# Medior Cloud Engineer (L2) –Private & Public Cloud Open Talent Pool at Mainstream

> Hybrid · Serbia · Unspecified · DevOps / SRE / Infra · open. Source: https://alderhq.app/jobs/recruitee%3Amainstream%3A2679483 (read 2026-11-08).

## Facts (observed)

- Company: [Mainstream](https://alderhq.app/companies/mainstream)
- Location text: Beograd, Beograd, Serbia
- Where it can be done from (inferred): Hybrid · Serbia (evidence: "Location: Beograd, Beograd, Serbia")
- Posted: 2026-07-16 (115 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/medior-cloud-engineer-l2-private-public-cloud-open-talent-pool
- Skills listed (inferred): Python, PHP, PostgreSQL, MySQL, MongoDB, Redis, AWS, Azure, Kubernetes, Docker, Terraform

## Pay and sponsorship

- Posted pay: not posted

## Description (the employer's text)

### Join Our AI-Powered Cloud Engineering Talent Pool

At Mainstream, we're building the next generation of cloud operations by combining deep cloud expertise with AI-powered automation and intelligent operations. We're looking for motivated Medior Cloud Engineers who are eager to launch their careers, learn from experienced engineers, and grow in an AI-powered cloud environment while working with modern cloud technologies and enterprise infrastructure.

Whether you're more interested in Private Cloud, Public Cloud (AWS or Microsoft Azure), or a combination of both, we'd love to hear from you.

As part of our Cloud Engineering team, you will support enterprise environments, monitor mission-critical systems, resolve operational incidents, and learn modern cloud technologies while helping our customers maintain secure, scalable and reliable cloud platforms.

### What you'll do

Deploy, maintain and optimize cloud infrastructure

Monitor system health, performance, security and availability

Provide L2 support by troubleshooting and resolving infrastructure incidents

Automate infrastructure using IaC and configuration management tools

Work with Linux, virtualization, containers and cloud-native technologies

Collaborate with engineering teams to improve reliability, scalability and operational efficiency

Follow DevOps, incident management and security best practices

Continuously learn and contribute to cloud, automation and digital transformation initiatives

### Requirements

3–5 years of experience in Cloud, Linux System Administration, Infrastructure or DevOps roles

Experience supporting production environments and resolving infrastructure incidents

Strong analytical thinking and structured troubleshooting approach

Strong communication skills and a collaborative mindset

Fluent English

### Experience with some, not all, of the following technologies is expected

Operating Systems: Linux administration (RHEL, Ubuntu and similar), including network, system and application services

Networking: TCP/IP, DNS, troubleshooting

Infrastructure & Virtualization: VMware and/or Citrix XenServer, Infrastructure as Code (Terraform preferred), Configuration Management (Ansible)

Automation & Scripting: Bash and/or Python scripting, CI/CD fundamentals, Jenkins (nice to have)

Containers & Cloud Native: Docker, Kubernetes

Databases & Web Technologies: Apache, Nginx, PHP-FPM, MySQL / MariaDB / Percona, PostgreSQL, MongoDB, Redis, Memcached

High Availability & Monitoring: HAProxy, Keepalived, Nagios, Zabbix, Grafana, Prometheus

Public Cloud Platforms: AWS, Microsoft Azure

### What we value

Technical leadership and ownership

Knowledge sharing and mentoring

Curiosity and continuous learning

Customer-focused approach

Passion for automation and modern cloud technologies

### Why join our Talent Pool?

Even if we don't have the perfect opportunity open today, joining our Cloud Engineering Talent Pool means you'll be among the first professionals we contact when a matching Senior position becomes available.

If you're looking for your next challenge in Private Cloud, AWS, Azure or hybrid cloud environments, we'd love to get to know you.

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/recruitee%3Amainstream%3A2679483 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.