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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!

Senior Systems Engineer – Defence & Technology

Location: Devon (Flexible / Hybrid Working Available)
Salary: £50,000-£60,000 (DOE) + Excellent Benefits
Clearance Required: Must be eligible for UK Security Clearance

Are you a systems thinker with a passion for innovation and leadership? We’re looking for a Senior Systems Engineer to join a cutting-edge engineering team working on complex, multidisciplinary products across the full lifecycle, from concept to delivery.

This is a great opportunity to play a pivotal role in shaping high-integrity solutions across electrical, electronic, hardware, and embedded software domains. You’ll be hands-on in project delivery and drive improvements in systems engineering practice, while mentoring and supporting the wider team.

What You’ll Be Doing

• Lead systems engineering activities across complex product development programmes.
• Drive process improvements, mentor colleagues, and enhance engineering best practices.
• Define and manage system-level requirements, from stakeholder input through to compliance.
• Design system architectures, perform trade-off analyses, and guide project decisions.
• Provide technical leadership throughout the design, integration, validation, and commissioning phases.
• Engage with project managers, supply chain, production, and customers to ensure success from concept to delivery.
• Support bid and proposal activities with technical expertise and creative solutions.

What We’re Looking For

• A degree in a relevant engineering discipline.
• A strong background in multidisciplinary systems engineering (min. 5 years).
• Experience across the full product development lifecycle.
• Practical understanding of electrical and electronic systems.
• Proven track record in leading technical teams and delivering successful outcomes.
• Strong communication, organisational, and mentoring skills.
• Passion for continuous improvement and innovation.

What’s In It for You

• 37.5-hour working week with early Friday finish
• Hybrid/flexible working arrangements
• 28 days holiday + Christmas closure + holiday purchase scheme
• Matched pension contributions up to 5%
• Income protection, life assurance & EAP (mental health, GP access, physiotherapy)
• Share schemes and electric vehicle salary sacrifice
• Wellbeing initiatives, sports/social activities, and discounts platform
• Rewarding referral scheme
• Excellent learning and development opportunities

Additional Information

You must be eligible for UK Security Clearance to apply. This includes proving your right to work and UK residency for the last five years.

Ready to lead, innovate, and make a real impact? Apply now and help shape something truly impactful.

Senior Systems Engineer – Defence & Technology

Location: West Sussex (Flexible / Hybrid Working Available)
Salary: £50,000-£60,000 (DOE) + Excellent Benefits
Clearance Required: Must be eligible for UK Security Clearance

Are you a systems thinker with a passion for innovation and leadership? We’re looking for a Senior Systems Engineer to join a cutting-edge engineering team working on complex, multidisciplinary products across the full lifecycle, from concept to delivery.

This is a great opportunity to play a pivotal role in shaping high-integrity solutions across electrical, electronic, hardware, and embedded software domains. You’ll be hands-on in project delivery and drive improvements in systems engineering practice, while mentoring and supporting the wider team.

What You’ll Be Doing

• Lead systems engineering activities across complex product development programmes.
• Drive process improvements, mentor colleagues, and enhance engineering best practices.
• Define and manage system-level requirements, from stakeholder input through to compliance.
• Design system architectures, perform trade-off analyses, and guide project decisions.
• Provide technical leadership throughout the design, integration, validation, and commissioning phases.
• Engage with project managers, supply chain, production, and customers to ensure success from concept to delivery.
• Support bid and proposal activities with technical expertise and creative solutions.

What We’re Looking For

• A degree in a relevant engineering discipline.
• A strong background in multidisciplinary systems engineering (min. 5 years).
• Experience across the full product development lifecycle.
• Practical understanding of electrical and electronic systems.
• Proven track record in leading technical teams and delivering successful outcomes.
• Strong communication, organisational, and mentoring skills.
• Passion for continuous improvement and innovation.

