M

Mistral AI

Open-weight LLMs and enterprise AI deployment

Applied AI Engineer - Defense

Full-TimeUpdated on 10/1/2026
No salary listed
Junior, Mid
Master's, PhD
Île-de-France, France
In Person
Canada Citizenship, Canada Top Secret Clearance Required

About the job

Requirements
  • Fluency in English.
  • A PhD or Master's degree in AI, Machine Learning, Computer Science, or a related field.
  • At least 2 years of experience in artificial intelligence or machine learning.
  • A proven track record of leading teams to deliver complex AI projects from prototyping to production.
  • Deep expertise in fine-tuning large language models, advanced retrieval-augmented generation, agentic systems, and deploying natural language processing applications at scale.
  • Proficiency in Python, PyTorch, and modern artificial intelligence frameworks such as LangChain and Hugging Face.
  • Strong software engineering skills in application programming interface design, backend or full-stack development, and system architecture.
  • Ability to communicate technical concepts effectively to technical and non-technical audiences, including executives.
  • Eligibility for the role requires French citizenship.
  • Ability to meet all local requirements for high-level security clearance, including having no criminal record and fulfilling national service obligations.
Responsibilities
  • Individually deploy artificial intelligence solutions into production for use cases with significant operational and strategic impact.
  • Develop state-of-the-art generative artificial intelligence applications tailored to sovereign institutions and critical infrastructure in collaboration with customers.
  • Work with researchers, artificial intelligence engineers, and product teams on complex customer projects involving advanced fine-tuning, large language model applications, and contributions to open-source codebases for inference and fine-tuning.
  • Participate in pre-sales discussions to understand potential clients' needs and provide technical guidance on Mistral's products and technologies.
  • Collaborate with product and science teams to improve offerings based on customer feedback, focusing on security, compliance, and performance.
Desired Qualifications
  • Experience with React or other frontend frameworks.
  • Experience with deep learning in PyTorch.
  • Contributions to open-source projects in the large language model or artificial intelligence space.
  • Experience in customer-facing roles focused on enterprise artificial intelligence adoption.
  • Experience with cloud platforms such as AWS, Google Cloud Platform, or Microsoft Azure and machine learning operations tools.

About the company

Mistral AI develops open-weight large language models, along with inference infrastructure and enterprise tools that let organizations run AI with control over data residency, customization, and the underlying software stack. Its platform supports on-premises or cloud deployment of models, with governance and integration capabilities that avoid vendor lock-in to a single hyperscaler. By offering open model architectures and a modular stack, Mistral differentiates itself from competitors tied to proprietary ecosystems and data‑center limitations. The goal is to enable reliable, scalable AI deployments for public-sector and enterprise customers while expanding research, capacity, and international reach.

Company Size

1,001-5,000

Company Stage

Series D

Total Funding

$7.2B

Headquarters

Paris, France

Founded

2023

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Simplify Jobs

Simplify's Take

What believers are saying

  • September 2026 Series D raised €3 billion at over €21 billion valuation.
  • Munich, Mozilla, and Cloudera partnerships expand distribution across Europe, browsers, and enterprise data.
  • Pimento and Ministral releases broaden Vibe, adtech, and small-model adoption.

What critics are saying

  • September 2026 capital will vanish into GPUs; Mistral's burn remains structurally massive through 2027.
  • Pimento, Koyeb, and Emmi AI acquisitions strain integration and dilute focus on Vibe.
  • If sovereign demand stalls in 2027, Mistral becomes a pricey European lab.

What makes Mistral AI unique

  • Open-weight models let enterprises run Mistral on-premises, preserving data control and residency.
  • Paris-based sovereign stack spans research, inference, and enterprise products, unlike hyperscaler-locked rivals.
  • BMW, MAIF, and Airbus deployments anchor Mistral in regulated, high-value industrial workflows.

