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Are you a systems engineer looking to work on cutting-edge aerospace technologies? This is an opportunity to join a high-performing engineering team developing mission-critical release systems for some of the world’s most advanced fighter aircraft.

The role spans the full systems lifecycle, from design and development to testing, integration, and support, with a focus on high-performance multi-station munitions launch systems.

What You’ll Be Doing:

• Perform systems engineering tasks including technical planning, integration, risk analysis, and verification/validation across complex aerospace products.
• Contribute to the full development cycle: concept, design, fabrication, testing, installation, operation, and maintenance.
• Translate customer and product requirements into robust system solutions, managing trade studies and requirements allocation.
• Engage with stakeholders to ensure alignment across technical, schedule, and cost considerations.
• Support day-to-day task execution, project activities, and the delivery of system-level documentation.
• Work collaboratively to interpret operational needs and guide engineering outcomes.

What You’ll Bring:

• Degree in engineering (or equivalent industry experience).
• 4+ years’ relevant experience (or 8+ years without a formal degree).
• Practical knowledge of systems engineering lifecycle and aerospace system development.
• Experience using requirements management tools (e.g., DOORS, Innoslate) preferred.
• Awareness of CAD, CFD, and FEA tools is a plus.
• Strong communication and stakeholder engagement skills.

Desirable Experience:

• Exposure to IPS/ILS (Integrated Product or Logistics Support) disciplines.
• Background in defence or safety-critical engineering environments.

Benefits Include:

• Half-day Fridays for improved work-life balance
• 25 days annual leave (+ bank holidays), increasing with service and with buy/sell options
• Private medical insurance (with optional family cover)
• Pension scheme with up to 7% employer contribution
• Life assurance, group income protection, and a flexible benefits platform including gym membership, dental, critical illness cover, and cycle-to-work
• Mental health and wellbeing support via employee assistance programme

Eligibility Requirements:

Please note: Due to the nature of the work, UK right-to-work and eligibility for BPSS clearance is required.

This is your chance to play a key role in the development of next-generation aerospace systems, in a team that values innovation, collaboration, and technical excellence.

Apply now to be part of a team pushing the boundaries of aerospace engineering.

Holt Executive are partnered with a Belgium based supplier of satellite equipment. Their technology enables the Space industry to be more agile than ever before. 

Our partner is seeking a Quality Assurance/Product Assurance Engineer to support the design and implementation of their QMS, development of processes from production to manufacturing, and to work closely with suppliers and customers to ensure quality of their products.   

Key Responsibilities for the Quality Assurance/Product Assurance Engineer:

• Responsible for the design and implementation of a robust Quality Management System (QMS) encompassing all aspects of the product lifecycle—from development through manufacturing and supporting functions—to ensure high levels of customer satisfaction.
• Establish and maintain effective governance structures to oversee quality processes, while actively contributing to a clean, lean, and efficient production environment.
• Foster strong, long-term relationships with suppliers by streamlining internal quality processes and performing audits as needed.
• Develop and apply relevant performance metrics and control strategies to monitor and enhance product and process quality.
• Ensure the QMS is clearly documented and accessible, supporting organization-wide understanding through targeted documentation and employee training initiatives.

Key Skills & Experience for the Quality Assurance/Product Assurance Engineer:

• Holds a degree in engineering or possesses equivalent experience through a proven track record in technical roles.
• Brings solid experience in systems engineering methodologies and recognized industry best practices, with a strong foundation in Lean principles.
• Minimum of 5 years of relevant experience, ideally within a high-tech or aerospace environment.
• Skilled in cross-functional collaboration, with a demonstrated ability to influence and manage stakeholders to drive continuous improvement and organizational change.
• Combines meticulous attention to detail with a strategic, big-picture mindset.
• Proactive in raising concerns and offering constructive challenges when appropriate.
• Strong active listening and communication skills.
• Capable of prioritizing effectively in line with broader organizational goals.
• Fluent in English; additional language skills, particularly Dutch, are advantageous.

