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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.
 
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 are currently partnered with a global leader in Space Sustainability, a dynamic and rapidly growing technology and engineering innovator who are making hugely positive contributions to tackle the growing problem of space debris, making space and our orbits safer for future generations.

They require a Senior Mission Database Engineer to be responsible for leading the design, development, and optimization of the Satellite Reference Database (SRDB) for future missions.

In this role, you will be responsible for maintaining and enhancing the database infrastructure that stores and manages critical mission data. You will closely collaborate with various stakeholders, such as satellite operations, ground segment, flight software and other engineering teams, to further evolve the SRDB to efficiently support several key aspects such as Satellite development, testing, planning, management and operations.

This role will help the team make a difference every day, by ensuring the team is well placed to drive missions forward, helping to make space safer and more sustainable for future generations.
 

Responsibilities for the Senior Mission Database Engineer:

• Database Architecture & Design: Lead the architecture and deployment of robust SRDB solutions, ensuring high availability, scalability, and reliability for mission-critical satellite data.
• Support Software Engineers: Collaborate with and support software engineers in the development of SRDB solutions, providing expertise and guidance to ensure seamless integration and functionality.
• Data Integration & Management: Oversee the automated ingestion process and management of satellite telemetry, telecommand, and related mission data in the SRDB as well as generation of output data products.
• Mission Information Base Generation: Develop and manage processes for generating the Mission Information Base (MIB) from the SRDB that is compatible with the MCS (SCOS 2000).
• Leadership & Mentorship: Build and lead a database engineering team, providing technical leadership, mentoring junior engineers, and ensuring alignment with project goals.
• Automation & Innovation: Lead automation efforts to streamline the processing, ingestion, and analysis of satellite data, enhancing efficiency in database operations.
• Stakeholder Collaboration: Work closely with Systems, Ground Segment, Flight Software, AIV and Operations teams to ensure that the SRDB supports all required mission data and functionality through all phases of the mission.
• Verification & Validation: Implement processes to ensure data validity, tool validation, consistency and quality of SRDB content.
• Documentation & Reporting: Maintain comprehensive documentation for SRDB systems, data processes, and tools.

 
Experience required by the Senior Mission Database Engineer:

• Bachelor, master’s degree or PhD in computer science, aerospace engineering or relevant engineering / science discipline.
• 8+ years’ of spacecraft database engineering, or related field, previous experience within spacecraft operations/analysis would also be an advantage.
• Proven experience with large-scale database systems and managing satellite or telemetry-related data.
• Experience in generating mission-critical data outputs, such as a Mission Information Base.
• Experience with industry standards, processes, protocols for spacecraft communications, such as CCSDS & PUS.
• Solid understanding of satellite telemetry and telecommand packet structures (TM/TC) and its use of its systems controls e.g SCOS-2000.

 
Benefits

• Opportunity to work with a highly talented, diverse & dynamic international team with cutting edge technology.
• Flexible working around core hours in a friendly and supportive environment.
• Hybrid working available (dependent on individual role requirements).
• 25 days holiday (increasing yearly up to a maximum of 28 days) + 8 days Bank Holiday.
• Life insurance and long-term sick pay.
• Private healthcare.

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

Holt Executive are partnered with a Silicon Valley based company that continues to solve communication and connectivity challenges for the US government.

Having already delivered a radio that connects with GEO satellites 23,000 miles away, opening a new form of real-time and reliable connectivity from anywhere, they are now working on a robust geolocation alternative to GPS.

Our partner is seeking a Systems Engineering Manager with experience in communication systems to play a vital role in growing and supporting a small team of Systems Engineers.

Key responsibilities for the Systems Engineering Manager:

• Management of a small systems engineering team, including performance management, development actions, resource allocation and technical oversight.
• Review workload requirements and assign team members to projects.
• Produce and deploy skills development plans for your team.
• Support system / subsystem trade-offs where necessary.
• Providing technical leadership and oversight.
• Supporting with a wide range of systems engineering activities.
• Supporting with system design and architecture.

Key Skills & Experience Required by the Systems Engineering Manager:

• Experience in radio communications (Radar, CDMA, RF receivers etc).
• Experience in managing and developing systems engineering teams.
• Experience within the Space/Satellite/Satellite Communications industries.
• A proven track record of developing a high performing team of systems engineers.
• Experience working with GNU radios, or other Software Defined Radio Systems is desired.
• C++ development skills is desired.
• Some knowledge of GNSS signal processing, and digital signal processing math is desired.
• Real-time embedded systems, and/or FPGA development is desired.
• A keen interest in building something that has never been built before.

