Junior Cloud Engineer
- Mainstream
- Sofia, Bulgaria
- BGN 30,000 – BGN 45,000
Join Our AI-Powered Cloud Engineering Team
At Mainstream, we're building the next generation of cloud operations by combining deep infrastructure expertise with AI-powered automation and intelligent operations. We're looking for motivated Junior Cloud Engineers who are eager to launch their careers, learn from experienced engineers, and grow in an AI-powered infrastructure environment while working with modern enterprise technologies.
As part of our Cloud Engineering team, you will support enterprise infrastructure, monitor mission-critical systems, resolve operational incidents, and develop your technical skills while helping our customers maintain secure, scalable and reliable platforms.
What you'll do
- Monitor infrastructure, system health, performance, security and availability
- Provide L1 operational support by responding to alerts and resolving standard infrastructure incidents
- Escalate complex issues to higher support levels when required
- Perform routine operational tasks, health checks and maintenance activities
- Assist with deployments, patching and basic system administration
- Follow operational procedures, incident management and security best practices
- Maintain operational documentation and runbooks
- Continuously learn and contribute to automation and digital transformation initiatives
Requirements
- 0–2 years of experience in IT Operations, System Administration, Infrastructure, or a relevant technical education
- Basic understanding of Linux, networking and virtualization concepts
- Analytical thinking and willingness to learn
- Good communication skills and a collaborative mindset
- Endless curiosity
- Fluent Englis
Why join Mainstream?
Work alongside experienced engineers in enterprise infrastructure and virtualization
Gain hands-on experience with mission-critical environments and modern technologies
Learn in an AI-powered engineering organization where automation is part of everyday work
Access continuous learning, mentoring and professional development opportunities
Be part of a collaborative team that values curiosity, ownership and innovation
Skills
- Linux
- Networking
- Virtualization
- Cloud Computing
- Incident Management
- Monitoring
- Automation








