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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!

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 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.

Test Engineer

Calling all Electronics Test Engineers! An exciting opportunity for a Test Engineer exists with a leading defence company. The Test Engineer will take responsibility for testing electro-optical components, sub-assemblies, assemblies, and systems, and recording results accurately, flagging issues to the engineering team, and carrying out fault-finding to diagnose production or design issues.

Key Responsibilities:

• Undertaking Factory Acceptance Tests using standard workshop test equipment such as power supplies, digital multi-meters & oscilloscopes.

• Assist in creating test procedures and FAT documents.

• Fault-find electromechanical equipment.

• Effective communications with both technical and non-technical personnel.

• Adhere to the company’s procedures, policies and goals.

• Ensure at all times that health & safety regulations and guidelines are followed.

• Ensure that all procedures are followed as specified in the Quality Manual.

• Maintain documentation to ensure it is kept accurate and up to date in accordance with ISO 9001 standards.

• Assist in maintaining the office and workshop in a clean and orderly state and ensure good project house keeping

• Actively support continuous improvement activities.

• Support field service when required.

Skills & Experience

Essential

• Excellent knowledge of manual testing electrical and electronics systems.

• Ability to write comprehensive test plans and factory acceptance tests for new product launches.

• Able to read complex technical drawings, wiring diagrams and PCB schematics.

• Will be able to support production and quality activities when required.

• ONC or equivalent in Electronics Engineering

• Experience with manual test and integration.

• Computer Literate and competent with using Microsoft Word and Excel packages.

Desirable 

• PCB testing and fault-finding experience

• Good knowledge of digital camera and video protocols.

• Knowledge of automated test software.

• PLC programming.

• Experience in CAD packages.

• Experience in communication protocols.

• Understanding of networking and network infrastructure.

Personal Attributes

• Have the ability to liaise with customers verbally and in writing in an effective manner, producing reports and participating in formal design reviews.

• Be able to communicate clearly and effectively with all stakeholders and build relationships in order to understand diverse and complex requirements.

• Have the ability to fit in and work well both in a team and in working autonomously when required (change from The ability to work independently when required).

• Highly organised and methodical approach, with an eye for detail.

• A flexible, conscientious, and diligent attitude.

• A resilient and adaptable approach at all times.

• Demonstrates our company values of Teamwork, Integrity, Excellence and Courage.

• Highly organised and methodical approach, with an eye for detail.

• The ability to work independently when required.

• A flexible, conscientious, and diligent attitude.

• A resilient and adaptable approach at all times.

Work life balance:

• 37.5 hour working week

• Lunchtime finishes on a Friday

• 28 days annual leave

• Christmas closure

• Holiday purchasing scheme

Benefits:

• Group pension plan – matched contributions up to 5%

• Income protection scheme and Employee Assistance Programme

• Employee Assistance Programme gives you and your family access to 4 key services including remote GP service, second opinion, mental health pathway service and physiotherapy consultations

• Life assurance policy, including bereavement counselling and probate helpline

• Company shares incentive plan and save as you earn scheme

• Electric vehicle salary sacrifice scheme

• Wellbeing initiatives, including access to wellbeing app and the addition of mental health support for all employees. Plus, regular activities across our sites to support and promote wellbeing

• Regular sports and social activities

• Gym membership discounts

• Reward platform (high street discounts, employee benefits, health, and wellbeing offerings).

• Recruitment referral bonus scheme

• Excellent learning & development opportunities

• Great working environment with free, onsite car parking across all our locations

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.

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.

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 passionate about aviation, digital innovation, and data-driven services? Step into a high-impact role shaping the future of flight safety and operational analytics as a Sales Manager. Join a dynamic team at the forefront of aviation SaaS and flight data services, working with cutting-edge cloud-based platforms to deliver safety, performance, and operational insights to aircraft operators across the globe.

UK work eligibility required.  

What You’ll Be Doing:

• Lead the global sales campaign for digital and data services, with a focus on flight data analytics and SaaS
• Identify, qualify, and win new business across airlines, business aviation, and MRO sectors
• Support the roll-out and commercial success of new SaaS solutions, including flight training analytics and Big Data platforms
• Build and deepen relationships with aviation clients, providing tactical guidance on key accounts
• Drive commercial negotiations, from lead through to contract signature
• Forecast revenue and market trends to inform operational and strategic planning
• Collaborate with product and data teams to shape innovative service offerings that align with market needs
• Guide marketing initiatives and represent the organisation at industry forums and conferences
•  

What You’ll Bring:

• Demonstrable experience in aviation or SaaS sales, or within safety/data-driven service environments
• Proven ability to articulate commercial opportunities and close complex deals
• Strong customer orientation with a focus on satisfaction and long-term partnerships
• Excellent interpersonal and negotiation skills, with confidence engaging senior stakeholders
• A proactive, initiative-driven mindset and ability to operate independently
• Willingness to travel globally up to 20% of the time

Desirable Skills:

• Degree-level education (not essential)
• Experience in SaaS or analytics product sales
• Familiarity with aviation operations, data-based services, or airline safety environments
• Understanding of commercial contracting and service design
• Existing network within airlines, business aviation, or MRO clients
• Experience collaborating with operational or delivery teams

This Role Is Perfect For You If You:

• Want to make a meaningful impact in aviation safety and operational performance
• Are excited by SaaS, big data, and commercial aviation technologies
• Thrive in fast-moving, growth-driven business environments
• Enjoy working with cross-functional teams and shaping future-focused solutions
• Want to be part of a forward-thinking organisation, recognised as a leader in flight data analytics

Why Join Us?

• 25 days annual leave (+ bank holidays), with the ability to buy/sell 5 days
• Private medical insurance and optional family cover
• Pension scheme with up to 7% employer contribution
• Life Assurance (4x salary, flexible up to 10x)
• Group income protection
• Flexible benefits: dental, gym, critical illness cover, cycle-to-work scheme, and more
• Mental health and wellbeing support
• Crawley site: subsidised staff restaurant and EV charging

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

Our partner are growing their national team of Marine Electronics Technicians and Engineers. Whether you’re just starting out or an experienced professional ready to lead projects and mentor others, we have the right opportunity for you.

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

Skills:

• Strong problem-solving ability
• Clear communication and customer-focused mindset
• Essential: Full UK driving licence

Desirable (but not essential):

• GMDSS Operator’s Certificate
• Radio/VDR Survey or Class Approval experience
• BOSIET/OLF Certification
• Manufacturer-specific training

Medical: Must be able to pass a medical and annual working at height training

What’s On Offer:

• Competitive salary (based on qualifications and experience)
• Company car
• Employer contribution pension scheme
• Career development pathways from Technician to Senior Engineer
• Training opportunities and autonomy in your role

Right to Work: Applicants must have the legal right to work in the UK. Sponsorship is not currently available.

Equal Opportunities: We welcome applications from all suitably qualified candidates.

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