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We are seeking a talented and motivated Flight Dynamics Engineer to join a growing engineering team developing advanced flight dynamics capabilities for defence and space applications. This role offers the opportunity to contribute to the design and evolution of sophisticated software products supporting space domain awareness, mission analysis, and space operations.

Working within a multidisciplinary engineering environment, you will help develop innovative flight dynamics solutions, influence product direction, and collaborate with technical specialists to deliver high-quality software and services that meet evolving customer requirements.

This is an excellent opportunity for someone who enjoys solving complex technical challenges, working closely with customers, and contributing to advanced space programmes within an Agile software development environment.

Key Responsibilities

• Design, develop, validate and maintain flight dynamics software for defence and space applications.
• Support business development activities by providing technical expertise during bids and customer engagements.
• Develop and specify flight dynamics algorithms to support operational software capabilities.
• Review flight dynamics designs, procedures and technical documentation.
• Capture, analyse and refine customer and system requirements, translating them into user stories and technical specifications.
• Help prioritise and define features for future software releases.
• Support system verification, validation, integration and simulation activities.
• Provide technical support to operations teams, troubleshooting issues and recommending best practice.
• Act as the technical interface with external suppliers and development partners where required.
• Work within an Agile (Scrum) environment to deliver software to agreed schedules.
• Produce and maintain high-quality engineering documentation, including requirements, verification plans, test procedures and technical reports.

Essential Experience

• Master’s degree in Astronautics, Aerospace Engineering, Physics or a related discipline (or equivalent experience).
• At least five years’ commercial experience in flight dynamics within the space or defence sectors.
• Eligible to obtain UK Security Clearance (SC) or higher.
• Strong understanding of orbital mechanics and spacecraft flight dynamics.
• Experience with mission analysis and trajectory design.
• Experience using MATLAB or equivalent simulation tools.
• Strong Python programming skills.
• Experience defining and managing technical requirements.
• Understanding of the full software development lifecycle, including design, development, integration, testing and maintenance.
• Experience working alongside spacecraft operations or mission operations teams.
• Excellent written and verbal communication skills in English.

Desirable Experience

• Knowledge of ECSS standards.
• Commercial software engineering experience.
• Experience with commercial flight dynamics software tools.
• Familiarity with Linux operating systems.
• Working knowledge of Microsoft Windows and Office applications.

What’s on Offer

• Hybrid and flexible working arrangements including 9/75 work pattern.
• Opportunity to work on challenging space and defence programmes using advanced technologies.
• Collaborative, supportive engineering environment.
• Career development and training opportunities.
• Private healthcare.
• Life assurance and long-term sickness cover.
• Generous annual leave entitlement plus public holidays.
• Relocation assistance may be available.
• Modern office facilities and regular team social events.

If you’re passionate about orbital mechanics, spacecraft operations and developing software that supports the future of space and defence, we’d like to hear from you.

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We are seeking an experienced Senior Product Assurance Manager to join a growing space technology organisation working on complex spacecraft and advanced mission programmes.

This role will play a key part in ensuring the quality, reliability, and compliance of spacecraft systems throughout the full development lifecycle. You will work closely with engineering teams, suppliers, and project stakeholders to manage assurance activities across hardware, software, manufacturing, testing, and integration.

As a senior member of the assurance team, you will take ownership of key product assurance activities, support continuous improvement initiatives, and provide guidance and mentoring to less experienced engineers.

Key Responsibilities

• Lead Product Assurance and Quality Assurance activities across spacecraft development projects.
• Develop and implement assurance plans, processes, and documentation to support mission success.
• Work with suppliers and subcontractors to assess quality approaches, conduct audits, and manage assurance activities.
• Review materials, parts, manufacturing processes, and technical documentation against project requirements.
• Support spacecraft integration, testing, inspections, and verification activities.
• Manage non-conformances, corrective actions, and root cause investigations.
• Maintain quality records and assurance data throughout project lifecycles.
• Support improvements to quality management processes and contribute to business development activities.
• Provide technical guidance, mentoring, and support to junior members of the assurance team.

