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Bring Your Passion for Space!
Our client based in Luxembourg is focused on developing advanced robotic systems and mechanisms for the future space economy. From in-space satellite servicing and Active Debris Removal to lunar surface operations and commercial space stations, they are pushing the boundaries of space innovation.

Their team is rapidly expanding and offers exciting career opportunities for ambitious, talented individuals. Be part of a dynamic, international, and multi-functional team helping to shape the future of space exploration.
About the Role: They are seeking a Senior Robotic Systems Engineer to lead the development of cutting-edge robotic systems. This is a leadership role, guiding a diverse team through the design, implementation, and validation of robotic subsystems, and turning customer visions into groundbreaking technical solutions.

As the technical lead, you will be responsible for managing workflows, technical proposals, and system requirements, ensuring the highest engineering standards. You will oversee the entire project lifecycle, from initial concept to on-orbit validation, and act as the primary technical contact for customers and contractors.

Key Responsibilities:

• Technical Leadership: Lead the full lifecycle development of space robotic systems, ensuring technical excellence.
• Requirements Management: Develop, validate, and manage system requirements, maintaining traceability across all project levels.
• System Design & Architecture: Drive the system architecture, managing technical trade-offs, high-level interfaces, and CONOPS.
• Verification & Validation: Oversee system verification, create test plans, review procedures, and ensure compliance with requirements.
• Risk Management: Identify, mitigate, and resolve technical risks throughout the project lifecycle.
• Customer Liaison: Act as the primary technical point of contact, aligning project teams with customer expectations.
• Documentation: Develop and maintain comprehensive program documentation for internal and external use.

Ideal Candidate Profile:

• Education: MSc in Aeronautical, Mechanical, Electrical Engineering, or a related field.
• Experience: 5+ years in space systems engineering, with a focus on space robotics and mechanisms. Proven experience leading complex technical projects across full program lifecycles (Phase A to E).
• Technical Expertise: Solid understanding of space systems, including structural, thermal, radiation, and EMI/EMC considerations. Hands-on experience with system design, development, and testing.
• Tools & Standards: Familiarity with ECSS standards and systems engineering tools (e.g., DOORS, Polarion, JAMA). Proficient in technical documentation and compliance with space industry standards.
• Processes: Expertise in Systems Engineering processes, including requirements management, verification, and validation.
• Software: Knowledge of SOLIDWORKS, ALTIUM, and Microsoft Office suite.
• Languages: Proficient in written and spoken English.

Desired Skills:

• Strong leadership, decision-making, and problem-solving abilities.
• Exceptional interpersonal skills for managing customer relationships and leading cross-functional teams.
• Experience with Model-Based Systems Engineering (SysML) and 3+ years working with JAMA.
• Ability to coordinate efforts across multiple disciplines and time zones.

Why Join them? You will be welcomed by a diverse and supportive team from various multicultural backgrounds. They offer a competitive salary, complementary health insurance, meal vouchers, and a personalized training plan, alongside professional development programs to accelerate your career growth.

For more information please send an email to michael.neale@holtexecutive.com or call +44 7485 986 177.

Holt Executive has teamed up with a leading independent service provider specializing in satellite and radio communications. This partnership ensures that customers around the globe receive secure and high-quality voice and data services. The provider also excels in systems integration, engineering, and IT solutions, serving the maritime, enterprise, defence, and government sectors.

They require a Systems Engineer (Mod/Gov) to design and configure Mod/Gov projects, ensuring that all assignments are delivered by project specifications. You will liaise closely with the projects office to coordinate the timely completion of work and testing and evaluating new equipment as directed. The ideal candidate will have a strong background in project delivery and a keen eye for detail, ensuring all projects meet the highest standards.

