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Holt Executive are currently partnered with a global leader in Space Sustainability, a dynamic and rapidly growing technology and engineering innovator who are making hugely positive contributions to tackle the growing problem of space debris, making space and our orbits safer for future generations.

They require a Senior Mission Database Engineer to be responsible for leading the design, development, and optimization of the Satellite Reference Database (SRDB) for future missions.

In this role, you will be responsible for maintaining and enhancing the database infrastructure that stores and manages critical mission data. You will closely collaborate with various stakeholders, such as satellite operations, ground segment, flight software and other engineering teams, to further evolve the SRDB to efficiently support several key aspects such as Satellite development, testing, planning, management and operations.

This role will help the team make a difference every day, by ensuring the team is well placed to drive missions forward, helping to make space safer and more sustainable for future generations.
 

Responsibilities for the Senior Mission Database Engineer:

• Database Architecture & Design: Lead the architecture and deployment of robust SRDB solutions, ensuring high availability, scalability, and reliability for mission-critical satellite data.
• Support Software Engineers: Collaborate with and support software engineers in the development of SRDB solutions, providing expertise and guidance to ensure seamless integration and functionality.
• Data Integration & Management: Oversee the automated ingestion process and management of satellite telemetry, telecommand, and related mission data in the SRDB as well as generation of output data products.
• Mission Information Base Generation: Develop and manage processes for generating the Mission Information Base (MIB) from the SRDB that is compatible with the MCS (SCOS 2000).
• Leadership & Mentorship: Build and lead a database engineering team, providing technical leadership, mentoring junior engineers, and ensuring alignment with project goals.
• Automation & Innovation: Lead automation efforts to streamline the processing, ingestion, and analysis of satellite data, enhancing efficiency in database operations.
• Stakeholder Collaboration: Work closely with Systems, Ground Segment, Flight Software, AIV and Operations teams to ensure that the SRDB supports all required mission data and functionality through all phases of the mission.
• Verification & Validation: Implement processes to ensure data validity, tool validation, consistency and quality of SRDB content.
• Documentation & Reporting: Maintain comprehensive documentation for SRDB systems, data processes, and tools.

 
Experience required by the Senior Mission Database Engineer:

• Bachelor, master’s degree or PhD in computer science, aerospace engineering or relevant engineering / science discipline.
• 8+ years’ of spacecraft database engineering, or related field, previous experience within spacecraft operations/analysis would also be an advantage.
• Proven experience with large-scale database systems and managing satellite or telemetry-related data.
• Experience in generating mission-critical data outputs, such as a Mission Information Base.
• Experience with industry standards, processes, protocols for spacecraft communications, such as CCSDS & PUS.
• Solid understanding of satellite telemetry and telecommand packet structures (TM/TC) and its use of its systems controls e.g SCOS-2000.

 
Benefits

• 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 Senior Mission Database Engineer opportunity, we encourage you to apply now!

Holt Executive is proud to partner with a leading company in the aerospace industry based in Brighton, which specialises in high-performance electro-mechanical systems and advanced pneumatic technology. They focus on developing innovative solutions for airborne weapon carriage and release systems within the Mission Avionics and Release Systems sectors.

They are seeking a Mechanical Inspector to be responsible for inspecting precision components from in-house manufacturing and assembly, as well as from subcontractors and suppliers. You will create and run CMM programs using PC-DMIS for both new and legacy components, ensuring accuracy and quality. Additionally, you will develop and update CMM setup and operation instructions for new and modified programs to maintain high standards throughout the processes.

Key Responsibilities for the Mechanical Inspector:

• Inspect precision components from internal manufacturing and assembly, as well as from subcontractors and suppliers.
• Develop, prove out, and execute CMM programs using PC-DMIS for both new and existing components.
• Create and update setup and operation instructions for CMM programs, including adjustments for modified programs.
• Conduct first-off inspections.
• Perform First Article Inspection (FAI) reporting for single-level parts and complex multi-level assemblies.
• Update and maintain all documentation related to inspection procedures.
• Communicate with subcontractors and suppliers as needed.
• Conduct source inspections, including Vendor Assessment Surveys (VAS) at supplier locations.
• Perform patrol inspections of manufacturing areas to ensure ongoing compliance.
• Raise Non-Conformance Reports (NCRs) and prepare dimensional reports as required.
• Carry out calibration duties, including calibrating mechanical and electrical equipment and managing related quotations and purchase orders, with full training provided for these tasks.