Additional preferred experience:

• Solid understanding of systems engineering lifecycles, with particular relevance to high-reliability sectors such as aerospace or defense.
• Experience in the selection and documentation of Electrical, Electronic, and Electromechanical (EEE) components.
• Proven ability to implement and maintain component traceability throughout the development and production process.
• Familiar with auditing subcontractors to ensure compliance with technical and quality standards.
• Previous experience working within an ISO 9001-certified environment.
• Hands-on involvement in the qualification of complex technical systems, ideally within space or similarly regulated industries.

The successful candidate must be legally authorized to work in the European Union.

This opportunity is hybrid position based in Leuven, Belgium.

An exciting opportunity has arisen for an experienced System Engineer to take technical ownership of chemical propulsion subsystems for spacecraft, from initial concept and design to delivery. You will play a key role in the development of propulsion products for satellites, supporting the full lifecycle from initial concept to delivery, working alongside design, manufacturing, and testing teams to ensure customer requirements are met.

In this position, you’ll be responsible for overseeing technical trade-offs, design reviews, system analyses, supplier management, and testing activities. You will contribute to technical documentation, lead verification activities, and act as the technical point of contact for both internal teams and external customers.

Key Responsibilities:

• Lead technical decisions and trade-offs for propulsion subsystems
• Perform functional analyses, system design reviews, and oversee mechanical, structural, and electronics design
• Support supplier management, manufacturing, assembly, integration, and testing processes
• Prepare technical documentation, verification matrices, compliance reports, and test procedures
• Provide hands-on support during test campaigns and non-standard product activities
• Act as the primary technical liaison for customer interactions

Skills Required:

• MSc in Aerospace, Mechanical, Chemical Engineering, or similar
• 3+ years’ experience as a System Engineer working on chemical propulsion subsystems
• Solid understanding of fluid system design, operations, and testing
• Knowledge of mechanical systems, structural/thermal analyses, and space engineering standards
• Strong analytical abilities and excellent technical communication skills
• Proficiency in English (C1 level)
• Applicants must have, or be eligible for, EU work authorization

Desirable:

• Familiarity with ECSS standards and space design processes (EQSR, PDR, CDR, etc.)
• Knowledge of spaceflight component markets and current technology trends
• Hands-on testing experience at component and system levels
• Supplier management experience
• Dutch language skills (B1 level) and willingness to travel occasionally

What’s On Offer:

• A varied and technically challenging role, close to hardware development
• Opportunity to deliver innovative solutions to the global space market
• Generous holiday allowance
• International working environment
• Relocation package can be provided

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 Senior Systems Engineering Specialist – Communication Systems 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.
 
Key Responsibilities for the Senior Systems Engineering Specialist – Communication Systems:

• 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 Senior Systems Engineering Specialist – Communication Systems: 

• 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.
• Strong experience in Payload technology, and Radio Frequency (RF) engineering.
• Strong knowledge of satellite communication protocols, orbital mechanics, and space systems. Ideally with experience in software-defined satellite communication payloads.
• Familiarity with regulatory bodies and space industry standards.
• Must be a US or Canadian Citizen.

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 Senior Systems Engineering Specialist – Communication Systems opportunity, we encourage you to apply now!

Are you an experienced Programme Manager with a passion for leading complex, high-impact projects within the defence or aerospace sector? We’re looking for a driven and strategic Programme Manager to take ownership of a key customer-facing programme within the Land sector. This is a pivotal opportunity to shape the success of multiple international projects from design through to delivery.

About the Role:

Reporting to the Land Programme Manager, you will oversee a programme comprising several concurrent projects, each at different stages of their lifecycle. Your leadership will ensure successful planning, execution and stakeholder engagement, all while aligning with commercial objectives and ensuring robust risk and resource management.

