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Job Title: Product Assurance Manager
Location: Harwell, UK (Hybrid Working Available)

Are you passionate about space exploration and ensuring the highest quality in cutting-edge aerospace technology?

We are seeking an experienced Product Assurance Manager to join a dynamic and innovative team developing solutions for space sustainability. This role is crucial for ensuring that all products meet the highest standards of safety, reliability, and quality throughout the lifecycle of groundbreaking space missions.

Key Responsibilities:

• Lead the development and implementation of Product Assurance (PA) plans for space projects.
• Oversee quality assurance, safety, and risk management processes.
• Ensure compliance with industry standards, such as ECSS and ISO.
• Collaborate with engineering, operations, and project management teams to ensure effective product delivery.
• Conduct audits, reviews, and inspections of processes and deliverables.
• Manage non-conformances and ensure corrective actions are implemented effectively.
• Provide PA expertise and guidance to internal teams and external stakeholders.
• Support test campaigns to ensure product integrity and reliability.

What You Bring:

• Proven experience in Product Assurance within the space, aerospace, or high-tech industries.
• Strong knowledge of ECSS standards and PA processes.
• Familiarity with mission-critical systems and the end-to-end product lifecycle.
• Excellent problem-solving skills and attention to detail.
• Strong communication skills to liaise with multidisciplinary teams and external partners.
• A proactive and collaborative mindset with a passion for innovation.

Why Join Us?

• Be part of a forward-thinking team working on transformative space missions.
• Competitive salary and comprehensive benefits package.
• Hybrid working options and a supportive, inclusive environment.
• Opportunities for personal and professional development in a rapidly growing industry.

If you’re ready to take on a challenging and rewarding role in the space sector, we’d love to hear from you!

Apply now and help shape the future of sustainable space exploration.

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.
 
We have an exciting opportunity for a Satellite Payload Engineer to play a crucial role in the successful development, qualification, and performance of spacecraft hardware for the constellation.
 
Key Responsibilities for the Satellite Payload Engineer:

• Working closely with the wider payload team, you will build your knowledge of the responsibilities of a payload engineer.
• Supporting with the development, qualification, and performance of the hardware to ensure that it meets the program requirements.
• Monitor the spacecraft and payload unit design activities to ensure that the services and deliveries meet all technical requirements.
• Participate in payload integration and testing activities.
• Support through the working with cross-functional teams the resolution of design, production, or test issues.
• Evaluate technical analyses presented by the spacecraft supplier.
• Analyzing design and test/production data and actively participating in various meetings with the spacecraft manufacturer and other suppliers.
• Supporting payload In-Orbit Testing (IOT) and commissioning activities.
• Preparing presentations and regular status reports.

Key Skills & Experience Required by the Satellite Payload Engineer:

• A degree in Electrical or Aerospace Engineering (or equivalent).
• 1-3 years of relevant work experience (space industry experience preferred, but not mandatory).
• Knowledge of active and passive RF component design (transmission lines/waveguides, filters, antennas, amplifiers, etc.).
• Knowledge of electronic circuit design, processors and digital communication (digital to analog & analog to digital conversion, encoding/decoding, modulation/demodulation schemes, etc.).
• Some familiarity with manufacturing & testing of RF/digital components.
• Some knowledge of optical communications an asset (optical fibers, lasers, detectors, etc.)
• Some knowledge of network components and protocols an asset (ethernet, routing fundamentals, etc.)
• Technical expertise supported by strong organizational and planning skills.
• Technical, presentation, interpersonal and communication skills (verbal and written).
• Experience with, or a willingness to learn how to use collaborative software such as Jira, Confluence & Jama.
• Familiarity with MathWorks MATLAB.

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 Satellite Payload Engineer opportunity, we encourage you to apply by sending your CV now!

”

Senior Program Lead / Manager – Satellite Communication Systems

Holt Executive are actively partnered with one of the largest and most innovative Satellite / Space companies globally to support a crucial Senior Program Lead / Manager – Satellite Communication Systems expert.

The Senior Program Lead/ Manager – Satellite Communication Systems will join the development team responsible for working with outside technology vendors providing solutions for their partners missions. The position will report directly to the Senior Director of Program Management. This position requires a strong program manager with proven experience in the development of Satellite hardware & software products.

