We are looking for a hands-on System Administrator, focusing mainly on Linux operating systems. At R8 Technologies, we build intelligent building automation and energy optimization solutions that help reduce energy consumption and make buildings smarter.
This role is best suited for someone who enjoys working close to the infrastructure layer, including physical hardware, virtualization, Linux systems, automation, and reliability engineering.
What you’ll be doing
- Managing and maintaining our physical and virtual server infrastructure throughout its lifecycle
- Operating and improving virtualization and container platforms
- Working closely with DevOps and development teams to provide reliable environments for development, testing, and production systems
- Ensuring infrastructure reliability, availability, performance, and security
- Designing, implementing, and regularly verifying backup and recovery processes
- Building and maintaining monitoring, alerting, and logging solutions
- Automating repetitive operational tasks and improving infrastructure scalability
- Troubleshooting infrastructure, system, and performance issues across different layers
- Participating in infrastructure planning, capacity management, and future architecture decisions
- Maintaining infrastructure security, patching, and access management practices
- Supporting internal services and environments used for development, testing, and production workloads
- Contributing to documentation, operational standards, and best practices
- Staying open to new technologies and helping evaluate future infrastructure directions, including cloud-based solutions
What we’re looking for
- Strong experience with Linux system administration in production environments
- Experience with virtualization platforms and infrastructure management
- Good understanding of server hardware, storage, and networking fundamentals
- Experience with infrastructure automation and configuration management
- Familiarity with containers and modern deployment workflows
- Experience with IaaC and CI/CD environments
- Experience with monitoring, observability, and centralized logging solutions
- Understanding of infrastructure reliability, backup strategies, and disaster recovery principles
- Comfortable working in a growing environment where processes and infrastructure evolve continuously
- Ability to work independently, take ownership, and proactively improve systems
Nice to have
- Experience with hybrid or cloud infrastructure
- Familiarity with secrets management and service orchestration tools
- Experience with migrations, infrastructure modernization, or platform consolidation projects
- Knowledge of high availability and scalability concepts
What we offer
- Opportunity to shape and grow the company’s infrastructure together with the team
- Freedom to propose and implement new ideas and technologies
- Small but capable infrastructure environment where your impact is immediately visible
- Flexible and pragmatic engineering culture
- Meaningful work in the energy efficiency and smart building sector
- Competitive salary and growth opportunities
Sounds interesting?
Please send your CV and a cover letter to info@r8tech.io or apply directly from here!
Job Category: IT Team
Job Type: Full Time
Job Location: Tallinn