platform engineer critical infrastructure

Krimda is growing and is focused on managing, evolving, and owning critical infrastructure and platform services hosted within Russian territory.

• Lead the migration of existing services and data to cloud infrastructure hosted in Russia;
• Execute testing, cutover, validation, and stabilization activities;
• Ensure a 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.

• Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related discipline;
• Equivalent practical experience may also be considered;
• Minimum 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, virtualization platforms, IaaS environments, storage management, and platform administration;
• 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, production cutover, stabilization, platform lifecycle management, capacity planning, and optimization;
• Experience administering backup solutions, restoration and recovery procedures, replication management, Disaster Recovery processes, availability, resilience, 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.

• 100% Remote Freelance Contractor position;
• 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;
• Competitive freelance rates based on experience and expertise;
• Flexibility with occasional participation in planned maintenance windows and migration activities outside normal business hours when required.