a Technical Sales Representative

NEREUS; Le Pouget; On-site; EUR 45,000 - 60,000; Full time

Job summary

NEREUS designs and integrates water treatment and recycling solutions for industrial customers in France. We are seeking a Technical Sales Representative who combines technical know-how with business development to support projects from needs assessment to contract signature.

You will develop a portfolio of industrial clients, analyze their water challenges, and work with our process engineering and R&D teams to propose cost-effective solutions.

Qualifications

• Engineering degree or Master’s in process/chem/env/water.
• Strong commercial mindset and hands-on field experience.
• Fluency in French and English; driving licence required.

Responsibilities

• Develop a portfolio of industrial accounts and support water projects from needs to contract.
• Analyze customers' processes and water challenges to propose technical and economic solutions.
• Prepare technical and commercial presentations and responses to tenders.
• Negotiate terms ensuring profitability and support customers to order signature.
• Maintain regular communication and coordinate with internal teams.

Skills

Strong commercial mindset

Field activities

Technical curiosity

Analytical skills

Independent worker

Organizational skills

Entrepreneurial mindset

French & English bilingual

Driving licence

Education

Engineering degree or Master’s in process/chem/env/water

Job description

Permanent position starting in November 2026

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NEREUS designs and integrates water treatment, recycling and reuse solutions for industrial companies and environmental sector stakeholders.
As a specialist in membrane processes, NEREUS develops innovative solutions including dynamic ceramic membrane filtration, ultrafiltration, nanofiltration and reverse osmosis technologies.

Our approach is based on comprehensive support throughout the entire development process: Laboratory → Pilot testing → Fully integrated solution.

Driven by strong growth, NEREUS is expanding its offering to support customers across the entire water cycle. We are developing new services focused on:

auditing and diagnosing water treatment facilities and water usage;

identifying opportunities to optimize water consumption and process performance;

improving and optimizing existing treatment units;

carrying out targeted technical works and interventions;

implementing global solutions for more sustainable and efficient water resource management.

Our ambition: to become a trusted global partner for industrial companies, helping them control, optimize and enhance every stage of the water cycle.

As part of our growth in France and internationally, we are looking for a Technical Sales Representative who can combine technical expertise, business development skills and industrial project support.

Your responsibilities:

Reporting to the Sales Director, you will develop a portfolio of mainly industrial customers and support their water treatment and recycling projects, from identifying their needs through to contract signature.

You will be expected to understand our customers’ industrial processes, analyze their water and wastewater challenges and work closely with our teams to build the most relevant technical and economic solutions.

Business development and sales prospecting

You will contribute to the growth of NEREUS’ customer portfolio by:

• Prospecting and acquiring new industrial accounts;
• Identifying new business opportunities with industrial companies, engineering firms, integrators and partners in the water sector;
• Building strong relationships with industrial customers, engineering firms, integrators, operators and technology partners;
• Qualifying opportunities: customer needs, flow rates, expected performance, budget, timeline and decision-making process;
• Participating in customer meetings and site visits to understand their technical challenges;
• Representing NEREUS at trade shows, conferences and industry events.

Technical analysis of opportunities, proposal preparation and contract closing

You will be involved from the early stages of projects to qualify customer requirements:

• Reviewing specifications and customer input data;
• Carrying out initial technical and economic assessments of projects;
• Identifying suitable technical solutions with the support of process engineering and R&D teams;
• Contributing to the preparation of responses to tenders and private consultations;
• Preparing technical and commercial presentations and arguments;
• Contributing to the cost estimation of proposed solutions;
• Acting as the link with NEREUS project teams;
• Presenting and explaining results to customers;
• Negotiating commercial and contractual terms while ensuring profitability objectives are met;
• Supporting customers through to order signature.

Customer interface and project support

You will be the key customer contact during the early project phases:

• Ensuring clear project handovers to technical and operational teams and participating in kick-off meetings and key project milestones;
• Maintaining regular communication with customers throughout project execution;
• Identifying additional opportunities: maintenance, operation, optimization, extensions or project financing;
• Acting as the link between customers, partner engineering firms and internal teams;
• Contributing to feedback and lessons learned to continuously improve our solutions.

Your experience and skills

• With an engineering degree or a Master’s degree (equivalent to a five-year higher education qualification) in process engineering, chemistry, environmental engineering or water treatment, you are looking to apply your technical skills to industrial projects with a positive environmental impact, in a role combining expertise, consulting and business development. This position is open to entry-level candidates.
• Strong commercial mindset and a hands-on approach to field activities
• Technical curiosity and analytical skills
• Ability to work independently, strong organizational skills and an entrepreneurial mindset
• Ability to thrive in an innovative and fast-growing environment
• Strong written and verbal communication skills in both French and English
• A valid driving licence is required for this position, which involves regular travel

As part of our commitment to inclusive employment, NEREUS welcomes applications from candidates with disabilities and ensures equal consideration based on skills and qualifications.

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