Together we're building a greener tomorrow

Connecting every home and business to a single, secure smart meter network is a huge undertaking. So you can imagine the scale – and variety – and opportunities for the people who'll help us do it.

The role

Closing Date for applications, Monday 25th August 2025.

Principal Design Architect – Shape the UK’s smart energy future

Join DCC’s CTO team and help design the technologies powering Britain’s journey to Net Zero. As Principal Design Architect, you’ll lead the creation of complex, high-impact solutions across our secure, scalable smart metering network—connecting over 100 million devices nationwide.

You’ll set architecture strategy, assure cross-domain solutions, and guide technical direction from concept to delivery. Acting as a trusted advisor to senior stakeholders, you’ll influence roadmaps, champion best practice, and ensure every design meets the highest standards of security, compliance, and performance.

If you bring deep telecoms, integration, and cloud expertise—along with the ability to unite technical vision with business goals—this is your opportunity to shape a critical part of the UK’s energy infrastructure.

Be the architect of change. Join us.

Click apply now to express an interest and view the full job description.

We believe in our purpose. Together, we work as one team, always looking for ways to improve and support DCC’s role in a low-carbon future.

Act with integrity

We treat everyone with kindness, consideration and respect. We keep our promises to our customers. And if something doesn’t feel right, we speak up.

Be accountable

You can depend on our word. We’re clear about our roles and we take the initiative, while respecting the processes we have in place.

Personal Development

Our training and development opportunities help you be your best self – from regular 1-2-1s all the way up to professional qualifications.

Group income protection

Provides a continuous income if you're unable to work due to illness or injury for more than 26 weeks.

Pension Plans

Our Capita Choice partners will match the salary contributions you make to your pension up to 5%, depending on your plan and time with us.

Flexible Holidays

Need more time off? Increase your standard 25 days of leave by buying extra to rest, spend time with family or satisfy your wanderlust.

Cycle to Work Scheme

We’re big on keeping things green. If you want to cycle to work, we'll loan you the gear through salary sacrifice to make it tax-efficient.

As we all transition to a new normal, we can help you find the hybrid working pattern that suits you and your team best.

Step 1

Find and apply for a role

All vacancies are posted on our careers site on a page like this one, where you can apply online. You'll be asked to submit a short application form so we can find out more about you. Due to the high volume of applications, you'll only hear back from us if you've been successful.

Step 2

Chat with a recruiter

Once you pass the initial screening stage, one of our recruiters will be in touch to chat through the role and your experience. If all goes well, your application will be passed on to the hiring manager, who'll put together a shortlist for interview.

Step 3

Come for an interview

For most roles there'll be a two-stage interview process, which will include questions about your CV, competency and technical skills. For more senior positions there could be an additional interview stage. You may also be asked to give a presentation or complete a technical test, but we'll let you know in advance so you have plenty of time to prepare.

Step 4

Receive an offer

Once the interview process has been completed the successful candidate will receive an offer. Throughout the interview process the recruiter and hiring manager are happy to answer any questions you have. We want to make sure you have all the information you need to decide whether DCC and the role are right for you.

Apply

Location

Location:London

Does this sound like the role for you? If so click and apply then fill in your details to begin your application.