Key Responsibilities:

• Lead and coordinate multiple projects within a major Land sector programme
• Ensure integrated planning, risk management and resourcing across departments
• Drive delivery against profit, revenue and growth targets
• Participate in bid and proposal planning, estimating PM labour, and scheduling
• Launch and oversee R&D and customer contracts from inception to closure
• Liaise with engineering and functional leads to ensure technical and resource alignment
• Provide high-level project board communication and strategic stakeholder engagement
• Manage reporting on financials (revenue, cash-flow, margin forecasts, etc.)
• Mentor and support project managers while overseeing PM staffing needs

What We’re Looking For:

Essential:

• Proven experience managing international defence/aerospace programmes
• Strong commercial acumen and stakeholder engagement skills
• Recognised project management qualification (e.g. PRINCE2, PMP, APM)
• Experience leading high-performing teams in a fast-paced, collaborative setting
• Engineering background and understanding of complex systems
• Willingness to travel domestically and internationally

Desirable:

• Degree in business, project management, or a related field

Personal Attributes:

• Analytical and strategic thinker with strong leadership skills
• Resilient, adaptable, and solutions-oriented
• Collaborative team player with excellent interpersonal skills
• Demonstrates values of Teamwork, Integrity, Excellence, and Courage

What’s on Offer:

• Hybrid / flexible working arrangements
• Early finish on Fridays
• 28 days annual leave + Christmas closure + holiday purchase scheme
• Group pension plan (matched up to 5%)
• Income protection & life assurance
• Remote GP access, mental health support, physiotherapy services
• EV salary sacrifice scheme
• Discounts on gym memberships, high street retailers, and more
• Access to learning & development resources
• Onsite free parking

Security Requirements: Due to the nature of the role, candidates must be eligible to obtain UK Security Clearance. This includes proof of identity, right to work in the UK, and five years of UK residency.

Our Client, a global leader in the defence industry has an exciting opportunity for a Lead FPGA design Engineer / Manager.

Role Overview:

The Lead FPGA Engineer would be responsible the success of the engineering activities within an Integrated FPGA Product Team or one of the products within an FPGA Product Line.

Job Responsibilities:

The Lead FPGA Engineer is responsible for defining and leading the Work Packages for the team members on a day-to-day basis. Assignment of the work packages would happen in consultation with the Project Engineering Manager. You would be responsible for providing your team with clear expectations of the engineering outcomes, ensuring that they operate consistently within the Policies & Procedures and to foster the improvement goals defined by the Engineering Function.

Specific responsibilities:

• Lead the Engineering aspects of the FPGA Project or Product Line 
• Manage an FPGA Engineering Team to deliver the project outcomes
• Ensure that the outcomes for success are clearly defined and well communicated
• Ensure that the FPGA Engineering activities are well planned, costed and scheduled with the Project Planning and Project Management Community.
• Ensure that the FPGA Engineering team has a well-documented Engineering Plan and that the plan is followed
• Report on progress of the Engineering plan as needed
• Ensure the FPGA Engineering team follows an effectively tailored Life Cycle Management Process, leading the Design Reviews.
• Oversee the completion of the project outcomes to quality, cost and schedule ensuring that the project performance is accurately reported throughout
• Maintain an effective dialogue with the Project Engineering Manager and PM, reporting status and risks to the project throughout
• Work closely with the FPGA & Systems Design Authorities ensuring they are fully informed on technical progress and technical risks, requesting support as required
• Support the Project Engineering Manager for engineering reviews and team briefs
• Support the team with day-to-day technical queries and hands-on troubleshooting

Skills, Qualifications and Experience required:

