Systems Administrator

Aimsun is a global leader in digital mobility solutions, working with transportation authorities, highway agencies, public transit operators, and consultancies worldwide. Our advanced simulation tools and predictive analytics help customers understand transportation network performance, anticipate future evolution, and make better decisions for smarter, more sustainable mobility. From building cloud-based regional planning frameworks to supporting real-time traffic management and modeling the impact of connected and autonomous vehicles, Aimsun is at the forefront of technology and innovation in transportation. We are looking for a Systems Administrator to join our team in Barcelona. Reporting to the CFO, you will be responsible for maintaining and improving Aimsun’s IT infrastructure and delivering high-quality support to internal users. Benefits of working at Aimsun: Competitive benefits: restaurant vouchers, private health and life insurance Supportive HR and a collaborative work culture Modern, central offices designed for comfort and productivity A flat, open organization where feedback and initiative are valued A meaningful mission: using technology to improve urban life and the environment Responsibilities: Ensure the smooth operation of managed systems and services Manage and secure Aimsun’s IT infrastructure (on-premises and cloud) Implement and promote best practices in IT and cybersecurity Provide technical support to employees across platforms Oversee perimeter and identity security Coordinate with suppliers and contractors on IT-related matters Ensure compliance with information security, environmental, and workplace safety standards Lead and maintain ISO 27001 certification and ongoing compliance Conduct security audits, penetration testing, and incident response Manage SSL/TLS certificates and other security assets Contribute actively to process improvements and IT strategy Respond to security incidents and assessments Adopt and maintain policies, processes, guidelines, procedures, instructions relevant to the work and workplace Must-haves: Bachelor’s Degree in Computer Information Systems or related field Strong knowledge of on-premises and cloud computing, networking and cyber security 3-5 years IT experience Microsoft 365 administration skills Experience in on premise and cloud based infrastructure management Windows, Linux and macOS experience Basic coding/skripting skills Proven knowledge of ISO 27001 implementation and compliance Fluency in professional written and spoken English and Spanish Ability to work autonomously, proactively and thoroughly Strong analytical / problem solving skills Service orientation, flexibility, dynamic attitude  Our commitment Aimsun is an equal opportunity employer. We celebrate diversity and do not discriminate based on race, religion, nationality, gender, age, disability, or any other status. Please contact jobs@aimsun.com