About us

Mainstream is a regional leader in advanced cloud, managed hosting, and IT infrastructures services.

We believe in delivering high quality solutions for every customer – no matter which cloud platform they choose – which is why we use a holistic approach to cloud transformation. Our experts are focused on providing bespoke cloud solutions, whilst maintaining the efficiency, flexibility, and security of our clients’ IT systems and applications. Through our partnerships with the three major cloud providers, our private cloud platforms, and a network of eight data centres in South East Europe, we cater to all the needs of regional businesses.

60+
cloud and system engineers
200+
satisfied customers
10+
years of cloud experience
8+
data centers in the region

100% multi-cloud

Mainstream helps its clients to implement advanced, business-centric solutions on the private cloud as well as on public cloud platforms: Microsoft Azure, Amazon Web Services and Google Cloud. Our experts bring years of experience in designing and implementing custom-tailored infrastructure for companies at all stages of cloud adoption.

100% reliable partner

From the biggest team of cloud experts in the region through enterprise-class infrastructure all the way to strategic consulting and IT optimization services, Mainstream is here to help you simplify, accelerate, and enhance your digital projects. In the past 10 years, we have built close partnerships with over 200 clients, accumulating deep expertise, and understanding of unique market demands in industries such as retail, e-commerce, banking& finance.

We support your transformation

As pioneers and leaders in cloud services, we provide a multitude of solutions with one priority in mind: delivering success for our clients.

Technical excellence

Mainstream data centres are equipped with the highest quality software and hardware products on the market. Along with investing in proven technologies, we focus on developing our teams’ professional competencies. Our cloud and IT administration experts are certified across all major public cloud platforms, including MS Azure, AWS and Google Cloud.

Providing choice

We have a network of 8 enterprise-class data centres within and outside the European Union. Thanks to our multi-cloud expertise and our own cloud platforms, which are based on more than 10 years of experience, we offer you the flexibility to choose the cloud model and hosting location that best suits your needs.

Cloud solutions made for you

Mainstream consultants are strategic advisers who will analyse your existing IT environment, business needs and goals, and will recommend the right solution for your requirements. Moreover, we provide specialized consulting services, such as digital maturity assessments, TCO analysis and cloud migration strategy, to help you maximize the benefits of cloud services.

Focus on business

We take full responsibility for managing your cloud resources and infrastructure so you can focus on growing your business. Our services are backed by strict SLAs that guarantee that your IT systems are fully managed and always up and running.

Our People

Ljubiša Radivojević

CEO

 

One of the founders of Mainstream, in charge of strategic business development. He started his career as a Linux engineer and now has more than 15 years of experience in providing high-quality IT services and implementing high-performance systems. One of the key people responsible for positioning Mainstream as a leader in the region, with proven entrepreneurial experience. While collaborating with businesses and corporations, Ljubiša aims to help them make the best use of digitization and transfer their IT business to the cloud environment as seamless as possible.

Aleksandar Nedeljković

Chief Business Officer

 

As CBO at Mainstream, Aleksandar is responsible for the formation of business strategy to ensure the company’s long- term growth, as well as for the development of consulting services.

Prior to Mainstream, he has worked in various capacities in foreign investments and business consulting, with organisations such as SIEPA and Deloitte. He specialises in market entry strategy, operating model design, TCO analysis and strategic cost reduction, and is well versed in operating synergies in M&A.

Zorana Jurić

Vice President of Sales

 

As VP of Sales in Mainstream, she is responsible for sales strategy, ensuring long-term growth. With extensive experience in sales, marketing and management, Zoran’s focus is the realization and monitoring of all business units, as well as supporting marketing department. Prior to joining Mainstream, Zorana worked as a Senior Marketing Manager for Eastern Europe at Kaspersky Lab, where she was responsible for creating a long-term strategy and implementing comprehensive marketing activities. In the period from 2008 to 2018, Zorana worked in several positions at IDC, starting as a local analyst, team leader of analysts and consultants in the Adriatic region to running the entire office business in the Adriatic region. As an analyst, she was responsible for research on IT services, software, data storage devices and smartphone markets in Serbia, and actively participated in numerous consulting and research projects for IT solution providers and end-user IT directors.

