TOC Technical Assurance Lead - Sizewell C - Suffolk Site based

Balfour Beatty plc; Leiston; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Smart working up to 40% remote

25 days annual leave

Pension

Job summary

Balfour Beatty plc is delivering the Sizewell C project in partnership with international firms to create a 3.2 GW nuclear power station on the Suffolk coast. The TOC team ensures value-for-money, risk management, and robust technical assurance across all work packages within the Civil Works Alliance.

Join a high-profile programme with a focus on safety, quality and complex delivery, backed by a strong benefits package and flexible working options where roles permit.

Responsibilities

• Own and operate the TOC Technical Assurance system within the Civil Works Alliance.
• Coordinate technical assurance across the three TOC phases: Pre-TOC Surveillance, TOC Readiness and TOC Assurance.
• Lead delivery of LoD0 (self‑assurance) principles, overseeing assurance by CWA’s engineers within the delivery teams.
• Support TOC progression, including readiness reviews and final submission.
• Provide structured assurance of technical maturity, completeness, and risk visibility to enable robust TOC outcomes.

Job description

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.

What you'll be doing

The TOC process is the process by which SZC and CWA identify, scope, plan, price and programme packages of work within the broader PAA framework. It includes assurance of all decisions, including the identification of value‑for‑money and of risk. Within the TOC team, the TOC Technical Assurance Manager oversees technical (including design and engineering) aspects of the TOC, including:

Who we're looking for

Own and operate the TOC Technical Assurance system within the Civil Works Alliance.

• Lead delivery of LoD0 (self‑assurance) principles, overseeing assurance by CWA’s engineers within the delivery teams.
• Coordinate technical assurance across the three TOC phases:
  • Pre‑TOC Surveillance: Engage early with design development to de‑risk TOC readiness, coordinate peer reviews, surveillance, and formal design inputs, influence constructability, methods, sequencing, and interfaces.
  • TOC Readiness: Lead technical readiness reviews, assess design maturity, completeness, risks, and gaps, coordinate reviewers, actions, and technical recommendations.
  • TOC Assurance: Coordinate technical assurance through draft and final TOC development, support technical settlement and final certification (LoD0), ensure evidence is complete, proportionate, and aligned to submission needs.
• Support TOC progression, including readiness reviews and final submission.
• Provide structured assurance of technical maturity, completeness, and risk visibility to enable robust TOC outcomes.

Why work for us

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.

Why join us?

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…

About us

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.

Diversity and inclusion

At Balfour Beatty, we want everyone to be able to thrive and achieve their full potential, regardless of their identity or background. We’re making great progress through our Value Everyone DEI Action Plan, but we know we’ve got more to do. Find out more about our values and DEI initiatives.

As a Disability Confident Employer, we ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview.

We are committed to our processes being barrier‑free and will support adjustments at any stage of the recruitment process. Please let the recruiter for this role know if you require any adjustments.

We’re looking to continually improve our recruitment process, so if you have any feedback, please share this with us via [e-mail]