Open Cosmos

Systems Engineer

• Lead the technical delivery of spacecraft systems from concept and architecture through operations and deorbit
• Own system-level architecture, coherence, performance, and reliability across mission phases
• Define, manage, and maintain mission and system requirements with full lifecycle traceability
• Lead system-level verification and validation planning, execution, and technical resolution activities
• Perform system analyses, trade studies, and design optimisation to meet mission and operational objectives
• Develop and improve MBSE methodologies, tools, and systems engineering processes across projects
• Define robust FMECA and Fault Detection, Isolation and Recovery (FDIR) strategies
• Ensure appropriate system margins, resilience, and fault tolerance are embedded into mission designs
• Coordinate multidisciplinary engineering teams to deliver integrated spacecraft solutions
• Act as the systems interface across engineering, AIT, mission management, operations, suppliers, and external partners
• Support bids, customer engagements, reviews, and operational decision-making with systems-level expertise
• Mentor and support junior systems and engineers while promoting engineering best practice across the organisation

Senior Systems Engineer

• Supporting spacecraft system design, integration, and verification activities across multiple missions
• Contributing to system architecture definition and interface management between spacecraft subsystems
• Performing system-level analysis, trade studies, and performance assessments within assigned areas
• Supporting requirements definition, traceability, and verification activities across systems and subsystems
• Contributing to verification and validation planning, execution, and issue resolution activities
• Applying MBSE methodologies and tools to support structured system development
• Maintaining system models, technical documentation, and engineering artefacts throughout the project lifecycle
• Supporting FMECA activities and contributing to Fault Detection, Isolation and Recovery (FDIR) strategies
• Working closely with subsystem teams across power, AOCS, communications, propulsion, thermal, and mechanical domains
• Supporting Assembly, Integration and Test (AIT) activities including functional and environmental testing
• Providing technical support to suppliers, design reviews, bids, and mission documentation activities

• Develop embedded software and firmware for real-time control and telemetry systems
• Design FPGA and firmware solutions using VHDL/Verilog for high-speed hardware control
• Build and optimise embedded C/C++ applications within RTOS environments
• Implement deterministic control loops and low-level hardware interfaces
• Develop robust communication protocols across digital and RF subsystems
• Design fault-tolerant and resilient system architectures for high-reliability environments
• Support hardware-in-the-loop testing, integration, debugging, and verification activities
• Optimise performance, power consumption, and memory usage in constrained embedded systems
• Contribute to secure remote management and monitoring capabilities for deployed systems
• Work closely with systems, hardware, RF, and software teams to deliver integrated solutions

Embedded Systems Engineer

SDET

• Help ensure the quality and reliability of the DataCosmos platform, testing everything from frontend interfaces and APIs through to data flows and platform behaviour.
• Defining and implementing testing strategies across platform features and releases
• Designing, building, and maintaining automated tests for frontend and backend systems
• Carrying out manual and exploratory testing across user journeys and edge cases
• Validating data flows, outputs, and platform reliability
• Collaborating with engineering and product teams to define acceptance criteria and test coverage
• Supporting CI/CD pipelines and improving automated testing within release cycles
• Identifying gaps in coverage and driving improvements in testing practices and frameworks
• Investigating defects across UI, API, and data layers
• Reviewing user and admin documentation to ensure clarity and alignment with system behaviour.

Test Engineer, Data

Backend Engineer

• Designing, building, and maintaining scalable backend services and APIs
• Developing clean, reliable code in Go and/or Python
• Improving platform performance, scalability, observability, and reliability
• Working with cloud-native technologies including Docker and Kubernetes
• Contributing to CI/CD pipelines, deployment strategies, and infrastructure improvements
• Collaborating with cross-functional teams to deliver technical solutions for real-world space missions
• Supporting production systems and driving continuous improvement across the platform

Backend Engineer, DataCosmos

AI Engineer

• Designing and delivering AI-powered pilots and applications using Earth Observation data.
• Building computer vision models for detection, segmentation, and classification tasks.
• Developing AI workflows that combine EO data with LLM orchestration and reasoning.
• Implementing modern AI approaches including RAG, tool-calling, and multi-step workflows.
• Integrating AI capabilities into the DataCosmos platform using scalable APIs and architecture.
• Supporting deployment, containerisation, and production-readiness of AI solutions.
• Collaborating with commercial teams, customers, and partners to solve real-world challenges.
• Rapidly iterating on ideas and pilots based on feedback and evolving requirements.
• Contributing reusable code, shared AI components, and best practices across the Data team.