 
What’s In It for You

• 37.5-hour working week with early Friday finish
• Hybrid/flexible working arrangements
• 28 days holiday + Christmas closure + holiday purchase scheme
• Matched pension contributions up to 5%
• Income protection, life assurance & EAP (mental health, GP access, physiotherapy)
• Share schemes and electric vehicle salary sacrifice
• Wellbeing initiatives, sports/social activities, and discounts platform
• Rewarding referral scheme
• Excellent learning and development opportunities

Additional Information

You must be eligible for UK Security Clearance to apply. This includes proving your right to work and UK residency for the last five years.

Ready to lead, innovate, and make a real impact? Apply now and help shape something truly impactful.

Opportunities at multiple UK sites (hybrid working): Somerset, Midlothian, Lincolnshire, Essex, Hampshire, Gloucestershire, Tyne and Wear.

Are you ready to shape the future of cutting-edge Electronic Warfare and Radar systems? Our partner are growing their systems engineering capability and currently hiring at multiple levels – Senior, Lead, and Principal Systems Engineers – to support the development of advanced defence technologies.

Join a collaborative, multidisciplinary team driving the development of next-generation electronic systems and contribute across the full engineering lifecycle, from requirements definition to system verification.

UK citizenship and eligibility for full security clearance required.

What You’ll Be Doing:

• Define and manage system and sub-system requirements using industry-standard tools (e.g., DOORS)
• Develop and implement requirements management and verification plans
• Ensure traceability from high-level system requirements to sub-system level
• Support the generation and review of verification evidence and compliance documentation
• Collaborate across disciplines including software, hardware, and systems teams
• Contribute to the design and integration of advanced RF, radar, and electro-optic systems

What You’ll Bring:

• Proven experience in systems engineering across the full lifecycle
• Strong skills in requirements definition, flow-down, and verification
• Expert-level or proficient in DOORS and requirements configuration
• Familiarity with engineering tools such as Atlassian suite, Cameo Systems Modeler, or MATLAB
• Understanding of EW, RF, Radar, or electro-optical system design
• Excellent communication skills and ability to work effectively across engineering teams

 
Opportunities Across Levels:

• Senior Systems Engineers – Contribute technically and support project delivery
• Principal Systems Engineers – Drive system architecture, strategy, and technical leadership
• Lead Systems Engineers – Provide technical direction and mentor junior staff

Join a team at the forefront of defence technology innovation, where you can take ownership of challenging projects, collaborate with experts, and grow your career at the level that suits your experience.

Apply today and be part of building tomorrow’s defence capabilities.

Are you ready to shape the future of cutting-edge Electronic Warfare and Radar systems? Our partner are growing their systems engineering capability and currently hiring at multiple levels – Senior, Lead, and Principal Systems Engineers – to support the development of advanced defence technologies.

Join a collaborative, multidisciplinary team driving the development of next-generation electronic systems and contribute across the full engineering lifecycle, from requirements definition to system verification.

UK citizenship and eligibility for full security clearance required.

What You’ll Be Doing:

• Define and manage system and sub-system requirements using industry-standard tools (e.g., DOORS)
• Develop and implement requirements management and verification plans
• Ensure traceability from high-level system requirements to sub-system level
• Support the generation and review of verification evidence and compliance documentation
• Collaborate across disciplines including software, hardware, and systems teams
• Contribute to the design and integration of advanced RF, radar, and electro-optic systems

What You’ll Bring:

• Proven experience in systems engineering across the full lifecycle
• Strong skills in requirements definition, flow-down, and verification
• Expert-level or proficient in DOORS and requirements configuration
• Familiarity with engineering tools such as Atlassian suite, Cameo Systems Modeler, or MATLAB
• Understanding of EW, RF, Radar, or electro-optical system design
• Excellent communication skills and ability to work effectively across engineering teams

Opportunities Across Levels:

• Senior Systems Engineers – Contribute technically and support project delivery
• Lead Systems Engineers – Provide technical direction and mentor junior staff
• Principal Systems Engineers – Drive system architecture, strategy, and technical leadership

Join a team at the forefront of defence technology innovation, where you can take ownership of challenging projects, collaborate with experts, and grow your career at the level that suits your experience.

