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Holt Executive are partnered with a leading Global Satellite and Space leader that provides reliable and secure satellite-delivered voice and high-speed data communications solutions to broadcast, telecommunications, corporate and government customers worldwide. They are now developing a LEO constellation that will revolutionize global broadband connectivity for enterprise.

Our partner is seeking a Specialist Software Developer/Technical Leader – Networking: to play a vital role in the development of software solutions for networks, including infrastructure, protocols, and routing algorithms.   

Key Responsibilities for the Specialist Software Developer/Technical Leader – Networking:

• Designing, developing, and maintaining software components for networking and routing systems.
• Working with network architects, product managers, and quality assurance engineers, to understand requirements and ensure the delivery of networking software solutions.
• Implementation and optimization of network protocols such as TCP/IP, OSPF, IS-IS, MPLS and Segment Routing.
• Write software for Metro Ethernet Forum (MEF) services such as E-Line, E-LAN, and E-Tree, transported over pseudowires.
• Developing software modules for network configuration, monitoring, and troubleshooting.
• Analyzing and improving the networking software performance to reduce latency and increase throughput.
• Contribute to the design and development of distributed systems and microservices architectures for network deployments.
• Participate in code reviews.

Key Skills & Experience for the Specialist Software Developer/Technical Leader – Networking:

• A degree in Computer Science, Electrical Engineering, or a related field.
• Highly proficient in software development, with a focus on networking and routing technologies.
• Strong programming skills in languages such as C++, Python.
• Deep understanding of networking concepts, protocols, and architectures, including TCP/IP, VLANs, routing protocols (e.g., OSPF, IS-IS, MPLS), and network virtualization (e.g., SDN, NFV).
• Strong experience with network simulation and emulation tools.
• Experience with developing fast path packet processing software using DPDK/VPP and PMD drivers is desired.
• Some knowledge of network security principles, including secure communication protocols (e.g., SSL/TLS, IPsec) and network access control mechanisms is desired.
• Strong problem-solving and debugging skills.

The successful candidate must be able to work in Canada and be able to obtain a 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 Specialist Software Developer/Technical Leader – Networking 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.
 
Our partner is seeking a Senior Software Engineer to support on cutting-edge tech that enhances network protocols and packet processing frameworks.
  
Key Responsibilities for the Senior Software Engineer:

• Support the design, coding, testing, and maintenance of software applications.
• Developing and maintaining embedded software modules using C++ and Python.
• Designing high-performance packet processing applications using DPDK and similar frameworks.
• Optimizing network functions to ensure maximum throughput and minimal latency.
• Development and maintenance of packet processing pipelines for different network functions.
• Troubleshooting complex performance issues in packet processing applications.
• Support in the implementation of networking solutions.
• Participate in code reviews.
• Support with integration of software components on a Linux operating systems.

 
Key Skills & Experience for the Senior Software Engineer:

• A degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
• Knowledge of packet processing development.
• Understanding of DPDK (Data Plane Development Kit).
• Experience with Kernel bypass technologies.
• A solid understanding of Linux-based network stacks, kernel modules, and performance optimization.
• 8+ years’ experience in C/C++ for low-level network programming and high-performance packet processing.
• Some experience with Vector Packet Processing (VPP) framework a plus.
• Some familiarity with modern NIC features (RSS, checksum offload, scatter-gather) is a plus.
• A basic understanding of networking concepts and protocols. (TCP/IP, UDP, VXLAN, GRE, etc.).

 
The successful candidate must be able to work in Canada and be able to obtain a Reliability Clearance.
 
This opportunity offers a hybrid work model with 4 days per week in the office and occasional travel is anticipated.

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

Holt Executive is collaborating with an industry-leading bespoke manufacturing and engineering specialist who design, build, and supply advanced and future-proofed technology to the Naval, Land and Security sectors across the globe.

Our partner has an exciting opportunity for an experienced Senior Embedded Software Engineer to take the lead in designing and developing embedded software and Windows-based user interfaces.

