Junior Mainstream Cloud Engineer

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

• 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 English, Fluent Bulgarian

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