System Application Support Engineer

G+D makes the lives of billions of people around the world more secure. We create trust in the digital age with integrated security technologies in three business areas:
Digital Security, Financial Platforms and Currency Technology. We have been a reliable partner for our customers for over 170 years with our innovative solutions for Security Tech! We are an international technology group and traditional family business with over 14,000 employees in 40 countries. Creating Confidence is our path to success. Trust is the basis of our co-operation within G+D.

At Payment Technology, our mission is to be at the start of every transaction and to make it secure and simple. We also create contemporary payment and banking solutions for our digital age. As a one-stop shop, we produce and personalise hundreds of millions of payment cards every year and store their "digital twins" - mobile and digital. Would you like to actively shape the digital transformation with us?

The System Application Support Engineer is responsible for providing technical support, maintenance, monitoring, and continuous improvement for business-critical applications and associated infrastructure. This role serves as a key liaison between business users, development teams, infrastructure teams, and third-party vendors to ensure application availability, performance, and reliability. The engineer will investigate and resolve complex application issues, support production environments, perform root cause analysis, and contribute to automation and operational excellence initiatives.

Success in this role requires strong analytical skills, technical troubleshooting capabilities, and the ability to work across multiple technology domains. This position requires effective communication, a customer-service mindset, and the ability to support critical business operations in a fast-paced environment.

• Provide Level 2 and Level 3 support for enterprise applications and business systems. The applications include commercial and proprietary applications.
• Configuration of applications and monitoring application health, performance, and availability.
• Applications include data communication (MFT), Webservices, databases, monitoring, printing, shipping system, and production related proprietary applications.
• Troubleshoot and resolve production incidents, service interruptions, and application errors.
• Work closely with business users to understand issues and deliver timely resolutions.
• Installation of Applications as per the Company standards and business needs
• Upgrading and installation of application patches
• User and data management within applications with proper security permissions.
• Proper change management of applications from configuration to upgrades
• Coordinate with development, infrastructure, networking, and vendor teams to resolve complex technical problems.
• Support application deployments, upgrades, patching, and maintenance activities.
• Participate in incident management, root cause analysis, and problem management processes.
• Create and maintain operational documentation, support procedures, and knowledge base articles.
• Participate in on-call support and after-hours maintenance activities as required.

• Support application environments hosted on Windows and Linux platforms.
• Administer and support Active Directory accounts, permissions, security groups, and service accounts.
• Work with networking teams to troubleshoot routing, DNS, firewall, VPN, and connectivity issues.
• Support certificate lifecycle management.
• Assist with backup and disaster recovery testing.
• Participate in the maintenance of windows and infrastructure changes.
• Assist with system integrations, data interfaces, and secure data exchange processes.
• Collaborate with networking teams to troubleshoot connectivity, DNS, firewall, VPN, and routing issues.
• Support certificate management and authentication services.
• Monitor application and infrastructure resources to proactively identify and resolve issues.

• Develop and implement automation solutions to improve operational efficiency.
• Analyze recurring incidents and recommend permanent corrective actions.
• Support business continuity, disaster recovery, and operational resiliency initiatives.
• Ensure adherence to organizational security, compliance, and audit requirements.
• Contribute to process improvements and service optimization…