Apply today and be part of building tomorrow’s defence capabilities.

Are you ready to lead and inspire the next generation of engineers while solving complex infrastructure challenges? We’re looking for a Systems Engineering Lead to join a high-performing team working on critical facilities and infrastructure projects.

In this role, you’ll mentor and guide a small team of junior and graduate engineers, applying systems thinking principles to real-world problems. You’ll act as a technical leader, providing oversight, shaping project scope, facilitating stakeholder engagement, and ensuring quality delivery across the project lifecycle.

What You’ll Be Doing:

• Lead and support a team of junior systems engineers, offering coaching and technical guidance
• Apply practical systems engineering in the context of infrastructure and facilities maintenance
• Ensure effective project scoping, requirements capture, and problem definition
• Represent the systems engineering function in customer-facing engagements
• Review and develop technical documents: requirements sets, interface definitions, V&V plans, etc.
• Integrate systems engineering into broader project and design assurance processes
• Drive continuous improvement of tools, templates, and systems engineering practices

What We’re Looking For:

• A degree in Mechanical Engineering or related field (Master’s or working toward CEng status preferred)
• 5+ years’ experience in systems engineering within a regulated industry (e.g. aerospace, defence, infrastructure)
• Solid understanding of systems engineering across the full lifecycle
• Confident communicator with stakeholder management experience
• Proven mentorship or team leadership capabilities
• Strong analytical skills and a structured approach to complex challenges

Desirable Skills:

• Familiarity with INCOSE SE Handbook or defence systems standards
• Exposure to MBSE, SysML or similar modelling tools
• Knowledge of IBM DOORS
• Understanding of digital twin or BIM integration
• Experience in maintenance planning or asset management systems

Additional Information:

You must be a UK National and eligible for Security Clearance to be considered for this role.

If you’re passionate about solving real-world engineering problems and growing your career in systems leadership, we’d love to hear from you.

Our partner are growing their national team of Marine Electronics Technicians and Engineers, to be based at various sites in the UK (eg. Portsmouth, Hull, Liverpool, Chelmsford, Lowestoft)

Join a dynamic team that delivers cutting-edge navigation, communication, and safety systems to commercial vessels. You’ll be working hands-on with industry-leading equipment, ensuring vessels remain operational, compliant, and connected. The company value initiative, technical skill, and a customer-first approach; if that sounds like you, we want to hear from you.

What You’ll Be Doing:

• Installing and commissioning marine electronics on vessels
• Performing maintenance, repairs, and equipment surveys
• Supporting customers with diagnostics and fault resolution
• Identifying service opportunities and recommending solutions
• Delivering projects across the UK and occasionally overseas

What We’re Looking For:

• HNC/HND in Electronics or Electrical Engineering (or equivalent)
• Experience in:
  • Marine or field-based electronics
  • Electronic navigation and communication systems
  • Fault-finding and installation
  • Technical support and project engineering

• Essential: Full UK driving licence
• Medical: Must be able to pass a medical and annual working at height training
• Right to Work: Applicants must have the legal right to work in the UK. Sponsorship is not currently available.

What’s On Offer:

• Competitive salary
• Company car
• Career development pathways from Technician to Senior Engineer
• Training opportunities and autonomy in your role

Apply now and be part of the future of marine electronics.

Are you a mechanical engineer with a passion for innovation, rugged electronics, and delivering real-world solutions? An exciting opportunity has opened for a Senior Mechanical Engineer to join a high-performing Hardware team focused on the development of advanced video and imaging processing products. This role is central to designing and delivering mechanical and thermal solutions for ruggedised, high-performance computing systems used in demanding environments.