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Benefits

Health Insurance

Company Equity

Parental Leave

401(k) Retirement Plan

Paid Vacation

Growth & Insights and Company News

Headcount

6 month growth

↓ -8%

1 year growth

↓ -11%

2 year growth

↓ -11%
dossaro
Sep 29th, 2026
Mistral's Pimento deal swaps 51.7% of the startup into Mistral shares.

Mistral's Pimento deal swaps 51.7% of the startup into Mistral shares. Mistral's Pimento acquisition includes a filed swap of 693,056 shares for 244,786 Mistral shares, while the cash leg and sellers remain unnamed. By Hagen Hoferichter · Published 29 September 2026 at 12:08 CEST Mistral's reported €12.7 million acquisition of Pimento was not simply a cash purchase. The French register evidence describes a two-track operation: unnamed holders contributed 693,056 Pimento shares, about 51.7% of the company's ordinary shares, for 244,786 newly issued Mistral ordinary shares. The report values that contribution at €3,860,321.92, with Mistral shares issued at €15.77 each. The separate cash sale and the identity of the contributing holders remain outside the public filing reviewed for this analysis. That makes the transaction economically different from a clean all-cash exit. A substantial group of Pimento holders is exchanging exposure to a small advertising-software company for exposure to Mistral, while Pimento's 23,804 BSPCE options become void and completion remains conditional. The €12.7m headline contains two different deals. Sifted reported on 22 September that Mistral was buying the Paris-based adtech startup in a cash-and-shares transaction worth €12.7 million. The Next Web's account said Mistral confirmed the acquisition to AFP and described the price as several million euros. It also said Pimento's team would join Mistral's engineering and product teams to work on Vibe, the conversational product formerly known as Le Chat. Later coverage supplied a more specific public version of the cash leg. Konsulteer described €3.6 million in cash for 48% of Pimento, plus 244,786 new Mistral shares for the remainder. TechCentral repeated that structure on 28 September. Those reports explain the market-facing total, but they do not replace the primary stock-leg evidence. The register report shows how one block of Pimento shares is being contributed and how Mistral is issuing its own equity in return. It does not name the cash sellers or put the entire €12.7 million into one settled consideration schedule. | Transaction leg | Evidence | What it means | | Cash sale | €3.6m for 48%, as reported by Konsulteer and TechCentral | Publicly reported cash component, not fully identified in the RNE report | | In-kind contribution | 693,056 Pimento shares | About 51.7% of 1,341,716 ordinary shares | | Mistral consideration | 244,786 new ordinary shares at €15.77 | €3,860,275.22 of issued share value before the waived soulte | | Reported total | €12.7m | Implied public total, not presented here as fully primary settled consideration | The filed stock leg is precise. The decisive document is a commissioner-of-contributions report for Mistral AI, signed on 16 September 2026 and filed two days later. It describes the acquisition of Pimento through a combination of a sale and an in-kind contribution. The apporteurs are referred to as natural or legal persons, but the report reviewed in the sourcing work does not identify them by name. Pimento had 1,341,716 ordinary shares in the capital state described by the report. The contributed block was 693,056 shares. The calculation is: 693,056 / 1,341,716 = 51.66%, rounded to 51.7%. The report values those shares at €3,860,321.92, or about €5.57 per contributed share. Mistral issues 244,786 new ordinary shares at €15.77 each. The issue price is split into €0.01 nominal value and €15.76 premium. The arithmetic is: 244,786 x €15.77 = €3,860,275.22. The €46.70 difference is a small cash soulte that the contributors waive. This is not a generic statement that Pimento shareholders received "Mistral stock"; it is a defined stock-leg exchange with a documented issue price and a narrow adjustment. | Filed stock-leg measure | Amount or count | Reading | | Pimento ordinary shares in the described capital | 1,341,716 | Denominator for the contributed block | | Pimento shares contributed | 693,056 | 51.66%, rounded to 51.7% | | Contribution value | €3,860,321.92 | About €5.57 per contributed share | | New Mistral ordinary shares | 244,786 | Issued to the apporteurs | | Mistral issue price | €15.77 | €0.01 nominal plus €15.76 premium | | Waived cash soulte | €46.70 | Difference between the two stock-leg totals | The exchange price was below Pimento's