ASSYSTEM
Commercial Manager / Quantity Surveyor

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Company Description
Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.
Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.
Job Description
As Assystem's PM&C team is growing and we are seeking a Quantity Surveyor to support the delivery of a major defence project. The successful candidate will provide commercial and contractual expertise across the full project lifecycle, ensuring cost management, risk control, procurement support, and commercial governance on complex construction and engineering programmes.
Working within a multi-disciplinary project team, the postholder will play a key role in maintaining commercial performance, providing accurate forecasting, managing change, and supporting successful project delivery in a highly regulated environment.
Key Responsibilities
- Contract Administration for existing contracts, including performing, issuing or managing
- Provide commercial advice to the Contract Leads
- Ensure that all contract timelines are being met by the project team (management of CEMAR)
- Applications for Payment
- General communications under the contract
- Programme submissions, where required
- Forecast submissions
- Change Management
- Early warnings
- Bid support for new call off contracts
- Cost Control
- Reporting
- Support weekly and monthly progress meetings
- Liaise with the client CEMAR Supervisor
- Liaise with the client on Learning from Experience
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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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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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.
Interfaces
- Interface with Contract Leads, Finance, Cost engineering and project controls functions
- Interface with the client and Project Managers
Qualifications
Qualification, Special Skills or Experience:
- Must have strong NEC contract experience, preferably NEC4 Professional Services
- Proficient in Microsoft Excel to at least intermediate level
- Ideally degreed qualified in Quantity Surveying
- Able to manage and prioritise competing priorities
- Working to high levels of accuracy and contract compliance
- Ideally prior CEMAR experience
- Security Clearance will need to be attained for this role
Additional Information
NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.


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We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future.
NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.
We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future.
ASSYSTEM Job: Project Management
Type of contract ASSYSTEM: Permanent
ASSYSTEM Sector: Defence
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