Key Responsibilities for the Systems Engineer (Mod/Gov):

• Ensure all drawing work and technical documentation are accurately provided.
• Verify technical equipment against project specifications.
• Visit customer sites as needed to support projects.
• Define IP structures for new projects and offer guidance to teams.
• Develop equipment lists and specifications for the project’s office.
• Validate new software to ensure each build meets test criteria and operational efficiency.
• Support customer meetings for future projects and enhancements, particularly those requiring a deep understanding of customer needs.
• Participate in the Duty MoD/Gov engineer rota and support structure.
• Provide supporting information for new technical proposals.
• Offer training as needed for new systems.
• Coordinate with MoD/Gov agencies as required for trials.
• Demonstrate flexibility and availability to meet MoD/Gov customers’ needs.
• Perform relevant tasks as outlined in the Global Security Organisation Document.

 
Key Skills and Experience Required by the Systems Engineer (Mod/Gov):

• Must hold, or can achieve, DV Security Clearance
• Excellent communication and time management skills
• Proven administration skills
• Flexible and pro-active
• Minimum degree level qualification in a relevant discipline or relevant experience at an equivalent level essential. Engineering degree preferred.
• Broad ICT and Satellite communications experience highly desirable.
• Professional registration is desirable.
• Cisco CCNA or equivalent minimum experience, or Juniper similar level.

 
Company Benefits: 

• Hybrid working
• Annual Bonus
• Private Healthcare
• 25 days holiday per year + bank holidays
• On-site benefits including Gym
• Collaborative and supportive work environment and more!

 
If your skills and experience match this exciting Systems Engineer (Mod/Gov) opportunity, we encourage you to apply now!
 
 

Holt Executive are partnered with a leading electro-optics design and manufacturing business, which is seeking a Systems Engineer to join their growing Systems Engineering team.

The successful Systems Engineer will be responsible for systems engineering tasks. This includes ensuring the system meets customer needs by guaranteeing a cohesive design that integrates mechanical, electrical, and software aspects.

Key Responsibilities for the Systems Engineer:

• Requirements Capture and management.
• Functional and Physical Systems Architecture Design and Definition.
• System Modelling.
• Development of Engineering Management Plans (Safety Management, Test Integration & Acceptance, Technical Risk
• Management).
• Gathering of verification evidence for System Requirements.
• Creation of Procurement Specifications for sub-systems and components.
• Writing test specifications.
• Conducting Design reviews.
• Environmental Qualification Plans (EMC, Temperature, Shock & Vibration).

Key Skills and Experience for the Systems Engineer:

• A relevant degree in Engineering or physical sciences.
• 1 -3 years’ systems engineering experience in a defence engineering (or similar) company.
• Proficient in the use of requirements management tools (DOORS, Visure or R4J).
• Work package management in JIRA.
• Proficient in Report Writing.

Company Benefits:

• 37.5 hour working week and lunchtime finishes on a Friday.
• 28 days annual leave and Christmas closure.
• Employee Help@Hand Service gives you and your family access to four key services including remote GP service, second opinion, mental health pathway service, and physiotherapy consultations.
• Life Assurance Policy, including Bereavement Counselling and Probate Helpline.
• Company Share Incentive Plan and Save as You Earn Scheme.
• Wellbeing initiatives, including access to the Aviva Wellbeing App and the addition of mental health support for all employees plus regular activities across all sites to support and promote well-being.
• Employee discounts scheme (including access to an additional wellbeing hub).
• Excellent Learning & Development opportunities.

If your skills and experience match this Systems Engineer opportunity, we encourage you to apply by sending your CV to info@holtexecutive.com

Holt Executive are partnered with a global leader in Space sustainability, a dynamic and rapidly growing technology innovator who are making hugely positive contributions to tackle the growing problem of orbital space debris.

They require a Senior Ground Systems Engineer to be involved in the whole ground segment development process, from conceptual design to maintenance, playing a key role by interfacing with the Mission Systems and Operations teams.

The company offers hybrid working and flexible hours, and you will join a team of highly talented engineers working on cutting edge technology, in their state-of-the-art office and cleanroom facility in Oxford.

Visa sponsorship and relocation package can be offered for this role.

Responsibilities for the Senior Ground Systems Engineer:

• Participate in/lead the development of ground systems including Mission Control System, Mission Planning System, Ground Stations Interface System.
• Derive requirements for the ground segment.
• Interface with the external suppliers’ teams acting as a Product Owner or Technical Officer and provide support to the development team during the ground segment development phase.
• Produce and maintain project documentation to good standard including requirements, verification and validation plan, test procedures, test reports, etc.
• Perform verification & validation of the systems with other team members.