Main Responsibilities for the Senior Program Lead / Manager – Satellite Communication Systems:

• Manage third-party type approval programs including aviation and government integrators and report on their progress. 
• Responsible for the planning and execution of multiple vendor programs by managing the scope (contract, statement-of-work, work-breakdown-structure, monthly executive reporting) requirements, schedule, milestones, risks, opportunities and budget. 
• Ensure external vendor development is tracked correctly, reported and risks and challenges identified.
• Work with our partners engineering, legal and contracts teams to support preparation of partnership, development and supply agreements with selected vendors including system integration services and support.
• Develop required documentation for proper management and execution of programs in collaboration with technical experts in the engineering team, including dashboards.

Key Experience required for the Senior Program Lead / Manager – Satellite Communication Systems:

• Bachelor’s degree in engineering or relevant discipline with an emphasis in communication systems or satellite equipment.
• Minimum 6 years experience in program management in a STEM field with a minimum of 3 years in the satcom sector.
• Type approval experience is mandatory.
• Master’s degree or MBA is a plus.
• Significant experience managing multiple concurrent and interdependent projects. 
• Strong working knowledge of project management tools including Microsoft Project or similar scheduling tools (ie. Primavera Cloud, Primavera P6, as well as Jira) 
• General knowledge of modem, RF, electronics and antenna technologies; previous experience with government terminal integrators is a plus. 

If your skills and experience match this Senior Program Lead / Manager – Satellite Communication Systems opportunity, we encourage you to apply now!

”

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 is seeking a Software Engineer (Full Stack Technical Leader). 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 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.
 
They require a Satellite System Architect to play a crucial role in developing a revolutionary end-to-end satellite communication system. You’ll collaborate with experts across disciplines to design and define their system’s architecture, ensuring it meets project goals and delivers exceptional service to their customers.
 
Key Responsibilities for the Satellite System Architect:

• Collaborate with cross-functional teams to define system architecture, system requirements, and network element specifications.
• Craft key aspects of the system, including communication protocols, resource allocation mechanisms, network entry mechanisms, management systems, and more.
• Lead and guide junior engineers, fostering their growth and expertise.
• Document the system architecture comprehensively for optimal performance and reliability.
• Collaborate with the System Integration and Test team for seamless integration of all system elements.
• Identify and manage technical risks related to the system design and develop mitigation strategies to stay ahead of industry trends.
• Contribute innovative ideas and collaborate with external partners for project success.

Key Education & Experience for the Satellite System Architect:

• Bachelor’s, Master’s, or Ph.D. degree in Electrical Engineering, Aerospace Engineering, or a related field.
• Proven experience in satellite system architecture and design, proven years of experience 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.
• Must be a US or Canadian Citizen.

This opportunity is located out of Bethesda, Maryland and will require regular travel to Canada.
 
If your skills and experience match this Satellite System Architect opportunity, we encourage you to apply now!

”

Robotic System Engineer

An experienced and motivated robotics system engineer with a strong background in space, aerospace, or other technical industries is sought for this exciting opportunity at a state-of-the-art facility based in Harwell, UK.

This role offers the chance to join a friendly, skilled, and dynamic team within a rapidly growing organization. As a senior member of the payload team, you will lead specific aspects of project work, mentor team members, and provide subject matter expertise to support the design, development, testing, and operations of unique capture systems for missions under demanding timescales. Collaboration across engineering functions and suppliers globally is a key aspect of this role.

In this position, you will contribute to addressing the critical challenge of orbital debris, working to ensure space remains a valuable asset for humanity.

Responsibilities

• Develop and review robotics system requirements and verification strategies (at spacecraft, subsystem, and unit levels) for on-orbit servicing missions.
• Review inputs from and lead co-engineering sessions with robotics suppliers to assess system suitability for specific missions and ensure compatibility.
• Plan and support the design of innovative technology and hardware, including unit modules and ground support equipment, to meet mission requirements.
• Collaborate with experts in other engineering disciplines (mechanical, thermal, software, electrical, etc.) to solve complex problems.
• Work with the AIV team to ensure robotics designs consider manufacturing, assembly, integration, and testing ease.
• Define and perform hardware-related activities throughout spacecraft design, development, AIV phases, and launch campaigns.
• Generate and maintain systems documentation, including specifications, ICDs, procedures, reports, technical notes, and design descriptions.
• Prepare inputs for project lifecycle reviews (e.g., PDR, CDR).
• Support procurement by engaging with the manufacturing supply chain and suppliers.
• Contribute to broader organizational projects and activities.

