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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!

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 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 skilled Datacomms Engineer capable of handling everything from simple email applications to complex computer networks involving devices such as routers and switches. This role requires providing installation and commissioning engineering support for MoD/Gov systems worldwide, often at short notice. You will also offer technical support for business development activities related to products and be responsible for building and testing new or repaired MoD systems. As a lead field representative for installations, you will provide training to other engineers, ensuring high standards are maintained across all projects.

Key Responsibilities for the Datacomms Engineer:

• Assist MOD System Engineering with product and service evaluations aligned with company strategy, driven by requirements from Sales, Marketing, Management, or self-initiated.
• Support MOD Systems Engineering projects throughout their lifecycle, including design, prototyping, building, installation, integration, and testing, accompanied by thorough documentation.
• Verify design solutions through testing as directed by the Systems Engineering Manager.
• Provide assistance to the projects office for resolving escalated faults.
• Deliver training on terminals for bespoke solutions as needed.
• Collaborate with management and marketing on the technical aspects of product marketing and arrange and support customer demonstration facilities.
• Understand the use of cryptographic equipment and its application and impact in company systems.
• Set up and demonstrate complex satellite communication systems tailored to meet customer needs.
• Perform system administration tasks as outlined in the Security Organisation document.

 
Key Skills and Experience Required by the Datacomms Engineer:

• Satcom terminal experience required (DVB/Inmarsat).
• Must hold, or have the ability to achieve, DV Security Clearance.
• Excellent communication and time management skills.
• Good administration skills.
• Flexible and pro-active.
• Awareness of MoD systems and requirements.
• Broad IT & Network skills required.
• Professional registration desirable.
• NVQ Level 4 Desirable or similar level.
• Broad knowledge of Network installation required.

 
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 Datacomms Engineer opportunity, we encourage you to apply now!

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

They require a Senior Mission Operations Engineer to shape technical solutions for their future missions, develop operations concepts, tools, and prepare the team for mission execution. The candidate will interact extensively with the design and development engineers across functions and support tests conducted in the AIV and operational environments.

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

Responsibilities for the Senior Mission Operations Engineer:

• Act as an Operations Technical Lead for the mission under development.
• Develop Mission Operations Concept for a standalone mission or a satellite fleet.
• Support the Preparation Team Lead in Operations Development Plan and ensure follow through from Preliminary Design until end of mission.
• Develop Operability requirement and user stories with close coordination with the Flight Operations team and mission segments.
• Contribute to mission interface definitions (e.g. ICDs, data-budget, flight software application).
• Support the satellite simulator development and mission database management.
• Develop test specification, plan and procedure to conduct System Validation Test.
• Support the preparation and participate in Mission Simulation Test or similar system tests.
• Identify and specify tools to support the mission execution (e.g. database tool, trending tool, dashboards, context management etc.).
• Act as a System-Operations teams interface during mission execution (LEOP, Commissioning, Routine, Disposal).
• Support to anomaly resolution of in-flight satellites may be expected, as part of a 24/7 on-call team (TBC).

Essential Skills required by the Senior Mission Operations Engineer:

• Engineering, physics or an equivalent degree.
• Several years of demonstrable satellite industry experience in real time operations, spacecraft operations preparation through the complete life cycle.
• Knowledge of space standards (ECSS, CCSDS, ISO).
• Knowledge of mission control systems, SCOS-2000 or similar.
• Experience developing and validating flight procedures.
• Experience of system testing and AIT processes.
• Software coding experience with Scripting languages, e.g. Python, tcl.

Benefits

• Competitive base salary
• Opportunity to work with a highly talented, diverse & dynamic international team with cutting edge technology.
• Flexible working around core hours in a friendly and supportive environment.
• Hybrid working available (dependent on individual role requirements).
• 25 days holiday (increasing yearly up to a maximum of 28 days) + 8 days Bank Holiday.
• Life insurance and long-term sick pay.
• Private healthcare (taxable benefit).

If your skills and experience match this Senior Mission Operations 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 currently partnered with a global leader in Space and Satellite sustainability, a dynamic and rapidly growing technology innovator who are making hugely positive contributions to the growing problem of orbital space debris.

They require a Senior Flight Dynamics Engineer to be involved in critical missions, involving complex manoeuvres, approaching, and docking satellites and avoiding debris. The appointee will experience a range of orbital environments and scenarios as the company perform not only the standard operational lifecycle but also rendezvous, docking and separation activities. The role will include the design, development, testing and operations of the complete Flight Dynamics suite.

