• Design, implementation, and automation of large-scale distributed systems • Build tools and automation that help Five9 achieve higher availability, scalability, latency, and efficiency • Work with Engineering teams to deliver high-quality software in a fast-paced environment • Monitor production and development environments to build preventive measures and provide a seamless customer experience • Work with delivery teams on software improvements to achieve higher availability and lower MTTD • Participate in on-call rotation (8h shift, 7days a week, every 3-4 weeks)

• Work closely with developers to prototype and design new infrastructure features • Deploy, install, configure and maintain sophisticated trading/finance and related software • Configure bare-metal instances using Infrastructure as Code • Build and maintain CI/CD pipelines • Make key decisions regarding scalability, reliability and availability • Install and manage in-house and third-party monitoring systems • Design, deploy, and configure cloud-based servers and networks; provision servers and storage; configure firewalls, VPNs, monitoring, etc. • Administer UNIX infrastructure — installation, configuration, and maintenance • Manage Nexus and Git repositories

Role Description We are looking for a DevOps Engineer with German language skills to join our team and support the operation and maintenance of test environments for a large customer in the banking sector. In this role, you will work with Linux systems, Java-based applications, container platforms, and automation tools to keep development and testing environments running smoothly. You will help troubleshoot issues, support application deployments, automate repetitive tasks, and work closely with developers, testers, and customer teams to ensure environments are available when needed. This position is a good fit for someone who enjoys solving technical problems, working across infrastructure and application layers, and being involved in the day-to-day operation of complex enterprise environments. Responsibilities - Ensure environment stability: - Maintain and support Linux-based test environments, ensuring availability, reliability, and readiness for development and testing activities. - Manage application platforms: - Administer, monitor, and troubleshoot Java-based applications running on Apache Tomcat and Apache HTTP Server. - Operate containerized solutions: - Support Docker and Kubernetes/OpenShift environments, ensuring smooth deployment, configuration, and runtime operations. - Resolve cross-layer issues: - Investigate and fix incidents across application, infrastructure, networking, and environment layers. - Analyze logs and identify root causes: - Perform log analysis, debugging, and root cause investigations to resolve complex technical problems efficiently. - Automate operational tasks: - Develop and maintain Bash scripts to streamline recurring activities and improve environment management processes. - Support database troubleshooting: - Assist with database-related investigations and issue resolution involving Oracle and DB2 environments. - Collaborate with technical teams: - Work closely with development and testing teams to prepare, maintain, and optimize test environments. - Communicate with stakeholders: - Interact with customer stakeholders and internal teams in German and English on operational topics and environment-related issues. Qualifications - 3+ years of experience in DevOps, System Engineering, Application Operations, Linux Administration, or a similar role. - Strong hands-on experience with Linux environments, ideally Red Hat Enterprise Linux (RHEL). - Experience supporting and troubleshooting Java-based applications running on Apache Tomcat and Apache HTTP Server. - Good understanding of Docker and Kubernetes/OpenShift environments. - Knowledge of networking fundamentals (TCP/IP) and troubleshooting connectivity issues. - Experience with Bash scripting and automation of operational tasks. - Experience working with Oracle or DB2 databases, including basic SQL usage and troubleshooting. - Strong analytical and troubleshooting skills across infrastructure and application layers. - Ability to communicate effectively with technical teams and customer stakeholders. - Fluency in German and English (written and spoken). - Regular use of AI tools to improve productivity, automate or reduce repetitive work, support decision-making, and deliver higher-quality outcomes. - Ability to use AI tools responsibly by structuring effective prompts, critically validating outputs, understanding limitations, and taking ownership of the final result. Benefits - Enjoy our holistic benefits program that covers the four pillars that we believe come together to support our wellbeing, covering social, physical, emotional wellbeing, as well as work-life fusion. - Physical Wellbeing: - Our wellbeing program includes medical benefits, gym support, and personalized fitness options for an active lifestyle, complemented by team events and the Healthy Habits Club. - Work-Life Fusion: - In very dynamic industries such as IT, the line between our professional and personal lives can quickly become blurred. Having a one-size-fits-one approach gives us the flexibility to define the work-life dynamic that works for us. - Emotional Wellbeing: - We believe that to maintain our overall health, we need to invest in our mental wellbeing just as much as we do in our physical health, social connections or in achieving work-life balance. - Social Wellbeing: - As a growing community in a hybrid environment, we want to ensure we remain connected not just by the great work we do every day but through our passions and interests.

