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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.

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 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.

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.

Are you a systems engineering professional looking to work on mission-critical aerospace systems? We’re hiring a Senior Systems Engineer to join a high-performing team developing advanced release systems used across some of the world’s most prominent military aircraft platforms.

This role offers the opportunity to work across the full system lifecycle, from concept through to design, integration, and in-service support, on projects that directly support national and global security operations.

What You’ll Be Doing:

• Lead systems engineering activities, from technical planning and requirements management to verification and validation.
• Analyse system performance across concept, design, testing, installation, and operations phases.
• Collaborate cross-functionally with stakeholders to interpret operational needs and translate them into system requirements.
• Conduct trade studies, requirements allocation, and interface definitions.
• Support complex project and task management across multidisciplinary teams.
• Help shape operational documentation and ensure engineering solutions meet technical, schedule, and cost expectations.

What You’ll Bring:

• Degree in Engineering or a related discipline (or equivalent industry experience).
• 6+ years’ experience in systems engineering, with knowledge of the full development lifecycle.
• Strong background in requirements management and systems architecture.
• Skilled in documentation, reporting, and technical communications.
• Experience with tools like DOORS, Innoslate, or equivalent.
• Awareness of CAD, CFD, and FEA tools and regulatory compliance processes (e.g. MAA, DAOEs) is an advantage.
• Comfortable providing mentoring or coaching to less experienced engineers.

Desirable Experience:

• Background in aerospace, defence, or mission-critical system environments.
• Exposure to IPS/ILS (Integrated Product or Logistics Support).
• Experience in supporting Certificate of Design and regulatory approvals.

Why Join?

• Half-day Fridays for better work-life balance
• 25 days annual leave (plus bank holidays), increasing with service
• Private medical insurance (with optional family cover)
• Up to 7% employer pension contribution
• Life assurance, group income protection, and a flexible benefits platform including gym membership, dental, critical illness cover, and cycle-to-work
• Access to an employee assistance programme for mental health and wellbeing

Eligibility Requirements:

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

This is an exciting opportunity to work on cutting-edge systems that make a real impact. If you’re ready to take on a senior technical role with hands-on influence and strategic oversight, we want to hear from you.

Apply now to join a team shaping the future of aerospace technology.

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.