What You’ll Be Doing:

• Take ownership of mechanical and thermal design for rugged computer and video tracking products.
• Use SolidWorks 3D CAD software to develop enclosure and packaging designs.
• Lead mechanical engineering activities within small, multidisciplinary project teams.
• Perform engineering analyses including stress, fatigue, thermal, and vibration assessments.
• Conduct lab testing for design verification and validation.
• Produce detailed engineering reports for product design, failure investigations, and technical documentation.
• Collaborate with electronic and systems engineers to integrate components and subsystems.
• Maintain accurate engineering documentation including BOMs, ECRs, and design data.
• Support production, test, and field teams through design handover and troubleshooting.
• Work closely with project managers and sales teams to estimate and deliver on project goals.
• Assist with technical input for proposals, bids, and customer documentation.

What You’ll Bring: Essential:

• A degree in Mechanical Engineering.
• Proficiency in SolidWorks 3D CAD.
• Experience designing enclosures for electronic equipment.
• A strong foundation in mechanical principles and a creative mindset.
• Demonstrated experience across the full product development lifecycle.
• Understanding of DFM, machining, casting, moulding, and fabrication techniques.
• Excellent communication and collaboration skills.
• Ability to lead technical work and deliver to deadlines.

Desirable:

• Experience designing for harsh or rugged environments.
• Background in defence, scientific equipment, or specialist machinery.
• Familiarity with document control systems (e.g., Dassault 3DEXPERIENCE).
• Skilled in engineering calculations and Microsoft Office tools.

  Benefits & Perks:

• Flexible hybrid working options
• 28 days annual leave + holiday purchase scheme
• Friday lunchtime finish
• Group pension with matched contributions
• Income protection and life assurance
• Remote GP, mental health support, and physiotherapy services
• Share incentive plans and EV salary sacrifice
• Employee rewards platform and social events
• Onsite parking and wellbeing initiatives
• Training and development opportunities

Additional Information: Due to the nature of the work, all 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.

Ready to make an impact with cutting-edge hardware in a high-performance environment? Apply today and help shape the future of rugged technology.

Are you a Hardware Engineer working on defence products? I have some exciting CONTRACT opportunities for Digital Hardware engineers at various levels on cutting edge defence projects.

These roles are on a hybrid basis with 3 days from home and 2 days in the office per week.

The Senior / Principal Digital hardware engineer would be responsible for design, commissioning and test of high-speed digital electronics hardware, i.e. Printed Circuit Assemblies (PCA’s) on complex systems for airborne Radar products.

The successful candidate may be required to supervise other less experienced digital hardware engineers working on the same project.

The role will be based at our customer’s site in Edinburgh and may allow for hybrid working after an initial period of familiarisation onsite.

Job Responsibilities:

• Creating high-quality and robust digital electronics designs
• Documenting and recording deliverables 
• Supporting integration & verification activities at hardware and system level 
• Keeping designs under configuration control
• Providing progress reports 

Work Experience

Skills, Qualifications and Experience required:

Essential

• Degree or equivalent in Electronics Engineering or other STEM-based subject
• Proven Expertise designing high-speed digital electronics using the latest FPGA and/ or microprocessor devices and high-speed interconnect technology
• Proficient in schematic capture using Mentor Graphics (Siemens EDA) DxDesigner or similar tools
• Experience of high-speed serial communication interfaces/ protocols (e.g. PCIe, Ethernet/ IEEE802.3, SPI, I2C, etc.) and high-speed bus architectures (e.g. DDR3/4)
• Use of high-speed digital design techniques such as signal termination, controlled impedance, matched length tracking, ground/ power planes, decoupling, etc. 
• Functional simulation & timing analysis /constraints at circuit level
• Experience of PCB layout, working closely with and providing guidance to PCB layout engineers on high-speed digital designs
• Hands on experience of integrating hardware, firmware & software on FPGA and microprocessor-based PCA’s
• Ability to coordinate day to day technical activities, liaising closely with the lead engineer / digital hardware lead & other engineering disciplines
• Experience of liaising with Manufacturing / Production colleagues and external suppliers of key components and assemblies
• Excellent communication (oral & written) & interpersonal skills
• Ability to analyse system requirements and derive detailed hardware requirements
• Experience of debugging & testing new hardware designs 
• Previous experience of the full hardware design lifecycle and presenting designs for peer and formal design reviews
• Self-motivated, with an aptitude to problem solve and drive difficult issues to conclusion
• Experience in writing technical reports / documentation