Mandatory

• Proven experience in FPGA engineering management and delivery of projects
• Engineering or scientific Degree qualification (or equivalent)
• Excellent communicator and able to provide clear direction to FPGA teams
• Ability to manage complex situations with sound judgement and the ability to balance conflicting challenges
• Commercial and business awareness
• Experience of working across the full life cycle
• Familiarity with latest FPGA device families and verification methodologies
• Proven expertise of developing FPGA using VHDL or Verilog
• Experienced with Mentor Graphics FPGA development tools including HDL Designer, ModelSim / Questa and Precision
• Familiar with Xilinx / Intel (Altera) / Microsemi (Actel) design flows (ISE, Vivado, Quartus) and third-party synthesis tools
• Experience in specifying timing and area constraints for efficient FPGA Place and Route.
• Ability to analyse system and / or hardware level requirements and derive detailed FPGA requirements
• Independent verification using VHDL
• Experience of FPGA requirements capture and requirements management tools
• De-bugging FPGA designs and supporting integration & verification at hardware and system level
• A good understanding of FPGA version control and revision control software
• Experience of making technical decisions and mitigating technical risk for FPGA design activities.
• Experience with High-Speed Serial protocols and implementations
• Ability to coordinate day to day technical activities
• Excellent communication (oral & written) & interpersonal skills
• Linux and scripting experience
• Practical experience with agile methodology
• Experience in writing technical reports/documentation

Desirable

• Development of real-time, embedded, safety-critical FPGA, preferably in accordance with RTCA/DO-254 DAL A/B or below
• Electronic Warfare or RF Systems Experience
• Defence domain experience or relevant experience in the Aerospace industry
• Development and certification of airborne equipment
• New Product Introduction experience
• Independent verification using SystemVerilog / UVM
• Experience of embedded processor cores (e.g. ARM) in FPGA designs

Qualifications

• Honours degree or equivalent in Electronics Engineering or another STEM-based subject

Current valid SC clearance would be an advantage

Due to the security requirements this role is open to SOLE UK NATIONALS ONLY

Holt Executive are partnered with leading high-performance inertial sensor manufacturer. Their solutions span tactical grade, Coriolis vibratory gyroscopes and navigation grade, quartz servo accelerometers for a range of industries, including Space, Aerospace, Marine, Energy, Industrial, Civil, and Transportation.

Our partner is seeking an FPGA Engineer to support with the specification and design of FPGA blocks.

Key Responsibilities for the FPGA Engineer:

• Specification and design of FPGA blocks.
• Creation of design documentation spanning FPGA requirements, specifications, design descriptions, and test specifications.
• Laboratory-based FPGA verification work, including system integration and testing.
• Supporting of existing FPGA design verification and board testing activities.
• Work cross-functionally with a multidisciplinary team on system architecture and design.
• Write, simulate, and verify VHDL based FPGA designs.
• Schematic, PCB Layout support, and reviews.

Key Skills & Experience for the FPGA Engineer:

• A Bachelor’s (and/or) Master’s degree in Electronic Engineering.
• Knowledge and experience of FPGA design flow; Verification, Synthesis, Partitioning, Place & Route, Timing Closure and Power Estimation.
• Knowledge of interface protocols, memory technologies and communication interfaces.
• Experience with electronic circuit & system design: analog, digital and power.
• Some knowledge of embedded systems and processor architectures.
• Experienced using laboratory equipment such as Oscilloscope, Signal Generator, Signal Analyser.
• Experience with tools such as SVN & Git
• Preferred experience with VHDL and ECSS-Q-ST-60-02 – ASIC & FPGA Development design flow for space projects.
• Strong hardware and system debugging skills.
• Proficient with scripting languages such as Python, and programming languages such as C/C++.
• Fluency in English (other languages are beneficial).

The successful candidate must be legally authorized to work in Ireland.

This opportunity is an onsite position in Ireland.

Holt Executive are partnered with a high-tech, and highly innovative Space solutions leader that are focused on the design, development and support of electronics-based systems, spanning products for satellite simulation and test, Electrical Ground Support Equipment, TT&C, TM/TC systems, modems, and data processing systems.

Our partner is seeking a Test Engineer to support with the integration and testing of their products.

Key Responsibilities for the Test Engineer:

• Testing products at Module (PCB), Sub-assembly, Unit, and System Level using pre-defined procedures.
• System integration and configuration control/management.
• Developing and validating Python-based automated test scripts and corresponding test procedures.
• Investigation and troubleshooting hardware/system anomalies.
• Defining and implementing new test setups and environments.
• Documenting test environments.
• Translating customer/user requirements into test specifications/procedures in collaboration with the hardware and software engineers.
• Prepare comprehensive test reports and support in the preparation of delivery data packages.

