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Do you have a passion for designing and developing cutting-edge satellite constellations?

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 talented and experienced Senior System Engineer to join their team and leverage their expertise across all stages of design, development, and modelling to bring their groundbreaking system to life. 

Key Responsibilities for the Senior System Engineer –

• Collaborate with cross-functional teams to define the overall design, requirements, and specifications for the system, ensuring everything aligns with project goals and user needs.
• Own the design and development of critical areas like communication protocols, resource allocation, network access, management systems, service availability, regulations, and more. Optimise satellite power usage, resource efficiency, and spectrum management. Integrate various user terminals and define how the entire system will operate.
• Oversee the development of the Network Operating System by an external contractor. Manage requirements, monitor progress, and ensure proper testing and integration with the system.
• Provide technical guidance and support to junior engineers on the System Design team.
• Develop and maintain comprehensive documentation.
• Collaborate with the System Integration and Test team to plan how all the different parts of the system will be integrated and tested together.
• Identify and manage technical risks associated with the system design. Develop mitigation strategies and contingency plans to address any potential issues.
• Continuously contribute innovative ideas to improve the design and operation of the system.
• Keep up-to-date documentation and collaborate effectively with external partners, vendors, and stakeholders to ensure the project’s success.

Key Skills and Experience Required by the Senior System Engineer –

• Bachelor’s or master’s degree in electrical engineering, System Engineering, Aerospace Engineering, or a related field.
• Experience in satellite system architecture and design, with a minimum of 5 years in similar roles.
• 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.
• Highly collaborative team player who can quickly earn the confidence of co-workers and teammates.
• Strong leadership and communication skills.
• Demonstrated ability to communicate effectively with management, engineering teams and partners/suppliers.
• Experience with business considerations and practical limitations related to system design and implementation.
• Fluent in English, written and oral. French is an asset.

If your skills and experience match this Senior System 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 is making hugely positive contributions to the growing problem of orbital space debris.

Our partner is seeking a GNC Hardware Engineer to join their team and be responsible for developing the algorithms and simulations used in selecting, modelling, qualifying, and integrating the GNC sensors, actuators, and payloads used on the missions.

This opportunity offers a comprehensive benefits package, featuring visa sponsorship and relocation package.

Key Responsibilities for the GNC Hardware Engineer:

• Contribute to the GNC hardware trade-offs for missions.
• Contribute to the definition of the GNC subsystem V&V (Verification and Validation) plan.
• Perform GNC subsystem development testing with Engineering Model hardware.
• Contribute to the GNC subsystem/spacecraft integration planning and execution.
• Support GNC hardware environmental testing (e.g., vibration, thermal, vacuum and radiation).
• Support in-orbit operation as a member of the GNC team (e.g., analysis of GNC hardware performance, definition of commissioning plan for GNC hardware).
• Contribute to system-level activities, such as defining FMECA and FDIR processes.

Key Skills and Experience Required by the GNC Hardware Engineer:

• Degree in aerospace engineering or another relevant engineering/science discipline.
• Experience with hardware AIV (Assembly, Integration and Verification).
• Experience of Systems Engineering.
• Experience in one (or more) of the following –

• • Practical working knowledge of digital electronics relevant to a GNC system (communications protocols, satellite Command & Data Handling, digital integration to enable Hardware-in-the- Loop Testing etc.).
  • Experience with GNC sensors such as sun sensors, star tracker, IMU, magnetometers, and GNC actuators such as magnetometers and reaction wheels.
  • Experience with active optical sensors (e.g., Radar, Laser range finder, LiDAR) and cameras, including design of appropriate functional testing, calibration, and verification.

 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.

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

Holt Executive are partnered with a leading technology and engineering services company that supplies the space and satellite industry. Our partner is involved in a variety of projects ranging from designing and building spacecraft to managing launches and controlling satellites in orbit.