 
Key Skills and Experience Required by the Mechanical Inspector:

• A recognised Mechanical qualification and previous relevant experience of mechanical inspection.
• Experience & understanding of different inspection techniques.
• Experience in using precision measuring equipment.
• Good working knowledge & experience of ISO 9001:2001 and ideally AS9100 Rev D.
• Manufacturing experience (mechanical).
• Ability to interpret Engineering Drawings.
• Ability to interpret engineering drawing tolerancing including Geometric Tolerancing.
• CMM programming & operation preferably with experience using PC-DMIS software.

 
Company Benefits:

• Half-day finish on a Friday.
• 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days.
• Private medical insurance with optional family cover.
• Pension scheme of up to 7% employer contribution.
• Life Assurance 4x salary (flexible up to 10x).
• Group income protection.
• Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover and cycle-to-work scheme.
• Employee assistance program providing mental health and wellbeing support.

 
Security Clearance Requirements:

Due to the nature of our work, many roles require UK nationality and the ability to obtain security clearance. Applicants must also have the right to work in the UK to be eligible for employment.

If your skills and experience match this exciting Mechanical Inspector opportunity, we encourage you to apply now!

Holt Executive is supporting a global leader that designs and manufactures high-performance imaging sensors, and electronics and develops groundbreaking technology for space exploration.

Our client is seeking a Senior FPGA Engineer to join their highly successful team to focus on FPGA development, verification and release processes in line with ECSS standards and requirements, and to ensure those processes are followed throughout the life cycle of the product 

Key Responsibilities for the Senior FPGA Engineer:

• Drive FPGA development, verification, and release processes in compliance with ECSS standards and requirements.
• Ensure adherence to FPGA development processes throughout the product lifecycle.
• Oversee the creation and delivery of FPGA documentation to ensure compliance with ECSS standards.
• Conduct review processes, including source code reviews, to validate compliance.
• Develop a thorough understanding of FEE operation to create test plans and procedures.
• Generate and execute test plans to ensure FPGA deliveries meet customer and internal requirements.
• Participate in hands-on testing and verification of FPGA deliverables.
• Provide ECSS knowledge and guidance to the Product Assurance engineer.
• Act as the primary interface between FPGA engineering and Product Assurance.

Key Skills & Experience for the Senior FPGA Engineer:

• Knowledge of development standards used in Space, Aerospace, or Defence. Preferably ECSS-Q-ST-60-03C and ECSS-E-ST-20-40C.
• Previous experience of ensuring compliance across the full FPGA development life cycle.
• Verifying robust high reliability coding.
• Developing FPGA verification and validation plans and quality assurance procedures.
• Experience with version control software such as subversion.
• Experience of requirements managements using software tools such as Jama.
• Experience with issue tracking software such as Redmine or Jira.
• Previous experience developing VHDL FPGA code and using FPGA simulation tools and UVVM testbenches.
• Experience writing verification and validation plans.
• Methodical approach to verification testing and recording of results.

If your skills and experience match this Senior FPGA Engineer opportunity, we encourage you to apply by sending your CV to peter.kimber@holtexecutive.com 

Technician – Join the Future of Space Technology – Luxembourg

Are you detail-oriented, skilled with advanced optical systems, and excited about contributing to groundbreaking innovations in space technology? We are seeking a dedicated Technician to support the development and testing of our clients cutting-edge free-space optical communication systems. 

Key Responsibilities

• Testing & Validation: Assist in testing and validating free-space optical communication terminals in collaboration with the engineering team.
• System Integration: Perform assembly, integration, and testing of communication terminals with precision and accuracy.
• Technical Support: Contribute to the design, manufacturing, and testing of ground support equipment.
• Procedural Development: Assist in creating detailed assembly and testing procedures.
• Documentation: Prepare comprehensive documentation for technical reviews and reporting.

