• Maintain and support core infrastructure systems with deep knowledge of Linux (Debian/Ubuntu preferred) • Work close to the metal: BIOS, IPMI, RAID setups, and hardware-level diagnostics • Design and maintain scalable networks using VLANs, L2/L3 routing, VPNs • Automate infrastructure provisioning and operations with Ansible, Bash/Python • Set up and manage observability stacks, including Prometheus/Grafana and ELK/Graylog • Build tooling for server discovery, config auto-generation, automated OS deployments • Integrate and/or develop internal APIs for tracking compute and GPU resource allocation • Deploy and maintain virtualization and orchestration systems such as OpenStack and Proxmox VE • Support container-based workloads and isolate services efficiently

• 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.