Essential Skills

• Degree in robotics, systems engineering, aerospace engineering, or another relevant discipline (Bachelor’s, Master’s, or equivalent).
• 5–10+ years of robotics experience.
• Proven experience in leading complex, safety-critical mechanism design lifecycles from concept through analysis, testing, and operations.
• Professional experience in robotics analysis, design/procurement, and testing, ideally for spacecraft.
• Deep understanding of robotics design and its challenges in the space environment.
• Knowledge of trade-offs in robotics system design, selection, and application.
• Familiarity with robotics suppliers, products, and R&D trends.
• Understanding of spacecraft mission lifecycles and milestones (e.g., MDR, PDR, CDR).
• Strong system engineering skills and requirements management experience across full project lifecycles.
• Expertise in designing innovative hardware and solving complex engineering problems under tight schedules.

Desirable Skills

• Experience addressing robotics design challenges in the space sector.
• Knowledge of manipulator technologies for on-orbit servicing.
• Familiarity with magnetism and magnetic properties in capture mechanisms.
• Experience using CAD tools such as SolidWorks, CATIA, NX, CREO, or similar, and PDM.
• Proficiency in multi-body dynamics modeling tools like Hyperworks.
• Ability to model and simulate kinematic systems and robotics.
• Skills in data processing and automation using VBA or Python.
• Broad knowledge of topics like debris removal, end-of-life missions, and in-orbit servicing.
• Proactive mindset with the ability to clarify objectives, manage changes, and apply sound engineering judgment in uncertain situations.
• Leadership and management experience.

Benefits

• Competitive salary.
• Work with a diverse, talented international team using cutting-edge technology.
• Flexible working arrangements around core hours.
• Hybrid working options (role-dependent).
• 25 days holiday (increasing up to 28 days) plus 8 bank holidays.
• Life insurance and long-term sick pay.
• Private healthcare (taxable benefit).
• Relocation allowance.
• Visa sponsorship available (UK only).
• Access to modern office and cleanroom facilities.
• Regular social events.

If your qualifications and experience align with this Robotics System Engineer opportunity, we encourage you to submit your CV to info@holtexecutive.com for consideration.

”

Finance Manager (part-time) –  (Luxembourg)

Are you ready to embark on an extraordinary journey in the space industry? Our client is pioneering cutting-edge innovations in satellite communication and space technologies. To support their growth, they are seeking a Finance Manager to join their dynamic team in Luxembourg.

About the Role As Finance Manager, you will play a pivotal role in ensuring their financial health and compliance while supporting strategic decision-making. You will oversee all financial operations, from accurate record-keeping and payroll management to investor relations and budgeting, contributing directly to their mission of redefining the space industry.

Key Responsibilities

• Financial Operations: Maintain accurate financial records in compliance with Luxembourg accounting regulations and prepare monthly, quarterly, and annual financial statements.
• Budgeting & Cash Flow: Manage cash flow and budgeting processes to optimize resources across multiple projects.
• Payroll & Compliance: Oversee salary sheet preparation, tax withholdings, and social security contributions, ensuring compliance with Luxembourg labor laws.
• Stakeholder Management: Cultivate relationships with banks, government institutions, and other financial stakeholders, while managing contracts and procurement activities.
• Customer & Vendor Management: Ensure timely invoicing, payment receipt, and vendor payments while tracking expenses and optimizing procurement processes.
• Strategic Support: Develop financial projections, prepare investor presentations, and provide insights to support decision-making and fundraising activities.
• Efficiency Improvements: Identify opportunities for cost optimization and set financial KPIs aligned with growth objectives.

Qualifications

• Education: Bachelor’s degree in Finance, Accounting, or related field. MBA or certifications such as CPA or CFA are a plus.
• Experience: Proven experience in finance or accounting, preferably in a Luxembourg-based startup or growth-stage company.
• Technical Knowledge: Strong understanding of Luxembourg accounting principles, payroll management, and financial analysis.
• Language Skills: Fluency in English is required; French is a plus.
• Skills: Excellent communication, interpersonal skills, and a collaborative mindset. Experience with fundraising and investor relations is highly desirable.