What They’re Looking For

• Education & Experience: Bachelor’s degree in a relevant engineering field and at least 3 years of experience.
• Technical Expertise: Hands-on experience with optical or photonic systems, laboratory equipment, laser safety, and cleanroom environments.
• Production Knowledge: Familiarity with production processes, especially in the space industry, is highly valued.
• Adaptability with Tools: Proficiency in Microsoft Office Suite and Teams, or the ability to learn quickly.
• Communication Skills: Outstanding verbal and written communication skills in English, with great interpersonal abilities.
• Documentation Skills: Proven experience in writing high-quality technical documentation.
• Team Player: Reliable, detail-oriented, and a collaborative team member who is fun to work with.
• Citizenship Requirement: Must hold citizenship from a member state of both the EU and NATO.

What We Offer

• Competitive Compensation: Includes a stock options plan, letting you share in our success.
• Generous Paid Time Off: Enjoy 40 days of paid holidays (29 annual leave days + 11 public holidays) to maintain work-life balance.
• Daily Perks: Lunch vouchers to support your day-to-day convenience.
• Professional Growth: Access to training, conferences, and continuous learning opportunities.
• Relocation Assistance: Comprehensive support for relocation, ensuring a smooth transition.
• Cultural & Fitness Activities: Free language courses and sports programs for a balanced and healthy lifestyle.
• Flexible Work Environment: Flexible working hours.

Ready to Join? If you’re passionate about precision, thrive in a collaborative environment, and want to contribute to advancing space technology, we’d love to hear from you!

Apply now and be part of their mission to innovate and explore.

Senior Stress Analysis Engineer Holt Executive are seeking an experienced and motivated Senior Stress Analysis Engineer with a strong background in space, aerospace, or other technical industries to join our client in the UK.

This is a fantastic opportunity to become part of a friendly, skilled, and welcoming team within a dynamic and rapidly growing organization. As a member of the analysis team, you will play a key role in structural analysis, contribute to project work, and support design activities.

Your technical expertise will guide project teams in defining, developing, testing, and operating spacecraft for our missions. You will collaborate closely with multidisciplinary engineering teams and suppliers globally.

This position allows you to make a meaningful impact by addressing the growing challenge of orbital debris and contributing to the sustainability of space as a resource.

Responsibilities

• Conduct stress and structural analysis at spacecraft, subsystem, and equipment levels.
• Evaluate analysis and test data to support the qualification of spacecraft and ground support structures.
• Ensure the structural integrity of prototype and flight components throughout the load cycle.
• Develop test predictions to support static and dynamic testing efforts.
• Provide design recommendations and communicate effectively with the Design Team and other subsystems.
• Prepare, review, and present analysis work and conclusions to stakeholders.
• Document all analysis work thoroughly, ensuring outputs are organized, trackable, traceable, and repeatable.
• Peer-review analysis performed by team members.
• Deliver work to agreed timelines and standards to meet mission objectives.

Essential Skills

• 3 to 5 years of experience in stress and structural analysis within the space industry.
• Expertise in structural calculations for metallics, sandwich panels, inserts, and bolted joints, following established standards and handbooks.
• Skilled in creating, checking, and maintaining Finite Element Models at spacecraft and component levels.
• Proficiency in static analysis, frequency response, random vibration, and shock analysis.
• Experience using FEA software packages such as NASTRAN, Hyperworks, Femap, Abaqus, or Ansys.
• Ability to process large datasets with automation tools such as VBA or Python.
• Strong documentation and presentation skills to communicate analysis processes and conclusions.
• Capable of presenting and justifying work to peers and stakeholders.
• Behaviors aligning with values such as transparency, innovation, diversity, and customer focus.

Desirable Skills

• Experience with CAD tools like SolidWorks and PDM.
• Familiarity with ECSS and NASA standards, guidance, and handbooks.
• Understanding of the spacecraft product development lifecycle.
• Proactive, self-starting approach with strong organizational skills.
• Sound engineering judgment with the ability to provide expert guidance on structural issues.
• Proven experience in managing accountability for project deliverables.
• Effective communication and stakeholder engagement abilities.

