Electronics​/Avionics Engineer

Position: Electronics / Avionics Engineer
Location: Sassenheim

Your mission
As the Electronics / Avionics Engineer at cosine you play a key role in shaping the electronic backbone of high-performance optical payloads that operate at the frontier of space. You help define and realise robust avionics architectures that enable Earth observation, environmental monitoring, defence‑related remote sensing and planetary science missions. From concept to procurement and integration, your work ensures that every electronic subsystem performs reliably in the most demanding space environments.

You translate complex system needs into practical, buildable and procurable solutions that directly contribute to mission success and high‑impact decision‑making from orbit.

Tasks & Responsibilities
In this role you will:

Define and support the electronics and avionics architecture of optical payloads and translate system requirements into robust electronic concepts, interfaces and specifications

Drive procurement activities for electronic subsystems, including supplier selection, technical alignment, quotations and make‑or‑buy decisions

Act as the technical interface with suppliers and subcontractors, ensuring alignment on design, quality, delivery and performance expectations

Support engineering reviews, including requirements, design, test readiness and manufacturing data assessments

Contribute to system‑level integration, verification and test of electronic subsystems across development and production phases

Support risk management activities including obsolescence analysis, component availability and procurement planning

Your profile
We are looking for candidates with the following qualifications:

A Master’s degree in electronics engineering, avionics, aerospace engineering, electrical engineering or a related field

Experience in electronics or avionics development for aerospace, space, defense or other high‑reliability systems

Strong understanding of electronic architectures including power, data handling, control electronics and sensor interfaces

Experience with procurement, supplier management or sourcing of electronic components, boards or subsystems

Ability to write and review technical documentation such as specifications, interface documents and supplier statements of work

A structured, pragmatic and delivery‑oriented mindset with strong communication skills across multidisciplinary teams

What We Offer

A unique, international working environment at the intersection of physics and engineering

The opportunity to deliver end‑to‑end solutions in autonomous project teams, in close collaboration with customers

A competitive salary with an annual bonus based on individual and company performance

27 days of annual leave (based on full‑time employment)

Hybrid working options, including the possibility to work partially from home

Company bicycle and fitness plans

A personal development budget

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