Latest Government Jobs

Senior Antenna and RF Payload Engineer

As a Senior Antenna and RF Payload Engineer, you will lead the design, specification, and validation of antenna and RF payload systems for satellite payloads and user terminals. Your responsibilities include defining technical specifications, performing electromagnetic simulations, and overseeing qualification activities to ensure robust and high-performance hardware designs.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Air Interface Architect

The Air Interface Architect will define and govern the end-to-end PHY and MAC layer architecture for Open Cosmos' LEO communication system, ensuring high-performance and scalable connectivity. Responsibilities include waveform design, link adaptation, mobility management, and system-level modelling to validate performance and optimize design decisions.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Production Manager

As a Production Manager, you will oversee the day-to-day running of satellite assembly, integration, and test activities across multiple shifts. Your role involves translating production plans into shift rotas, leading Production Team Leads, managing KPIs, and ensuring smooth, safe, and efficient operations. You will work closely with Engineering, Quality, Supply Chain, and Facilities to deliver high-quality satellite systems on time and to a high standard.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Operations Engineer (AIT Production)

As an Operations Engineer, you will play a key role in the production and assembly of satellites, focusing on improving manufacturing processes, applying Lean and Six Sigma principles, and ensuring high-quality, efficient, and safe operations. You will collaborate with various teams to refine workflows, analyze data, and drive continuous improvement.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Production Systems Software Engineer

As a Production Systems Software Engineer, you will develop and maintain digital systems for satellite manufacturing, focusing on improving data flow, traceability, and process efficiency. You'll work closely with production, engineering, and operations teams to design and implement IT and automation solutions, ensuring systems are reliable, secure, and compliant with industry standards.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Mechanical Engineer – Satellite Manufacturing (AIT Production)

You will contribute to the mechanical design, assembly, and testing of satellites, ensuring their performance, manufacturability, and long-term reliability. Responsibilities include developing mechanical designs, leading root-cause investigations, optimizing processes, and conducting structural and thermal analyses.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Thermal Systems Engineer

As a Thermal Systems Engineer, you will lead the thermal work package for multiple satellite missions, model and analyze spacecraft thermal behavior, and plan and execute thermal tests. You will collaborate with other subsystem engineers, contribute to the product roadmap, and ensure mission success from design to launch.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Senior AOCS Systems Engineer

As a Senior AOCS Systems Engineer, you will lead the development and delivery of advanced AOCS solutions for multiple satellite missions, ensuring technical performance and reliability. You will design, simulate, and test AOCS subsystems, support bids, and collaborate with mission teams and suppliers to drive innovation and operational excellence.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

FPGA Architect

As an FPGA Architect, you will design and implement FPGA systems for spacecraft, working closely with hardware and software teams to ensure high-performance, reliable, and scalable solutions. Your role involves defining FPGA architecture, leading the FPGA lifecycle, and driving continuous improvement in design and validation processes.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Cloud Infrastructure Engineering Intern

As a Cloud Infrastructure Engineering Intern, you will work with the Ground Segment team to build and maintain cloud infrastructure that supports satellite operations and data services. You will contribute to CI/CD pipelines, containerized environments, and system monitoring, while improving reliability and efficiency across platforms.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Internship

Supplier Quality Assurance (SQA) Manager

As the Supplier Quality Assurance (SQA) Manager, you will lead the quality assurance approach across the supply chain, ensuring suppliers meet high standards and continuously improve. You will define and implement supplier qualification, audit, and performance metrics, manage non-conformances, and support new product introductions. This role involves close collaboration with Supply Chain and Engineering teams to maintain robust quality documentation and support customer audits.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
Hybrid Permanent

Senior Spectrum Systems Engineer

As a Senior Spectrum Systems Engineer, you will lead the integration of spectrum compliance into satellite system design, using modelling and simulation to ensure regulatory adherence while maintaining performance. You will work closely with the Satcom team to define system requirements, build simulation models, and support regulatory engagement with high-quality datasets and insights.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Head of Spectrum & Regulatory Affairs

As Head of Spectrum & Regulatory Affairs, you will lead the strategic development and protection of Open Cosmos’ global spectrum assets. Your responsibilities include managing ITU filings, coordinating with satellite operators, and ensuring regulatory compliance across operational jurisdictions. You will also translate regulatory requirements into technical and operational constraints for satellite networks and represent the company in international regulatory forums.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Senior Software Engineer (Ground Segment)

You will design and own backend services and APIs for satellite and mission operations, lead technical design discussions, and collaborate with system engineers and spacecraft operators. The role involves building and maintaining a scalable operations platform using Go, Python, and Kubernetes, with a focus on reliability and automation.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent

Backend Software Engineer (Ground Segment)

You will design and own backend services and APIs for satellite and mission operations, lead technical design discussions, and collaborate with system engineers and spacecraft operators. The role involves building and maintaining a scalable, automated operations platform using Go, Python, and Kubernetes.

Open Cosmos Ltd Didcot, OX11 0RL, United Kingdom
On-site Permanent