Benefits

• Competitive base salary.
• Opportunity to work with a talented, diverse, and dynamic international team using cutting-edge technology.
• Flexible working arrangements in a friendly and supportive environment.
• Hybrid working options (role-dependent).
• 25 days annual leave (increasing to 28 days) plus 8 bank holidays.
• Optional 9/75 work schedule.
• Life insurance and long-term sick pay.
• Private healthcare (taxable benefit).
• Relocation allowance and visa sponsorship available.
• Access to a new state-of-the-art office and cleanroom facility.
• Regular social events.

Senior Stress Analysis Engineer Holt Executive are seeking an experienced and motivated Senior Stress Analysis Engineer with a strong background in space, aerospace, or other technical industries to join our client in the UK.

This is a fantastic opportunity to become part of a friendly, skilled, and welcoming team within a dynamic and rapidly growing organization. As a member of the analysis team, you will play a key role in structural analysis, contribute to project work, and support design activities.

Your technical expertise will guide project teams in defining, developing, testing, and operating spacecraft for our missions. You will collaborate closely with multidisciplinary engineering teams and suppliers globally.

This position allows you to make a meaningful impact by addressing the growing challenge of orbital debris and contributing to the sustainability of space as a resource.

Responsibilities

• Conduct stress and structural analysis at spacecraft, subsystem, and equipment levels.
• Evaluate analysis and test data to support the qualification of spacecraft and ground support structures.
• Ensure the structural integrity of prototype and flight components throughout the load cycle.
• Develop test predictions to support static and dynamic testing efforts.
• Provide design recommendations and communicate effectively with the Design Team and other subsystems.
• Prepare, review, and present analysis work and conclusions to stakeholders.
• Document all analysis work thoroughly, ensuring outputs are organized, trackable, traceable, and repeatable.
• Peer-review analysis performed by team members.
• Deliver work to agreed timelines and standards to meet mission objectives.

Essential Skills

• 3 to 5 years of experience in stress and structural analysis within the space industry.
• Expertise in structural calculations for metallics, sandwich panels, inserts, and bolted joints, following established standards and handbooks.
• Skilled in creating, checking, and maintaining Finite Element Models at spacecraft and component levels.
• Proficiency in static analysis, frequency response, random vibration, and shock analysis.
• Experience using FEA software packages such as NASTRAN, Hyperworks, Femap, Abaqus, or Ansys.
• Ability to process large datasets with automation tools such as VBA or Python.
• Strong documentation and presentation skills to communicate analysis processes and conclusions.
• Capable of presenting and justifying work to peers and stakeholders.
• Behaviors aligning with values such as transparency, innovation, diversity, and customer focus.

Desirable Skills

• Experience with CAD tools like SolidWorks and PDM.
• Familiarity with ECSS and NASA standards, guidance, and handbooks.
• Understanding of the spacecraft product development lifecycle.
• Proactive, self-starting approach with strong organizational skills.
• Sound engineering judgment with the ability to provide expert guidance on structural issues.
• Proven experience in managing accountability for project deliverables.
• Effective communication and stakeholder engagement abilities.

Benefits

• Competitive base salary.
• Opportunity to work with a talented, diverse, and dynamic international team using cutting-edge technology.
• Flexible working arrangements in a friendly and supportive environment.
• Hybrid working options (role-dependent).
• 25 days annual leave (increasing to 28 days) plus 8 bank holidays.
• Optional 9/75 work schedule.
• Life insurance and long-term sick pay.
• Private healthcare (taxable benefit).
• Relocation allowance and visa sponsorship available.
• Access to a new state-of-the-art office and cleanroom facility.
• Regular social events.

Software Engineer (Full Stack Technical Leader)

Ready to Take Your Career Beyond the Stratosphere?
If the mysteries of space and cutting-edge technology ignite your passion, this is your chance to reach new heights!
A premier Belgian space systems and software engineering company, trusted by space agencies, top aerospace organizations, EU institutions, and commercial enterprises. With over 50 space missions under their belt, their innovative IT solutions have helped unlock the secrets of the universe and advance our understanding of Earth.

