Tunnel Engineer
CV-LibraryLondonpermanentPosted: 24 July 2026
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Tunnel Engineer 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 Marine and Tunnels Section.
What will you do?
The purpose of the role is to participate to all technical and engineering topics related to the TBM works.
Responsible for developing the technical solutions for:
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
What are we looking for?
Knowledge & Skills
Essential
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
Desirable
Knowledge of calculations for sizing metal and concrete structures
Possess knowledge of lifting and handling operations
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
Tunnel Engineer 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 Marine and Tunnels Section.
What will you do?
The purpose of the role is to participate to all technical and engineering topics related to the TBM works.
Responsible for developing the technical solutions for:
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
What are we looking for?
Knowledge & Skills
Essential
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
Desirable
Knowledge of calculations for sizing metal and concrete structures
Possess knowledge of lifting and handling operations
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