Senior Materials Technician

Help Shape the UK’s Energy Future

Senior Materials Technician Opportunity with the Civil Works Alliance (CWA), Supporting Sizewell C

As part of the CWA (Civil Works Alliance), you will support the building of Sizewell C. Sizewell C will be a 3.2-gigawatt power station generating low-carbon electricity for around 6 million homes and will play a key role in our energy future, supplying reliable, clean electricity for at least 60 years. This role will be within the Enabling and Earthwork Section.

What will you do?

Are you an experienced Materials Technician looking to take the next step in your career? Do you thrive in a fast-paced construction environment where quality, safety, and technical excellence are at the heart of everything you do?

We're looking for a Senior Materials Technician to join the Civil Works Alliance team delivering the Sizewell C project. This is a unique opportunity to play a leading role in materials testing and quality assurance on one of Europe's most ambitious infrastructure programmes.

The Role

As Senior Materials Technician, you'll support the delivery of major earthworks and enabling works by leading construction materials testing activities across the project. Working within a UKAS-accredited laboratory environment, you'll help ensure that concrete, aggregates, earthworks materials and grout meet the highest quality standards required for nuclear new-build construction.

You will also support laboratory operations, coordinate testing programmes, mentor junior team members, and provide critical technical data that helps keep the project moving safely and efficiently.

The role includes:

Leading and undertaking laboratory and site-based materials testing

Managing testing resources and daily laboratory activities

Ensuring compliance with ISO 17025 and UKAS accreditation requirements

Producing accurate reports and material compliance summaries

Coordinating external laboratory testing and reviewing results

Supporting audits and driving continuous improvement initiatives

Maintaining calibration schedules and testing equipment

Training and developing technicians and junior team members

Supporting large-scale earthworks trials and ongoing quality testing programmes

Promoting a strong culture of safety, quality and collaboration

What are we looking for?

Essential

Experience operating within a UKAS-accredited laboratory

Strong understanding of ISO 17025 requirements

Previous experience training, mentoring or supervising others

Excellent communication and data reporting skills

NVQ Level 3 (or equivalent industry experience)

Full UK Driving Licence

Desirable

Experience with construction materials including concrete, aggregates, earthworks, grout or asphalt

SMSTS or SSSTS certification

Experience undertaking audits and quality management activities

Budget management experience

Professional institute membership

Experience producing KPIs and technical reports

What we will offer you?

The CWA is a single delivery organisation made of up of the client (Sizewell C) and three parent companies - Balfour Beatty, Bouygues and Laing O'Rourke - which offer industry leading packages including market leading salaries, generous annual leave entitlements, pension scheme and other flexible benefits.

About Us

The CWA celebrates the creativity and innovation that comes from a diverse workforce, and we welcome applications from people of all backgrounds — especially those from under‑represented communities. Our project is built on five core values: Humility, Positivity, Respect, Solidarity, and Clarity.

By joining us, you’ll be encouraged to bring your whole self to work, speak up, and share your ideas. We encourage applications from all suitably qualified candidates, regardless of gender, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.

We are committed to protecting your privacy. If you decide to apply, please avoid including sensitive personal data in your CV