Systems Engineer for the IRIS2 Integrated Project Team

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Be part of a new era in communications, transforming connectivity with Eutelsat – the world’s first GEO-LEO integrated global satellite operator.

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Ready to grow with us? Apply today and help us build a more inclusive, sustainable future in the world of satellite technology

Who You Are

You are an experienced Systems Engineer with a strong end-to-end perspective and a proven ability to translate stakeholder needs into coherent, verifiable system solutions. You combine technical depth with architectural thinking and are comfortable working across service, network, space, ground, operations, and integration domains.

You have experience contributing to the architecture, development, integration, verification, and evolution of complex telecommunications, satellite, wireless, or large-scale distributed systems. You can balance customer expectations, engineering constraints, operational needs, and programme objectives while maintaining technical consistency and traceability throughout the system lifecycle.

You are a collaborative problem solver who can lead technical discussions, challenge assumptions constructively, perform trade-off analyses, and build alignment across multidisciplinary teams, suppliers, customers, and institutional stakeholders.

Desired Profile

- Degree in Telecommunications, Systems Engineering, Electrical Engineering, Computer Science, Aerospace Engineering, or a related discipline.

- Proven experience in Systems Engineering, System Architecture, Requirements Engineering, Functional Architecture, or related technical leadership roles.

- Experience working on large-scale, multi-domain communication or space programmes.

- Strong analytical and problem-solving capabilities.

- Excellent written and verbal communication skills.

- Ability to produce clear, structured, and technically rigorous engineering documentation.

- Experience working with requirements management and systems engineering tools such as DOORS, Jama, Cameo, or equivalent.

- Ability to influence and coordinate multidisciplinary teams across organisational boundaries.

What You'll Do

As a System Engineer, you will define, maintain, and evolve the end-to-end technical baseline of advanced satellite and telecommunications systems. You will ensure consistency between stakeholder needs, operational concepts, architecture, requirements, interfaces, implementation, and verification activities throughout the programme lifecycle.

Stakeholder Needs, Requirements & Traceability

- Capture, analyse, and formalise stakeholder, customer, operational, regulatory, and business needs.

- Develop and maintain Concepts of Operations (CONOPS), operational scenarios, use cases, System Requirements Documents (SRD), and supporting engineering artefacts.

- Own or contribute to the system requirements baseline and ensure full traceability from stakeholder needs through design, implementation, verification, and validation.

- Allocate requirements across system domains, segments, subsystems, and suppliers.

- Assess requirements changes and manage their impact across the system.

End-to-End System Engineering

- Translate architecture and service objectives into a specified and verifiable end-to-end system.

- Define and maintain system functional chains, operational workflows, and service behaviours.

- Establish performance budgets and conduct system-level analyses covering capacity, latency, availability, coverage, resilience, and scalability.

- Ensure alignment between services, use cases, requirements, interfaces, and verification objectives.

- Support technical decision-making through quantitative assessments and trade studies.

System Architecture

- Develop and maintain functional, logical, physical, and operational architecture views.

- Define system functions, responsibilities, interactions, and information flows across user, service, network, space, ground, and operations domains.

- Establish architectural assumptions, constraints, interfaces, and design principles.

- Lead or contribute to architecture trade studies and Architectural Decision Records (ADRs).

- Assess cross-domain impacts of technical decisions and maintain architectural coherence throughout the system lifecycle.

- Support preparation of system descriptions, technical justifications, architecture baselines, and design documentation.

Integration, Verification & Validation

- Define verification strategies and support the development of verification plans.

- Work closely with Integration, Verification and Validation (IV&V) teams to establish verifiable requirements and end-to-end test scenarios.

- Ensure evidence is available to demonstrate compliance against stakeholder and system requirements.

- Support integration activities, technical reviews, qualification campaigns, and programme milestones.

- Contribute to interface management and cross-segment integration activities.

Technical Leadership & Collaboration

- Collaborate with domain architects, engineering teams, programme delivery teams, suppliers, customers, and institutional stakeholders.

- Participate in technical reviews, architecture boards, design reviews, and governance forums.

- Provide technical guidance to engineering teams and suppliers.

- Coordinate resolution of cross-domain technical issues and maintain technical consistency across programme boundaries.

- Support the continuous improvement of systems engineering methods, processes, and best practices.

What You'll Need

Essential Qualifications & Experience

- Bachelor's or Master's degree in Telecommunications, Electrical Engineering, Computer Science, Aerospace Engineering, or a related discipline.

- Significant experience in Systems Engineering, System Architecture, Functional Architecture, or Requirements Engineering.

- Experience defining and maintaining requirements, architectures, interfaces, and technical baselines.

- Strong understanding of the full systems engineering lifecycle, from concept and requirements through integration, verification, validation, and operations.

- Experience conducting technical trade studies and engineering assessments.

- Experience managing traceability between needs, requirements, architecture, interfaces, implementation, and verification.

- Experience working in complex multi-disciplinary and multi-supplier environments.

Technical Expertise

Experience in one or more of the following areas:

- Satellite communications systems and non-terrestrial networks (NTN).

- 5G / 3GPP architecture and network functions.

- Radio Access Networks (RAN).

- Air interface design, modelling, or optimisation.

- Ground segment and network architecture.

- User terminal architecture.

- IP networking, routing, transport systems, and service orchestration.

- System performance analysis and sizing.

- Model-Based Systems Engineering (MBSE).

- Integration, Verification and Validation methodologies.

Key Competencies

- Strong systems thinking and end-to-end perspective.

- Technical leadership and stakeholder management.

- Excellent analytical and decision-making capabilities.

- Ability to resolve complex cross-domain technical issues.

- Strong communication and influencing skills.

- Ability to work effectively in international and multidisciplinary environments.

- Ability to balance technical excellence, programme constraints, and delivery objectives.

Where You’ll Work

The position will be based within the SpaceRISE Common Segment Integrated Project Team at ESTEC in the Netherlands, working in an integrated environment with personnel originating from SES, Eutelsat and Hispasat and in close interaction with Grantor and ESA teams.

Regular interaction with Consortium Members, Segments, Ground Control Centres, industrial partners and European institutional stakeholders will be required.

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