Key Responsibilities for the Senior Embedded Software Engineer:

• Lead the end-to-end development of software applications, from concept design and requirements definition to detailed design and coding.
• Design and develop software applications, covering all stages from concept to detailed coding.
• Collaborate with Mechanical, Electrical, and Electronics engineers to ensure successful project delivery.
• Oversee all software requirements and address issues throughout the project lifecycle.
• Create robust software with a focus on fault management, fault reporting, and application health monitoring.
• Develop and maintain supporting documentation, including interface control documents, user manual inputs, and fault code lists with corrective actions.
• Assist customers with integration, commissioning, and problem resolution, including on-site support when necessary.

Key Skills and Experience for the Senior Embedded Software Engineer:

Essential –

• Strong degree in a related discipline.
• Experience of embedded software design and appreciation of associated hardware.
• Strong mathematics background.
• Experience in leading technical software projects.
• Experience of embedded software design and good general appreciation of associated hardware.
• Experience of writing C/C++ for embedded applications.
• Experience of the design and development of control systems, preferably of motor control principles and theory and interfaces.

Embedded Software/Firmware:

• Experience of using STM32 processors and Keil uVision development environment and tools.
• Communications such as Ethernet, RS422/UART, CAN, SPI etc.
• Hardware interfacing, GPIO, ADC, DACs etc.

Windows/User Interfaces:

• Understanding of developing desktop application and user centric interface design.
• QT and QT Creator– multiplatform development environment in C++.
• Visual Studio C++ and C#.
• Low latency programming techniques.
• Networking (TCP/UDP).

 
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, all 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.

Holt Executive are partnered with a leading Design and Manufacturing business that specialises in electro-optics and supply into a variety of markets across the globe.

They have an immediate requirement for an experienced Systems Engineer to assist in all phases across the complete systems engineering lifecycle. This will include requirement capture, system architecture design and verification/validation activities. 

Key Responsibilities for the Systems Engineer:

• Undertaking the requirement specification, architectural design, verification and validation of systems on projects.
• Development of system requirements from high-level customer requirements to sub-system and component-level requirements.
• Manage compliance against statutory regulations and defence standards.
• Applying practical skills in design techniques for defence and commercial applications, understanding key process tools and technologies.
• Producing block diagrams, detailed design drawings and supporting calculations
• Practical evaluation of new and emerging technologies
• Working closely with the wider engineering team to manage design changes and solve problems on complex systems.
• Work with customers to assist integration, commissioning and problem resolution activities
• International and Domestic travel will be required

 
Key Skills & Experience for the Systems Engineer:

• A strong academic background with a degree in a relevant engineering discipline is required.
• Proven technical knowledge of the systems engineering lifecycle, including requirements management, system design process (including system and sub-system specification) and product validation and verification.
• Previous experience of Naval or Military Systems is desired.
• Excellent Relationship Management
• Complex problem solving with the ability to produce clear and concise technical documentation and evidence system-level thinking
• A working knowledge of IP networks would be beneficial.

 
Company Benefits:

• Group Pension Plan – up to 4% matched employer contributions.
• Income Protection Scheme and Employee Assistance Programme.
• Employee Help@Hand Service gives you and your family access to 4 key services including; remote GP service, second opinion, mental health pathway service, physiotherapy consultations.
• Life Assurance Policy, including Bereavement Counselling and Probate Helpline.
• Company Share Incentive Plan and Save as you Earn Scheme.
• Group Electric Vehicle Salary Sacrifice Scheme.
• Wellbeing initiatives, including access to Aviva 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.
• Employee discounts scheme (inc access to an additional wellbeing hub).
• Recruitment recommendation bonus.
• Excellent Learning & Development opportunities.
• Great working environment with free, onsite car parking across all our locations.

Holt Executive are partnered with a US based new space company who in a joint venture with their European counterparts, are looking to enter the satellite manufacturing business.

