2026. Hybrid role and flexible working hours. Be part of a fast-scaling Series B company at the forefront of deep tech. Equal pay guaranteed. International exposure in a multicultural, cutting-edge environment.