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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!

Holt Recruitment are delighted to be partnered with a global leader within the remote connectivity/technology space to support a critical Offshore Telecommunication Engineer – VSAT.

Our partner is looking for an experienced Engineer to support Installation, configuration, commissioning, and fault diagnostics of Telecommunication and Connectivity services.
 
Key Responsibilities for the Offshore Telecommunication Engineer – VSAT role:

• Installation, commissioning & fault diagnostics of GEO VSAT fixed single and dual Antenna Systems.
• Commissioning & fault diagnosis of single & multiple carrier services on the above systems related to specific manufacturer Satellite access technologies for SCPC, TDMA, IDirect, newtech & CnC.
• Installation and commissioning of LEO VSAT systems such as Avanti.
• Installation and commissioning of LTE services in the North Sea.
• Installation of P2P/LOS and Fiber Optic WAN services.
• Installation, configuration and commissioning of managed Network Lan infrastructure on site.
• Installation, configuration, commissioning, and fault diagnostics of Out of Band system.
• Completes all Field documentation and reporting procedures.

 Key Experience required for the Offshore Telecommunication Engineer – VSAT role:

• HNCHND Electrical/Electronic/Computer Engineering qualification.
• 5 years of experience in similar role. 
• Seatel, Intellian, Orbit factory training certifications.
• GVF Certifications relevant to VSAT.
• Approved Fibre training (Splicing and Measurement).
• Proven experience of electrical installation & termination.
• Proven knowledge of basic LAN network infrastructure hardware, cabling & test.
• Proven knowledge of associated test equipment (Spectrum Analyser, RF Power meter, DVM, OTDR, Lan Tester).
• EU or Norwegian citizenship ability to work in Norway (sponsorship not available).

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

Holt Recruitment are delighted to be partnered with a global leader within the remote connectivity/technology space to support a critical Offshore Telecommunication Engineer – VSAT.

Our partner is looking for an experienced Engineer to support Installation, configuration, commissioning, and fault diagnostics of Telecommunication and Connectivity services.

Key Responsibilities for the Offshore Telecommunication Engineer – VSAT role:

• Installation, commissioning & fault diagnostics of GEO VSAT fixed single and dual Antenna Systems.
• Commissioning & fault diagnosis of single & multiple carrier services on the above systems related to specific manufacturer Satellite access technologies for SCPC, TDMA, IDirect, newtech & CnC.
• Installation and commissioning of LEO VSAT systems such as Avanti.
• Installation and commissioning of LTE services in the North Sea.
• Installation of P2P/LOS and Fiber Optic WAN services.
• Installation, configuration and commissioning of managed Network Lan infrastructure on site.
• Installation, configuration, commissioning, and fault diagnostics of Out of Band system.
• Completes all Field documentation and reporting procedures.

 
Key Experience required for the Offshore Telecommunication Engineer – VSAT role:

• HNCHND Electrical/Electronic/Computer Engineering qualification.
• 5 years of experience in similar role. 
• Seatel, Intellian, Orbit factory training certifications.
• GVF Certifications relevant to VSAT.
• Approved Fibre training (Splicing and Measurement).
• Proven experience of electrical installation & termination.
• Proven knowledge of basic LAN network infrastructure hardware, cabling & test.
• Proven knowledge of associated test equipment (Spectrum Analyser, RF Power meter, DVM, OTDR, Lan Tester).
• EU or Norwegian citizenship ability to work in Norway (sponsorship not available).

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

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.

Holt Recruitment are delighted to be partnered with a global leader within the remote connectivity/technology space to support a critical Offshore Telecommunication Engineer – VSAT.

Our partner is looking for an experienced Engineer to support Installation, configuration, commissioning, and fault diagnostics of Telecommunication and Connectivity services.

Key Responsibilities for the Offshore Telecommunication Engineer – VSAT role:

• Installation, commissioning & fault diagnostics of GEO VSAT fixed single and dual Antenna Systems.
• Commissioning & fault diagnosis of single & multiple carrier services on the above systems related to specific manufacturer Satellite access technologies for SCPC, TDMA, IDirect, newtech & CnC.
• Installation and commissioning of LEO VSAT systems such as Avanti.
• Installation and commissioning of LTE services in the North Sea.
• Installation of P2P/LOS and Fiber Optic WAN services.
• Installation, configuration and commissioning of managed Network Lan infrastructure on site.
• Installation, configuration, commissioning, and fault diagnostics of Out of Band system.
• Completes all Field documentation and reporting procedures.

