⚡️💡 About Assystem
Assystem is an international engineering group, driving the global shift to low-carbon energy. With over 7,750 employees—known as Switchers—across 12 countries, we support the design, construction, and operation of complex infrastructure. Drawing on 55+ years of expertise in regulated industries, we specialise in delivering engineering, project management, and digital services for critical energy missions. In the UK, we play a key role in nuclear and energy transition programmes that shape a sustainable future.
🤝 Why Join the Community of Switchers?
Join one of the top three independent nuclear engineering companies globally and work on landmark energy transition programmes. At Assystem, you’ll collaborate with experts across disciplines and make an impact on the world’s clean energy future. You’ll also be part of a forward-thinking culture that values innovation, safety, and career progression within a growing organisation.
🔍The Job Mission
As Assistant Management Accountant, you will support the Treasury Manager and Senior Financial Controller in taking primary responsibility for managing the receivables financing facility, ensuring smooth operation and accurate reporting, while also supporting the wider finance team with management accounting and general accounting duties. You will act as a key contributor in ensuring financial accuracy, compliance, and insightful analysis for effective decision-making.
💼 Key Responsibilities
- Act as the primary contact for the company’s receivables financing facility.
- Prepare and submit regular funding requests, reconciliations, and reports to the finance provider.
- Monitor facility limits, cash availability, and compliance with funding covenants.
- Reconcile sales ledger balances with facility reports to ensure accuracy and completeness.
- Investigate and resolve any discrepancies or queries raised by the finance provider.
- Maintain detailed records of drawdowns, repayments, and interest calculations.
- Support month-end and year-end processes related to the facility.
- Assist in the preparation and analysis of financial reports, including balance sheets, profit and loss statements, and forecasts.
- Assist in preparation of monthly management accounts, ensuring accuracy in reconciliations and journal entries.
- Assist with accounts payable and receivable functions when required.
- Support internal and external audit requirements by providing documentation and explanations.
- Support group consolidation processes using Opera, including intercompany reconciliations and reporting.
- Adhere to and maintain robust systems for financial data archiving and reporting for audits.
- Support ad-hoc finance initiatives provide cover for wider finance team during holidays or absences.
✅ Essential Skills
- AAT qualified or studying towards ACCA/CIMA qualification (or equivalent) is desirable.
- Prior experience in a finance or accounting role, ideally within treasury management.
- Experience in reconciling financial data and managing accounting processes.
- Strong proficiency in Excel (including advanced functions like pivot tables, VLOOKUP, etc.).
- Strong attention to detail with the ability to identify issues and suggest solutions.
🚀 Desired Skills
- Proactive, with a keen interest in improving processes and learning new skills.
- Strong problem-solving skills and a solutions-oriented mindset.
- Reliable, with a high degree of professionalism and integrity.
- Ability to work under pressure and handle tight deadlines.
- Excellent communication skills for engaging with stakeholders and resolving financial queries.
Due to the nature of work to be undertaken, applicants will be required to meet certain residency criteria to attain a minimum level of UK security clearance.
🌟 Your Benefits Package
🏠 Hybrid Working – Flexibility to work from home and the office
🏖️ 25 Days Annual Leave + Bank Holidays
🔄 Buy & Sell Holiday – Make your time off work for you
💰 8% Company Pension Contributions
🛡️ Income Protection & 3x Salary Death-in-Service Cover
🤒 Competitive Sick Pay – Support when you need it
🏥 Healthcare Cash Plan – Claim back on dental, optical & more
💪 Free Digital Gym Access – Expert-led fitness classes
🎁 Exclusive Discounts – Restaurants, days out & top brands
📞 24/7 Employee Support Line – Mental health, financial & legal help
🚴 Cycle to Work Scheme – Save money & go green
💉 Free Flu Jabs & Eye Test Vouchers
🧾 Paid Professional Membership Fees
❤️ Volunteer Days – Make a difference on company time
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.
Top Skills
What We Do
Assystem, one of the world's leading independent nuclear engineering companies, is committed to accelerating the energy transition. We see ourselves as an activist in the development of nuclear energy, convinced that it is an essential part of the fight against climate change. 7,000 switchers, spread in 12 countries in Europe, Asia, Africa and the Middle East are working every day to make the energy switch by accelerating the development of nuclear and renewable energies, power grids, clean hydrogen projects and low-carbon transport. We design and supervise major projects through our engineering activities and accelerate our customers' digital transformation. We also develop new solutions to build faster and improve the performance of complex infrastructures. 55 years of experience have made Assystem a key partner of the world's largest industrial groups: CEA, EDF, ENEC, Enedis, Engie, Framatome, ITER, K.A. CARE, Naval Group, NICDC, Orano, RATP, Rolls Royce, Royal Commission, Sellafield, SGP, SNCF... Assystem is ranked in the Top 3 companies in the nuclear energy sector.