Seed price. The report compares the €5.57 contribution value with Pimento's March 2023 Seed issue price of €6.76 per share. On a simple nominal comparison, the contribution price is about 17.6% lower: (€6.76 - €5.57) / €6.76 = 17.60%. That comparison is not a liquidation waterfall or a founder-return calculation. It is a price reference in the report. The document says the difference is considered alongside the opportunity for the contributors to subscribe to Mistral shares, and it accepts the value with significant reference to Pimento's software, other intangible assets and human capital. The operating figures explain why this is an absorption story as much as a financial one. The report records Pimento's 2025 unaudited revenue at €734,000, an operating loss of €778,000, a net loss of €648,000, equity of €1.109 million and total assets of €2.531 million. Software is recorded at €658,000 net, and the company has three employees in the figures cited by the brief. The economics therefore do not read like a buyer paying a straightforward multiple for a profitable advertising platform. The value accepted for the contributed block is tied to software, talent and the option to participate in Mistral's much larger equity story. Employee options and the close are still part of the risk. The report says 23,804 Pimento BSPCE options become void as part of the operation. It does not, on the evidence available for this article, identify each option holder's replacement economics or say that the holders receive Mistral shares. That is a material boundary. A company-level share exchange cannot be turned into a founder or employee payout without a holder-level document. The operation is also conditional. The report says it does not involve common control and that completion is subject to the required approvals, with a latest completion date of 15 October 2026. The article therefore describes a planned and conditionally documented transaction, not a completed close. The team move matters to the commercial reading. The Next Web reported that Pimento staff would join Mistral's engineering and product teams to improve Vibe's user experience. But that does not establish that Pimento's customer-facing product is discontinued, that all customers transfer, or that the cash leg is a payment for employees rather than for shares. The commercial consequence is exposure to Mistral, not just liquidity. The unnamed apporteurs are the economic hinge of the structure. They contribute a majority block of Pimento ordinary shares and receive Mistral shares at a fixed issue price. Their payout therefore has a future-value component. The source trail does not allow Dossaro to say which founders, funds or employees are in that group. That uncertainty is more important than the headline total. A €12.7 million all-cash sale would put the central question on the price paid for Pimento. A cash-and-stock acquisition asks a second question: who is willing to keep exposure to Mistral after giving up Pimento shares, and on what terms? The RNE report answers the share count and issue price but not the names. Its earlier analysis of Mistral's Koyeb acquisition shows why acquisition headlines should be separated from the consideration mechanics. The Pimento case is more explicit about the in-kind leg, but the same diligence rule applies: public deal language does not by itself identify the people receiving stock or the rights attached to it. The result is a transaction that combines an acquihire narrative with a rollover mechanism. Mistral is adding Pimento's team and software to its Vibe product path, while at least some Pimento holders exchange their company exposure for Mistral exposure. The cash sellers and the final allocation remain a document question. What would settle the remaining questions. The next useful evidence would be a filed completion or share-transfer instrument that names the apporteurs, the cash-sale filing for the remaining Pimento stake, or a shareholder-level document that explains how the 23,804 BSPCE instruments are treated. A later RNE act could also show whether completion occurred by 15 October and whether the Pimento business remains separately capitalised. Until then, the defensible conclusion is narrow but meaningful: Mistral's Pimento acquisition includes a registered exchange of 693,056 Pimento shares for 244,786 Mistral shares at €15.77 each. The stock leg covers about 51.7% of Pimento's ordinary shares, the options become void, and the cash leg and sellers are not identified in the primary filing reviewed here. The €12.7 million figure remains a reported total, not the complete primary record of settled consideration.

