Hays
Assistant Commercial Manager - Civils

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Your new company
You will be joining a global civil engineering consultancy supporting the delivery of one of the UK's most significant major infrastructure programmes, Sizewell C. Operating within a highly integrated project environment, this organisation brings together industry-leading professionals from project controls, commercial, finance and delivery disciplines. With a strong focus on robust governance, innovation and continuous improvement, this programme offers the opportunity to work at scale, influence outcomes and build a career on a landmark project. As part of their continued growth, they are actively seeking an Assistant Commercial Manager to join their team.
This is a full-time permanent position based on site at Sizewell C (2/3 days per week) with remote working.
Your new role
As an Assistant Commercial Manager, you will work within a dedicated and dynamic cost team, supporting commercial delivery on a major infrastructure programme. This is a highly client-facing role, ideal for a commercially astute professional who thrives in a fast-paced project environment and is eager to develop their technical capability and leadership skills.
Your responsibilities will include:
- Supporting contract management activities, including drafting correspondence, payment notices, change evaluation and dispute avoidance
- Assisting with cost management, including CBS/WBS maintenance, forecasting, accruals, earned value inputs and contractor claim assessment
- Providing estimating and cost planning support, including measurement, value engineering and benchmarking
- Contributing to planning, reporting and governance, including KPI reporting and commercial performance metrics
- Supporting procurement and tendering activities from strategy through to contract award
- Assisting with commercial risk management, including risk identification, quantification and mitigation.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
This role offers excellent exposure across the full commercial lifecycle, supporting long-term career development.
What you'll need to succeed
In order to be successful, you will bring:
- Degree/HNC/HND in Quantity Surveying (or similar) or experience equivalent and membership of a relevant professional body
- Proven experience utilising NEC3 and/or NEC4 form of contract within civil engineering with either a contractor or consultancy
- Strong analytical skills, attention to detail and problem-solving ability
- Ability to work on your own initiative and as part of a wider project team
- Full UK driving licence.
What you'll get in return
In return, you will receive:


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- Starting salary up to £55,000 per annum
- 27 days' annual leave plus bank holidays and the period between Christmas and New Year
- Company pension scheme
- Life assurance
- Private medical insurance
- Family-friendly benefits
- Flexible working
- Funded professional memberships
- Mental health and wellbeing benefits
- Fully covered accommodation and business mileage
- Supportive and collaborative work environment
- Long-term career progression with a well-established and industry-leading civil engineering consultancy
- Opportunity to contribute to one of the UK's largest megaprojects and a cornerstone of Britain's Net Zero ambitions and more.
What you need to do now
If you're interested in this role and meet the criteria above, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
Please note: VISA sponsorship is not available with this position.
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