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IT Infrastructure

We take care of your company’s entire IT infrastructure 24/7, using AI-powered monitoring and automation to detect issues early, strengthen security, improve efficiency, and help prevent downtime.

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Technologies:

Build a secure, resilient, and future-ready IT environment with our end-to-end infrastructure services. We help organizations optimize their networks, servers, cloud environments, and endpoint management through proactive support, AI-powered automation, Microsoft Copilot, Microsoft Intune, and modern IT operations, ensuring greater security, efficiency, and business continuity.

OUR OFFER

DevOps Services

Optimized software delivery with AI

We enhance software development with AI-assisted automation, cloud integration, and CI/CD processes. Our expertise in multi-cloud environments and cloud-native technologies speeds up development cycles, reduces errors, improves product quality, and increases deployment frequency.

On-premise Infrastructure

Reliable management for self-hosted systems

We offer scalable network and server management solutions for your on-premise infrastructure. By providing secure server management, virtualization, and IT audits, we improve system performance, ensure continuous business operations, reduce downtime, and maintain regulatory compliance.

Endpoint Management 

Efficient and secure endpoints on all platforms

We manage and secure your devices with Microsoft Intune and Microsoft Configuration Manager (SCCM), enhanced by AI-driven insights and automation to improve endpoint management, security, and operational efficiency across your organization. We take full responsibility for the entire implementation process, from licensing and compliance assessments to proof of concept (PoC), testing, and production rollout. Our ongoing consulting and on-demand maintenance services help reduce IT workload, strengthen security, optimize device performance, and deliver a seamless user experience.

Cloud Platforms   

Greater flexibility and control over your applications

We deliver cloud solutions built on leading platforms such as ServiceNow, Salesforce, Microsoft 365, SAP, Adobe, and Atlassian. Combining AI capabilities with platform expertise, we provide implementation, customization, integration, and 24/7 support to help you maximize the value of your cloud investments. Through business analysis, process consulting, and intelligent automation, we ensure your SaaS applications are seamlessly integrated, optimized, and aligned with your business goals.

IT Infrastructure case studies

Efficient and secure IT infrastructure for a global leader in the construction industry

Watch how Sii's expert support in IT infrastructure helped the client further develop its business after relocating its business unit to Poland. Our team took over full administration of the server room and implemented modern and secure systems at the new production facility quickly.

Smooth operation of Puma's sales network with L3 support

Discover how Sii minimized the risk of sales interruptions by handling incidents and service requests. Sii's team provided managed services for the Intune and SCCM environments and reduced their maintenance costs with a shared support center for five regions: Latin America, India, Asia, Europe, and South Africa.

Streamlining the email system for all companies in the group

Check out how Sii has improved the security of the global provider of low-carbon and clean energy solutions' communications by unifying its corporate email management system. Migrating Go-Cloud Exchange to Office 365 at eight group companies and decommissioning legacy systems reduced management and licensing fees.

Lower data and infrastructure maintenance costs by migrating to the Azure platform

See how Sii helped Poland's largest electricity supplier reduce costs and increase data security through cloud services. Sii experts performed services to analyze, recommend, plan, and migrate KR Group's ICT resources to the Microsoft Azure cloud, increasing data security and improving teamwork in the organization.

Efficient and secure IT infrastructure for a global leader in the construction industry

Smooth operation of Puma's sales network with L3 support

Streamlining the email system for all companies in the group

Lower data and infrastructure maintenance costs by migrating to the Azure platform

See all case studies

Meet our IT Infrastructure team

Krzysztof Polewiak

Solution Architect

He gained experience with the cloud while working at Microsoft and Millennium Bank, among others. Krzysztof helps clients design and implement public cloud solutions, speaks at industry conferences, and conducts Azure cloud training. He holds several certifications, including Azure Solution Architect Expert, Azure Administrator, Azure Network Engineer, and Azure Security Engineer. Microsoft has honored him with the Azure MVP and Cloud Security MVP awards.

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Andrzej Majewski

Solution Architect

At Sii, Andrzej is responsible for building and managing MEM (Microsoft Endpoint Management) environments, conducting operational activities, and providing direct support for our clients daily. His expertise covers a variety of MDM tools in terms of technical E2E consulting, development, and maintenance services. He enjoys playing basketball, riding a bike, or training at the gym in his free time.

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Jarosław Michalak

Solution Architect

Jarek is an expert in implementing and optimizing DevOps processes based on the most significant public cloud providers – Azure, AWS, and GCP. He gained my experience by preparing and supervising the creation of a DevOps culture for the most important investment banks in the world and by implementing projects for government institutions in several countries in Europe and Asia. His passion is squash, and he practices yoga to calm down.

