Technical Support Engineer (Level 3, PKI)

About the role

TOPPAN Security, the international development arm of the TOPPAN Group in the security domain, is looking for a Technical Support Engineer in Iż-Żejtun. You will deploy, configure, maintain and improve mission-critical IT systems, including Public Key Infrastructure (PKI) solutions, and provide expert Level 3 support with permanent root cause resolution. You will also help strengthen security compliance and mentor fellow support engineers.

Key responsibilities

• Support and optimise Windows servers (physical and virtual), VEEAM, Cisco devices, SCCM, WSUS, PKI systems (PrimeKey and Microsoft CA) and other critical applications
• Provide complex Level 3 support, perform root cause analysis and implement long-term solutions using TOPPAN's ITIL service management framework
• Monitor system performance, troubleshoot infrastructure issues and ensure security compliance
• Operate PKI services in line with ICAO and eIDAS regulations while performing Trusted Roles duties
• Manage software deployments from planning to retirement, change requests with testing, documentation, approval, audit and rollback plans, and CAB approvals
• Improve efficiency through automation and scripting, and act as Service Support Lead in cross-functional teams
• Maintain and test disaster recovery and failover procedures, write technical documentation and user guides, and coach junior engineers

Required profile

• Higher education in IT or a related discipline, or equivalent professional experience
• At least 3 years supporting and maintaining Windows enterprise environments
• Experience with data centre operations, including physical and virtual server administration (Hyper-V)
• Experience with change management, external customers, third-party suppliers and compliance standards such as ISO 27001, eIDAS and ICAO
• Hands-on experience in at least one of: Windows Domain Administration, Networking & Security, Application Lifecycle Management, PKI & Certificate Authority Operations, Storage, Backup & Database Administration
• Strong English; additional European languages are a plus

Required skills

• Networking technologies: VLANs, routing, Cisco devices, Cloudflare, DNS, CDN, WAF
• PKI systems, ideally Microsoft Certificate Authorities
• ITIL experience preferred, plus ITSM tools and Microsoft Office
• Relevant certifications such as CCNA, Microsoft Windows Server/Azure or Cloudflare Fundamentals are an advantage