They require an Optical Systems Engineer to support the development of Earth observation (EO) programs and services for national and international organisations, using both operational and scientific data.

Key Responsibilities for the Optical Systems Engineer:

• Support services to ESA included within the Third Party and Heritage Mission element of the Instrument Data Quality Evaluation and Analysis service (IDEAS-QA4EO) and Earthnet Data Assessment Project (EDAP+).
• Interact with expert customers on mission data issues.
• Proactively identify and investigate data quality anomalies, ensuring the accuracy and reliability of Earth observation data.
• Research and provide comprehensive responses to user inquiries related to technical aspects of data analysis.
• Manage and update local quality control tools and scripts for optimal data processing.
• Develop and present posters, publications, and presentations at meetings and conferences.
• Undertake occasional on-site visits to customer locations.
• Contribute to the development of compelling technical proposals to expand business opportunities.

Key Skills and Experience Required by the Optical Systems Engineer:

• University degree/MSc (or equivalent) in Geography, Physics, Remote Sensing or a related discipline.
• Experience/Understanding, in either an industrial or academic setting –
  • Supporting operational processing systems for EO data (e.g. level ‘1’ to level ‘2’ and ‘level 3’ processing).
  • Working with Optical earth observation data specifically Landsat, Proba-1, JERS-1 and New Space missions (e.g. Planet).
  • Using and adapting tools for remote sensing data manipulation.

• Understanding of EO data processing levels.
• Understanding of instrument calibration principles (e.g. geometric, radiometric, spectral, etc).
• Data handling and manipulation.
• Technical document authoring.

Due to the nature of the business, all applicants must be eligible to work in the UK and all potential employees will undergo stringent reference and identity checks.
 
If your skills and experience match this Optical Systems Engineer opportunity, we encourage you to apply by sending your CV to info@holtexecutive.com 

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.

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

• Competitive base salary
• 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 currently partnered with a leading technology and engineering services company who supply the space and satellite industry and are involved in a variety of projects, ranging from design and development of space systems to management of launch services and in-orbit satellite control.

Our partner is seeking a Senior SATCOM Systems Engineer to provide technical and commercial expertise to their clients.

The Senior SATCOM Systems Engineer will be responsible for tackling a variety of interesting and challenging engineering tasks on advanced satellite communication networks and supported communications services.

The successful Senior SATCOM Systems Engineer will require a strong foundation of knowledge and experience in systems engineering and be able to demonstrate experience in some (or many) of the following skills, experience, and responsibilities.

Key Responsibilities for the Senior SATCOM Systems Engineer:

• Have good customer-facing skills with the ability to produce and present clear, concise presentations to build strong relationships with clients.
• Be able to identify key issues, develop solutions, and navigate daily challenges with a strategic mindset.
• Proven ability to develop creative solutions that solve complex problems.

Key Skills and Experience for the Senior SATCOM Systems Engineer:

• Minimum of 5-10 years relevant experience.
• Graduate with Honours or master’s degree in a relevant subject (e.g., Space System Engineering, Electronics, Communications); equivalent qualifications and/or experience can be considered.
• Experience in SATCOM systems engineering with a knowledge of system design, ground segment design, satellite operations and payload engineering.
• Experience in IP networking, protocols, and security of data.
• Strong practical knowledge of systems engineering practices from requirements engineering through design/development and on to VV&T.
• Experience in developing requirements systems design documentation, test plans and procedures and operational procedures.
• Knowledge of software development environments, languages, and methodologies.

Company Benefits – Competitive package, including:

• Annual Bonus (discretionary)
• Private healthcare
• Excellent pension
• Generous holiday allowance
• Open hybrid working environment (one day every month on-site in Bedfordshire)

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

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

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 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.

Our partner 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.

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:

• Competitive base salary
• 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 to info@holtexecutive.com 
 

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 Bid Manager/Bid Engineer to focus on Space Situational Awareness activities, developing bids, securing funding, and supporting a number of BD-related areas including proposal production.

