Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces.
Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected.
About the role
Harmattan AI operates a group of nine entities across France, Switzerland, the US, UK, UAE, and Morocco.
With our ongoing expansion, the Finance Team is handling an increasing number of invoices and expense claims across various entities. To allow permanent staff to focus on controls, intercompany processes, and closing tasks, dependable support is required for recurring P2P and banking activities.
We are seeking an Accounting Assistant Apprentice to provide operational support for the purchase-to-pay (P2P) cycle and bank bookkeeping as we build out our accounting function and implement Odoo. In this role, you will be responsible for recording transactions, preparing documentation, and performing first-level accounting checks.
Responsibilities
Expense Claims: Conduct first-level reviews of expense reports across multiple entities, ensuring supporting documents, VAT, coding, and compliance with the expense policy are in order.
Manual Expense Claims: Process mileage allowances by checking rates, ensuring consistency between trips and supporting documents, and applying caps.
Supplier Invoices: Record invoices in Odoo, ensuring matching with approvals as well as accurate accounting and analytical coding.
Supplier/Bank Details (RIB): Create and verify supplier records and bank details, limited to preparation and document control.
Treasury: Categorise bank transactions in Odoo ; perform bank reconciliations for the French entities.
Candidate Requirements
As a student transitioning from BTS to DCG, you are pursuing a degree (university, business school, or engineering school) with a focus on Finance, Control, Audit, or Accounting.
Experience with Odoo is a plus (internal training provided).
Rigor and adherence to control procedures are essential, especially in a multi-entity environment with a sensitive payment cycle.
Professional proficiency in English is required, including reading, writing, and group communication.
This role is connected to a potential full-time hire.
We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.
Skills Required
- Pursuing a degree focused on Finance, Control, Audit, or Accounting
- Student transitioning from BTS to DCG or equivalent university, business school, or engineering school program
- Professional proficiency in English, including reading, writing, and group communication
- Rigor and adherence to control procedures
- Experience with Odoo
Harmattan AI Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Harmattan AI and has not been reviewed or approved by Harmattan AI.
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Fair & Transparent Compensation — Pay ranges are publicly shown for multiple U.S. roles (e.g., $140k–$200k base) and appear broadly in line with late‑stage startup/defense‑tech expectations based on the postings cited.
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Equity Value & Accessibility — Equity is repeatedly referenced in several job postings as part of total compensation, which can increase upside potential at a recently funded, high‑valuation company.
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Strong & Reliable Incentives — Sign‑on bonuses are explicitly mentioned in a hiring post for candidates who can start quickly, indicating the use of cash incentives in at least some hiring situations.
Harmattan AI Insights
What We Do
Harmattan AI is rising as a next-generation defense prime, building the future of autonomous warfare. We leverage AI-driven autonomy, real-time intelligence, and conflict-ready production to deliver attritable systems and autonomous mission management software. Designed for the real-world needs of warfighters, our solutions enable faster deployment, sharper decision-making, and battlefield dominance.