 
Skills and Experience required by the Senior Ground Systems Engineer:

• University degree in Computer Science, Telecommunications, or other relevant engineering discipline.
• 5+ years of industry experience in satellite ground systems engineering.
• Good knowledge of the main components of a ground segment (for example, mission control system, mission planning system).
• Good knowledge of Requirements Engineering, system integration, verification and validation.

 Benefits:

• Relocation package and visa sponsorship (if applicable)
• Flexible working around core hours
• Hybrid working
• 25 days holiday (increasing yearly up to a maximum of 28 days)
• Life insurance and long-term sick pay
• Private healthcare

If your skills and experience match this Senior Ground Systems Engineer  opportunity, we encourage you to apply by sending your CV now! 

Holt Executive are partnered with a US based new space company who in a joint venture with their European counterparts, are looking to enter the satellite manufacturing business.

Officially founded in 2024, this venture is a significant milestone in the group’s strategic expansion. Backed by over 170m Dollars raised in 2024, this venture is poised to launch their first satellites in 2025.

We have an exciting opportunity for a Satellite Payload Communication Systems Engineer to play a crucial role in managing and optimizing satellite payload communication systems.
 
Key Skills & Experience Required by the Satellite Payload Communication Systems Engineer: 

• Vast experience and knowledge in satellite communication systems, radio frequency engineering, and signal processing.
• Experience and knowledge with payload communication protocols, data links, and modulation schemes.
• An understanding of satellite communication standards such as CCSDS.
• Strong understanding of antenna systems, frequency bands, and propagation models.
• Experience and expertise in software-defined radios (SDR) and networking protocols.
• A Bachelor’s degree in Electrical Engineering, Telecommunications, or a related field.
• Excellent problem-solving and analytical skills.
• Ability to work effectively in a team and communicate technical concepts clearly.
• US Citizenship.

 
This opportunity is an on-site position, based in Boulder, Colorado.
 
If your skills and experience match this Satellite Payload Communication Systems Engineer opportunity, we encourage you to apply by sending your CV now!

Holt Executive are partnered with a global leader in Space sustainability, a dynamic and rapidly growing technology innovator who are making hugely positive contributions to tackle the growing problem of orbital space debris.

They require a Senior Ground Systems Engineer to be involved in the whole ground segment development process, from conceptual design to maintenance, playing a key role by interfacing with the Mission Systems and Operations teams.

The company offers hybrid working and flexible hours, and you will join a team of highly talented engineers working on cutting edge technology, in their state-of-the-art office and cleanroom facility in Oxford.

Visa sponsorship and relocation package can be offered for this role.

Responsibilities for the Senior Ground Systems Engineer:

• Participate in/lead the development of ground systems including Mission Control System, Mission Planning System, Ground Stations Interface System.
• Derive requirements for the ground segment.
• Interface with the external suppliers’ teams acting as a Product Owner or Technical Officer and provide support to the development team during the ground segment development phase.
• Produce and maintain project documentation to good standard including requirements, verification and validation plan, test procedures, test reports, etc.
• Perform verification & validation of the systems with other team members.

 
Skills and Experience required by the Senior Ground Systems Engineer:

• University degree in Computer Science, Telecommunications, or other relevant engineering discipline.
• 5+ years of industry experience in satellite ground systems engineering.
• Good knowledge of the main components of a ground segment (for example, mission control system, mission planning system).
• Good knowledge of Requirements Engineering, system integration, verification and validation.

 Benefits:

• Relocation package and visa sponsorship (if applicable)
• Flexible working around core hours
• Hybrid working
• 25 days holiday (increasing yearly up to a maximum of 28 days)
• Life insurance and long-term sick pay
• Private healthcare

If your skills and experience match this Senior Ground Systems Engineer  opportunity, we encourage you to apply by sending your CV now! 

Holt Executive are partnered with an innovative IT solutions company that develops spacecraft software and IT systems and provides Earth observation service.

