Find your next startup role

Every open role at the venture-backed UK startups we track. Apply goes straight to the company.

64 open rolesBacked by NSSIF

Sort by newest or company

Manufacturing Operations - General Interest
Greenjets, Milton Keynes
Raised a Series A in July
Salary not listed16 Jul 2026Apply
AIT Technician
Open Cosmos, Barcelona, Spain
Raised a round in September
Salary not listed9 Jul 2026Apply
Quality & Product Assurance (QPA) Intern
Open Cosmos, Athens, Greece
Raised a round in September
Salary not listed6 Jul 2026Apply
Software Engineer - On Board Processing
Open Cosmos, Harwell, UK (hybrid)
Raised a round in September
Salary not listed1 Jul 2026Apply
Remote Pilot - Fixed-wing UAS
Greenjets, Milton Keynes (hybrid)
Raised a Series A in July
Salary not listed24 Jun 2026Apply
Quality & Product Assurance Manager
Open Cosmos, Barcelona, Spain
Raised a round in September
Salary not listed5 Jun 2026Apply
AIT Engineer
Open Cosmos, Athens, Greece
Raised a round in September
Salary not listed22 May 2026Apply
AIT Technician
Open Cosmos, Coimbra, Portugal
Raised a round in September
Salary not listed22 May 2026Apply
AIT Technician
Open Cosmos, Athens, Greece
Raised a round in September
Salary not listed22 May 2026Apply
Manufacturing Engineer
Greenjets, Milton Keynes (hybrid)
Raised a Series A in July
Salary not listed21 May 2026Apply
Embedded Systems Engineer
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
Senior Systems Engineer
Open Cosmos, Athens, Greece; Barcelona, Spain; Porto, Portugal; Coimbra, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
Air Interface Architect
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
System Performance & Modelling Engineer
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
Senior Network Engineer
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
Senior Mission Manager
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed28 Apr 2026Apply
Thermal Systems Engineer
Open Cosmos, Harwell, UK (hybrid)
Raised a round in September
Salary not listed28 Apr 2026Apply
Site Reliability Engineer (DataCosmos)
Open Cosmos, Harwell, UK; Barcelona, Spain; Athens, Greece; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed28 Apr 2026Apply
Senior Mission Concept Engineer
Open Cosmos, Athens, Greece (hybrid)
Raised a round in September
Salary not listed22 Apr 2026Apply
Customer Support Specialist (DataCosmos)
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed15 Apr 2026Apply
Senior Spectrum Systems Engineer
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Open Cosmos Balears (Mallorca); Porto, Portugal; Tenerife (hybrid)
Raised a round in September
Salary not listed17 Mar 2026Apply
Junior Legal Counsel
Open Cosmos, Harwell, UK; Barcelona, Spain (hybrid)
Raised a round in September
Salary not listed9 Mar 2026Apply
Automation Architect
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal; Tenerife (hybrid)
Raised a round in September
Salary not listed14 Feb 2026Apply
Inventory & Logistics Coordinator (Harwell, Oxfordshire)
Open Cosmos, Harwell, UK
Raised a round in September
Salary not listed14 Feb 2026Apply
Sales Lead, Earth Observation Data (Europe)
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal; Tenerife (hybrid)
Raised a round in September
Salary not listed14 Feb 2026Apply