What They Do:

• Design end-to-end space systems, including mission control centers, onboard software, and satellite simulators.
• Provide advanced space data access and geospatial decision-support tools for environmental and resource management.

Your Mission:
Join their Mission & Control Business Unit in Belgium as a Software Engineer (Full Stack Technical Leader). You’ll play a key role in creating cutting-edge software solutions that enable seamless communication between satellites and control centers.

Your Responsibilities:

• Collaborate with clients to understand and address their specific needs.
• Design and implement robust software architectures.
• Develop front-end and back-end components using modern tools and technologies like Java, Angular, Spring Boot, Docker, and Kubernetes.
• Validate software systems and lead client acceptance processes.
• Deploy solutions to space agency and customer sites.
• Work in an Agile team, sharing knowledge and coordinating efforts with team members, clients, and subcontractors.

Your Profile:

• Education: Master’s degree preferred, or a Bachelor’s degree with 5+ years of experience in computer sciences, engineering, or a related field.
• Experience: Strong track record as a software engineer or developer.
• Skills: Proficiency in both front-end and back-end development (Java and Python expertise is a must).
• Language: Solid technical English skills.
• Passion: Enthusiastic about the space sector.

Extra Qualities They Value:

• Creative problem-solving and a solutions-driven mindset.
• Strong teamwork and communication abilities.
• A thirst for learning and improving technical expertise.
• Attention to detail and a commitment to quality.
• Leadership skills to manage both technical challenges and team dynamics.

What They Offer:

• A permanent role in an exciting and innovative environment.
• A competitive salary aligned with your experience.
• Flexibility to work from home up to 2 days a week.
• Opportunities to work on groundbreaking projects with the latest technologies.
• A collaborative culture that values knowledge-sharing.
• Fun team-building activities and social events.
• Access to specialized training in the space industry.

Are You Ready to Launch?
If you’re eager to propel your software engineering career to new frontiers and contribute to groundbreaking space missions, we want to hear from you!

Holt Executive are partnered with a prominent aviation technology pioneer, providing market-leading products to some of the biggest names in commercial aviation.

Our partner is seeking UK CAA Licensed CAT A, B1 OR B2 Aircraft Engineers on a permanent basis to join their team at Heathrow. 

The UK CAA Licensed CAT A, B1 OR B2 Aircraft Engineers will leverage their expertise to perform comprehensive aircraft maintenance, both inside and outside the cabin. This includes maintaining In-Flight Entertainment Systems and ensuring all modifications comply with strict UK CAA regulations.

Salary – Upto £62.9k depending on license type + £5k to £8k towards license maintenance + £6150 shift allowance. 

Key Responsibilities for the UK CAA Licensed CAT A, B1 OR B2 Aircraft Engineers:

• Perform built-in test (BIT) and manual test of IFE systems.
• Troubleshoot electronic units, cabling or seat consoles in which failures occur down to the line replaceable modules, using knowledge of electronic theory.
• Identify necessary repairs to restore functional acceptance, which may require replacing defective line replaceable modules and/or cabling.
• Perform maintenance checks on Customer aircraft for various airlines.
• Operate a vehicle on airport property and around aircraft.
• Operate airline communications equipment.
• Communicate and interface with customers.
• Document the testing and repairs using computer and bar-coding equipment.
• Assist in tracking the spare inventory.
• Perform other related duties as assigned by immediate supervisor or upper management.

 Key Skills and Experience Required by the UK CAA Licensed CAT A, B1 OR B2 Aircraft Engineers:   

• Licenses: Must have an A or B1 or B2 license with a Type Rating on (A380, A350, A330, A320, 787, 777, 767)
• Must be able to pass a 5-year background check, extensive security and reference checks for Airside access.
• Must be eligible to live and work in the UK.
• Must have a valid driver’s license.
• General knowledge of fundamental electrical Engineer or related experience acquired through commercial aviation, military experience or technical school education is highly preferred, but not required.
• IFE or avionics experience is highly preferred, but not essential.
• Must have the ability to climb and work from a ladder or platform, and endure sitting, standing, bending or twisting for extended periods.
• Must have the ability to lift up to 50 pounds.
• Ability to operate under extreme weather conditions and in confined spaces for extended periods.
• Ability to read, comprehend and follow instructions, procedures, blueprints, diagrams, and manuals and to comprehend and follow verbal instructions in English.
• Proficient in MS Office Suite.

