Tunnel Engineer

About the role

Be part of this ‘once in a generation’ project that will deliver clean energy to 6 million homes for the next 60 years. Sizewell C will see the creation of a 3.2 Gigawatt nuclear power station on the Suffolk coast to provide reliable load low‑carbon electricity.

The Civil Works Alliance is an extended delivery enterprise involving Sizewell C and three international construction companies:
Balfour Beatty, Bouygues Travaux Publics and Laing O’Rourke. We are more than just an alliance, we are bringing together a single delivery organisation with years of learning and experience from other major complex infrastructure programmes worldwide.

The purpose of the role is to participate to all technical and engineering topics related to the TBM works.

• Temporary tunnel services strategy (pipes, duct, cables, brackets, pedestrian access, conveyor, survey, communication, traffic)
• Power distribution in surface, shafts and tunnels
• Tunnel ventilation
• Water management (supply and recycling)
• Dewatering
• Water treatment
• Compressed air
• Slurry/foam systems
• TBM grout production and testing
• Utility consumption / load assessments
• Coordination with surface infrastructure providers
• Plant integration (gantry cranes, service vehicles, grout plant, conveyors…)
• Preparation of plant and equipment specification
• Prepare production cycles and size the plant and equipment for the required production output
• Preparation of TBM works method statement
• Provides input and supports the procurement team to get into contract with the relevant subcontractors and suppliers
• Participate in the assessment of subcontractors and suppliers offers
• Provides input to the planning team
• Provides input to the cost estimating team

• TBM work experience minimum 5 years
• Should have participated in definition of plant and equipment for a TBM project
• Knowledge of electrical and mechanical systems for a tunnel project

• Knowledge of calculations for sizing metal and concrete structures
• Possess knowledge of lifting and handling operations

Day in, day out, our teams deliver some of the UK’s most ambitious, exciting and meaningful projects; developing, building and maintaining the vital infrastructure that supports national economies and strengthens communities.

As if contributing to and supporting work that makes life better for millions wasn’t rewarding enough, we offer a full range of benefits too. You’ll have the freedom to shape the package that’s right for you and your life. Here are some of our key benefits:

• Smart working, giving you more flexibility such as staggered start and finish times, with up to 40% remote working, where roles allow.
• 25 days paid annual leave (pro rata)
• Family friendly policies which include 28 weeks full pay for maternity/adoption leave and four weeks full pay for paternity/partners leave
• Pension, share incentive plan, volunteering leave, recognition schemes and much more…

Balfour Beatty’s Major Projects business is delivering some of the UK’s most complex and iconic infrastructure projects including HS2, the new high-speed railway and the first nuclear power station in a generation, Hinkley Point

C. Using the latest technology, we’re driving productivity and creating a lasting legacy by delivering sustainable solutions that strengthen communities.

From consultancy and design, to all aspects of construction and maintenance. We have the proven expertise to deliver large-scale projects safely and successfully.

At Balfour Beatty we believe that diversity and inclusion are essential components of any successful, happy workplace. Through our Value Everyone Diversity and Inclusion Strategy and Action Plan, we are growing our diverse workforce and developing our inclusive culture where everyone is able to thrive and reach their full potential, regardless of their identity or background. To find out how we are making this a reality, visit

To help and support us with our desired commitment to create an inclusive culture we are members of WISE, enei, Business Disability Forum and the Association for Black and Minority…