They require a Systems Engineer to outline the technical specifications of the ground control system, ensuring it meets the specific needs of the space mission.

Key Responsibilities for the Systems Engineer:

• Define ground segment specifications and analyse interfaces including flight elements.
• Participate in the ground segment definition and design.
• Define integration and validation plans at a system level.
• Drive trade-off analysis and propose technical choices.
• Collaborate with our customers to find the perfect solutions for their needs.
• Interact with space agencies, customers, and sub-contractors in exciting space projects.
• Iterate with the software development team.

Key Skills and Experience for the Systems Engineer:

• Master’s degree in one of the following fields: Aerospace Engineering, computer science, Physics Engineering, or related field.
• At least 3 years of experience in system and/or software engineering in a similar technical environment. A few years of experience in project management is also an advantage.
• A solid knowledge of technical English.
• An interest in the space sector.
• Knowledge and experience with a number of the ground segment applicable IT programming languages or technologies such as Python, Java, Micro-services architecture, Cloud technology.
• An experience in space mission ground systems is a real asset.

Benefits: Permanent employees 

• Competitive Salary
• Company Car (Private & Professional use)
• Car fuel card (Private & Professional use)
• Health Insurance
• Meal vouchers
• Pension 

 
If your skills and experience match this Systems Engineer opportunity, we encourage you to apply now!

Holt Executive are partnered with a leading Global Satellite and Space leader that provides reliable and secure satellite-delivered voice and high-speed data communications solutions to broadcast, telecommunications, corporate and government customers worldwide.

Our partner is seeking a User Terminal Systems Engineer to play a vital role in in the design and development of next-generation satellite user terminals.

The successful User Terminal Systems Engineer ensure the successful integration and development of modem architectures within their satellite communication system.

Key Responsibilities for the User Terminal Systems Engineer:

• Oversee the design, development, and optimization of Modem Architecture Designs ensuring they meet performance, cost, and reliability targets.
• Collaborating with cross-functional engineering teams (FPGA, RF, Software, Hardware) to ensure integration of the modem with other terminal components is seamless.
• Developing and implementing signal processing algorithms (including modulation, demodulation, error correction, and data compression).
• Conduct performance analysis, and test reviews of modem designs, including link budget analysis.
• Ensure compliance is met with relevant industry standards (DVB-S2, DVB-RCS, 3GPP).
• Lead the development and testing of prototypes.
• Ensure detailed documentation for technical specifications, design guidelines, and test planning.

Key Skills & Experience for the User Terminal Systems Engineer:

• A Bachelor’s or Master’s degree in Electrical Engineering, Telecommunications, Computer Science, or a related field.
• 6+ years of experience in satellite communication systems, modem design, FPGA design and signal processing.
• Strong knowledge of digital communication systems, including modulation techniques, error correction methods, and RF systems.
• Proficiency with design and simulation tools such as MATLAB, Simulink, or similar. Experience with DSP programming is a plus.

• Experience with making trade-offs between performance and cost and the component and the system level.
• Experience with the full lifecycle of hardware and modem designs – from inception, design, production, and fielding.

The successful candidate must be able to work in Canada and Reliability Clearance.
 
If your skills and experience match this User Terminal Systems Engineer opportunity, we encourage you to apply now!

Holt Executive are partnered with a leading Global Satellite and Space leader that provides reliable and secure satellite-delivered voice and high-speed data communications solutions to broadcast, telecommunications, corporate and government customers worldwide. Their Low Earth Orbit (LEO) satellite network is revolutionizing global broadband connectivity.
 
We have an exciting opportunity for an Operational Support Systems Engineer (OSS) to play a key role in optimizing network performance, enhancing efficiency, and ensuring a seamless customer experience.
 
