Campeόn Gaming is an innovative Greek iGaming Hub with offices in Athens, Thessaloniki, and Nicosia, boasting 7 years of expertise and a strong international presence. We stand at the forefront of the iGaming industry, delivering a world-class gaming experience through our immersive technology stack and operational services.      We are a diverse and dynamic team of over 180 Campeones, representing more than 10 nationalities from around the world. Our core philosophy, "We are our People," reflects our values of diversity, equity, inclusion, and transparency. These values have earned us recognition as one of the Best Workplaces in Europe for 2024, Best Workplaces in Greece for 2024, 2023, and 2021, and we have been certified as a Great Place to Work for 4 consecutive years.    We are also proud of ranking 6th Best Workplace for Women Hellas 2024 and 2nd Best Workplace in Tech Hellas for 2023.   We are seeking a skilled IT Systems Administrator to join our technology team. This role is ideal for a highly organized, detail-oriented professional who excels at maintaining reliable IT operations, implementing system improvements, and supporting users in a fast-paced environment. You will play a key part in managing infrastructure, supporting daily IT activities, and ensuring the stability, security, and performance of our systems. Key Responsibilities System & Infrastructure Management * Administer and maintain servers (Windows/Linux), storage systems, and virtualization platforms. * Monitor system health, performance, and availability to ensure operational continuity. * Implement system updates, patches, backups, and security hardening procedures. Network Administration * Support LAN/WAN operations, including routers, switches, firewalls, and VPN connections. * Troubleshoot network performance issues and optimize configurations. * Maintain network monitoring tools and documentation. User Support & Service Delivery * Provide Tier 2/Tier 3 technical support for end users. * Manage user accounts, permissions, and access control across multiple systems. * Maintain IT service documentation, procedures, and asset inventories. Security & Compliance * Implement and monitor cybersecurity best practices. * Assist in audits, risk assessments, and compliance requirements. * Respond to incidents, investigate alerts, and ensure secure configurations. Project & Process Improvement * Participate in IT infrastructure upgrades and deployments. * Evaluate and implement new technologies that improve efficiency and reliability. * Collaborate with cross-functional teams to support business needs. Requirements * 3–5 years of experience as a Systems Administrator or similar role. * Strong knowledge of Windows Server and/or Linux systems. * Experience with virtualization (VMware, Hyper-V) and cloud platforms (Azure, AWS, Cloudflare). * Solid understanding of networking fundamentals (TCP/IP, DNS, DHCP, firewalls). * Experience with Azure Entra, Group Policy, and identity solutions. * Familiarity with backup tools, monitoring systems, and patch management. * Troubleshooting and problem-solving skills. * Excellent verbal and written communication skills in English.  * Good organization, time management, and prioritization.  Nice to have:  * Certifications such as Microsoft (MCSA/MCSE) * Experience with scripting (PowerShell,). * Knowledge of ticketing systems. * Exposure to cybersecurity tools and threat monitoring. What We Offer:   * Competitive remuneration package & bonus scheme * Access to LinkedIn Learning programs as well as funding to educational programs of your choice * Private Medical insurance & Access to a 24/7 Employee Assistance Program * Monthly allowance for orders via the Wolt App & free drinks and snacks at the office * Coverage of your public transportation expenses and gym membership * Paid educational leave * Hybrid working model * Modern offices in the center of Athens * 360 feedbacks for Constant personal and professional development * Birthdays are always a day off!    Equality/Diversity/Inclusiveness  At Campeón Gaming we are proud to provide equal opportunities to everyone. We value our employees, and we welcome everyone, no matter their ethnic, cultural, or religious background, or their beliefs, family status, and sexual orientation.    We support and encourage diversity, equal rights, and inclusiveness.  Our team consists of people from different ethnicities and cultures, and we believe that this was our competitive advantage, leading our company to rapid growth. Therefore, we are committed to fostering an inclusive and friendly environment, where everyone has an opportunity to grow and develop within the company.    Be part of our team!