Key Skills & Experience for the Test Engineer:

• Education (Senior Secondary Vocational Education) in Electronics, or a bachelor’s degree in electrical engineering.
• Hands-on experience with electronic test and measurement equipment (Oscilloscopes, Signal Generators, Function/Arbitrary Waveform Generators).
• Knowledge/experience in RF (radio frequency) would be an advantage.
• Knowledge/experience in the development and maintenance of automated test environments would be an advantage.
• Experience within the Space or Aerospace industry is an advantage.
• Strong organisational and communication skills.
• Fluency in English.

The successful candidate must be legally authorized to work in the EU/EEA.

This opportunity is an onsite position in Noordwijk, The Netherlands.

Holt Executive are partnered with a high-tech, and highly innovative Space solutions leader that are focused on the design, development and support of electronics-based systems, spanning products for satellite simulation and test, Electrical Ground Support Equipment, TT&C, TM/TC systems, modems, and data processing systems.

Our partner is seeking a System Engineer to support with the analysis of requirements, system designs, and technical discussions relating to projects ranging from laser communication systems to spacecraft test and simulation systems.

Key Responsibilities for the System Engineer:

• Review and analysis of customer requirements specifications (CRS) & Statements of Work.
• System decomposition and design spanning hardware, software, and COTS.
• Supporting with input for project resourcing, planning, cost trade-offs, new developments, project risks.
• Coordination of technical discussions/meetings both internally and externally.
• Writing design documentation and test plans.
• Attending and supporting reviews with customers (e.g. PDR, CDR, TRR, etc.)
• Configuring and integrating systems.
• Producing and/or coordinating system test procedures.

Key Skills & Experience for the System Engineer:

• A degree in Optical or Electronics Engineering.
• 2+ years’ experience within Systems engineering.
• Experience and/or knowledge in SDA, CCSDS, and ECSS standards is an advantage.
• Experience and/or knowledge with lab test equipment is an advantage.
• Experience and/or knowledge in modulation and coding techniques is an advantage.
• Experience within the Space or Aerospace industry is an advantage.
• Strong organisational and communication skills.
• Fluency in English.

The successful candidate must be legally authorized to work in the EU/EEA.

This opportunity is an onsite position in Noordwijk, The Netherlands.

Holt Executive are partnered with a high-tech, and highly innovative Space solutions leader that are focused on the design, development and support of electronics-based systems, spanning products for satellite simulation and test, Electrical Ground Support Equipment, TT&C, TM/TC systems, modems, and data processing systems.

Our partner is seeking an FPGA/Firmware Engineer to support the design, implementation, and testing of firmware used in their data processing and modem products (optical).

Key Responsibilities for the FPGA/Firmware Engineer:

• Analysis of the requirements and architecture, interface definition, functional decomposition and mapping of the architectures down to component/FPGA level.
• VHDL design, implementation (coding) and simulation activities.
• Integration and verification of the firmware design on the hardware.
• Working cross-functionally with other disciplines.
• Supporting the wider team during product testing and qualification activities.
• Ensuring the design, simulation, verification results are documented.

Key Skills & Experience for the FPGA/Firmware Engineer:

• A BSc. (or higher) in Electronics Engineering.
• 2+ years of experience in FPGA/Firmware development.
• Experience with writing VHDL, synthesis, and timing verification.
• Experience with OSVVM is an advantage.
• Experience in high-speed digital circuits and associated interfaces/processors.
• Some experience in lab test equipment for on-hardware validation is an advantage.
• Some experience in modulation, coding, and other DSP techniques is an advantage.
• Prior experience within Space, or Aerospace is an advantage.
• Strong organisational and communication skills.
• Fluency in English.

The successful candidate must be legally authorized to work in the EU/EEA

This opportunity is an onsite position in Noordwijk, The Netherlands.