Milica Vesić

Marketing manager

 

As a marketing manager in Mainstream, she is responsible for marketing strategy, defining access to the domestic and global market, building the company’s brand, communication and marketing campaigns, launching new services and ensuring customer satisfaction.
Over the past 10 years, she has gained experience in creating and implementing marketing strategies and projects in the FMCG, gaming and IT industries with a focus on brand management, trade marketing activities, corporate communications, digital marketing and employer positioning.

Goran Milošević

Service Delivery Director

 

More than 27 years of experience in the IT industry. He has gone from an IT system engineer and presales technical consultant to a manager managing teams of 20 to 130 people in the last 10 years. He has extensive experience in large international IT corporations. He has expertise and rich experience in IT services with specialization in Cloud and outsourcing IT services. He has been working in Mainstream since the beginning of 2020 and is responsible for the quality of service, customer satisfaction and efficient work of all teams for the delivery of Cloud services and Managed hosting.

Nikola Marković

Chief Business Development Officer

 

Has more than 20 years of experience in providing IT services on both regional and international markets. Worked with various clients – from small and medium businesses to big corporations. His expertise includes managed services, IaaS, private and public cloud, support and maintenance, and consulting. In addition to his vast experience and a great portfolio of successful projects, Nikola has relevant certificates in the field of system administration: ITILv3, MCSA, MCSE, MCTS, MCP, CompTIA Security+, and many more.

Marko Uskoković

System Architect

 

Has more than 15 years of experience in administering Linux systems, virtualization platforms, and databases. After gaining a diverse work experience and perfecting his analytical approach to problem solving at the Computer Center of the Faculty of Electrical Engineering in Belgrade, he joined Mainstream. With a clear focus on high availability as a priority, he participated in designing a Managed Web Hosting system and implementing more than 1000 Linux servers, including mCloud – which is the public cloud system of Mainstream. Marko constantly uses new technologies and tests their limits, but he also enjoys sharing his knowledge, both to younger associates and to Linux students.

Ivana Stevanović

Financial Controller

 

More than 10 years of experience in the field of finance. She has been with Mainstream since 2016 and prepares, monitors and analyzes the company’s financial statements. She is in charge of evaluating financial indicators and business risk, as well as harmonizing financial reporting with regulatory standards. In addition, she also participates in the planning of the budget and financial growth of Mainstream company.

Bojan Manojlović

IT Project Manager

 

Expert for the internet, cloud, and hosting services with a rich experience of over 15 years. In charge of project management, coordinating the members of the tech team, designing the complex hosting infrastructure, and the cloud platform. Also responsible for analyzing clients’ business needs and finding the perfect solution for them, service delivery, and capacity management. Has an admirable experience with the Cisco and VMware technologies and the following relevant certificates:Cisco Certified Network Professional, Cisco Certified Academy Instructor.

Vladimir Stefanović

Azure Team Lead

 

Vladimir is an Azure Solution Architect and Microsoft System engineer with over 10 years of experience in the IT industry. He is the most respected specialist in the local Azure community with an immense desire to share his knowledge and expertise. He has also earned the status of Microsoft MVP. Vladimir is a regular lecturer and trainer at workshops at various conferences around the world, and co-author of three books on Amazon.

Rastko Vasiljević

AWS Team Lead

 

Rastko is an experienced AWS Solution Architect (Associate) and Linux System Engineer with over ten years of experience in the IT industry. For the past four years, he has led the AWS team at both Mainstream and SuperAdmins, and managed projects involving clients from several continents. His international experience and knowledge of cloud computing cover all aspects from cost optimization to security and DevOps. Rastko gladly shares his expertise by participating at conferences in Serbia and the region, as well as by writing educational content in the field of AWS.

