CLOUD-FOCUSED. PEOPLE-FIRST.

About us

Founded in 2005, Mainstream is among the pioneers of cloud services in Serbia, with a track record of more than 220 successful cloud projects in our portfolio. We are a fast-growing company that stands out as the leading cloud service provider in Southeast Europe. Our services cover the entire cloud journey - from POC and IT infrastructure assessments through migration, optimization, and management - as well as consulting services that support cost-effective and agile digital transformation across industries.

cloud and system engineers
satisfied customers
years of experience
cloud projects

YOUR CAREER AT MAINSTREAM

Join a leader in the cloud industry

Our regional data center ecosystem and expertise enable customers across all industries to make the most of the cloud. We combine modern, cutting-edge equipment with our extensive cloud experience to improve how companies create value from new technologies.


Be a part of the biggest cloud team in the Balkans 

We’ve built a team of more than 60 cloud and system engineers, with experience in deploying custom solutions across the top 3 public cloud platforms: Microsoft Azure, Amazon Web Services, and Google Cloud.


Work on meaningful digital projects  

From digital maturity assessments to multi-cloud management, we help organizations work more efficiently by leveraging our tailored cloud solutions with expertise across infrastructure, networks, apps, and hybrid data platforms.


Learn and earn valuable certificates

At Mainstream, we support your personal development through courses delivered by our Admin Training Center in Serbia, as well as external educational programs.

Technologies

mainstream cloud technologies

Who we look for

  • Experienced cloud and system engineers
  • Cloud and DevOps enthusiasts
  • Recent graduates seeking to start a career in tech

Job openings

We look forward to your application.

Windows System Engineer
Managed hosting
  • Belgrade, Serbia
Recruiter
HR
  • Belgrade, Serbia
System Engineer
Banking projects
  • Belgrade, Serbia
Linux administrator
Banking projects
  • Belgrade, Serbia
Application Support Specialist
Banking projects
  • Belgrade, Serbia
Microsoft Cloud Engineer
  • Belgrade, Serbia
Operations Center Engineer
Banking projects
  • Belgrade, Serbia
Windows System Administrator
Banking projects
  • Belgrade, Serbia

Some of our clients

Our offices

GREECE OFFICE

Antigonis 58
104 42 Athens, Greece
jobs@mainstream.rs

BULGARIA OFFICE

Tsarigradsko Shose 115i
1784 Sofia, Bulgaria
jobs@mainstream.rs

SERBIA OFFICE

Studentski trg 4
11000 Belgrade, Serbia
jobs@mainstream.rs

SERBIA (HEAD) OFFICE

Nušićeva 15
11000 Belgrade, Serbia
jobs@mainstream.rs

SLOVENIA OFFICE

Ajdovščina 2
1000 Ljubljana, Slovenia
jobs@mainstream.rs

CROATIA OFFICE

Josipa Marohnića 1
10000 Zagreb, Croatia
jobs@mainstream.rs

BOSNIA & HERZEGOVINA OFFICE

Sarajevo
jobs@mainstream.rs

MONTENEGRO OFFICE

Podgorica
jobs@mainstream.rs

NORTH MACEDONIA OFFICE

Skopje
jobs@mainstream.rs