What We Offer

• Competitive Compensation: Including a stock options plan, so you share in our success.
• Generous Paid Time Off: 40 days of paid holidays, including 29 annual leave days and 11 public holidays.
• Daily Support & Perks: Lunch vouchers for convenience and comfort.
• Professional Growth: Access to training, conferences, and continuous learning opportunities.
• Relocation Assistance: Comprehensive support for a smooth transition if relocating.
• Cultural & Fitness Activities: Free language courses and sport programs for a balanced lifestyle.
• Flexible Work Environment: Flexible hours and remote or hybrid work options.

Join them If you are passionate about finance, driven by innovation, and eager to make an impact in the space industry, this is the place for you.

Apply now to be part of our exciting journey and help shape the future of space exploration.

”

Holt Executive is partnered with a leading electro-optics design and manufacturing business, seeking a Resourcing Assistant to join their HR and Talent team. As a Resourcing Assistant, you’ll play a vital role in supporting the Resourcing Business Partner to ensure a seamless recruitment process for both candidates and hiring managers. This position combines administrative precision, interpersonal engagement, and the chance to develop skills that are highly valued in the HR and recruitment sectors.

Are you passionate about connecting people with opportunities and building meaningful relationships? This is your chance to step into a role that offers a springboard into the world of recruitment, talent acquisition, and human resources. Whether you’re starting your career or looking to expand your skills, this opportunity provides a blend of hands-on experience, professional growth, and exposure to dynamic HR and Recruitment projects within a supportive team.

Key Responsibilities

• Collaborate with hiring managers to prepare effective and inclusive job descriptions.
• Advertise vacancies through the Applicant Tracking System (ATS) and job boards.
• Screen external applicants and manage candidate progression via the ATS.
• Coordinate and schedule interviews, maintaining the interview schedule and ensuring a consistent process.
• Conduct competency-based interviews and gather post-interview feedback.
• Manage offer processes, including verbal offers, offer letters, and contracts.
• Oversee the onboarding process, acting as the main point of contact for new starters.
• Maintain recruitment trackers and manage the recruitment inbox.
• Participate in HR and resourcing team projects, contributing to continuous improvement.

Key Experience

• Degree-level qualifications or equivalent.
• Proven ability to thrive in an office environment.
• Strong proficiency in Microsoft Office.
• Exceptional organizational skills and attention to detail.
• Outstanding communication and relationship-building abilities.

Desirable Skills & Experience:

• Familiarity with ATS systems.
• Previous exposure to a recruitment environment.

Why Join?

• Flexible hybrid working arrangements and early Friday finishes.
• Competitive benefits, including matched pension contributions, income protection, and life assurance.
• Access to wellbeing initiatives, gym discounts, and regular social activities.
• Learning and development opportunities to support your career aspirations.
• A collaborative environment that champions integrity, teamwork, excellence, and courage.

This role is more than a job – it’s a pathway to shaping your future in recruitment and HR. Ready to start your journey? Apply today!

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.

The Quality Management team provides support to projects in order to ensure that customer requirements are met. It works independently of projects, verifying compliance with product assurance (PA) requirements. It also operates at company level to ensure compliance with the ISO 9001 standard.

Under the responsibility of the Quality Manager, your role will be to:

• Act as a PA engineer on projects:
• Analyse the customer’s SW PA requirements and prepare the project specific SW product assurance plan taking into account the criticality of the software
• Ensure conformance with SW engineering and PA requirements during a project execution and promptly report deviations
• Provide regular reports on SW product assurance activities
• Participate in SW project reviews with our customers such as ESA and CNES
• Work on the company quality management system:
• Maintain quality management system documentation
• Collaborate on enhancing software standards, methodologies and tools
• Conduct internal audits

Profile:

• Master’s Degree in Engineering
• Several years’ experience in software product assurance
• Experience with ECSS or NASA Space software standards
• Additional expertise in (or knowledge of) the following areas would be considered as an asset for this position:
• Experience with IT tools such as GitLab, Jenkins, Redmine, SonarQube …
• Agile practices
• Quality assurance for Machine Learning models
• (Cyber-)security assurance
• Hands-on experience with static code analysis and tools
• Knowledge of software DO standards (DO-178, DO-254)
• A sound level of technical English is essential, both for reading technical documents and for drafting documentation
• You are service-oriented and willing to listen and respond to your colleagues’ needs.

Offer:

• Permanent employment contract within a stimulating and dynamic environment.
• Competitive salary package in line with your qualification and experience.
• Opportunity to put your mark on exciting projects.
• Integration into a human-sized company committed to the well-being of its employees.