CNBC
Sep 29th, 2026
Mistral CEO: US AI slowdown debate masks 'negligence' in system monitoring

Mistral AI CEO Arthur Mensch addressed AI regulation and safety concerns at the launch of the company's Munich hub. He criticised the US debate around slowing AI development, calling it a cover for "negligence". Mensch emphasised the need for strict monitoring of AI systems to prevent agents from going rogue. His comments come amid ongoing discussions about balancing AI innovation with safety measures. The French AI company is expanding its European presence with the new Munich facility. Mistral has positioned itself as a European alternative in the AI development space, competing with US-based companies in the sector.

Maddyness
Sep 28th, 2026
AI: Mistral opens an office in Munich to accelerate its industrial scale-up.

AI: Mistral opens an office in Munich to accelerate its industrial scale-up. EXCLUSIVE - After Paris and London, Mistral arrives in Munich. The French decacorn already works with several German partners, such as SAP, Siemens Energy, and BMW. Mistral is expanding its network in Europe. Indeed, the decacorn has just opened its German hub in Munich. This office will be dedicated to artificial intelligence research and industrial deployment. Karsten Wildberger, former head of Ceconomy, the electronics retail group (a shareholder in Fnac Darty), who heads the ministry dedicated to digital affairs and the modernization of the state (created in 2025), made the trip for the inauguration ceremony of this Munich hub, held at the Deutsches Museum, one of the largest science and technology museums in the world. By establishing itself in Munich, Mistral says it wants to work closely with key industrial players, like its German partners SAP, Siemens Energy, and BMW. The partnership with the carmaker had been announced with great fanfare last May at Mistral's "AI Now Summit" event in Paris. This collaboration is part of the German manufacturer's "Large Industry Model" (LIM) initiative to fully enter the AI era. As part of this, Mistral AI will support BMW in developing multimodal reasoning models from engineering data for complex use cases, such as crash simulation. "It is from our new hub in Germany that we are building the future" In addition to tending to its relationship with its industrial customers across the Rhine, Mistral intends to rely on this Munich office to make it a major hub for recruitment in research, engineering, and applied AI. To that end, the French company is actively recruiting in the Munich region to develop its capabilities in AI applied to physics and industry. Note that Mistral has also formed a research partnership with the Technical University of Munich (TUM) to use, in particular, TUM's wind tunnels to develop digital twins dedicated to automotive aerodynamics. For Mistral, which also has offices in London, Singapore, and Palo Alto in addition to its Paris headquarters located in the Marcadet-Belvédère building near Montmartre, this Munich hub constitutes another building block in its structuring as a major AI player focused on industrial applications. "It is from our new hub in Germany that we are building the future. The German industrial fabric is the backbone of the European economy. The engineering challenges that will shape the next decade of industrial AI are being met right here: in development workshops, at production sites, and in the research institutes and universities that train Europe's best technical talent," says Arthur Mensch, co-founder and CEO of Mistral. The opening of this Munich office comes a few weeks after a mega funding round of 3 billion euros. It was led by South Korean giant Samsung. ASML and Nvidia also participated in this funding round. This round was followed by the announcement of the acquisition of the startup Pimento to improve Vibe (formerly Le Chat), Mistral's conversational agent. Maddyness AI Don't miss out on tomorrow's economy; receive the Maddyness newsletter every day at 7:30 a.m. Timothée Lacroix, Arthur Mensch, and Guillaume Lample, the founders of Mistral AI. Credit: Mistral AI.

Pfeiffer Digital
Sep 25th, 2026
This week in AI: why Mistral AI for business is a privacy win.

