ABOUT US At TOPPAN Security, our mission is to shape a meaningful, technology-driven future by being a global leader in mission-critical identity and payment technologies. We serves as the international development arm of the TOPPAN Group in the security domain founded in 1900. TOPPAN is a trusted Japanese brand renowned for its commitment to exceptional quality. Building on this legacy, we combine bold ideas, deep sector expertise, and collaborative intelligence to deliver secure, future-ready solutions. Our culture is grounded in four core values: Agility, Ownership, Resilience, and a Sense of Fun. We move fast, lead with accountability, grow through challenges, and bring positive energy into everything we do. Join us and be part of a global, collaborative team where trust and innovation drive everything we do. ABOUT THE ROLE Join our global team and take the lead in supporting and enhancing high-profile IT systems. This is a hands-on technical role focused on system stability and performance, security, continuous improvement and mentoring fellow support IT personnel. Mai n missions: Provide 2nd & 3rd line support for IT systems and applications. Maintain deep knowledge of the full IT environment and provide expert guidance on all components of the end-to-end service. Lead root cause analysis and implement long-term solutions. Maintain and improve Windows Server environments (physical/virtual), AD, backups, patching, and PKI. Ensure adherence to compliance standards for audits (e.g. ICAO, EIDAS, and ISO27001) while promoting and implementing industry best practices. Ensure all system changes are properly planned, tested, documented, approved, and reviewed to maintain reliability, with clear back-out plans in place. Automate tasks and improve system efficiency through scripting. Support disaster recovery and failover testing. Collaborate with internal teams and 3rd-party suppliers. Create and maintain technical documentation and knowledge bases. Mentor junior team members and promote best practices. ABOUT YOU Qualifications, Skills and Experience Higher level education in IT or a related degree. Or in the absence of a relevant degree an additional 5 years’ experience in addition to the years of proven experience listed below. 3 years in Windows enterprise support and operations. Experience with: Change management processes Microsoft SQL (backups, tuning, support) External customer and supplier support Network devices (VLANs, routing) – desirable Hyper-V and data center operations – desirable PKI systems (Microsoft CAs) – desirable Focus Areas (1 year hands-on in at least one required) Windows Domain Admin – Hands-on experience with setup and configuration of physical/virtual machines, Windows Server 2016 (AD, DNS, GPO, Hyper-V, Failover Clustering), and WSUS patch management. Application Lifecycle – Oversee application updates and upgrades, driving improvements in collaboration with development teams. PKI & CA Operations – Experienced in managing Public Key Infrastructure (PKI), including Certificate Authority (CA) operations and certificate generation processes. Certifications Microsoft or other relevant technical certifications preferred. Skills & Competencies Fluent in English (French is a plus). Strong troubleshooting, problem-solving, and documentation skills. Ability to read and interpret technical journals, schematics, wiring diagrams, specifications, international standards, and solution documents. Proficient in Microsoft Office (Word, Excel, Visio). Experience with ITIL-based incident and change management tools. Excellent interpersonal, communication and customer-facing skills. Hard-working, goal-oriented, energetic, and professional in fast-paced, results-driven environments. Ability to challenge ideas calmly and logically, explore solutions, anticipate risks, and adapt to changing locations and on-call schedules. Work Environment & Expectations Office-based role with occasional data center exposure (ear protection provided when required). Participate in on-call support rotation as needed. Follow ITIL best practices and comply with all security, quality, and safety standards. Use and help maintain company tools for remote support, asset and service management. International travel up to 60% for implementations, training, and support—valid passport and visas required. Must be eligible to work in the EU and internationally; national-level security clearance eligibility is a plus. TOPPAN is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, gender, sexual orientation, age, color, religion, national origin, veteran status, or disability.