Defense Systems Business Project Engineer (M/F)

ThalesEssonneEURESpublished 07/30/2026
Must-have:CloudSecurity
Machine translation — original language: French.Show original

Job Description:

Location: Limours, France

Let's build a future of trust together

Thales is a world leader in high technologies specializing in three business sectors: Defense & Security, Aeronautics & Space, and Cyber & Digital. It develops products and solutions that contribute to a safer, more environmentally friendly, and more inclusive world. The Group invests nearly 4.5 billion euros per year in Research & Development, particularly in key innovation areas such as AI, cybersecurity, quantum, cloud technologies, and 6G. Thales has nearly 85,000 employees in 65 countries.

Our commitments, your benefitsSuccess driven by our technological excellence, your experience, and our shared ambitionAn attractive compensation packageContinuous skill development: training courses, academies, and internal communitiesAn inclusive, caring environment that respects employee work-life balance***Recognized societal and environmental commitment

Your daily life

Located 20 minutes from the Paris-Saclay technology hub, the site is one of the largest surface radar centers of excellence. We contribute to developing, designing, integrating, and testing air surveillance radars dedicated to target detection and identification.

Thales LAS France SAS possesses unique expertise allowing us to design and develop systems and equipment ensuring airspace security for our civil and military customers.

Our Surface Radar Domain (SRA) designs, develops, and supplies a range of surface radar products that is the most complete on the market. It meets the surveillance needs of the sky and sensitive areas, in both civil and military fields (coastal surveillance, battlefield, and counter-battery). The position is based in Limours (site 40 min from Paris, 20 min from Massy and accessible via our free shuttle network from Massy, Pont de Sèvres, Vélizy, Versailles, Saint Quentin en Yvelines). Your main missions will be:

Steering Export Project(s) for the supply of Ground Master Radars,

Define and maintain the project execution framework by involving all stakeholders: Project Management Plan and associated documents (WBS, OBS, schedule, budget allocations), industrial scenario, project charter, team charter. Steering the project by mastering contractual requirements, deadlines, and financial aspects while ensuring the quality of deliverables and the overall satisfaction of the Client and stakeholders,

Mastering the Client relationship,

Cooperating effectively with stakeholders (GM product policy, Sales, DGDI),

Internal reporting to Segment management (project reviews),

Functional management of multidisciplinary teams.

Your profile

With higher education (Master's degree/BAC +5) in engineering or business, do you have experience in complex Project Management and cross-functional activity steering, preferably in the Defense field?

Do you have the ability to adapt to a variety of projects (single or multi-radar, with or without local share with KIP, short "operational urgency" schedules, client culture)? Do you have internal and external negotiation skills?

Possessing leadership, are you recognized for your interpersonal skills, tenacity, and analytical sense? Are you proactive and able to influence stakeholders?

Do you master English?

Then this position is made for you, don't hesitate and apply!

Thales, a disability-inclusive company, recognizes all talents. Diversity is our greatest asset. Apply and join us!

As the position may require access to information subject to national defense secrecy, the selected person will undergo a security clearance procedure, in accordance with the provisions of articles R.2311-1 et seq. of the Defense Code and the IGI 1300 SGDSN/PSE of August 09, 2021.