This week in AI: why Mistral AI for business is a privacy win. September 25, 2026 - mistral ai private llm eu ai model Welcome to Today's AI Tech for Your Business. This week, the conversation shifted from "flashy" AI features to "private" AI infrastructure. As an SMB owner, you need tools that respect your data, especially if you handle patient records, legal documents, or sensitive client financials. The highlight of the week was Mistral's release of Pixtral and updated small models, making local, private AI faster and more accessible for non-technical businesses. TL;DR: This week, Mistral released new models that prioritize speed and privacy, giving SMBs a way to process sensitive data without sending it to big-tech servers. For businesses in healthcare, law, or home services, this means you can now automate document reviews and image analysis locally, keeping your data secure while saving 4-10 hours of manual entry per week. The one that matters: Mistral AI for business. Mistral is a French AI company that does things differently than OpenAI or Google. They build "open-weight" models. This is a technical way of saying they give you the blueprints so you can run the AI on your own secure servers instead of theirs. This week, they solidified their position as the go-to choice for Mistral AI for business applications that require strict privacy. If you run a medical clinic, a law firm, or a property management group, you likely have data you aren't comfortable uploading to a public cloud. Mistral's new Pixtral model can "see" images - like a photo of a plumbing leak or a scanned insurance card - and extract the data without that information ever leaving your control. This is a massive win for privacy-sensitive SMB workflows. The cost is the best part. Because these models are efficient, they are significantly cheaper to run than GPT-4. Pfeiffer Digital is seeing businesses move their routine document matching and data extraction to Mistral to cut their monthly API costs while increasing their data security. You get the intelligence of a high-end AI with the privacy of a locked filing cabinet. Also this week. * Google Gemini updated its 1.5 Flash model: The speed increased and the price dropped. For SMBs, this means the "instant" chat responses in your customer service bots just got cheaper to maintain. * Microsoft announced "Correction" for AI hallucinations: This tool checks AI output against your actual company documents. It helps ensure the bot doesn't tell a customer a price that isn't in your official price list. * OpenAI released "Advanced Voice" to more users: This allows for more natural, human-like conversations. While cool, it is currently better for brainstorming than for high-stakes customer support calls. * NotebookLM added audio overviews: You can now turn a folder of PDFs into a podcast-style summary. It is a great way for busy owners to "listen" to a complex vendor contract or a long industry report while driving between job sites. What to do about it this week. * Audit your data sensitivity: Look at where you use AI today. If you are putting patient names or social security numbers into a public tool, stop immediately. * Test a private model: If you use document extraction for matching invoices to purchase orders, ask your developer to test Mistral. A human should always review these before they hit your accounting system, but Mistral can do the heavy lifting privately. * Check your voice bot speed: If you use an AI receptionist, the Gemini 1.5 Flash update might make your bot feel more "human" by reducing the delay between a customer speaking and the bot responding. * Book a free fit call: If you want to know which of these tools actually fits your specific workflow, book a 30-minute fit call with Pfeiffer Digital here. Pfeiffer Digital can discuss if an AI Opportunity Audit is the right next step for your business. What to ignore. * The "AI will replace your whole staff" headlines: This week's updates are about making your current staff faster, not replacing them. We still see the best results when AI recovers 4-10 hours per week for an employee so they can focus on higher-value tasks. * Autonomous AI Agents: There is a lot of hype about bots that can "act" on your behalf without supervision. For SMBs, this is dangerous. Always keep a human in the loop, especially for anything involving money or client communication. By Jonathan Pfeiffer, Founder of Pfeiffer Digital Last updated: 2026-09-25 Pfeiffer Digital helps SMBs build custom AI automations that drive real ROI. Whether you need an AI receptionist or internal tool, Pfeiffer Digital focus on tech that works. Learn more about its audit process to get started. Frequently asked questions. What is Mistral AI and why should a small business care? Mistral AI is a French company that builds high-performance AI models. Unlike some competitors, Mistral allows businesses to run their models "locally" or on private servers. For a small business owner, this means you can use AI to summarize documents or analyze data without your sensitive information being stored on a public cloud. It is a top choice for privacy-sensitive industries like healthcare and law. How does Mistral help with data privacy? Private AI (like Mistral) is essential if you handle HIPAA-protected data, legal documents, or proprietary financial records. Standard AI tools often "learn" from the data you give them. Mistral models, when deployed correctly by a partner like Pfeiffer Digital, ensure your data stays within your control, reducing the risk of data leaks while still providing the speed of automation. What are specific use cases for Mistral in a service business? You can use Mistral to automate back-office document extraction, such as matching a vendor invoice to a purchase order. It can also be used to summarize long client files or power a private customer service bot. Pfeiffer Digital often see these workflows recover 4 to 10 hours per week for office managers by removing the need for manual data entry. Is Mistral AI more expensive than ChatGPT? Mistral models are generally more efficient than larger models like GPT-4. This means they require less computing power and are often cheaper to run per "request." For an SMB, this translates to lower monthly bills for AI tools and faster response times for internal automations. It is a cost-effective way to get high-level intelligence. Do I need a technical background to use Mistral? While you can use Mistral through a simple web interface, the real power for SMBs comes from integrating it into your specific workflows. This usually requires a developer to set up the private environment. At Pfeiffer Digital, Pfeiffer Digital handle this setup for its clients, ensuring the AI is tailored to their specific data and privacy needs.

