Mission Systems Engineer (Foundry Pipelines & Operator Apps) for NATO with security clearance

Hybrid: remote, with trips to Mons, Belgium — three days on site every second week.
Who can apply: candidates with the right to work in the EU, and UK-based candidates.

An engineering seat on a real-time intelligence platform used by defence, national-security and NATO-aligned organisations across Europe. Small team, a great deal of ownership: an operational question arrives open-ended, and your job is to turn it into something operators genuinely rely on — in the field or in an operations centre.

The heart of the work is Palantir Foundry . You design the pipelines, the ontology and the applications that bring live intelligence together with the customer's own operational data — sensor feeds, asset and unit positions, mission context — and you own the result from the first sketch on a whiteboard to a system people depend on.

What you would be doing

• Sitting with defence and security users to understand what matters most to them in situational awareness and force protection, then scoping solutions against it.
• Designing, building and deploying on Palantir Foundry — data pipelines, ontology models and operator-facing applications.
• Bringing live intelligence into the workflows, common operating pictures and command-and-control tooling already in use, so that people with very different information needs each receive what is relevant to their mission.
• Building and tuning custom widgets where that is what the user actually needs.
• Owning solutions end to end, with little supervision and sound technical judgement of your own.
• Debugging across the whole stack — infrastructure, networking, application — often in restricted, disconnected or on-premise settings.
• Being the technical adviser the customer's engineers and operators trust, and carrying their feedback back into the product.
• Travelling to customer sites and operations centres in Europe, roughly a quarter to three quarters of the time.

What you would bring

• A strong engineering background — computer science, software engineering, mathematics, physics or something equally technical.
• Hands-on Palantir Foundry work: pipelines, ontology, Compute Modules, Code Repositories and Workbooks, application development. This one is core to the role.
• Fluency in at least one of Python, Java, SQL, TypeScript or JavaScript, Bash, Go.
• Three years or more of professional software or forward-deployed / solutions engineering, shipping systems into production.
• The knack of picking up an unfamiliar platform architecture and data model quickly, and of reasoning about how a technical decision lands on the operator.
• Containers (Docker or Podman) and orchestration (Kubernetes or OpenShift), with solid Linux, networking and on-premise fundamentals.
• Ease with technical and non-technical stakeholders alike, and with objectives that shift as the mission does.
• Willingness to travel and to work on site in secure customer facilities.

Nice to have

• Software delivered in classified, air-gapped or otherwise disconnected environments.
• A background supporting defence, intelligence, national-security or emergency-management work.
• Geospatial platforms and common-operating-picture tooling (Esri, ArcGIS), or command-and-control systems.
• Front-end frameworks, and data-rich applications built for operators.
• A feel for how NATO and national defence customers handle accreditation and compliance.
• A second European language.

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