If your skills and experience match this UK CAA Licensed CAT A, B1 OR B2 Aircraft Engineers opportunity, we encourage you to apply by sending your CV to info@holtexecutive.com 

Holt Executive are partnered with a leading technology innovator in search of an Engineering Delivery Manager. This newly created role is vital for driving success by leading multi-disciplinary teams in the delivery of innovative products and services for state-of-the-art technology.
 
As the Engineering Delivery Manager, you will need to come with proven experience in managing large engineering teams with a passion and drive to succeed at every milestone.  Overseeing complex work packages, ensuring that projects are delivered on time, to specification, and in compliance with industry standards. Your leadership, technical governance and programme management will be pivotal in shaping the business growth throughout 2025 and beyond.
 
Key Responsibilities for the Engineering Delivery Manager:
 

• Lead and manage cross-functional teams, including software, hardware and systems engineers to deliver high-quality products and services.
• Act as the primary owner of work packages ensuring scope, schedule, budget, and quality are aligned with project goals.
• Implement technical governance frameworks, ensuring compliance with aerospace industry standards and best practices.
• Collaborate with internal stakeholders and external customers to ensure alignment on project objectives, milestones, and deliverables.
• Drive risk management processes, identifying and mitigating risks throughout the project lifecycle.
• Ensure the delivery of products and services meets the regulatory and quality standards critical to the aerospace industry

 
Key Skills & Essential Experience for the Engineering Delivery Manager:
 

• Proven experience as an Engineering Work Package Owner/Delivery Manager, Project Manager or Technical Lead in engineering/ manufacturing industries.
• Knowledge of aerospace standards and experience in ensuring compliance with these standards.
• Strong track record of leading multi-disciplinary teams to deliver complex projects on time and within budget.
• Excellent engineering project management and technical governance skills, with the ability to manage risks and drive teams to achieve challenging goals.
• Exceptional communication and stakeholder management skills, with experience reporting to senior leadership and engaging with customers.

 
 
If your skills and experience match this Engineering Delivery Manager 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. They are now developing a LEO constellation that will revolutionize global broadband connectivity for enterprise.
 
Our partner is seeking a Modem Specialist to play a vital role in the design and development of user terminals and modems. 
 
Key Responsibilities for the Modem Specialist:

• Responsible for the development and optmization of architecures relating to user terminals/modems to ensure that cost, performance, and reliability objectives are met.
• Lead the discussion on trade-offs with performance, network features, and service performance.
• Involvment with integration of the modem with other components, working with FPGA, RF, Software, and Hardware engineering.
• Developing and implementing signal processing algorithms, covering modulation, demodulation, error correction, and data compression.
• Analyze modem designs, perfomrance analysis, test review data and link budget analysis.
• Ensure compliance is met with relevant industry standards.
• Leading the development and testing of prototypes.
• Interfacing with third-party vendors, manufacturers, and a cross-functional engineering and product team.   

Key Skills & Experience for the Modem Specialist: 

• A degree in Electrical Engineering, Telecommunications, Computer Science, or a related field.
• More than 5 years of experience in satellite communication (SATCOM) systems, modem design, and ideally FPGA design and signal processing.
• Knowledge of digital communication systems.
• Proficiency with MATLAB, Simulink, or similar.
• Experience with DSP programming is a plus.
• Experience with making trade-offs between performance and cost at the component and the system level.
• Experience with the full lifecycle of embedded hardware designs – from inception, design, production, and fielding.

 
The successful candidate must be able to work in Canada and obtain Reliability Clearance.

This opportunity offers a hybrid work model with 4 days in the office per week and occasional travel is anticipated.
 
If your skills and experience match this Modem Specialist opportunity, we encourage you to apply now!