• Lead and mentor a team of skilled engineers responsible for the deployment, operations, and scaling of critical data platforms including Apache Cassandra, Apache Kafka, OpenSearch, caching solutions (Memcached, Redis), relational databases (PostgreSQL, MySQL), Kubernetes, and Zookeeper. • Develop and execute long-term technical strategies to ensure the scalability, reliability, and performance of our data infrastructure. • Drive architectural decisions and innovations that align with CrowdStrike's business goals and technical roadmap. • Oversee operations in large-scale, business-critical Linux environments, balancing both cloud and bare metal infrastructures. • Collaborate with cross-functional teams to integrate data services seamlessly into CrowdStrike's broader technology ecosystem. • Implement and refine processes for continuous improvement, focusing on system reliability, performance optimization, and cost-effectiveness. • Provide technical leadership and guidance across the organization on best practices for data management and infrastructure.

Role Description We are looking for a highly skilled and motivated Site Reliability Engineer to manage and scale our global infrastructure. This role involves hands-on administration of Linux servers, automation, network configuration, system hardening, and ensuring high availability and performance. You will play a key role in infrastructure planning, security, compliance, and supporting mission-critical environments. Responsibilities - Infrastructure & Network - Install, configure, and harden Ubuntu Server environments (LTS releases). - Coordinate cross-connect implementations (L2/L3) with network providers to ensure reliable connectivity and SLAs. - Design infrastructure solutions including complex network topologies. - Implement automated provisioning using Ansible and Terraform. - Weekly Maintenance & Patching - Apply OS patches and server upgrades with minimal downtime (weekend window). - Apply firmware updates and monitor global infrastructure health using Prometheus/Grafana. - Lead and execute client migrations with minimal service disruption. - Security, Backup & Support - Enforce security policies: SSH hardening, firewalls, user permissions. - Design and maintain backup strategies and disaster-recovery plans. - Provide L2/L3 support, diagnose and resolve network and server issues. - Any other duties and responsibilities relevant to the role. Qualifications - 5+ years of hands-on Linux administration (Ubuntu Server, advanced level). - Deep knowledge of BGP, networking fundamentals, and cross-connect configurations (L2/L3). - Real hands-on experience with Ansible and Terraform in production environments. - Strong scripting skills in bash and/or Python. - Solid understanding of TCP/IP, DNS, DHCP, firewalls, AppArmor/SELinux. - Experience with Docker, Prometheus/Grafana/ELK, and database administration (PostgreSQL, MySQL, ClickHouse). - Fluent in English — both written and spoken. Nice to Have - Certifications: Ubuntu Professional, RHCE, or LPIC. - Experience with cloud platforms (AWS, Azure, Google Cloud) and hybrid-cloud architectures. - Familiarity with CI/CD tools (GitHub Actions). Benefits - Competitive compensation package. - Full-time remote role. - Learning & Development support. - Paid annual leave and sick leave. - Company events and team celebrations (online and offline). - Anniversary and birthday gifts. - Clear career growth and professional development opportunities. - Supportive, inclusive, and collaborative work environment.

• Collaboration with product teams. • Participate in the launch of new projects and new features. • Participate in the design of complex information systems. • Automate infrastructure components. • Setup and maintain infrastructure. • Consult managers and company clients. • Create and maintain technical documentation.

Role Description We are looking for a freelance PHP Developer for an initial 3-month engagement (July–September), with the possibility of extension based on project needs and performance. - Developing and implementing a data integration between AWS-based services and an existing Yii2 application. - Working on a project that combines legacy PHP solutions with modern components built using Yii2 and Vue.js. - Building and maintaining backend functionalities and integration services. - Collaborating with the project team to ensure reliable data exchange and system stability. - Supporting application deployment and operation in Linux-based environments. Qualifications - 4+ years of commercial experience in PHP development. - Hands-on experience with Yii2. - Experience designing and integrating REST APIs. - Understanding of TCP/IP networking concepts. - Experience working with MariaDB or similar relational databases. - Familiarity with Linux environments and containerized applications. - Exposure to Kubernetes-based environments. - Knowledge of HTML5, CSS, JavaScript, and Vue.js. - Practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery. - Ability to work independently and deliver solutions within defined timelines. - Good command of English (min. B2). - Immediate availability or availability to start in July is highly important. - Work from the European Union region and a work permit are required. Requirements - Knowledge of German (nice to have). - Experience working with AWS services and integrations (nice to have). - Experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work (nice to have). - Interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches (nice to have). Recruitment Process - CV review - HR call - Technical Interview - Client Interview - Decision