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Open Cosmos Tech Stack

Small satellite design, build, and operations with earth observation and telecommunications payloads

Defense and Space Manufacturing Harwell, Oxfordshire 201–500 employees Founded 2015 Privately Held

Open Cosmos designs and operates small satellites for earth observation, telecommunications, and navigation. The tech stack—Python, Rust, C#, MATLAB, STK for mission simulation, and geospatial tools (GDAL, rasterio)—reflects a hardware-software hybrid engineering culture. Active hiring is concentrated in engineering roles across UK, Canada, Spain, and Greece, while concurrent adoption of Azure/Entra ID and EDR alongside internal projects around spacecraft assembly, testing maturity, and satellite industrialization suggests infrastructure modernization paired with mission execution at scale.

Tech Stack 27 technologies

Core StackPython Rust C# PostgreSQL Linux Intune Jira NumPy MATLAB Bash Git Windows macOS Google Workspace Microsoft 365 Azure Entra ID Jamf PowerShell SharePoint Configuration Manager iOS Android GDAL rasterio STK DVB-S2X

AdoptingMicrosoft 365 Azure Entra ID EDR

What Open Cosmos Is Building

◆Challenges

Migration to m365 and entra id
Automation and self-service improvement
Securing itu filings
Ensuring compliance across jurisdictions
Enabling international market access
Improving efficiency, reliability, and quality
Ensuring reliable, efficient, scalable service under dynamic conditions
Maturing testing processes
Improving repeatability
Maintaining test infrastructure

▲Active Projects

Edr rollouts
Wi-fi refresh
Long-term spectrum roadmap
Satellite user terminal portfolio
Spacecraft ait campaigns
Process improvement for space hardware and software
Industrialization of next-generation satellites
Opportunity pipeline analytics
Bid monitoring system
Automation framework development

Hiring Activity

Accelerating30 roles · 15 in 30d

Department

Engineering

16

Data

3

Ops

3

Sales

2

Support

2

Legal

1

Procurement

1

Product

1

Seniority

Mid

16

Senior

8

Manager

3

Lead

2

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About Open Cosmos

Open Cosmos, founded in 2015 and based in Harwell, Oxfordshire, designs, builds, launches, and operates small satellites for commercial and institutional customers. The company delivers end-to-end mission services—from payload development and spacecraft assembly to platform operations—and sells both satellite capacity and data products. Operating at 201–500 employees across multiple geographies, Open Cosmos manages a complex supply chain involving spectrum licensing (ITU filings), international regulatory compliance, and the technical challenges of reliable satellite operations. Current priorities include scaling manufacturing processes, maturing test infrastructure and repeatability, and expanding addressable markets through improved service reliability.

HeadquartersHarwell, Oxfordshire

Company Size201–500 employees

Founded2015

Hiring MarketsUnited Kingdom, Canada, Spain, Greece

Frequently Asked Questions

What tech stack does Open Cosmos use?

Python, Rust, C#, MATLAB, PostgreSQL, STK (mission simulation), GDAL/rasterio (geospatial), plus Microsoft 365/Azure infrastructure for enterprise systems.