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Onnec Tech Stack

IT infrastructure design, installation, and data centre operations

IT Services and IT Consulting London, England 501–1,000 employees Privately Held

Onnec delivers physical IT infrastructure services—design, installation, and operational support—across data centres and enterprise environments. The hiring velocity is accelerating with engineering dominating the mix (33 roles), concentrated in senior and mid-level positions, while active projects span hyperscale data centre builds, power system replacements, and large-scale network installations. This staffing shape reflects a services business scaling delivery capacity to handle concurrent, high-complexity engagements.

Tech Stack 33 technologies

Core StackFortinet Cisco VMware Hyper-V Linux ServiceNow Power BI Wireshark Visio HPE Aruba Windows Chrome OS macOS Remedy IT Service Management Word Excel PowerPoint Outlook Fluke iLO iDRAC Microsoft Office Ariba SharePoint HPE Microsoft Project CAD Bluebeam KVM BMS+3 more

What Onnec Is Building

◆Challenges

Maximising efficiency and profitability
Improving delivery experience
Finding and retaining high calibre people
Retaining top talent
Improving operational systems and processes
Energy efficiency savings
Ensuring effective delivery of data centre operations
Power outages
Meeting budgeted financial objectives
Complex cable infrastructure

▲Active Projects

Hyperscale data centre projects
Power outages and replacements
Data centre related service improvement projects
Adds, moves and changes (amc)
Strategic tech projects
Installations and upgrades of network equipment at client sites
Data center modification projects
Cabling projects in commercial buildings & offices
Post-project reviews for large or key projects
Integrated campaign execution

Hiring Activity

Accelerating75 roles · 35 in 30d

Department

Engineering

33

Ops

21

Sales

6

Finance

3

Support

3

Construction

2

Design

2

Logistics

1

Seniority

Senior

26

Mid

24

Manager

14

Junior

5

Director

2

Lead

2

Notable leadership hires: Project Director, Data Centre Tech Lead

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About Onnec

Onnec is a UK-based IT infrastructure services partner serving enterprise and data centre operators. The company handles the full infrastructure lifecycle: design and procurement, on-site installation and upgrades, cabling and power systems management, and ongoing operational support. The tech stack reflects their hands-on focus—network monitoring (Wireshark, Cisco, HPE Aruba), data centre tools (iLO, iDRAC), project and asset management (ServiceNow, Remedy, Microsoft Project), and CAD/visualization (Visio, Bluebeam). Across 501–1,000 employees, they operate in nine countries and are actively hiring to expand delivery capacity.

HeadquartersLondon, England

Company Size501–1,000 employees

Hiring MarketsIreland, Norway, Finland, United Kingdom, Australia, Sweden, Switzerland, Germany

Frequently Asked Questions

What is Onnec's tech stack?

Onnec uses Cisco, HPE Aruba, Fortinet, and VMware for networking and infrastructure, combined with ServiceNow and Remedy for service management, Visio and CAD for design, and monitoring tools like Wireshark and Fluke for diagnostics and troubleshooting.

What projects is Onnec working on?

Active projects include hyperscale data centre builds, power system upgrades and outage management, network equipment installations at client sites, cabling infrastructure work, data centre modifications, and post-project reviews for large engagements.