The company offer hybrid working and flexible hours, and you will join a team of highly talented engineers working on cutting-edge technology, in their office and cleanroom facility in Oxford.
 
Responsibilities for the Senior Flight Dynamics Engineer:

• Define flight dynamics requirements.
• Participate in the design of the Flight Dynamics Systems.
• Develop algorithms and software for specific FDS modules.
• Be responsible for SSA processes: conjunction warning assessment, and collision avoidance planning, execution and evaluation.
• Plan, support the execution of and evaluate the performance of, spacecraft orbital and attitude manoeuvres.
• Support the design of the Ground Segment Concept of operations.
• Perform required mission and system analysis studies, preparation of technical notes and attendance at technical meetings.
• Perform routine and critical real-time operations.
• Participate in 24/7 shifts (for mission phases) and on-call rotations, such that safe and efficient operations are ensured on a 24/7 basis.

 Skills & Experience required by the Senior Flight Dynamics Engineer:

• Right to work in the UK and eligible for a Security Clearance application (Mandatory).
• University degree in aeronautics, computer science, software engineering, mathematics or relevant science discipline.
• 5+ years’ commercial Space flight dynamics experience.
• Experience in using simulation software MATLAB or similar.
• Experience with Mission Analysis & requirements definition.

 Benefits:

• Competitive base salary
• Opportunity to work with a highly talented international team working on cutting-edge technology
• Flexible working around core hours
• Hybrid working available (dependent on individual role requirements)
• 25 days holiday (increasing yearly up to a maximum of 28 days) + 8 days Bank Holiday
• Life insurance and long-term sick pay
• Private healthcare (taxable benefit)

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

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

Their missions rely on powerful satellite simulators for validating and preparing the mission operations. They require a Senior Simulation Engineer to be instrumental in the future development of an innovative satellite servicing spacecraft by developing state-of-the-art simulators, with responsibilities across the whole lifecycle from design and development to testing and deployment.

Responsibilities for the Senior Simulation Engineer:

• Design, development, integration, validation, deployment and ongoing maintenance of spacecraft simulation software 
• Provide technical expertise as Subject Matter Expert regarding simulator development 
• Develop and integrate spacecraft simulation software based on client’s requirements  
• Validate, configure, and deploy simulation software
• Perform maintenance activities on simulators to ensure highest availability to users 

Experience required by the Senior Simulation Engineer: 

• University degree in Computer Science, Electronics, or other STEM discipline  
• Minimum 5+ years of space industry experience in modelling and simulation of digital electronics (processors, memory, FPGA) and interfaces/buses (CANBus, RS422, RS485, SpaceWire) 
• Minimum 5+ years of industry experience in software development using C/C++ , real-time software development, preferably using modelling and simulation technologies 
• Experience with SMP2 and SIMULUS Suite and/or other spacecraft simulation frameworks 
• Experience with an emulation suite, preferably ESOC Emulator Suite or TEMU 

Benefits

• Opportunity to work with a highly talented, diverse & dynamic international team with cutting edge technology
• Flexible working
• Hybrid working
• 25 days holiday + 8 days Bank Holiday
• Life insurance and long-term sick pay
• Private healthcare (taxable benefit)

If your skills and experience match this Senior Simulation 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 proud to be working with a growing company who empower satellites with next-gen agility and aim to become the leader in satellite attitude control by 2030. They are seeking an innovative Junior Space Systems Engineer to join our dynamic, multidimensional team. You’ll collaborate on cutting-edge projects, from motion control technologies to space mission innovations.

What They Offer:

• Opportunity to work with a passionate and diverse team
• A pivotal role in scalable space solutions
• Competitive salary and growth opportunities

Skills:

• Bachelors or Masters Degree within Space, Aerospace, Systems or Mechanical Engineering
• Knowledge of MATLAB and SOLIDWORKS

Who They Hire:

They hire people who are not averse to taking risks – they do not hold back their employees in any way when those risky initiatives fail. They don’t hire people for a specific task and will not hemmed in by role definition or organizational structure. Their team members are encouraged to test their own ideas and they are looking for people who don’t keep quiet when they disagree with something, people who get bored easily and need to discover and learn a lot. They aim at hiring people who are multidimensional, combining technical depth with business savvy and creative flair.

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