Ingénieur d'Affaires

Ingénieur d'Affaires / Business Manager - Data Centres & Energy (French & English)

Join a growing Paris-based team operating at the forefront of the Energy, Power and Data Centre sectors. This is a true 360 opportunity for an ambitious and commercially minded professional looking to combine business development, client management and recruitment delivery within some of Europe's fastest-growing markets. We welcome applications from both individuals with existing experience in recruitment, sales, consulting or engineering-related sectors, as well as recent graduates looking to launch a career in business development and consulting. Through structured training, mentoring and ongoing development, we provide the support needed to build a successful long-term career in this industry.

What You'll Be Doing

• Business Development: Develop new business opportunities across the Energy, Power and Data Centre sectors through proactive market engagement and strategic sales activity.
• Client Relationship Management: Build and maintain strong relationships with engineering, technical and commercial stakeholders across client organisations.
• Market Mapping: Identify target organisations, key decision-makers and emerging opportunities through networking, research and industry engagement.
• Talent Acquisition: Source, engage and manage engineering professionals across both permanent and contract markets.
• Recruitment Delivery: Manage the full recruitment lifecycle, from initial qualification through to offer management and successful placement.
• Account Growth: Develop existing client accounts while identifying additional opportunities to expand service offerings and increase revenue.
• Market Expertise: Establish yourself as a trusted advisor within your specialist market, providing insight and value to both clients and candidates.
• Performance Delivery: Achieve and exceed individual revenue, business development and placement targets.

Why NES Fircroft / Why Halian

• Career Progression: Benefit from a clearly defined pathway into senior and leadership positions as the business continues to grow.
• High-Growth Markets: Specialise within the rapidly expanding Data Centre, Energy and Power Infrastructure sectors.
• Earning Potential: Enjoy a competitive salary package with an uncapped commission structure that rewards success.
• Training & Development: Receive structured training, mentoring and ongoing professional development support designed for both experienced professionals and graduate entrants.
• Autonomy: Build and develop your own client portfolio while contributing to a collaborative, high-performance team environment.
• Hybrid Working: Enjoy a flexible working model with a blend of office-based collaboration and remote working.

What We're Looking For

• Educational Background: Degree qualified in Engineering, Business Engineering, Technico-Commercial studies or a related discipline.
• Experience Level: Open to both experienced professionals with a background in recruitment, sales, consulting, engineering projects or business development, and recent graduates seeking to build a commercial career within a specialist market.
• Commercial Mindset: Demonstrated interest in sales, business development, consulting or relationship management.
• Sector Interest: Strong enthusiasm for Energy, Infrastructure, Renewables, Power or Data Centre markets.
• Resilience: Self-motivated, ambitious and comfortable engaging in new business activity, including cold calling and outreach.
• Language Skills: Fluent French and English communication skills, both written and verbal.
• Location: Based in Paris or able to commute to the office three days per week

Who Are We?

• Global Expertise: NES Fircroft is a leading global workforce solutions provider supporting clients across engineering, energy, life sciences and technology sectors.
• Industry Focus: We connect special