Role Description This position is within the Tolling Services team of Deutsche Telekom IT Solutions Hungary. The team consists of IT professionals specializing in electronic road-charging solutions. Together with our partners, we develop and operate intelligent, kilometer-based tolling systems for international customers, covering the entire business process: - Vehicle registrations - Country booking - Providing On-Board Units - Position data transmission - Charge calculation - Fleet billing Leveraging digital intelligence and advanced technology, our tolling solutions facilitate seamless mobility across Europe. The team aims to enhance existing services and expand into new domains. As part of an international team collaborating with T-Systems International, you will play a key role in supporting our customers with cutting-edge tolling solutions. We are seeking a highly skilled DevOps Engineer - Monitoring to join our team. In this role, you will be responsible for designing, implementing, and maintaining robust monitoring solutions to ensure the reliability, availability, and performance of our infrastructure and applications. You will work closely with development, operations, and security teams to proactively identify and resolve issues before they impact our users. Main tasks What you'll do: - Design, deploy, and manage scalable cloud and hybrid infrastructure environments with a primary focus on automation, reliability, and security. - Build and maintain Infrastructure-as-Code solutions using Terraform and other automation tools to provision and manage AWS and on-premises resources. - Develop and enhance CI/CD pipelines to enable secure, reliable, and efficient software delivery. - Automate infrastructure provisioning, configuration management, monitoring, and operational processes using scripting and DevOps best practices. - Collaborate closely with development teams to improve platform reliability, deployment processes, and operational efficiency. - Implement and maintain observability solutions, including monitoring, logging, and alerting platforms. - Manage AWS services and cloud-native infrastructure components while ensuring security and compliance requirements are met. - Support containerized workloads and orchestration platforms such as Docker and Kubernetes. - Design and maintain networking components including firewalls, VPNs, load balancers, and secure connectivity between cloud and on-premises environments. - Troubleshoot infrastructure, platform, and networking issues to ensure high availability and optimal system performance. - Participate in on-call rotations and contribute to incident response and continuous service improvement. - Stay up to date with emerging DevOps, cloud, automation, and security technologies and best practices. Qualifications - Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent practical experience). - 3+ years of experience in DevOps, Cloud Engineering, Infrastructure Engineering, or a similar role. - Hands-on experience with AWS cloud services and cloud-native architectures. - Strong experience with Infrastructure-as-Code tools, preferably Terraform. - Experience building and maintaining CI/CD pipelines. - Strong scripting and automation skills using Python, Bash, PowerShell, or similar languages. - Experience with monitoring and observability platforms such as Prometheus, Grafana, Splunk, or similar tools. - Understanding of containerization and orchestration technologies such as Docker and Kubernetes. - Solid knowledge of networking concepts, including VPNs, firewalls, load balancers, DNS, and network security. - Familiarity with security best practices, IAM, encryption, and compliance requirements. - Strong troubleshooting, analytical, and problem-solving skills. - Excellent communication skills and ability to collaborate across engineering, security, and development teams. Requirements - AWS certifications (Solutions Architect, DevOps Engineer, Security Specialty, or similar). - Experience with DevSecOps practices and integrating security controls into CI/CD pipelines. - Knowledge of security compliance frameworks such as ISO 27001, SOC 2, GDPR, or HIPAA. - Experience with SIEM platforms, vulnerability management, and security automation. - Familiarity with zero-trust architecture and micro-segmentation concepts. - German language skills. Benefits - Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.