This role would suit someone with past experience in bids or sales, ideally in the spacecraft sector or in complex engineering services or products, who wishes to grow responsibility in the space BD area.  

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 Bid Manager/Bid Engineer:

• Take responsibility for managing and coordinating entire bids, or parts of bids as required, through the bid process from call opening all the way to bid submission.
• Control overall production of the bid volumes to ensure delivery on schedule.
• Control bid finances, working with finance team and external partners.
• Coordinating partner inputs (scope, finances), with procurement team.
• Support SSA programmes and studies.

Experience required by the Bid Manager/Bid Engineer:

• Ability to be SC cleared.
• 1-4 years’ experience working in bid management in the space industry.
• An excellent “sales / marketing style” in bid production which can be used to convey the selling points of the business, and to construct competitive but deliverable bids and commercial proposals.
• Experience of working on bids of various different sizes, from 1 to 2 pager propositions for expressions of interest, to small R&D bids, to larger mission / service proposals of hundreds of pages.

Benefits:

• Competitive base salary
• Opportunity to work with a highly talented, diverse & dynamic international team with cutting edge technology
• Flexible working around core hours
• Hybrid working
• 9 day working fortnight (opt in/out)
• 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

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

Holt Executive is 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.

Our partner is seeking a talented real-time embedded software engineer to join their team as a Flight Software Verification & Validation Engineer.

The Flight Software Verification & Validation Engineer will play a critical role in verifying and validating the real-time software for revolutionary orbital debris missions. This is your chance to be at the forefront of space exploration and contribute to a cleaner, safer future for our planet.

Key Responsibilities for the Flight Software Verification & Validation Engineer:

• Conduct rigorous flight software verification, validation, and integration to ensure flawless performance.
• Develop, maintain, and implement comprehensive plans for thorough flight software testing.
• Set up and manage diverse testing platforms to rigorously evaluate software functionality.
• Support all testing phases, including non-functional and automated regression testing, to identify and address potential issues.
• Find and implement the best test equipment and techniques to maximize flight software testing effectiveness.
• Co-ordinate with other teams at sub-system and system level to identify test and integration needs.
• Actively participate in mission system test and simulation campaigns.
• Facilitate knowledge transfer within the business, sharing your expertise and contributing to projects across the organization.

Key Skills & Experience required by the Flight Software Verification & Validation Engineer:

• Possess a bachelor’s or master’s degree in computer science, software engineering, or a relevant engineering/science discipline.
• 2+ years of experience in developing real-time embedded systems using C/C++.
• Demonstrate 2-3 years of experience in verifying and validating real-time systems.
• Have a proven record of creating test scripts and automated tests, with knowledge of scripting languages.
• Possess solid understanding of software development methodologies and embedded software engineering.
• Experience in implementing real-time systems and software.
• Have experience in effectively executing test plans.
• Experience with Python programming is advantageous.

 
Company 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)
• 9-day working fortnight
• 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 Flight Software Verification & Validation 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 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 Spacecraft Systems Engineer – Space Sustainability to develop spacecraft mission and system design, taking the lead on certain aspects of project work which involves developing scalable solutions across the spectrum of satellite in-orbit servicing, space situational awareness, end of life and active debris removal.

The company offer Hybrid working with a requirement to be on site (Oxford) two days per week, along with a competitive salary and benefits.

Responsibilities for the Senior Spacecraft Systems Engineer – Space Sustainability:
• Development of spacecraft mission and system design including requirements derivation and CONOPS definition.
• Performing mission analysis and modelling of spacecraft missions.
• Production of mission-level test and verification plans.
• Performing feasibility studies into different scenarios and architectures.
• Assisting with bid work, providing technical solutions and documentation.
• Maintaining configuration control of systems work and documentation.
• Working with and guiding a multi-disciplined team in the delivery of projects.
• Assist with writing bids, developing and analysing designs during early phases and then continuing that support into the testing phase with AIT.
• Once a mission is launched, assistance with in-orbit commissioning of satellites support for the spacecraft operations team.