Officially founded in 2024, this venture is a significant milestone in the group’s strategic expansion. Backed by over 170m Dollars raised in 2024, this venture is poised to launch their first satellites in 2025.

We have an exciting opportunity for a Satellite Systems Engineer with vast experience in Communication Payloads to play a crucial role in managing and optimizing satellite payload communication systems.
 
Key Skills & Experience Required by the Satellite Systems Engineer: 

• Vast experience and knowledge in satellite communication systems, radio frequency engineering, and signal processing.
• Experience and knowledge with payload communication protocols, data links, and modulation schemes.
• An understanding of satellite communication standards such as CCSDS.
• Strong understanding of antenna systems, frequency bands, and propagation models.
• Experience and expertise in software-defined radios (SDR) and networking protocols.
• A Bachelor’s degree in Electrical Engineering, Telecommunications, or a related field.
• Excellent problem-solving and analytical skills.
• Ability to work effectively in a team and communicate technical concepts clearly.
• US Citizenship.

 
This opportunity is a hybrid position, based in Boulder, Colorado.
 
If your skills and experience match this Satellite Systems Engineer opportunity, we encourage you to apply by sending your CV 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.
 
We have an exciting opportunity for a Radio Frequency Systems Engineer to play a crucial role in the success of the constellation program.
 
Key Responsibilities for the Radio Frequency Systems Engineer:
 

• Working closely with other segments and teams on multiple key system aspects including end-to-end communication, network entry, service availability, and satellite payload power consumption management.
• Working with cross-functional teams to align the RF payload design with the overall network performance.
• Meeting and interfacing with the spacecraft and RF payload unit suppliers to ensure that the program requirements are met from a development, qualification and performance perspective.
• Ensure that the spacecraft and RF payload unit suppliers remain on schedule with regards to technical deliverables.
• Understand and resolve design, production or test issues with engineering teams and suppliers.
• Supporting with payload integration activities.
• Analyzing design review data and actively participate in various Preliminary, Critical and Test Readiness Reviews, and provide technical reports on program status.
• Participate in In-Orbit Testing of satellite performance and provide recommendations for satellite acceptance and commissioning.
• Preparing presentations and regular status reports.

 
Key Skills & Experience Required by the Radio Frequency Systems Engineer:
 

• A Bachelor of Engineering in Electrical/Aerospace (or equivalent).
• 12+ years of relevant space industry experience.
• A background in RF satellite payloads and/or RF payload unit engineering.
• Knowledge or familiarity with RF satellite/payload manufacturing and supply chain management.
• Experience with optical communications and/or digital communications and/or space electronics is an asset.
• Experience with onboard processing, space electronics, digital modulation, and network functions is an asset.
• Strong technical, presentation, interpersonal and communication skills (verbal and written).

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 Radio Frequency Systems Engineer opportunity, we encourage you to apply by sending your CV 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.
 
Our partner is seeking a Systems Engineer with experience in User Terminals/Modems to play a vital role in in the design and development of next-generation satellite user terminals.
 
The successful Systems Engineer will ensure the successful integration and development of modem architectures within their satellite communication system.
 
Key Responsibilities for the Systems Engineer:

• Oversee the design, development, and optimization of Modem architecture designs ensuring they meet performance, cost, and reliability targets.
• Drive trade-space discussions in terms of modem performance, with network features and MEF service performance in mind.
• Collaborate with cross-functional engineering teams (FPGA, RF, Software, Hardware) to ensure that integration of the modem with other terminal components is seamless.
• Developing and implementing signal processing algorithms (including modulation, demodulation, error correction, and data compression).
• Performance analysis, and test reviews of modem designs, including link budget analysis.
• Ensure compliance is met with relevant industry standards (DVB-S2, DVB-RCS, 3GPP).
• 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.  
• Ensure detailed documentation for technical specifications, design guidelines, and test planning.

 
Key Skills & Experience for the Systems Engineer: 

• 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 Systems Engineer 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.
 
