platform engineer critical infrastructure

Описание: Krimda is growing and working on a strategic, long-term project focused on managing, evolving, and owning critical infrastructure and platform services hosted within Russian territory. Задачи: Lead the migration of existing services and data to cloud infrastructure hosted in Russia; Execute testing, cutover, validation, and stabilization activities; Ensure smooth transition of production services with minimal disruption; Manage and maintain Windows and Linux environments; Administer virtualization platforms, storage, and infrastructure services; Perform upgrades, patching, and configuration changes; Ensure platform stability and operational excellence; Administer firewalls, VPNs, DNS, routing, load balancers, and security controls; Maintain infrastructure security and compliance standards; Implement access controls and security best practices; Monitor system health, capacity, performance, and availability; Troubleshoot infrastructure incidents and service disruptions; Perform root cause analysis and implement preventive actions; Drive continuous improvement initiatives across the platform; Manage backup and restoration procedures; Maintain replication and disaster recovery mechanisms; Ensure business continuity and platform resilience; Act as the primary technical point of contact for the Russian platform; Collaborate closely with international IT teams; Produce and maintain technical documentation; Support infrastructure planning and strategic improvements. Требования: Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related discipline, or equivalent practical experience; At least 5 years of experience in Infrastructure Engineering, Systems Administration, Platform Engineering, DevOps, or related roles; Proven experience supporting and maintaining production environments; Experience managing cloud and infrastructure migration projects; Experience administering and operating complex infrastructure platforms; Experience collaborating with international technical teams; Strong hands-on experience with Windows Server and Linux Server administration; Experience with infrastructure operations and maintenance, virtualization platforms, IaaS environments, storage management, and platform administration and support; Solid knowledge of TCP/IP networking, DNS administration, routing, VPN technologies, firewalls, VLANs, load balancing solutions, TLS/SSL security, and access control management; Experience with cloud infrastructure migrations, infrastructure deployment and implementation, production cutover and stabilization, platform lifecycle management, continuous infrastructure improvement, capacity planning, and optimization; Experience administering backup solutions, restoration and recovery procedures, replication management, Disaster Recovery processes, infrastructure availability and resilience strategies, and performance and health monitoring; Fluent Russian; Professional English proficiency, both written and spoken; Ability to collaborate effectively in an international environment; Strong analytical and problem-solving capabilities; Ability to troubleshoot complex technical issues; Ownership mentality and accountability; Ability to work independently in a remote environment; Strong prioritization and organizational skills; Excellent technical documentation skills; Effective communication and stakeholder management abilities. Условия: Long-term and stable engagement beyond the initial migration phase; International working environment with global IT teams; High level of technical ownership and autonomy; Opportunity to lead and evolve critical production infrastructure; Participation in strategic infrastructure and cloud initiatives; Flexibility with occasional participation in planned maintenance windows and migration activities outside normal business hours when required; Freelance Contractor position.