Cloud Engineer

Position:
Medior Mainstream Cloud Engineer

Company:
Mainstream

Location:
Bulgaria, Sofia

Employment type:
Not Specified

Work Arrangement:
Hybrid

Short Summary:
Join Our AI-Powered Cloud Engineering Team at Mainstream, where we're building the next generation of cloud operations by combining deep cloud expertise with AI-powered automation and intelligent operations.

Responsibilities:
- 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

Requirement:
- 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:
- Operating Systems: Linux administration (RHEL, Ubuntu and similar)
- 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

Benefits:
- Work alongside experienced engineers in enterprise infrastructure and virtualization
- Gain hands-on experience with mission-critical environments and modern technologies
- Grow 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