Experience Required

• Minimum of 5 years’ experience in Product Assurance and/or Quality Assurance, ideally within the space or aerospace sectors.
• Strong understanding of product assurance principles, reliability, and quality management within complex engineering environments.
• Experience leading assurance activities across multidisciplinary engineering teams.
• Ability to influence engineering decisions and manage technical risk effectively.
• Strong problem-solving skills, with experience applying root cause analysis techniques such as 5 Why, Ishikawa, fault tree analysis, or 8D.
• Experience supporting customer or certification audits.
• Experience performing formal inspections and reviewing technical compliance.
• Ability to support testing campaigns and subsystem development activities.
• Excellent organisational skills with the ability to manage priorities, schedules, and changing requirements.
• Strong written and verbal communication skills, with the ability to present technical information clearly.

Desirable Experience

• QMS internal auditing experience or experience acting as a third-party reviewer.
• Experience with spacecraft ground segment assurance.
• Experience with software product assurance.

Benefits

• Hybrid and flexible working arrangements.
• Optional 9-day fortnight working pattern.
• 25 days holiday plus bank holidays, increasing with service.
• Life insurance and long-term sick pay.
• Private healthcare.
• Relocation support available.
• Modern office and specialist engineering facilities.
• Regular social and team events.
• Opportunity to work with talented teams delivering innovative space technology.

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International Sales Director – Government & Airborne Connectivity (REMOTE)

 
Holt Executive has been retained to support the appointment of an International Sales Director – Government & Airborne Connectivity on behalf of a market-leading provider of airborne connectivity, satellite communications, aircraft software, and aerospace engineering and certification services.

Supporting government, defence, VVIP and commercial aviation customers worldwide, our client has established itself as a specialist in airborne SATCOM integration, aircraft modification, EASA Part 21 design and certification, and managed connectivity solutions. As the organisation continues its international expansion, they are seeking an experienced sales leader to drive strategic growth across EMEA, APAC and LATAM.

This is a senior, customer-facing leadership opportunity for an experienced sales professional with a strong background in airborne SATCOM, inflight connectivity (IFC), aerospace or defence. Working remotely from anywhere in Europe, you will lead a small international sales team whilst personally managing complex, high-value sales campaigns across military, government, VVIP and commercial aviation markets.

The successful candidate will play a pivotal role in developing new business, strengthening strategic customer relationships, and positioning the business as a leading provider of airborne connectivity and aircraft integration solutions globally.

Key Responsibilities for the International Sales Director – Government & Airborne Connectivity:

• Develop and execute international sales strategies to accelerate growth across EMEA, APAC and LATAM.
• Lead complex sales campaigns involving airborne SATCOM, aircraft modification programmes, EASA/FAA Part 21 certification, aviation software and managed connectivity services.
• Identify and secure new business opportunities across defence, government, military, VVIP and commercial aviation sectors.
• Build and develop long-term relationships with aircraft operators, OEMs, MROs, systems integrators, satellite operators and strategic industry partners.
• Manage and develop a portfolio of key international accounts whilst expanding the organisation’s global partner network.
• Lead, mentor and support a high-performing international sales team, driving performance and collaboration.
• Work closely with engineering, certification and operational teams to ensure customer requirements are translated into successful technical solutions.
• Represent the business at major international industry events, trade shows and customer engagements.
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Key Experience & Qualifications for the International Sales Director – Government & Airborne Connectivity:

• Proven international business development and sales leadership experience within aerospace, aviation, defence or satellite communications.
• Strong knowledge of airborne SATCOM, inflight connectivity (IFC), aircraft integration or aerospace communication systems.
• Demonstrable success selling complex technical solutions into government, defence, military or special mission aviation customers.
• Experience managing long sales cycles involving multiple stakeholders and high-value programmes.
• Existing relationships across aircraft operators, OEMs, MROs, satellite operators or the wider aviation connectivity ecosystem would be highly advantageous.
• Commercially astute with the ability to engage confidently with senior executives, procurement teams and technical engineering stakeholders.
• Previous leadership experience managing sales teams or leading international business development activities.
• Fluent English is essential; French or additional European languages would be advantageous.
• Eligibility to obtain UK Security Clearance (SC) would be beneficial.