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Maciej Jędryszek

Architect

At Sii, Maciej is involved in process automation for medium/large migrations (1000+ users), IT operation process automation, and IaaS and PaaS management automation. He specializes in solutions for public clouds and Microsoft technologies in IT Infrastructure. As a hobby, he rides a gravel bike, and thanks to woodworking projects, his house is furnished with hand-made items.

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Get to know our experts

IT Infrastructure NEWS & PROJECTS

Sovereign AI: why Europe wants its own Artificial Intelligence – and what Azure, AWS and Google Cloud offer

Can AI Support Electronics Design? Testing GitHub Copilot and KiCad

Copilot in Microsoft Intune: How AI is transforming the daily work of endpoint administrators

How to build a secure RAG GenAI chatbot on AWS with Amazon Bedrock

The benefits of using Azure for monthly VM and Azure Arc-enabled on-prem server patching

Configuring the Apple Business Manager (ABM) service

Sovereign AI: why Europe wants its own Artificial Intelligence – and what Azure, AWS and Google Cloud offer

Can AI Support Electronics Design? Testing GitHub Copilot and KiCad

Copilot in Microsoft Intune: How AI is transforming the daily work of endpoint administrators

How to build a secure RAG GenAI chatbot on AWS with Amazon Bedrock

The benefits of using Azure for monthly VM and Azure Arc-enabled on-prem server patching

Configuring the Apple Business Manager (ABM) service

MIGRATING TO THE CLOUD

A comprehensive guide for modern companies

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INDUSTRIES WE WORK WITH

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Offices in Poland

Sii Sweden

Sii Ukraine

Sii India

Automating financial analysis with AI

Berlingske Media enters the digital-first era – platform modernization with Sii Poland

Quality Control Center for ABB – gaining control over IT system quality

E-commerce modernization to support growth and smooth shopping experience

Sii Poland is the new IT partner of the FALA project. The company is taking over the maintenance and development of the system

Helping organizations build Sovereign AI: Sii's approach to secure enterprise AI

Why Agentic AI projects fail and how Sii helps companies get them right

Sii Polska helps shape the Resilience 2030 initiative within the Silesia Automotive & Advanced Manufacturing Cluster

From demo to systems you can trust: how real AI works in business

The AI-Powered Ecosystem: Scaling Marketing Analytics

Mobile WMS for Process Manufacturing. Powered by Business Central.

Multi‑Agent AI for Embedded Software Development

Workday HCM – promotions

Sovereign AI: why Europe wants its own Artificial Intelligence – and what Azure, AWS and Google Cloud offer

Undreamed risk management revolt: How Gen AI and Agentic AI are reshaping the effective challenge

What can you be in the ServiceNow world?

IT Infrastructure

Technologies:

Optimized software delivery with AI

Reliable management for self-hosted systems

Efficient and secure endpoints on all platforms

Greater flexibility and control over your applications

Efficient and secure IT infrastructure for a global leader in the construction industry

Smooth operation of Puma's sales network with L3 support

Streamlining the email system for all companies in the group

Lower data and infrastructure maintenance costs by migrating to the Azure platform

Sovereign AI: why Europe wants its own Artificial Intelligence – and what Azure, AWS and Google Cloud offer

Can AI Support Electronics Design? Testing GitHub Copilot and KiCad

Copilot in Microsoft Intune: How AI is transforming the daily work of endpoint administrators

How to build a secure RAG GenAI chatbot on AWS with Amazon Bedrock

The benefits of using Azure for monthly VM and Azure Arc-enabled on-prem server patching

Configuring the Apple Business Manager (ABM) service

Sovereign AI: why Europe wants its own Artificial Intelligence – and what Azure, AWS and Google Cloud offer

Can AI Support Electronics Design? Testing GitHub Copilot and KiCad

Copilot in Microsoft Intune: How AI is transforming the daily work of endpoint administrators

How to build a secure RAG GenAI chatbot on AWS with Amazon Bedrock

The benefits of using Azure for monthly VM and Azure Arc-enabled on-prem server patching

Configuring the Apple Business Manager (ABM) service

MIGRATING TO THE CLOUD

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Jarosław Lakutowicz

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What we do

Industries

Who we are

Job offers

Benefits

Career

Send your CV

Trainings

News

Contact

Einige Inhalte sind nicht in deutscher Sprache verfügbar.
Sie werden zur englischen Version der ausgewählten Seite weitergeleitet.

Einige Inhalte sind nicht in deutscher Sprache verfügbar.
Sie werden auf die deutsche Homepage weitergeleitet.

Ta treść jest dostępna tylko w jednej wersji językowej.
Nastąpi przekierowanie do strony głównej.