Financial Accountant

Job title: Financial Accountant

Location: London - Hybrid (delete as appropriate) 

Salary: £44,000 - £55,000

Team: Finance Operations

Reporting To: Senior Finance Operations Manager

Closing date for applications: Monday 5th January 2026

This role is based in London, UK and requires existing right to work in the UK

At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.

Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today’s challenges while accelerating the shift to a clean, electrified future.

Our platform orchestrates millions of real-time decisions across homes, devices, markets and grids. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life.

With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen.

At Kaluza we embrace a flexible, hybrid work model that balances autonomy with the power of in-person connection. Many of our teams find value in coming together regularly to collaborate, strengthen relationships, and accelerate progress. We’re focused on shaping thoughtful, team-driven approaches that support both business impact and individual well-being.

What will I be doing?

We are seeking a detail-oriented and proactive Financial Accountant to manage and oversee the financial activities of the group subsidiaries. This is a critical role responsible for ensuring the integrity of our financial records, compliance with all statutory requirements, and providing actionable insights to support business growth and decision-making across the group.

Your key responsibilities will include:

• General Ledger & Records: Maintain accurate and up-to-date financial records, including general ledger management and the preparation of comprehensive balance sheet reconciliations.

• Transaction Processing: Perform manual and automated bank reconciliations, ensuring all transactions are accounted for, and manage accounts payable and accounts receivable, including invoice preparation, review, procurement, and payments.

• Financial Statements: Prepare and review monthly, quarterly, and annual financial statements in accordance with applicable accounting standards.

• Foreign Exchange: Update and monitor foreign exchange rates and manage related accounting entries.

• Audit & Tax Support: Support external audits by providing required documentation and explanations.

• Statutory Compliance: Assist in preparing and filing tax submissions, including VAT/GST returns and RDEC claims, and ensure overall compliance with statutory requirements, corporate policies, and accounting regulations.

• Payroll: Perform monthly payroll reconciliations to ensure accuracy and compliance.

• Budgeting & Forecasting: Assist in budgeting, forecasting, and cash flow monitoring to support financial planning and liquidity management.

• Variance Analysis: Conduct variance analysis, comparing actual results against budgets and forecasts, and provide actionable financial insights to management.

• Process Improvement: Identify opportunities for process improvements and proactively contribute to the enhancement of financial systems and controls across the Finance Operations department.

• Cross-Departmental Collaboration: Collaborate effectively with other departments (e.g., Tech Services, Commercial) to provide financial insights and support business initiatives.

About You 

You are a highly organized, analytical, and commercially aware Financial Accountant capable of managing multiple priorities under pressure. You possess a meticulous attention to detail and are eager to apply your expertise to contribute to the financial accuracy and operational efficiency of a growing technology group.

Ideally you’ll have/be:

• Professional Qualification: Hold a professional accounting qualification (ACCA, CIMA, CPA, or equivalent).

• Proven Experience: Proven experience as a financial accountant or similar role, demonstrating a strong working knowledge of accounting principles, standards, and procedures.

• Financial Acumen: Strong analytical and problem-solving skills, with a track record of conducting effective variance analysis and providing actionable financial insights.

• Technical Proficiency: Proficiency in financial tools, including strong command of Google Sheets/Excel; proficiency in Workday is a plus.

• Execution Excellence: Excellent attention to detail and organizational skills, coupled with the ability to work under pressure and consistently meet tight deadlines.

• Communication: Effective communication and interpersonal skills, capable of working both independently and collaboratively across teams.

What will set you apart 

• Experience gained at a Big Four Accounting Firm.

• Direct experience with the Workday financial management system.

• Experience in a technology, high-growth, or complex multinational group environment

Kaluza Values

Here at Kaluza we have five core values that guide us as a business: 

We’re on a mission, We build together, We’re inclusive, We get it done, We communicate with purpose.

Read more about our values over on our careers site.

From us you’ll get

• Pension Scheme
• Discretionary Bonus Scheme
• Private Medical Insurance + Virtual GP
• Life Assurance
• Access to Furthr - a Climate Action app
• Free Mortgage Advice and Eye Tests
• Perks at Work - access to thousands of retail discounts
• 5% Flex Fund to spend on the benefits you want most
• 26 days holiday

• Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like

• Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family 
• Dedicated personal learning and home office budgets
• And more…

We want the best people

We’re keen to meet people from all walks of life — our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.

We understand some people may not apply for jobs unless they tick every box. But if you're excited about joining us and think you have some of what we're looking for, even if you're not 100% sure, we'd still love to hear from you.

Find out more about working in Kaluza on our careers page and LinkedIn.
You can also find our Applicant Data Protection Policy here.