Key Responsibilities for the Operational Support Systems Engineer:

• Design, develop, implement, and enhance Operational Support Systems to monitor and manage Carrier Ethernet and IP customer services and network resources, ensuring optimal performance and reliability.
• Review and approve design and development solution documents, internal and external test strategies, plans, and scripts.
• Develop and maintain accurate and up-to-date documentation of OSS requirements, configurations, processes, and procedures.
• Implement real-time network monitoring solutions to proactively identify and resolve network issues, minimizing downtime.
• Investigate and resolve complex OSS and network problems by collaborating with cross-functional teams to find effective solutions.
• Develop and maintain automated scripts and tolls to streamline network operations and improve efficiency.
• Implement and enforce security best practices to protect network systems and data integrity.
• Analyse network performance data to provide valuable insights for capacity planning and network optimization.

 Key Skills & Experience for the Operational Support Systems Engineer: 

• 3-6 years of experience working with Operational Support Systems.
• Strong knowledge of design principles, and specifications for standardized and interoperable OSS.
• Strong knowledge and experience of network management protocols, including NETCONF/RESTCONF, gNMI, TMForum APIs, MEF LSO APIs, CloudEvents, OpenMetrics, Openflow, ONF TAPI, etc.
• Strong knowledge of the MEF Lifecycle Service Orchestration framework.
• Experience using Operational Support Systems tools and platforms such as Netcracker Digital OSS, ONAP, Ciena Blue Planet, Amdocs, etc.
• Hands on experience with Carrier Ethernet technologies, standards, and protocols.
• Familiarity with TMForum Open Digital Architecture (ODA), Process Framework (eTOM) and Information Framework (SID).
• Familiarity with Model-based systems engineering (MBSE) and/or UML.
• Experience making recommendations and decisions which will influence the network operations and control solution of the network.

 
The successful candidate must be able to work in Canada and obtain clearance under the Canadian Controlled Goods Program (CGP).
 
This opportunity offers a hybrid work model with 3 days in the office and occasional travel is anticipated.
 
If your skills and experience match this Operational Support Systems Engineer opportunity, we encourage you to apply by sending your CV to info@holtexecutive.com

Holt Executive are partnered with a leading Global Satellite and Space leader that provides reliable and secure satellite-delivered voice and high-speed data communications solutions to broadcast, telecommunications, corporate and government customers worldwide. Their Low Earth Orbit (LEO) satellite network is revolutionizing global broadband connectivity.
 
We have an exciting opportunity a Senior Systems Engineering Designer/Architect to play a vital role in supporting the entire design and development process for their revolutionary LEO satellite network constellation.
 
As the Senior Systems Engineering Designer/Architect your expertise will ensure everything aligns perfectly with project goals and meets the critical needs of their customers.
 
Key Responsibilities for the Senior Systems Engineering Designer/Architect:

• Design and develop critical aspects of the system, including:

• End-to-end communication
• Resource allocation mechanisms
• Network entry mechanism
• Network element management systems
• Service availability
• EPFD compliance and coordination mechanisms
• Satellite payload power consumption management
• Resource utilization efficiency
• Spectrum management
• User terminal type integration
• Concepts of operation

• Develop and maintain comprehensive system architecture documentation, including subsystems, interfaces, and data flows, to guarantee optimal performance and reliability.
• Work closely with the System Integration and Test team to plan the successful integration and testing of all system elements.
• Identify and manage technical risks associated with the system design. Develop mitigation strategies and contingency plans as needed.
• Provide technical leadership and guidance to junior engineers on the System Design team.
• Create and maintain all necessary documentation.
• Work together with external partners, vendors, and stakeholders to ensure the project’s success.

 
Key Skills and Experience for the Senior Systems Engineering Designer/Architect:

• Bachelor’s or master’s degree in electrical engineering, Aerospace Engineering, or a related field.
• 14+ years of proven experience in satellite system architecture and design.
• Strong knowledge of satellite communication protocols, orbital mechanics, and space systems.
• Experience with software defined satellite communication payloads.
• Familiarity with regulatory bodies and space industry standards.

 
The successful candidate must be able to work in Canada and obtain clearance under the Canadian Controlled Goods Program (CGP).
 
This opportunity offers a hybrid work model with 3 days in the office and occasional travel is anticipated.

If your skills and experience match this Senior Systems Engineering Designer/Architect opportunity, we encourage you to apply by sending your CV now!