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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

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.

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 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

Holt Executive are partnered with a 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.

Our partner is seeking a User Terminal Architect to play a vital role in in the design and development of next-generation satellite user terminals.

Key Responsibilities for the User Terminal Architect:

• Support the design, development, and optimization of Modem architectures.
• Drive trade-space discussions.
• Collaborate with cross-functional engineering teams to ensure that integration of the modem with other terminal components is seamless.
• Developing and implementing signal processing algorithms.
• Performance analysis, and test reviews of modem designs, including link budget analysis.
• Ensure compliance is met with relevant industry standards.
• Lead the development and testing of prototypes.
• Work with third-party vendors, manufacturers, and a cross-functional engineering and product team to ensure cohesion with the system design.

Key Skills & Experience for the User Terminal Architect: 

• A Bachelor’s or Master’s degree in Electrical Engineering, Telecommunications, Computer Science, or a related field.
• 6+ years of experience in satellite communication systems, modem design, and ideally FPGA design and signal processing.
• Strong knowledge of digital communication systems, including modulation techniques, error correction methods, and RF systems.
• Proficiency with design and simulation tools such as MATLAB, Simulink, or similar. Experience with DSP programming is a plus.
• Experience with making trade-offs between performance and cost at the component and the system level.
• Experience with the full lifecycle of hardware and modem designs – from inception, design, production, and fielding.

 
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 User Terminal Architect opportunity, we encourage you to apply now!

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!

Holt Executive are partnered with a 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.

Our partner is seeking a User Terminal Architect to play a vital role in in the design and development of next-generation satellite user terminals.

Key Responsibilities for the User Terminal Architect:

• Support the design, development, and optimization of Modem architectures.
• Drive trade-space discussions.
• Collaborate with cross-functional engineering teams to ensure that integration of the modem with other terminal components is seamless.
• Developing and implementing signal processing algorithms.
• Performance analysis, and test reviews of modem designs, including link budget analysis.
• Ensure compliance is met with relevant industry standards.
• Lead the development and testing of prototypes.
• Work with third-party vendors, manufacturers, and a cross-functional engineering and product team to ensure cohesion with the system design.

Key Skills & Experience for the User Terminal Architect: 

• A Bachelor’s or Master’s degree in Electrical Engineering, Telecommunications, Computer Science, or a related field.
• 6+ years of experience in satellite communication systems, modem design, and ideally FPGA design and signal processing.
• Strong knowledge of digital communication systems, including modulation techniques, error correction methods, and RF systems.
• Proficiency with design and simulation tools such as MATLAB, Simulink, or similar. Experience with DSP programming is a plus.
• Experience with making trade-offs between performance and cost at the component and the system level.
• Experience with the full lifecycle of hardware and modem designs – from inception, design, production, and fielding.

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

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 User Terminal Architect opportunity, we encourage you to apply now!

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!

High-Performance Computing Team Leader

Holt Executive are partnered with a 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.

Our partner is seeking a High-Performance Computing Team Leader to play a vital role in the operation, and support of the constellation management systems and systems model.    

Key Responsibilities for the High-Performance Computing Team Leader:

• Monitoring, maintaining, and troubleshooting HPC nodes.
• Managing hardware, software installation, and configuring and optimizing the environment.
• Identify, diagnose, and resolve level two issues for users of the software and hardware.
• Act as second line support for issues escalated by the first line support.
• Oversee the day-to-day operations and support of the HPC environment in Linux.
• Take ownership of capacity, availability and performance of the HPC clusters.
• Migration of existing nodes.
• Implementation and management of a system based on Foreman (or similar) to manage patching and oversee cluster management.
• Implement patches and upgrades to Linux, Slurm, and OpenHPC.
• Install new servers and storage, build new clusters, configure and manage Linux distributions, hypervisors (KVM) and tooling.
• Day-to-day operational support.

Key Skills & Experience for the High-Performance Computing Team Leader:

• Diploma or Degree in a relevant area of study. Computer Science together with demonstrated operational network-related experience is preferred.
• Experience in HPC tools such as Slurm, OpenHPC, LSF or GridEngine.
• Experience in the use of KVM or other hypervisors.
• Knowledge of HPC clusters and use cases.
• Experience in the installation and operation of Linux platforms in an Enterprise environment (Ubuntu/RedHat).
• Experience with identity management using Microsoft Identity Manager and Azure AD Connect.
• Industry certifications such as MCSE, CISSP are desired.

The successful candidate must be able to work in Canada and be able to obtain a Security 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 High-Performance Computing Team Leader opportunity, we encourage you to apply now!