Sii Poland
SII UKRAINE
SII SWEDEN
Sii Poland
SII UKRAINE
SII SWEDEN
We provide critical power infrastructure deployment, white space deployment, structured cabling, rack and stack, testing, Integrated Systems Testing (IST) activities, commissioning readiness and execution support, and IT infrastructure services for hyperscale, colocation, and enterprise data center projects.
Sii specialists deploy mission-critical power infrastructure, including cable containment systems, grounding and bonding, PDUs, power distribution routes, and supporting electrical systems. Work-front planning and installation governance help ensure quality, safety, and readiness for commissioning activities.
We deploy racks and cabinets, install equipment, manage cable dressing and labeling, and complete readiness checks. Coordinating these activities within one delivery team supports faster white space readiness with fewer interface gaps.
Our experts install copper and fiber structured cabling with routing discipline, labeling, test preparation, and installation documentation. Depending on project scope, this can include Cat6/Cat6A and fiber LC/SC/MPO, overhead or underfloor routing, and power/data separation. The result is a traceable, maintainable connectivity infrastructure.
Sii engineers cover rack positioning, equipment mounting, cable management, and IT infrastructure deployment. This accelerates equipment installation and creates clearer handover conditions.
We provide testing and verification activities that can include participation in FAT/SAT, electrical verification, redundancy validation, I/O verification, and Integrated Systems Testing (IST) preparation. Quality gates, defect management, and traceable documentation help ensure operational readiness before handover.
Sii delivers commissioning preparation, issue closure, interface coordination, and post-installation activities. Depending on project scope, this can include functional testing, equipment start-up, BMS/PLC configuration, troubleshooting, and failure simulation. This helps protect commissioning windows and enables smoother go-live.
Daily coordination, progress tracking, interface management, HSE compliance, and risk escalation enhance disciplined execution within mission-critical environments.
We connect the installation scope with IT infrastructure, PLC, software, testing, and cybersecurity capabilities. This can include network and server deployment, BMS/EMS integration and service readiness. Clients gain access to IT infrastructure, network, cybersecurity, automation, and commissioning expertise through a single delivery organization.
Sii combines 200+ engineers with 300+ IT Operations specialists, giving clients scalable access to electrical engineering, automation, IT infrastructure, testing, PLC, software, and cybersecurity expertise within one delivery organization. This breadth makes it possible to adjust team size and bring in additional competencies as project requirements change while keeping delivery coordinated within Sii.
Our integrated delivery model covers deployment, verification, commissioning, and operational readiness, helping clients bring mission-critical infrastructure into service faster. Additionally, it provides clear accountability across electrical and IT scopes and reduces the coordination burden created by multiple subcontractors.
Sii tailors the delivery model to client needs, using Time & Materials, managed team, work package, or hybrid depending on the project scope. Flexible team sizing can be matched to the project phase and workload.
Read our FAQ
Data center installation can cover critical power infrastructure, structured cabling, cable containment, racks and cabinets, PDUs, server and network equipment, grounding and bonding, BMS/EMS components, testing, commissioning preparation, and activities required for operational readiness. Sii uses work-front planning to define scope, dependencies, site access, materials, and sequencing before execution.
Sii uses disciplined routing, labeling, test preparation, and installation documentation to create traceable, maintainable power and connectivity infrastructure. Power/data separation, structured verification, and quality controls help reduce installation issues and support operational readiness before handover.
Yes. Sii’s data center infrastructure deployment services combine critical power infrastructure deployment with IT infrastructure expertise. Depending on project scope, services can include structured cabling, racks and PDUs, network and server deployment, BMS/EMS integration readiness, testing, commissioning activities, IST preparation, and IT infrastructure services.
Sii combines work-front planning, site coordination, quality gates, defect control, commissioning and IST preparation, and delivery governance within one model. These controls help identify installation issues earlier, reduce late-stage rework, and improve go-live readiness in mission-critical environments.
Yes. Sii offers flexible team sizing that can be matched to the project phase, workload, and required competencies. Time & Materials, managed team, work package, and hybrid models allow delivery capacity to scale with hyperscale, colocation, and enterprise data center projects.
Sii can extend the scope with IT infrastructure, PLC, software, testing, commissioning, IST, and cybersecurity capabilities. This gives clients access to broader technical expertise than a classic installation subcontractor.
Sii embeds HSE requirements, work-front planning, installation checks, punch-list control, documentation, and risk escalation into site execution. Assembly teams can include personnel with project-relevant qualifications and training for working at heights, MEWP/scissor lift operation, electrical work (SEP G1), lockout/tagout, manual handling, and other permits required by the client in mission-critical environments.
Yes, when included in the engagement. Through its wider IT Operations capabilities, Sii can provide infrastructure monitoring, management and maintenance, as well as incident and change management after deployment. This helps clients maintain operational stability beyond go-live readiness and transition smoothly into production operations.
Depending on project scope, Sii can provide commissioning preparation, issue resolution, documentation, interface coordination, and Integrated Systems Testing (IST) preparation and participation. These activities contribute to operational readiness before handover.
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