Required Experience and Qualifications for the Senior Spacecraft Systems Engineer – Space Sustainability:
• Diploma; bachelor or master’s degree in systems engineering, electrical engineering or another relevant discipline.
• At least 10+ years of commercial experience in a Systems Engineering role for satellite platform architecture.
• Knowledge of the systems and project engineering lifecycle from requirements definition through to verification.
• Experience in mission and systems architecture definition, especially understanding of both space and ground segment interaction.
• Good knowledge of a range of subsystems & engineering teams including: GNC (AOCS, ADCS), astrodynamics, C&DH / OBDH, EPS, RCS (propulsion), COM (communications), software, ground segment & operations.
• Experience in the development of systems engineering documentation working with a Project Manager as needed: requirements, CONOPS, review gate materials, test and verification plans / procedures, DDVP, ICDs, equipment lists, FMECA & FTAs
• Awareness of the AIT process: manufacture, assembly, functional and environmental testing.
• Knowledge of commonly used engineering and modelling packages (e.g. ModelSim, Matlab, STK) and/or coding and scripting languages (e.g. Python)

Benefits
• Competitive base salary
• Opportunity to work with a highly talented, diverse & dynamic international team with cutting edge technology
• Flexible working around core hours
• Hybrid working
• 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 Spacecraft Systems Engineer – Space Sustainability opportunity, we encourage you to apply by sending your CV to info@holtexecutive.com 

Holt Executive has partnered with a leader in nanosatellites manufacturing and operation, to provide custom communication solutions for their clients.

Our partner is seeking a Mechanical Design Engineer to join their team and play a crucial role in leading the creation, development, and testing of critical mechanical systems for nano and microsatellites. 

You will collaborate with a talented, multidisciplinary team to ensure seamless integration of these systems into their innovative satellite platforms.

Key Responsibilities for the Mechanical Design Engineer:

• Design and develop mechanical systems and components for nanosatellites and microsatellites, including structures, mechanisms, and thermal control systems.
• Conduct feasibility studies and technical assessments to evaluate design concepts and propose innovative solutions.
• Generate detailed engineering drawings, specifications, and documentation for manufacturing and assembly.
• Perform structural and thermal analyses using Finite Element Analysis (FEA) tools to validate designs and ensure compliance with performance requirements.
• Collaborate with electrical, software, and systems engineers to integrate mechanical components into satellite platforms.
• Support the manufacturing, assembly, and testing of mechanical systems, including participation in prototype builds and environmental testing campaigns.
• Continuously optimize designs for manufacturability, cost-effectiveness, and reliability.
• Stay abreast of industry trends, emerging technologies, and best practices in mechanical design for small satellites.

Key Skills and Experience for the Mechanical Design Engineer:

• Bachelor’s degree in mechanical engineering or related field; master’s degree preferred.
• Proven experience in mechanical design and analysis, preferably in the aerospace or satellite industry.
• Proficiency in Computer-Aided Design (CAD) software such as SolidWorks, or similar tools.
• Solid experience with Product Data Management (PDM).
• Strong understanding of structural mechanics, materials science, and thermal management principles.
• Experience with Finite Element Analysis (FEA) software for static and dynamics structural and thermal simulations, Comsol Multiphysics preferred.
• Knowledge of manufacturing processes for precision components, including additive manufacturing and CNC machining.
• Ability to work effectively in a fast-paced, collaborative environment with multidisciplinary teams.
• Excellent communication skills and ability to convey complex technical concepts to diverse stakeholders.
• Strong problem-solving skills and diligence.
• Previous experience from the space-industry is an advantage but not a requirement.
• Experience in Python or MATLAB is an added value.
• Be comfortable with mixed tasks with various stakeholders, and able to change focus and type of work, e.g., design tasks and analysis.

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