Desirable

• Relevant experience in the Aerospace/ Defence industry or on other complex/ high-reliability systems
• Experience of signal integrity & power integrity analysis at board level using Hyperlynx SI/PI or equivalent
• Knowledge of FPGA/ Software coding languages (VHDL, C, Assembler)
• Experience of hardware requirements capture, requirements management tools and formal verification of hardware requirements
• Experience of supervising other digital hardware engineers, planning and managing work for yourself and a small team 

Qualifications

• Honours or Masters degree in Electronics Engineering or related STEM subject 

Security

• Due to security requirements, these roles are open to SOLE UK NATIONALS ONLY

Join our client and leverage your expertise and leadership in electronics design to make a significant impact!

Holt Executive is partnered with a leading electro-optics design and manufacturing business, seeking a Senior Electronics Engineer to join their expanding Engineering team. If you are passionate about innovation and leadership in electronics design, this role is for you.

As a Senior Electronics Engineer, you will play a key role in developing cutting-edge electronics and leading a talented team. Your expertise will drive innovation, ensuring high standards of engineering practice and project success.

Key Responsibilities for the Senior Electronics Engineer:

• Expertise in circuit design, components, and PCB technology.
• Work in EMC, Power Management, Servo Control, processor interfacing, and communications.
• Define and review overall architecture, including power management and system wiring.
• Lead by example, setting standards for good engineering practices.
• Drive innovation within the department, regularly communicating with senior management, customers, and stakeholders.
• Lead the development or enhancement of technology, providing subject matter expertise for R&D projects.
• Technical leadership of multi-disciplined projects, fostering a systematic approach and delivering solutions to customers.
• Provide insights into resource planning and support other engineers through training and development.

 
Key Skills and Experience for the Senior Electronics Engineer:

• Strong degree in a related discipline accredited by the IET, with typically 6 years of relevant experience.
• Proven experience in leading or supervising projects or teams.
• Solid theoretical and practical understanding of electrical and electronic designs.
• Ability to perform analysis-based activities such as circuit emulation and power budgets.
• Capability to assess and highlight key project risks and design activities.
• Awareness of the full project lifecycle from bid development to customer support.
• Proven track record of innovation-based approaches in engineering and leading, managing, or mentoring engineers.
• Ability to investigate and fault-find technical problems at PCB or system level.
• Experience with Embedded Software Design, including ARM/KEIL.
• Knowledge of EMC to military standards and managing issues at architecture and embedded levels.
• Understanding of motors and drive technology, with skills in control systems analysis.
• Proficiency in analysis and simulation tools such as Python, MATLAB, Simulink, LT-Spice, Simetrix.
• Familiarity with management tools like JIRA, Confluence, MS Project.
• Expertise in PCB design tools such as Altium, Cadence OrCAD.
• Familiarity with design resilience techniques like Failure Mode Effects Analysis.
• Awareness of Lightning Direct and Indirect Effects.

 Company Benefits:

• 37.5-hour work week with lunchtime finishes on Fridays.
• 28 days annual leave and Christmas closure.
• Employee Help@Hand Service providing access to remote GP services, second opinions, mental health support, and physiotherapy consultations.
• Life Assurance Policy, including Bereavement Counselling and Probate Helpline.
• Company Share Incentive Plan and Save as You Earn Scheme.
• Wellbeing initiatives, including access to the Aviva Wellbeing App and regular wellbeing activities.
• Employee discount scheme, including access to a wellbeing hub.
• Excellent Learning & Development opportunities.

 
Security Clearance Requirements:
Due to the nature of our business, our staff need to be able to obtain UK Security Clearance as a mandated requirement. Therefore, if successful, you will need to provide proof of identity, employment history and right to work in the UK, along with proof of UK residency for at least five years.

If your skills and experience match this exciting Senior Electronics Engineer opportunity, we encourage you to apply now!