IDEX

About the Company

Fondé en France en 1963, le groupe IDEX, fort de près de 6 300 collaborateurs, développe, conçoit, finance, construit et exploite des infrastructures énergétiques locales et décarbonées de fourniture de chaleur et d’électricité pour les bâtiments, les villes & l’industrie. Avec un chiffre d’affaires de 2,16 milliards d’euros en 2024, IDEX est aujourd’hui le seul opérateur du marché verticalement intégré sur l’ensemble de la chaîne de valeur des énergies locales. Il intervient de la production d’énergie thermique ou électrique à partir de ressources énergétiques locales et décarbonées (déchets, biomasse, géothermie, solaire), en passant par la distribution de cette énergie à travers les réseaux de chaleur et de froid jusqu'à l’optimisation de son usage final au sein des bâtiments industriels, résidentiels et tertiaires. Founded in France in 1963, Idex develops, designs, finances, builds and operates local energy and carbon-free infrastructures, which provide renewable heat and local electricity supply to buildings, cities & industry. Idex is currently the only vertically integrated market operator delivering the complete value chain for local energy provision. The Group is involved in the production of thermal or electrical energy from local and low-carbon energy resources (geothermal, solar, biomass, waste), the distribution of this energy through district heating and cooling networks, to its final use in industrial, residential and tertiary buildings and other applications. Idex sur YouTube : https://www.youtube.com/channel/UCgL2WezU0hss9O3vr9ryRsA

Listed Jobs

Company Name

IDEX

Job Title

Ingénieur Commercial F/H

Job Description

**Job Title:** Commercial Engineer (Sales Engineer) – Business Development **Role Summary:** Drive commercial growth for the Tertiary & Industry division of a leading French energy‑services group. Manage an assigned client portfolio, renegotiate and enhance existing contracts, generate new business opportunities, and ensure high client satisfaction through innovative energy solutions. **Expectations:** - Achieve revenue targets for a €20 M agency. - Maintain and expand a high‑quality client network in health, research, tertiary and data‑center sectors. - Deliver accurate cost estimates and winning proposals. - Provide reliable activity reporting and collaborate effectively with internal teams. **Key Responsibilities:** - Manage and develop an assigned client portfolio, renegotiating contracts and ensuring client satisfaction. - Identify and pursue new prospects through networking within the IDEX ecosystem. - Prepare technical studies, tender documents, and cost estimates; negotiate service offers. - Participate in project presentations, operational meetings, and complex deal teams. - Collaborate closely with the Commercial Management of the Tertiary & Industry pole. - Record all activities in Salesforce and produce regular sales reports. - Lead contract review sessions to ensure smooth handover to agency operations. **Required Skills:** - Strong relationship‑building and networking capabilities. - Persuasive communication and negotiation skills. - Result‑oriented mindset with high customer‑service focus. - Ability to work independently and within multidisciplinary teams. - Proficiency in contract costing, tendering processes, and energy‑market dynamics (preferred). - Excellent organizational and reporting skills; experience with Salesforce or similar CRM tools. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Engineering, Business, Energy Management, or a related field. - Minimum 4 years of experience in a similar commercial/technical sales role (including internships or apprenticeships). - Relevant certifications in project management or energy sector (optional but advantageous).

Lieusaint, France

Hybrid

21-09-2025

Company Name

IDEX

Job Title

Plombier F/H

Job Description

**Job Title:** Plumber (M/F) **Role Summary:** Perform operation, troubleshooting, and optimization of CVC (heating, ventilation, and cooling) plumbing installations for a hospital client. Ensure reliable service, compliance with safety procedures, and contribute to the company's decarbonisation objectives. **Expectations:** - Minimum 2 years of professional experience in plumbing, energy systems, or related fields. - Proven ability to diagnose faults, execute repairs, and propose improvements. - Commitment to safety standards and company procedures. **Key Responsibilities:** - Maintain plumbing installations and distribution networks. - Inspect, service, and verify sanitary equipment. - Diagnose breakdowns, perform repairs, and ensure system functionality. - Follow all corporate safety and operational protocols. **Required Skills:** - Strong knowledge of plumbing and sanitary system installation and maintenance. - Ability to troubleshoot and resolve technical issues efficiently. - Proactive approach to system optimization and client service. - Basic understanding of electrical safety; hold relevant electrical authorizations. - Team‑oriented with good communication skills. **Required Education & Certifications:** - Diploma or equivalent qualification in plumbing, sanitary installations, or related discipline. - Electrical habilitations: BR, B1V, B2V, and BC.

Colombes, France

On site

19-10-2025