This role is based onsite in Palo Alto, California.

If your skills and experience match this Systems Engineering Manager opportunity, we encourage you to apply now!

Holt Executive are partnered with a Silicon Valley based company that continues to solve communication and connectivity challenges for the US government.

Having already delivered a radio that connects with GEO satellites 23,000 miles away, opening a new form of real-time and reliable connectivity from anywhere, they are now working on a robust geolocation alternative to GPS.

Our partner is seeking a Senior Systems Engineer with experience in Communications to play a vital role in modeling, prototyping, and demonstrating the prototype system for this new product.

Key responsibilities for the Senior Systems Engineer:

• Work cross-functionally to prototype hardware using software-defined radios.
• System design.
• Defining systems requirements, and managing requirements.
• Demonstrate prototype systems.

Key Skills & Experience Required by the Senior Systems Engineer:

• Experience in radio communications systems (Radar, CDMA, RF receivers etc).
• Experience working with GNU radios, or other Software Defined Radio Systems is desired
• Some C++ development skills.
• Knowledge of GNSS signal processing, and digital signal processing math is desired.
• Real-time embedded systems, and/or FPGA development is desired.
• A keen interest in building something that has never been built before.

This role is based onsite in Palo Alto, California.

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

Holt Executive are partnered with a Silicon Valley based company that continues to solve communication and connectivity challenges for the US government.

Having already delivered a radio that connects with GEO satellites 23,000 miles away, opening a new form of real-time and reliable connectivity from anywhere, they are now working on a robust geolocation alternative to GPS.

Our partner is seeking a Senior Signal Processing Engineer with experience in Communications to play a vital role in modeling, prototyping, and demonstrating the prototype system for this new product.

Key responsibilities for the Senior Signal Processing Engineer:

• Work cross-functionally to prototype hardware using software-defined radios.
• Write customer radio receive modules in C++.
• Demonstrate prototype systems.

Key Skills & Experience Required by the Senior Signal Processing Engineer:

• Knowledge of GNSS signal processing, and digital signal processing math.
• Experience in radio communications (Radar, CDMA, RF receivers etc).
• Experience working with GNU radios, or other Software Defined Radio Systems.
• C++ development skills, and a passion for being in the weeds of the code development.
• Real-time embedded systems, and/or FPGA development is desired.
• A keen interest in building something that has never been built before.

This role is based onsite in Palo Alto, California.

If your skills and experience match this Senior Signal Processing 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.
 
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 global leader in Space sustainability, a dynamic and rapidly growing technology innovator who are making hugely positive contributions to tackle the growing problem of orbital space debris.

They require a Senior Ground Systems Engineer to be involved in the whole ground segment development process, from conceptual design to maintenance, playing a key role by interfacing with the Mission Systems and Operations teams.

The company offers hybrid working and flexible hours, and you will join a team of highly talented engineers working on cutting edge technology, in their state-of-the-art office and cleanroom facility in Oxford.

Visa sponsorship and relocation package can be offered for this role.

Responsibilities for the Senior Ground Systems Engineer:

• Participate in/lead the development of ground systems including Mission Control System, Mission Planning System, Ground Stations Interface System.
• Derive requirements for the ground segment.
• Interface with the external suppliers’ teams acting as a Product Owner or Technical Officer and provide support to the development team during the ground segment development phase.
• Produce and maintain project documentation to good standard including requirements, verification and validation plan, test procedures, test reports, etc.
• Perform verification & validation of the systems with other team members.

 
Skills and Experience required by the Senior Ground Systems Engineer:

• University degree in Computer Science, Telecommunications, or other relevant engineering discipline.
• 5+ years of industry experience in satellite ground systems engineering.
• Good knowledge of the main components of a ground segment (for example, mission control system, mission planning system).
• Good knowledge of Requirements Engineering, system integration, verification and validation.

 Benefits:

• Relocation package and visa sponsorship (if applicable)
• Flexible working around core hours
• Hybrid working
• 25 days holiday (increasing yearly up to a maximum of 28 days)
• Life insurance and long-term sick pay
• Private healthcare

If your skills and experience match this Senior Ground 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 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!