Our partner is seeking a Senior Specialist Software Developer/Technical Leader to play a vital role in the ownership of software modules, covering development, quality, testing, and functionality.  
 
Key Responsibilities for the Senior Specialist Software Developer/Technical Leader:

• Support on the design, coding, testing, and maintenance of software applications.
• Developing, testing, and maintenance of embedded software modules using C++ and Python.
• Supporting the implementation of networking solutions.
• Development of software tools, libraries, and frameworks.
• Code reviews.
• Troubleshooting, debugging, and resolving any software defects and technical challenges.
• Develop embedded software test methodologies.
• Participate in the integration of software components on Linux operating systems.
• Utilization of cloud technologies to enhance software deployment and management.

Key Skills & Experience for the Senior Specialist Software Developer/Technical Leader:

• A degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
• 12+ years experience in software development and testing, with a focus on embedded systems.
• A basic understanding of networking concepts and protocols.
• Proficiency in using the Linux operating system.
• High proficiency and experience in utilizing modern C++ and Python as coding languages in the development of embedded software applications.
• Detail-oriented with a commitment to producing high-quality software.
• Ability to design software with consideration for hardware resource constraints.
• Some Cloud technology familiarity is a plus.

 
The successful candidate must be able to work in Canada and be able to obtain a 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 Specialist Software Developer/Technical Leader 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.
 
Our partner is seeking a Modem Specialist to play a vital role in the design and development of user terminals and modems. 
 
Key Responsibilities for the Modem Specialist:

• Responsible for the development and optmization of architecures relating to user terminals/modems to ensure that cost, performance, and reliability objectives are met.
• Lead the discussion on trade-offs with performance, network features, and service performance.
• Involvment with integration of the modem with other components, working with FPGA, RF, Software, and Hardware engineering.
• Developing and implementing signal processing algorithms, covering modulation, demodulation, error correction, and data compression.
• Analyze modem designs, perfomrance analysis, test review data and link budget analysis.
• Ensure compliance is met with relevant industry standards.
• Leading the development and testing of prototypes.
• Interfacing with third-party vendors, manufacturers, and a cross-functional engineering and product team.   

Key Skills & Experience for the Modem Specialist: 

• A degree in Electrical Engineering, Telecommunications, Computer Science, or a related field.
• More than 5 years of experience in satellite communication (SATCOM) systems, modem design, and ideally FPGA design and signal processing.
• Knowledge of digital communication systems.
• Proficiency with 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 embedded hardware 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 Modem Specialist 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.
 
We have an exciting opportunity for a Payload Specialist to play a crucial role in the successful development of RF payloads.
 
Key Responsibilities for the Payload Specialist:
 

• You will work with a wide team of engineers to support on the development of key systems and interfaces relating to the payload, including end-to-end communication, network entry, service availability, and satellite payload power consumption management.
• Be responsible for the alignment of the RF payload design with the network performance in mind.
• Be the main interface between the company and the satellite and payload unit suppliers to ensure that the program requirements are being met with regards to development, qualification and performance.
• Ensure that the satellite and RF payload unit suppliers are working to schedule with the technical deliverables.
• Support with the resolution of any design, production or test issues with both interinal engineering teams and suppliers.
• Support and advise on payload integration activities.
• Review and analyze design data and actively participate in various PDRs, CDRs, and TRRs, and provide technical reports on the status of the program.
• Participate in In-Orbit Testing of satellite performance and provide recommendations for satellite acceptance and commissioning.
• Preparing presentations and regular status reports.

 
Key Skills & Experience Required by the Payload Specialist:
 

• A degree in Electrical/Aerospace (or equivalent).
• More than 10 years of relevant space industry experience.
• Knowledge and vast experience in RF satellite payloads and/or RF payload unit engineering.
• Experience interfacing with third parties and suppliers. 
• Experience with optical communications and/or digital communications and/or space electronics is a plus.
• Experience with onboard processing, space electronics, digital modulation, and network functions is a plus.

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 Payload Specialist opportunity, we encourage you to apply by sending your CV now!