A leading technology organisation is seeking an experienced Senior Software Engineer to join a team responsible for developing and supporting critical software applications used to monitor, analyse, and optimise large-scale operational systems.

This is an exciting opportunity for a hands-on engineer to work on real-time data platforms, operational tooling, and service assurance solutions that provide valuable insights into complex network environments. You will play a key role in designing, developing, and maintaining software that supports business-critical operations, working closely with engineering teams, product stakeholders, and operational users.

The role combines software development, system integration, troubleshooting, and continuous improvement, making it ideal for someone who enjoys solving complex technical challenges and delivering reliable, scalable solutions.

Key Responsibilities

• Develop, enhance, and support software applications used within operational environments.
• Design and implement new features based on user and business requirements.
• Work closely with engineering teams to understand system architectures and ensure effective monitoring and data collection capabilities.
• Analyse system performance, troubleshoot issues, and support operational teams with fault diagnosis.
• Participate in software design, code reviews, testing, and documentation activities.
• Collaborate with internal stakeholders, product teams, and third-party suppliers to deliver effective solutions.
• Support the ongoing maintenance and improvement of operational systems.
• Identify opportunities to improve processes, tooling, and software reliability.
• Contribute to the full software development lifecycle, from requirements gathering through to deployment and support.
• Provide technical support for live operational systems, including occasional on-call responsibilities.

Experience Required

• Degree in Computer Science, Software Engineering, or a related technical discipline.
• Strong hands-on experience developing software using Java within a real-time operational environment.
• Strong experience with JavaScript and Node.js development.
• Experience working with both Windows and Linux operating systems.
• Good understanding of IP networking and experience troubleshooting network issues using tools such as Wireshark or similar.
• Experience working with event streaming technologies such as Kafka.
• Strong understanding of the full software development lifecycle.
• Experience producing high-quality, maintainable, and reusable software within a collaborative engineering environment.
• Understanding of object-oriented analysis, design principles, and common design patterns.
• Strong communication skills with the ability to collaborate effectively across technical and non-technical teams.
• Awareness of software and network security best practices.
• Experience producing clear technical documentation to support ongoing development and operational support.

Desirable Experience

• Real-time monitoring or service assurance platforms.
• Large-scale distributed systems.
• Data analysis and operational dashboards.
• Network management or telecommunications environments.
• Supporting production systems within a 24/7 operational environment.

The Ideal Candidate

You will be a proactive and curious engineer who enjoys understanding complex systems, identifying improvements, and developing practical solutions. You will have strong technical ownership, excellent problem-solving skills, and the ability to work collaboratively across engineering and operational teams.

This is an opportunity to contribute to highly visible software platforms that support critical services while working within a technically challenging and collaborative engineering environment.

Benefits

• Hybrid and flexible working arrangements.
• Competitive salary and comprehensive benefits package including annual bonus.
• Pension scheme and private healthcare.
• Professional development and training opportunities.
• Opportunity to work on cutting-edge satellite technologies.
• Collaborative engineering culture with exposure to complex international programmes.

 
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A leading technology organisation operating within the secure communications and defence sector is seeking an experienced Senior Software Technical Lead to provide technical leadership across the development of secure software solutions.

This is a high-impact role combining hands-on engineering delivery with technical governance, process improvement, and team mentorship. You will act as a key technical authority, driving software engineering excellence, improving development practices, and supporting multidisciplinary teams in delivering complex, high-assurance systems.

Working closely with software engineers, systems engineers, and project teams, you will help shape software architecture, establish engineering standards, and ensure successful delivery against technical and programme objectives.

Due to business requirements applicants must be a sole UK national and eligible to obtain UK security clearance.

Key Responsibilities

Technical Leadership & Engineering Governance

• Define, improve, and maintain software development processes, tools, and engineering workflows.
• Provide architectural guidance and technical oversight across software development activities.
• Establish and enforce quality standards, peer review processes, and engineering best practices.
• Support project delivery by identifying and removing technical barriers.

Team Mentorship & Development

• Mentor and support software engineers, helping to develop technical capability and engineering excellence.
• Identify skills gaps, training requirements, and future capability needs.
• Promote collaboration across software, systems, and wider engineering teams.