Key Experience required for the Offshore Telecommunication Engineer – VSAT role:

• HNCHND Electrical/Electronic/Computer Engineering qualification.
• 5 years of experience in similar role. 
• Seatel, Intellian, Orbit factory training certifications.
• GVF Certifications relevant to VSAT.
• Approved Fibre training (Splicing and Measurement).
• Proven experience of electrical installation & termination.
• Proven knowledge of basic LAN network infrastructure hardware, cabling & test.
• Proven knowledge of associated test equipment (Spectrum Analyser, RF Power meter, DVM, OTDR, Lan Tester).
• EU or Norwegian citizenship ability to work in Norway (sponsorship not available).

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

Are you an RF Engineer ready to step up into a more senior, impactful role? We’re looking for a talented engineer with hands-on RF experience to help develop the next generation of Electronic Counter Measure (ECM) systems.

This is a fantastic opportunity to work on cutting-edge defence technology with a growing team at the forefront of RF and Electronic Warfare innovation.

As an RF Hardware Engineer, you’ll join an expert engineering team focused on designing and verifying high-performance RF sub-systems, including transceivers and power amplifiers from DC to 12GHz. You’ll be involved in the full lifecycle, from simulation and design to implementation and integration.

Key Responsibilities:

• Design and verification of complex RF and analogue sub-systems
• Simulation and implementation of broadband power amplifiers and T/R switches
• Collaborate with software, firmware, PCB, and mechanical engineers
• Work with SPICE, EM simulators, and Mentor Graphics tools
• Support integration and test using RF test equipment
• Provide technical input and support estimation, planning, and delivery

Ideal Skills & Experience:

• RF and analogue circuit design and testing
• EM and large-signal simulation experience
• Experience with RF cascade analysis and PCB integration
• Knowledge of electronic components and systems
• Understanding of requirements management and system engineering processes
• Strong collaboration and communication skills

Qualifications & Security:

• HND/HNC or Degree in Electrical & Electronic Engineering or related STEM field
• Must be a UK or EU citizen (eligible for SC clearance)
• Current valid SC clearance is a plus

If you’re looking to push your career forward in the RF/defence domain, this is a fantastic opportunity to make your mark on mission-critical technology.

Holt Executive are currently partnered with a leading global satellite operator, delivering secure voice and high-speed data communications to broadcast, telecom, corporate, and government customers around the world. Their Low Earth Orbit (LEO) satellite network is set to revolutionize global broadband connectivity, and we’re supporting their search for a Systems Configuration Management Specialist to join the team.

In this role, you’ll support a ground-breaking LEO satellite program, managing system configuration and documentation across hardware, software, and systems. You’ll work closely with the Systems Engineering and Integration, Verification & Validation teams, ensuring that the program’s technical baseline is fully traceable, documented, and audit-ready.

Key Responsibilities:

System Configuration Management

• Maintain and control configuration baselines across HW and SW environments.
• Act as the owner of all documentation defining configuration and verification status.
• Track “as-built” configurations and enforce single-source-of-truth practices.
• Use CM tools for configuration identification, control, status accounting, audits, and releases.
• Collaborate with engineering and program teams to manage data integrity.
• Understand and follow ITAR compliance processes.

System Document & Requirements Management

• Track delivery schedules for internal and vendor technical documentation (e.g. TRDs, IRDs, ICDs, CDRLs, SDRLs).
• Ensure timely release and version control of all system-level technical data.
• Resolve document/data issues and provide clear reporting to program management.
• Support configuration verification during major program milestones and reviews.

Experience Required:

• Bachelor’s or College Degree in Engineering, Science, or a related field.
• 3+ years of experience in a multi-disciplinary engineering environment.
• Familiarity with Configuration Management standards and tools.
• Strong documentation and version control discipline.
• Experience in Data or Configuration Management (2+ years preferred).
• Experience working alongside HW, SW, Systems, and Test teams.

Desirable:

• Bilingual in English and French.
• Experience in the satellite, aerospace, or telecoms industry.

Why Apply?

This is your opportunity to play a vital role in one of the most ambitious and technically exciting satellite programs in the world. The position offers a hybrid working model, career growth, and the chance to be part of a forward-thinking team committed to redefining global connectivity.