Applied AI Engineer – Space & EO, Data

Operations

• Owning the performance of assigned satellite missions, ensuring reliable and high-quality data delivery across the full service chain
• Acting as the primary point of contact for satellite owners and promoters, managing relationships and aligning on mission objectives
• Monitoring mission health and performance across space and ground segments, proactively identifying risks and issues
• Coordinating resolution of satellite, ground segment, and data-related incidents, ensuring timely and effective outcomes
• Providing regular reporting on mission performance, service levels, and delivery against agreed objectives
• Ensuring alignment and coordination across flight operations, ground systems, and data platform teams
• Managing third-party partners and subcontractors contributing to mission delivery
• Supporting the Growth team in pre-sales activities, contributing operational insight to satellite operations proposals
• Identifying opportunities to improve mission performance, service reliability, and operational efficiency

Operations Mission Manager

Engineer

• Defining, optimising, and maintaining the precise orbital architecture of the constellation over its lifespan
• Running continuous topology analysis, ensuring that the physical distribution of satellites mathematically supports the network capacity requirements defined by the System Architecture team
• Modelling the integration of future constellation phases, calculating how adding new orbital shells will interact with the existing mesh
• Calculating the exact pointing, acquisition, and tracking (PAT) slew rates required to maintain line-of-sight for optical Inter-Satellite Links (ISLs), especially during cross-plane orbital intersections
• Analyzing astrodynamic perturbations, like atmospheric drag, solar radiation pressure and their direct impact on laser pointing accuracy and optical link stability
• Calculating and delivering highly accurate slant range and Doppler shift profiles to the RF and Waveform engineering teams for physical layer optimization
• Calculating revisit times, elevation angles, and line-of-sight durations to guarantee SLA-backed coverage for User Terminals (UTs)
• Modelling complex operational environments, including terrain masking, maritime use cases, and high-latitude regions, ensuring zero packet drops during critical satellite-to-satellite handovers
• Working closely with the Network Routing team to simulate how the physical orbital geometry dictates latency and jitter for our clients
• Designing the physical maneuver strategies required to maintain the constellation's precise geometry, sizing strict Delta-V budgets for initial orbit insertion, station-keeping, and end-of-life de-orbiting
• Developing the operational concepts for automated Collision Avoidance (COLA) and Space Situational Awareness (SSA), ensuring thruster burns are planned so they do not disrupt active routing paths
• Ensuring all orbital lifecycle and de-orbiting strategies strictly comply with international space debris mitigation guidelines and ITU regulatory milestones
• Building and maintaining the core astrodynamics simulation environments using tools
• Developing custom code directly into the software team's routing simulators and our broader Digital Twin

Satcom Mission Analysis Engineer

Frontend Engineer

• Lead the design and development of the interfaces that bring the DataCosmos platform to life
• Build performant, scalable UI components and data visualisations
• Design, develop, and maintain React-based user interfaces for data exploration, visualisation, and delivery
• Implement reusable, scalable front-end architecture and component libraries
• Translate data requirements into clear, accessible, and user-friendly interfaces
• Work closely with data and backend engineers to integrate APIs and data services effectively
• Optimise front-end performance when handling high-volume or real-time data
• Write and maintain unit and integration tests to ensure reliability and robustness
• Participate in code reviews, ensuring adherence to front-end best practices and coding standards
• Contribute to CI/CD pipelines for front-end deployment and release
• Provide technical guidance on React architecture, state management, and data handling patterns
• Act as a subject matter expert for front-end development within data-driven applications
• Identify opportunities to simplify, optimise, and enhance data visualisation and UI performance
• Ensure front-end solutions support clarity, usability, and efficiency for both technical and non-technical users

Senior React Frontend Developer, Data

Payroll

• Own and manage end-to-end payroll operations across multiple countries, ensuring payroll is accurate, compliant, and delivered on time every cycle
• Partner with external payroll providers and hold vendors accountable for service quality, SLAs, and continuous improvement
• Work closely with People and Finance teams to ensure payroll data, benefits, pensions, and employee changes are reflected accurately
• Lead payroll compliance activities including audits, year-end filings, tax and social security requirements, and country-specific reporting
• Produce payroll reporting, reconciliations, accruals, and payroll-to-GL analysis, proactively identifying and resolving discrepancies
• Improve and scale payroll processes, systems, controls, and ways of working as Open Cosmos continues to grow internationally
• Act as the escalation point for payroll queries, providing clear and supportive guidance to employees across different regions