Senior Infrastructure & Platform Engineer

At Krimda, we continue to grow and are looking for a Senior Infrastructure & Platform Engineer to join a strategic, long-term project focused on the management, evolution, and ownership of critical infrastructure and platform services hosted within Russian territory.
This position will play a key role in the migration, implementation, administration, maintenance, monitoring, security, and continuous improvement of production environments. While the role initially focuses on the migration of existing services to a Russian cloud infrastructure, it is primarily designed as a long-term infrastructure ownership position, ensuring stability, security, and operational excellence after the migration phase.
If you have extensive experience in Infrastructure Engineering, Systems Administration, Platform Operations, Cloud Migrations, Networking, and Security, and are looking for a challenging freelance opportunity within an international environment, this could be the perfect next step in your career.
🌟 What are we looking for?
We are seeking a senior professional with proven experience managing production infrastructures and critical platforms. You will work closely with international IT teams, acting as the primary technical owner of the Russian infrastructure environment and ensuring that all services remain reliable, secure, scalable, and fully operational.
✅ Requirements
🎓 Education
Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related discipline.
Equivalent practical experience may also be considered.
💼 Experience
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.
🧠 Key Technical Skills
🖥️ Infrastructure & Systems Administration
Strong hands-on experience with:
Windows Server administration.
Linux Server administration.
Infrastructure operations and maintenance.
Virtualization platforms and IaaS environments.
Storage management.
Platform administration and support.
🌐 Networking & Security
Solid knowledge and practical experience in:
TCP/IP networking.
DNS administration.
Routing.
VPN technologies.
Firewalls.
VLANs.
Load balancing solutions.
TLS/SSL security.
Access control management.
☁️ Cloud & Platform Engineering
Experience in:
Cloud infrastructure migrations.
Infrastructure deployment and implementation.
Production cutover and stabilization processes.
Platform lifecycle management.
Continuous infrastructure improvement initiatives.
Capacity planning and optimization.
💾 Backup, Recovery & Reliability
Experience with:
Backup solutions administration.
Restoration and recovery procedures.
Replication management.
Disaster Recovery (DR) processes.
Infrastructure availability and resilience strategies.
Performance and health monitoring.
🌍 Languages
Fluent Russian (mandatory).
Professional English proficiency, both written and spoken (mandatory).
Ability to collaborate effectively in an international environment.
🤝 Soft Skills
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.
🎯 What will you do?
🚀 Infrastructure Migration & Deployment
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.
🖥️ Infrastructure Administration
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.
🌐 Network & Security Management
Administer firewalls, VPNs, DNS, routing, load balancers, and security controls.
Maintain infrastructure security and compliance standards.
Implement access controls and security best practices.
📊 Monitoring & Incident Management
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.
💾 Backup & Disaster Recovery
Manage backup and restoration procedures.
Maintain replication and disaster recovery mechanisms.
Ensure business continuity and platform resilience.
🤝 Collaboration & Technical Leadership
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.
💼 What do we offer?
🏠 100% Remote Freelance Contractor position.
📍 Candidates must be legally residing in Russia.
🚀 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.
💡 Interested?
If you are an experienced Senior Infrastructure & Platform Engineer with strong expertise in Windows, Linux, Cloud Infrastructure, Networking, Security, Backup & Disaster Recovery, and you are looking for a long-term freelance opportunity where you can take ownership of a critical infrastructure platform in Russia while collaborating with international teams, we would love to hear from you! 🚀

Work arrangement
Yes