Clearance: Must be eligible for Canadian Reliability Clearance / Controlled Goods Program

Interested?
Apply now or send your CV directly to info@holtexecutive.com

Lead Software Engineer

Holt Executive are partnered with a NewSpace Earth Observation and Satellite Solutions company that specialize in the delivery on very high-resolution satellite based imagery and data for end users across a range of industries.

Our partner is seeking a Lead Software Engineer to support the design, architecture, implementation, optimization, and maintenance of backend systems, APIs, and processing pipelines to support AI and satellite image processing workflows.

Key Responsibilities for the Lead Software Engineer:

• Take the lead in designing and developing backend systems, APIs, and batch processing pipelines.
• Build and optimize scalable data workflows and integrate AI solutions effectively.
• Collaborate closely with the CTO and cross-functional teams to define technical direction and architectural decisions.
• Mentor junior engineers and interns, fostering their technical skills and professional growth.
• Perform thorough code reviews, uphold high coding standards, and promote best engineering practices.
• Monitor system performance, diagnose and resolve issues, and drive ongoing improvements in reliability.
• Contribute to the development of internal tools and client-facing interfaces using React when needed.
• Oversee and maintain DevOps workflows and infrastructure across cloud platforms.

Key Skills & Experience for the Lead Software Engineer:

• Bachelor’s or Master’s degree in Computer Science or a related discipline.
• Over 3 years of professional experience in backend software development.
• Advanced expertise in Python – bonus if you have experience in C++, Go, and/or Rust.
• Deep understanding of microservices architecture and RESTful API design principles.
• Strong proficiency with both relational and NoSQL databases.
• Demonstrated experience in mentoring engineers and providing technical leadership.
• Familiarity with React or similar modern frontend frameworks.
• Practical experience with major cloud platforms such as AWS, GCP, or Azure.
• Skilled in DevOps practices and Infrastructure as Code using tools like Docker, Kubernetes, CI/CD pipelines, Terraform, or CloudFormation.
• Bonus: Experience with AI/ML frameworks (e.g., TensorFlow, PyTorch) and satellite imagery processing workflows.

The successful candidate must be able to work in The United States.

This opportunity is an onsite position in Florida.

If your skills and experience match this Lead Software Engineer opportunity, we encourage you to apply now!

Are you passionate about Human Factors, cockpit design, and military aviation? Join a cutting-edge team shaping the future of fighter jet technology as a Senior Human Factors Engineer.

Be part of a unique opportunity to influence fast jet cockpit design, support simulator development, and collaborate with pilots and stakeholders to deliver intuitive, effective Human-Machine Interfaces (HMI).

UK citizenship and eligibility for full security clearance required.

What You’ll Be Doing:

• Analyse pilot use-cases and concepts of operation to guide cockpit design
• Apply Human Factors principles to enhance HMI design for the Typhoon fighter aircraft
• Collaborate with Avionics System teams, Test Pilots, Flight Test communities, and customers
• Contribute to requirement derivation and conceptual HMI solutions
• Participate in the development of immersive simulators and full-scale cockpit mock-ups
• Support flight testing of new cockpit equipment and designs
• Work on capabilities such as sensor integration, navigation, communications, weapons control, and defensive aids
• Conduct Human Error Analysis to support safety and airworthiness
• Define and evolve cockpit control schemes and visual symbology
• Produce technical documentation, support usability assessments, and assist with qualification and system clearances

What You’ll Bring:

• A degree (or equivalent) in Human Factors, Psychology, or User-Centred Design
• Excellent written and verbal communication skills
• Confidence in presenting to varied stakeholders
• Experience deriving system requirements from high-level customer needs
• Ability to manage multiple concurrent tasks independently

Desirable Skills:

• Experience with usability testing, user assessments, and simulator-based trials
• Knowledge or background in the Military Air domain
• Familiarity with cockpit integration, HMI development, and fast jet systems

This Role Is Perfect For You If You:

• Are passionate about user-centred design and fast jets
• Want to experience operating fighter jet systems in immersive simulations
• Enjoy working in cross-functional teams to influence real-world defence technology
• Thrive in a fast-paced, high-impact engineering environment

Take the next step in your Human Factors career and help define the future of military aviation. Apply today and become a key part of a team delivering the next generation of fighter cockpit systems.