Senior Sales Engineer

Location: Valkenburg

About

The Role  Imagine being the technical force behind some of the most complex defense proposals in Europe. The Senior Sales Engineer is an internal technical lead and expert for proposal development, solution architecture, and bid execution across all Destinus product families (Interceptor programs, RUTA, KRYLA, and future systems). This role provides central support to Heads of Commercial Product, local Business Development teams, and the wider Commercial organisation, ensuring technically sound, compliant, and competitive solutions for government and defence customers.
At  Destinus , we are revolutionizing the defense industry with cutting-edge Unmanned Aerial Vehicles (UAVs). Our innovative technologies are designed to meet the unique demands of modern defense operations, delivering unparalleled speed, precision, and cost effectiveness.  Destinus  partners with government agencies and defense organizations worldwide to provide advanced solutions for mission-critical operations, enabling a new era of efficiency and technological superiority.

Join us in shaping the future of defense with groundbreaking aerospace innovations.
What You’ll Do   Own the technical response strategy and architecture for major RFI/RFP/RFQ submissions across all product lines.
Lead development of technical solution narratives, compliance matrices, technical volumes, and SoW/SoT annexes.
Coordinate inputs from Engineering, Operations, Finance, Program Management, Legal, and Export Control into coherent, compliant proposals.
Support pricing strategy with cost-informed technical trade-offs, clear assumptions, and sensitivity analysis.
Prepare technical briefing materials and position papers for use by BD and Product Heads in customer engagements.
Central tooling and knowledge management   Own and continuously improve the central bid toolchain - ROM pricing models, BoM templates, standard SoW/SoT blocks, service/ILS options, integration reference architectures.
Maintain a central library of validated performance claims and technical evidence (test data, combat data, TRL status) that Product Heads and BD must use in customer engagements and proposals.
Ensure naming, specifications, and technical claims are consistent across all product families and validated with Product and Engineering.
Develop and maintain standard proposal templates, compliance checklists, and bid process playbooks to improve speed and repeatability.
Governance and quality assurance   Chair internal technical bid reviews (gate 0/1/2) for major pursuits to de-risk commitments before submission.
Ensure proposed solutions align with product baselines, TRL status, industrial capacity, export constraints, and delivery timelines.
Validate that technical content matches what Product and Engineering can deliver, preventing over-commitment or under-pricing.
Drive continuous improvement through post-bid reviews and lessons learned across pursuits.
Support to Heads of Commercial Product   Take content from Product Heads (market doctrine, roadmap, TRL, pricing logic, service concepts, integration options) and operationalize it into standard, reusable bid assets.
Build and maintain product-line proposal annexes, performance evidence packs, and standard integration options for each major system and variant.
Support Product Heads in developing ROM pricing ranges, service/ILS packages, and partnership structures for use in early customer shaping and qualification.
Ensure periodic client reports (TRL, certification, performance updates) produced by Product Heads are supported by consistent, bid-ready materials for follow-on proposals.
Cross-functional collaboration   Partner with Engineering and Operations to ensure feasibility and compliance of proposed solutions.
Provide structured market and customer feedback to Product and R&D teams based on tender requirements, competitive gaps, and recurring objections.
Work with Legal and Export Control to ensure all technical content, demonstrations, and data sharing comply with applicable regulations (ITAR, EU dual-use, national restrictions).
Coordinate with Finance on cost baselines, pricing assumptions, and margin guidance for complex…