DevOps Cloud Engineer

Mainstream is the leading cloud provider in the region, with a network of over 8 data centers across Southeast Europe. With the largest team of cloud experts in the Balkans, Mainstream provides support to clients in all stages of cloud transformation, from assessment of readiness to move to the cloud and development of a cloud strategy to migration, management and optimization of public, hybrid and multi-cloud environments.

Partnerships with global cloud leaders such as Amazon Web Services and Microsoft Azure, as well as the regional Mainstream Cloud platform, provide a wide choice of cloud solutions that, combined with the certifications and collective experience of the Mainstream teams, strengthen the business of regional and foreign companies. Over the years, Mainstream has built a reputation as a cloud partner that "unlocks new business opportunities through technology" and has earned the trust of over 300 clients.

Now, we are looking for a
DevOps Cloud Engineer
to strengthen our
Managed Application
team.

The Managed Application team's mission is to ensure the flawless operation of our clients' web services through advanced managed cloud solutions. As a DevOps Cloud Engineer, you will be a key part of this mission, using your knowledge and experience to turn companies' ideas from various industries into reality.

What kind of projects will you work on?

In short — diverse ones. Over the past year, our team has worked with numerous technologies on projects such as launching the new website for
Remiks
, performing a
cloud migration for Fashion Company
, and providing
managed services for FitPass
.

For your career, this means continuous growth through mastering new platforms and tools, as well as exploring new approaches to building application-centric environments. Your focus will be on delivering highly available services that not only meet but exceed the demanding expectations of clients and their enterprise systems.

The
DevOps Cloud Engineer
role involves using modern automation and monitoring tools such as
Terraform, Ansible, Grafana, and Prometheus
. In addition to deploying, maintaining, and monitoring
Linux servers
, your responsibilities will include providing
expert L2 support
to clients and internal support within the team.

The ideal candidate has experience they wish to build upon, a motivation to share knowledge, a readiness to learn through hands-on cases, and a collaborative mindset for finding the best solutions to unforeseen challenges.

Key Responsibilities

• Deployment and system maintenance of Linux servers using leading automation tools –
  Terraform
  ,
  Ansible
• Server monitoring
  to ensure early problem detection and optimal performance of enterprise systems and applications
• Providing
  expert L2 support
  to clients for fast and efficient detection, diagnosis, and resolution of complex issues
• Adopting new
  cloud platforms and tools
  and applying the latest
  DevOps practices
• Continuous
  optimization of systems and processes
  to enhance performance, security, and stability
• Collaboration
  with the team on resolving unexpected situations and finding the best solutions
• Contributing to the development and implementation of
  digital and AI transformation initiatives

Job Requirements

Technical Skills

• Linux (Intermediate):
  networking, firewalls, system and web services
• Networking (Intermediate):
  solid understanding of TCP/IP, routing & switching, DNS
• Virtualization (Basic):
  VMware or Citrix XenServer
• Scripting (Basic):
  bash
• Strong understanding of
  root cause analysis
  and systematic system design
• Proactive, detail-oriented, and eager to keep learning

Preferred Experience

• *nix systems:
  RHEL, Ubuntu
• Web servers:
  Apache, Nginx, PHP-FPM
• Databases:
  MySQL/MariaDB/Percona
  , replication and clustering;
  PostgreSQL
  and
  MongoDB
  are a plus
• NoSQL:
  Memcache, Redis
• HA services:
  HAProxy, Keepalived
• Automation:
  Ansible, Terraform
• Monitoring:
  Nagios, Zabbix, Grafana, Prometheus
• Containers:
  Docker, CRI-O, Podman, Kubernetes

Mindset & Approach

We're looking for someone who not only understands complex network architectures but also
challenges the status quo
.

A
proactive thinker
who embraces automation,
AI-driven solutions
, and continuous optimization.

Someone
curious, innovative, and passionate
about building smarter, more resilient cloud systems — and who thrives in a
collaborative, fast-evolving environment
.

Why you'll love working with us

• Collaborate with a
  team of top regional experts
  who value learning, knowledge-sharing, and curiosity
• A
  culture that rewards initiative and innovation
  , where your ideas truly make an impact
• Hybrid work model
  — the flexibility to combine remote work with in-office collaboration
• Continuous growth through
  mentorship, certifications, and professional development programs
• Competitive benefits package
  including private health insurance, wellbeing programs, social events, and a referral bonus
• The opportunity to work on
  high-impact projects
  that shape the cloud landscape across the CEE region

If you recognize yourself in this role and are eager to join a growing team that's reshaping the future of cloud services, we encourage you to apply.

Only shortlisted candidates will be contacted.

We look forward to meeting you