Sales Engineer

APTITUDE EXPERTS

Commercial role developing railway activities in Île-de-France and North regions for Aptitude Experts. Strong understanding of railway solutions and client relationship management are essential.

Posted 7/24/2026full-timeIssy-les-Moulineaux • 🇫🇷 FranceMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in business development and bid engineering within the rail sector, with a strong focus on technical compliance, financial competitiveness, and project margin management. Proficient in managing client relationships, leading multidisciplinary teams, and ensuring adherence to regulatory frameworks and quality standards.

Highest-signal resume keywords

Business DevelopmentBid EngineeringRail Sector ExpertiseProposal DevelopmentRegulatory Compliance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Commercial Proposal DevelopmentCost EstimationKPI TrackingTechnical CompliancePricing and Structuring Offers

Soft Skills

Negotiation SkillsStrong Written CommunicationOrganizational AbilityAnalytical SkillsInterpersonal Skills

Tools & Technologies

CRM SystemsOffice Tools

Certifications & Qualifications

Bachelor’s DegreeMaster’s Degree

Industry Keywords

Rail TransportInfrastructureHSE ComplianceMarket IntelligenceStakeholder Management

About the role

Key responsibilities & impact

Develop the volume placed under existing framework agreements with the company's long-standing clients
Grow the client portfolio: map and manage relationships with project owner stakeholders
Identify, qualify and manage responses to follow-on contracts, in coordination with technical leads
Identify and qualify commercial opportunities in the national rail market in line with the company’s commercial strategy
Lead responses to tenders and consultations: coordinate technical contributions, draft commercial proposals, estimate costs, and develop schedules and contract terms
Prepare technical and commercial proposals in collaboration with engineering, procurement, quality and finance teams to ensure technical compliance, financial competitiveness and project margin
Monitor commercial performance: regular reporting, dashboards, tracking of KPIs (pipeline, conversion rate, margin) and proposal of corrective actions
Represent the company with professional bodies, at trade shows and sector events, and contribute to market intelligence (regulatory changes, new technologies, competitor offerings)
Ensure compliance with quality, safety and environmental requirements in commercial proposals and incorporate HSE and operational constraints specific to rail operations.

Requirements

What you’ll need

Bachelor’s (Bac+3) to Master’s (Bac+5) degree in business, engineering, project management or equivalent
Minimum 5 years in business development or bid engineering, ideally in the rail sector or infrastructure
Strong understanding of the technical and operational aspects of rail (study phases, validation, integration, commissioning) and of regulatory frameworks related to rail transport
Ability to price and structure complex offers, negotiation skills, strong written communication and proficiency with office tools and CRM systems
Commercial mindset, autonomy, analytical skills, organizational ability, aptitude for cross-functional work and strong interpersonal skills to lead multidisciplinary teams
Frequent travel to client sites expected.

Benefits

Comp & perks

Package to be defined (fixed salary, variable compensation, travel-related benefits)