Pavle Obradović

Senior System Engineer

Pavle holds the position of Senior Systems Engineer at Mainstream. He is a highly analytical internet services expert with a focus on designing highly available, high performance, and low latency networks. His responsibilities include Client requirements Analysis, Design of scalable, high-performance provider networks, Design of Complex Hybrid Infrastructure, Design of Cloud-Based Platforms, Optimization for mission-critical applications, Infrastructure design and capacity management, Risk Assessment and mitigation plans, Development of custom software tools, Statistical analysis of collected metrics. With more than 7 years of experience in the service provider environment, he has been involved and led all phases of PPDIOO (Prepare, Plan, Design, Implement, Operate, Optimize) network lifecycle.

Bojan Vitnik

Senior System Engineer

 

From an early age worked with *nix based systems and Open Source technologies. Self-taught in several programming languages. His knowledge and skills from an early age are further improved during college education and work in the academic environment, focusing himself on developing analytical skills and understanding of complex systems. With 10 years of work experience, he is an expert in cloud hosting technologies, virtualization platforms, high availability systems and automation. Using his skills, Bojan developed several new products and services in Mainstream and also greatly improved the automation of IT processes. Bojan is an active contributor in the world of Open Source software, most notable for his contributions to the Ansible project.

Explore careers at Mainstream

Mainstream gathers proactive, dedicated, and professional people by creating an uplifting and modern environment which encourages progress, learning, and fun times.

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Our Partners

Cisco

Cisco® (NASDAQ: CSCO) is the world’s leading computer network company that transforms the way people connect, communicate, and collaborate. Cisco Systems creates a series of sophisticated, high performing, secure, and flexible solutions for the convergence of data, voice, and video services.

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Net App

NetApp was established in 1992 and it is considered to be one of the biggest names in data storage and management. Thanks to its continuous efforts, NetApp has managed to keep its leading role in presenting innovative approaches. The company provides organizations with a scalable, flexible, and efficient foundation for storing, accessing, and protecting valuable information assets.

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HP

HP creates new possibilities for technology to have a meaningful impact on people, businesses, governments, and society. The world’s largest technology company, HP brings together a portfolio that spans printing, personal computing, software, services and IT infrastructure to solve customer problems.

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Citrix

Citrix technologies focus on both business services and individuals who use them, allowing you to always offer your employees the exact services they need, whenever and wherever.

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Vmware

Vmware solutions enable the virtualization of operating systems which help you manage and maintain your virtual infrastructure, and speed up your business operations.

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Barracuda Networks

Barracuda Networks is a company that provides innovative security solutions for more than 150,000 companies, in the following segments: content protection and security, networking and delivery apps, data storage, data protection, and data recovery.

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RedHat Partner

Red Hat is one of the world’s largest open source solutions providers.

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Cisco® (NASDAQ: CSCO) is the world’s leading computer network company that transforms the way people connect, communicate, and collaborate. Cisco Systems creates a series of sophisticated, high performing, secure, and flexible solutions for the convergence of data, voice, and video services.

Visit website

NetApp was established in 1992 and it is considered to be one of the biggest names in data storage and management. Thanks to its continuous efforts, NetApp has managed to keep its leading role in presenting innovative approaches. The company provides organizations with a scalable, flexible, and efficient foundation for storing, accessing, and protecting valuable information assets.

Visit website

HP creates new possibilities for technology to have a meaningful impact on people, businesses, governments, and society. The world’s largest technology company, HP brings together a portfolio that spans printing, personal computing, software, services and IT infrastructure to solve customer problems.

Visit website

Citrix technologies focus on both business services and individuals who use them, allowing you to always offer your employees the exact services they need, whenever and wherever.

Visit website

Vmware solutions enable the virtualization of operating systems which help you manage and maintain your virtual infrastructure, and speed up your business operations.

Visit website

Barracuda Networks is a company that provides innovative security solutions for more than 150,000 companies, in the following segments: content protection and security, networking and delivery apps, data storage, data protection, and data recovery.

Visit website

Red Hat is one of the world’s largest open source solutions providers.

Visit website

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