ERP Architect (Odoo)

Harmattan AI; Paris; On-site; EUR 90,000 - 130,000; Full time

Job summary

Harmattan AI is seeking an ERP Architect to own the Odoo-based ERP across purchasing, inventory, manufacturing, quality, and accounting. You will lead architecture, roadmaps, and oversee external partners from day one as production scales, while hands-on on data, configuration, and code.

You will collaborate with manufacturing, supply chain and finance teams, driving integration with PLM, CRM, and finance flows, and extending Odoo accounting to all entities.

Qualifications

• 6+ years of ERP experience; Odoo experience is a strong plus.
• Track record of owning an ERP end to end in an industrial company, or of leading Odoo projects at an integrator.
• Solid manufacturing and supply chain knowledge: MRP, BOMs, routings, quality and inventory.
• Ability to configure, fix and build yourself, from Odoo setup and data to code in Python.
• Strong technical leader and pragmatic owner, experienced in managing partners and teams and in making clear trade-offs.
• Understanding of what AI makes possible, and strong motivation to upgrade ERPs with it.
• Engineering degree appreciated, though proven professional experience matters more.
• Fluency in English required; French is a plus.

Responsibilities

• Define and own the target ERP architecture, module scope, customization rules and upgrade path.
• Build and maintain the ERP roadmap, prioritizing initiatives with operations leads and leadership.
• Deploy manufacturing and MES capabilities on Odoo, covering manufacturing orders, shop floor, quality and production ramp-up.
• Own ERP master data quality across items, BOMs and suppliers.
• Integrate Odoo with PLM, CRM and finance flows so items, BOMs and sales orders move reliably.
• Extend Odoo accounting to every legal entity, in close collaboration with the finance team.
• Run the Odoo integrator and freelance developers: write specs, steer sprints, accept deliveries and keep spend under control.
• Stay hands-on in Odoo configuration, data fixes and code, while ensuring performance and reliability as usage grows.

Skills

ERP architecture

Python development

Manufacturing knowledge

Team leadership

English fluency

Education

Engineering degree appreciated

Tools

Odoo

PLM integration

CRM/Finance data flow

Python scripting

Job description

About Us

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

As ERP Architect, you are the internal authority on Odoo, the system that runs Harmattan AI's industrial operations, from purchasing and inventory to manufacturing, quality and accounting. You own the architecture, the roadmap and the technical leadership of the ERP, managing external partners and teams from day one, so the system keeps pace as production scales. You work hands-on every day, from the shop floor to the data model, alongside manufacturing, supply chain and finance teams within Corporate Tooling.

Responsibilities

• Define and own the target ERP architecture, module scope, customization rules and upgrade path.

• Build and maintain the ERP roadmap, prioritizing initiatives with operations leads and leadership.

• Deploy manufacturing and MES capabilities on Odoo, covering manufacturing orders, shop floor, quality and production ramp-up.

• Own ERP master data quality across items, BOMs and suppliers.

• Integrate Odoo with PLM, CRM and finance flows so items, BOMs and sales orders move reliably.

• Extend Odoo accounting to every legal entity, in close collaboration with the finance team.

• Run the Odoo integrator and freelance developers: write specs, steer sprints, accept deliveries and keep spend under control.

• Stay hands-on in Odoo configuration, data fixes and code, while ensuring performance and reliability as usage grows.

Candidate Requirements

• 6+ years of experience in ERP; Odoo experience is a strong plus.

• Track record of owning an ERP end to end in an industrial company, or of leading Odoo projects at an integrator.

• Solid manufacturing and supply chain knowledge: MRP, BOMs, routings, quality and inventory.

• Ability to configure, fix and build yourself, from Odoo setup and data to code in Python.

• Strong technical leader and pragmatic owner, experienced in managing partners and teams and in making clear trade-offs.

• Understanding of what AI makes possible, and strong motivation to upgrade ERPs with it.

• Engineering degree appreciated, though proven professional experience matters more.

• Fluency in English required; French is a plus.

We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.