# Junior Mainstream Cloud Engineer at Mainstream

> Hybrid · Bulgaria · Junior · DevOps / SRE / Infra · open. Source: https://alderhq.app/jobs/recruitee%3Amainstream%3A2700096 (read 2026-11-08).

## Facts (observed)

- Company: [Mainstream](https://alderhq.app/companies/mainstream)
- Location text: Sofia, Sofia, Bulgaria
- Where it can be done from (inferred): Hybrid · Bulgaria (evidence: "Location: Sofia, Sofia, Bulgaria")
- Posted: 2026-08-04 (96 days ago)
- First seen by alder: 2026-11-07 · last verified: 2026-11-08
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://careers.mainstream.eu/o/junior-mainstream-cloud-engineer

## Pay and sponsorship

- Posted pay: not posted

## Description (the employer's text)

### 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 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

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/recruitee%3Amainstream%3A2700096 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.