TES Group

TES Group TES are environmental engineering experts specialising in water purification, water recycling, power

Established in 1999, TES have gained an impressive foothold in the water and power markets. Servicing Clients throughout the UK, Ireland, Europe and Internationally, TES have extensive experience in providing tailored design and project management to every contract. Entering the world of water and wastewater treatment designing, fabricating, installing and commissioning complex control systems, TE

S have since built upon the skills and knowledge gained to now offer complete design and build packages, process design, software systems integration and MEICA installation and repair services. Our experience in power, control and automation has also given TES the opportunity to extend our service offering to the building services sector through our range of HV and LV Switchgear. Exceeding industry standards, the TES Switchgear range is built with the same precision and exacting design as our control systems ensuring customers receive exceptional tailored solutions.

20/05/2026

TES Group is growing, and we're looking for the people to grow with us.

We have 20+ roles open right now spanning a wide range of specialist areas across engineering, manufacturing, operations and project delivery.

As we scale to meet increasing demand for modular power infrastructure around the world, we're building a team of experts that will take us there.

Click here to view our open roles in Cookstown and Ballykelly here - https://www.tesgroup.com/careers/

TES is entering a new phase of growth and we're looking for people to join our journey! Following our recent acquisition...
19/05/2026

TES is entering a new phase of growth and we're looking for people to join our journey!

Following our recent acquisition by Legrand, we’re expanding our workforce and operations globally, which includes over 20 new job opportunities available across a range of specialist areas at our Ballykelly manufacturing facility.

As demand for AI-driven data centre infrastructure accelerates worldwide, we’re investing in our people and manufacturing capabilities to support the next generation of critical infrastructure.

At TES, we’re proud to combine global ambition with a people-first culture, building a team that values collaboration and innovation to achieve engineering excellence.

Find out more about our open opportunities in this News Letter article, applications close 22nd May!

https://www.newsletter.co.uk/business/a-landmark-moment-northern-ireland-engineering-specialist-to-expand-workforce-and-international-operations-following-global-acquisition-8552967

WE'RE HIRING: HR ExecutiveLooking for your next HR role? Join TES Power and play a key part in a growing, people-focused...
18/05/2026

WE'RE HIRING: HR Executive

Looking for your next HR role? Join TES Power and play a key part in a growing, people-focused business.

✅ Support core HR operations
✅ Shape culture & HR strategy
✅ Strong benefits + early Friday finish

📍 Ballykelly | 💼 Full-time | 💰 Competitive salary

👉 Apply now:

Apprenticeships are key to delivering the next generation of infrastructure.It’s a critical part of bridging the skills ...
14/05/2026

Apprenticeships are key to delivering the next generation of infrastructure.

It’s a critical part of bridging the skills gap, developing hands-on expertise, and building a sustainable pipeline of talent to meet the demands of AI-driven data centre projects.

We’re hiring Level 2 Engineering Panel Wiring Apprentices to join our team in Ballykelly, working alongside experienced engineers to power data centres and digital infrastructure projects across the UK, Ireland and Europe.

At TES, our apprenticeship programme is designed to support learning and long-term career development, combining hands-on experience with the opportunity to build core engineering skills as part of the team.

If you’re interested in starting a career in engineering, this is a chance to join a supportive, fast-paced and forward-thinking business.

Apply here - https://www.tesgroup.com/careers/

Apprenticeship applications at TES Power are now open! 📣As part of our continued growth strategy, TES Power is opening t...
30/04/2026

Apprenticeship applications at TES Power are now open! 📣

As part of our continued growth strategy, TES Power is opening the door for the next generation to start their careers through a new apprenticeship opportunity in Level 2 Engineering Panel Wiring.

This is a hands-on, earn-while-you-learn programme based at our Ballykelly facility, where you’ll build real skills while working on the power systems behind critical infrastructure.

If you’re interested in how things work, enjoy practical learning, and want to build a long-term career, we’d love to hear from you!

Find out more here - https://www.tesgroup.com/careers/

23/04/2026

Speed, flexibility, and control are critical in today’s data centre builds.

TES Power designs and manufactures bespoke pod and skid configurations, with fully integrated electrical rooms engineered for rapid deployment.

Tested in-house at our Ballykelly facility, each system is fully integrated ahead of delivery, reducing on-site installation time and programme risk.

By taking complexity off-site, we help keep projects moving at pace without compromising on performance.

Find out more here - https://www.tesgroup.com/power/skid-solutions/

Global data centre projects depend on supply chains that can operate across complex regulatory environments.From our fac...
14/04/2026

Global data centre projects depend on supply chains that can operate across complex regulatory environments.

From our facility in Northern Ireland, TES Power exports critical electrical infrastructure to projects across the UK, Europe and international markets.

This unique position allows our teams to operate across both UK and EU trading frameworks, helping clients avoid unnecessary cross-border complexity when delivering large scale data centre developments.

Find out how we can support your next data centre project here - https://www.tesgroup.com

07/04/2026

High-performance switchgear starts with precision assembly.

At TES Power, our in-house manufacturing processes give us full control over switchgear delivery, enabling us to meet the tightest project timescales and keep programmes on track.

This level of oversight ensures consistent quality and dependable performance for mission-critical environments, with our range of switchboards designed and manufactured to exacting UK and EU standards.

Find out more about how we can meet your LV power distribution requirements here - https://www.tesgroup.com/power/switchgear-manufacturer/

The UK alone is projected to need over 50,000 additional workers every year to meet growing demand across critical infra...
25/03/2026

The UK alone is projected to need over 50,000 additional workers every year to meet growing demand across critical infrastructure.

Data centre operators are facing a severe shortage of skilled technicians as they work to keep pace with the scale and speed of the AI boom, driving greater investment in long-term talent pipelines.

At TES Group, we’re closing the skills gap through an extensive apprenticeship pipeline, combining hands-on project experience with sustained development to equip apprentices with the experience needed to grow careers in critical infrastructure.

Our apprentices gain exposure across the full project lifecycle, from manufacturing and installation through to testing and commissioning, building the skills required to power tomorrow’s digital economy.

This International Data Center Day, we recognise the vital role of emerging talent in facilitating the future of critical infrastructure and we're proud to invest in it.

Find out more about our career opportunities at TES Group - https://www.tesgroup.com/careers/

19/03/2026

Power capacity at scale is critical for modern data centres.

We deliver this through technical expertise and precision manufacturing at scale, supporting large, complex data centre projects as demand continues to grow.

With extensive in-house manufacturing capability, our teams design and build LV switchgear and modular electrical rooms across Europe, giving clients the capacity to deliver and expand.

Watch the video for a closer look at how TES Power delivers the capacity behind critical power infrastructure.

Address

Kilcronagh Business Park
Cookstown
BT809HJ

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

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