Global Banking & Finance Review
Sep 24th, 2026
BNP Paribas to keep sensitive data off public cloud despite Google deal.

BNP Paribas to keep sensitive data off public cloud despite Google deal. Posted on September 24, 2026 · Last updated: September 24, 2026 BNP Paribas to retain sensitive data off public cloud despite Google partnership. By Leo Marchandon BNP Paribas' cloud strategy and Google partnership. Overview of the five-year agreement. Sept 24 (Reuters) - BNP Paribas will keep some sensitive customer data and critical operations off public cloud infrastructure even after signing a five-year cloud and AI partnership with Google, the French bank said on Thursday. The agreement gives BNP access to Google public-cloud infrastructure and Gemini models as the bank develops AI agents for internal work including corporate credit memos, sales, trading, research and structuring. Limitations and data security measures. Maintaining on-premise infrastructure. But the deal does not mark a wholesale move, BNP Group Chief Information Officer Marc Camus told reporters in a call. "The fact that we signed this agreement with Google doesn't mean that we will get rid of our on-premise infrastructure," he said. Handling highly confidential data. Medical information held by its insurance operations was an example of highly confidential data for which BNP avoids public-cloud solutions, he said. BNP Paribas' multi-provider approach. Open-Source and local partnerships. BNP plans to keep using open-source models and to maintain its partnership with French AI company Mistral, with the providers used for different applications. Use cases for Google technology. The bank said it sees scope to use Google technology for less sensitive work such as invoice processing and data management. Data ownership and security protocols. Google's commitment to data ownership. Google said BNP would retain ownership of its data, which would not be used to train, tune or refine its models. The bank said Google's AI agents would be authenticated, limited to the resources needed for their tasks, and monitored. Financial details and reporting. Deal value and disclosure. BNP and Google declined to disclose the deal's value. Reporting and editorial credits. (Reporting by Leo Marchandon in Gdansk; Editing by Matt Scuffham) Key takeaways. * BNP's Google cloud and AI partnership does not replace its existing on-premises systems; sensitive data like medical records will remain off public cloud (cib.bnpparibas) * The bank continues multi-cloud and strategic autonomy: it maintains ties with IBM Cloud, Oracle Exadata Cloud@Customer, and Mistral AI for different use-cases (group.bnpparibas) * Google will not train its models using BNP's data; use of AI agents is tightly governed via authentication, resource limits, and monitoring (cib.bnpparibas) References. Frequently asked questions. What is the duration of BNP Paribas' partnership with Google? Will all BNP Paribas data move to Google's cloud? What types of data will BNP Paribas keep off the public cloud? How will BNP Paribas use Google's technology? Will BNP Paribas continue working with other AI providers?