Data Engineer (Palantir)

Groupe SII; Zürich; Vor Ort; CHF 90.000 - 150.000; Vollzeit

Zusammenfassung

SII Group is seeking a Data Engineer to build scalable data pipelines in Palantir Foundry, model data and ontology, and ensure data quality across the data lineage. You’ll write PySpark/SQL code to clean and transform large datasets and collaborate with Data Scientists, Analysts, and business units. Start date is September in Zurich, with a permanent contract.

English is required; German is a plus. The role focuses on leveraging Foundry’s ecosystem to enable data-driven insights across the

Qualifikationen

• Experience in Data Engineering, junior to mid-level (1–3 years) in a permanent role.
• Strong Python (PySpark/Pandas) and SQL proficiency.
• Familiarity with Palantir Foundry (Contour, Code Repositories, Ontology) is a plus.
• Solid understanding of relational databases and distributed systems.

Aufgaben

• Build pipelines in Foundry to scale ETL/ELT and integrate data from multiple sources.
• Model data and ontology for analysts and end-users.
• Ensure data quality and lineage with health checks across pipelines.
• Write PySpark/SQL code to clean and transform large datasets.
• Collaborate with Data Scientists, Analysts, and business units to translate requirements into data models.

Kenntnisse

Python (PySpark/Pandas)

SQL

Team collaboration

Relational databases

English

German

Data modeling

Big Data

Tools

Foundry Platform (Contour, Code Repositories, Ontology)

Jobbeschreibung

• Build Pipelines in Foundry: You develop and scale data pipelines (ETL/ELT) directly within Palantir Foundry (e.g., via Code Repositories, Pipeline Builder) and integrate data from a wide variety of source systems.


• Data Modeling & Ontology: You help map our data into the Foundry Ontology, making complex business logic tangible and accessible for analysts and end-users.


• Data Quality & Lineage: You implement health checks, monitor data quality across the entire data lineage process, and ensure that pipelines run stably.


• Code & Transformation: You write clean, efficient code (primarily in PySpark and SQL) to clean and transform large volumes of data.


• Team Collaboration: You work closely with Data Scientists, Analysts, and business departments to translate their requirements into functioning data models within Foundry.


• Initial professional experience in Data Engineering (as a Junior, e.g., through relevant internships/working student roles; as a Mid-Level, approx. 1-3 years in a permanent role).


• Good to excellent knowledge of Python (ideally experience with PySpark or Pandas) and are highly proficient in SQL.


• Prior experience with Foundry (e.g., Contour, Code Repositories, Ontology) is a massive plus. If not: You have a strong foundation in data processing and are highly motivated to dive deep into the Palantir ecosystem.


• Solid basic understanding of relational databases, data architectures, and the challenges of working with distributed systems (Big Data).


• Solution-oriented, think analytically, and enjoy diving into complex datasets and learning new tools.

For information

• Start date : September


• Location : Zurich - CH


• Duration : permanent contract


• Language : fluent in English, German is a plus


• At SII Switzerland, we stand out for our strong collaborative culture and recognized expertise in IT consulting and engineering services, supporting our clients in their digital transformation and innovation projects.


• With a presence across three offices in Geneva, Lausanne, and Zurich, and a workforce of around 70 consultants, our teams contribute every day to creating a work environment that is stimulating and development-oriented, where expertise, teamwork, and initiative are valued.


• For the third consecutive year, SII Switzerland has been certified Great Place To Work and ranked among the Best Workplaces in \"Suisse Romande\", demonstrating our strong commitment to our employees and the quality of our practices.


• True to our human-centered values, we are committed to supporting continuous learning and building strong relationships with our local ecosystem and partners.


• Joining SII Switzerland means taking part in a collective adventure guided by our promise \"Let’s Tech Together,\" and helping to build a technological future that is innovative, sustainable, and responsible, at the heart of an environment that values autonomy, collaboration, and professional growth.

Who are we?

SII Group is an international provider of digital services, engineering, and technology consulting. Operating in 21 countries, we support our clients in their innovation and digital transformation projects.

Joining SII means becoming part of a collective adventure: Let’s Tech Together! This promise reflects our shared ambition: to build the technological future together, in an environment where experimentation and autonomy are encouraged, where innovation is at the heart of everything we do, and where every employee can achieve professional fulfilment and take ownership of their responsibilities within an enthusiastic and inclusive team.

Let’s Tech Together embodies who we are and who we aspire to be: a dynamic, innovative, and people-focused company. So, if these values resonate with you, join us!