Software Development & Delivery

• Lead software architecture design and implementation for embedded systems and user applications.
• Drive software verification and validation activities, including design verification testing.
• Support complex technical investigations, defect resolution, and sustaining engineering activities.
• Provide technical support across legacy systems, upgrades, and component lifecycle challenges.

Required Experience & Qualifications

• 10+ years’ experience within software engineering environments.
• Degree in Software Engineering, Computer Science, or a related technical discipline.
• Proven experience leading software development activities and defining engineering processes.
• Strong understanding of software quality frameworks, governance, and technical reviews.
• Experience working within secure or regulated engineering environments.
• Must be a sole UK national and eligible to obtain UK security clearance.

Desirable Experience

• Experience with high-assurance software development standards and secure coding practices.
• Strong low-level programming experience using C/C++ within embedded systems environments.
• Experience working with microcontrollers and Real-Time Operating Systems (RTOS).
• Experience mentoring engineers and improving technical capability without direct line management responsibility.

Why Apply?

This is an opportunity to take a leading technical role within a highly skilled engineering environment, shaping software development practices and contributing to the delivery of secure, mission-critical technology.

You will have the opportunity to influence architecture, mentor engineers, and drive engineering excellence across complex programmes.

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A leading technology organisation operating within the secure communications and defence sector is seeking an experienced Senior Hardware Technical Lead to provide technical leadership across the development of complex electronic hardware solutions.

This is a senior engineering role combining hands-on technical delivery, hardware governance, process improvement, and team mentorship. You will act as a technical authority across electronics, mechanical design, and FPGA disciplines, driving engineering excellence and ensuring the successful delivery of high-assurance hardware products.

Working closely with systems engineers, software teams, manufacturing partners, and project managers, you will provide technical direction across the full hardware lifecycle, from architecture and design through verification, production introduction, and sustaining engineering.

Due to business requirements applicants must be a sole UK national and eligible to obtain UK security clearance.

Key Responsibilities

Hardware Leadership & Engineering Governance

• Define and improve hardware development processes, tools, and engineering workflows.
• Provide technical leadership across electronic, mechanical, and FPGA engineering activities.
• Drive engineering governance through design reviews, quality standards, and stage-gated development processes.
• Provide architectural guidance across hardware integration, PCB design, and thermal considerations.
• Support project delivery by identifying and resolving technical challenges.

Team Mentorship & Development

• Mentor and support hardware engineers, helping develop technical capability and engineering best practices.
• Identify skills gaps, training requirements, and future capability needs.
• Promote collaboration across electronics, FPGA, mechanical, software, and systems engineering teams.

Hardware Development & Technical Delivery

• Lead electronic architecture design, schematic capture, high-speed digital design, and PCB layout oversight.
• Drive hardware design verification and validation activities.
• Own technical aspects of New Product Introduction (NPI), ensuring smooth transition from development into manufacturing.
• Provide technical support for manufacturing challenges, testing issues, and component lifecycle management.
• Support continuous improvement of existing hardware platforms and product lines.

Required Experience & Qualifications

• 10+ years’ experience within hardware engineering and electronic design environments.
• Degree in Electronic Engineering or a related technical discipline.
• Proven experience leading hardware development activities and defining engineering processes.
• Strong understanding of hardware quality frameworks, governance, and technical reviews.
• Experience working across PCB, FPGA, and mechanical engineering disciplines.
• Must be a sole UK national and eligible to obtain UK security clearance.

Desirable Experience

• Experience with FPGA integration, programmable logic workflows, and high-speed digital interfaces.
• Knowledge of Design for Test (DFT) and Design for Manufacturing (DFM) methodologies.
• Experience designing and delivering electronic products within defence, aerospace, or other high-assurance industries.
• Strong track record of mentoring engineers and improving technical capability without relying on formal management structures.

Why Apply?

This is an opportunity to take a leading technical role within a highly skilled engineering environment, shaping hardware development practices and contributing to the delivery of secure, mission-critical technology.

You will have the opportunity to influence engineering strategy, mentor talented engineers, and play a key role in delivering complex electronic systems from concept through to production.

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