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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 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 has partnered with a leading satellite communications (SATCOM) provider, offering secure voice & data services to a global customer base. They also provide integrated IT & engineering solutions across maritime, enterprise, defence & government sectors.

Our partner is seeking an Telecommunication Billing Manager to manage and oversee the UK monthly billing cycle, including detailed management reporting. This role involves leading the UK Airtime Billing team, handling daily airtime activities, and coordinating with internal and group teams. A strong understanding of products and services as they relate to billing and should be able to produce and analyse airtime reports to support senior management.

As the subject matter expert for NIBS, INSIGHT provisioning, and third-party airtime systems, you will ensure that all billing and provisioning requests are resolved efficiently. Additionally, you will provide support to other airtime teams across the group, ensuring consistency in processes and reporting. This role is crucial for maintaining accurate billing and effective management of airtime processes, contributing to overall operational excellence.

Key responsibilities, skills, and experience for the Telecommunication Billing Manager:

• Oversee and manage information across NIBS and various systems related to order provisioning, customer accounts, billing profiles, and rates.
• Maintain and ensure the accuracy of the airtime billing database (NIBS).
• Process internal and external requests for service activations, deactivations, and package changes, including advising on any Early Termination Fees.
• Understand and manage airtime processes to ensure timely execution.
• Handle monthly billing cycles, including configuring provisioning requests, performing daily or weekly checks for errors, and resolving issues before billing runs.
• Manage invoice processing within the designated timeframe, ensuring accuracy before approval and final issuance to customers.
• Address and resolve queries promptly and extract analytical reports for billing and activation.
• Oversee the Freshdesk ticketing system, ensuring all tickets are managed, categorized, and resolved within SLA.
• Process prepay voucher sales orders, invoices, and voucher deliveries.
• Liaise with customers, suppliers, and internal teams to ensure accurate and timely completion of processes.
• Provide support and training on internal systems and modules to both internal and external teams.
• Approve incoming supplier invoices and coordinate with the finance team.
• Handle complaint escalation and management.
• Participate in the wider banking team to approve invoices according to Delegation of Authority procedures.

If your qualifications and experience align with this Airtime Billing Manager opportunity, we encourage you to submit your CV to info@holtexecutive.com for consideration.

Holt Executive are proud to be working with a growing company who empower satellites with next-gen agility and aim to become the leader in satellite attitude control by 2030. They are seeking an innovative Bid Manager to join our dynamic, multidimensional team. You’ll collaborate on cutting-edge projects, from motion control technologies to space mission innovations.

What They Offer:

• Opportunity to work with a passionate and diverse team
• A pivotal role in scalable space solutions
• Competitive salary and growth opportunities

Skills:

• You can engage on a technical level with project stakeholder & team members (i.e. understand the key drivers of a technical task, help trading off solutions & alternatives, support the compromises & decision making with engineers)
• You thrive in the dynamic environment of a small company (< 20 people) where decisions can be made quickly with the founders and the team.
• You are willing grow in the company as it expand internationally and help setup teams abroad.
• Write successful bids for ESA and European Commission 
• Experience within the space sector

Who They Hire:

They hire people who are not averse to taking risks – they do not hold back their employees in any way when those risky initiatives fail. They don’t hire people for a specific task and will not hemmed in by role definition or organizational structure. Their team members are encouraged to test their own ideas and they are looking for people who don’t keep quiet when they disagree with something, people who get bored easily and need to discover and learn a lot. They aim at hiring people who are multidimensional, combining technical depth with business savvy and creative flair.

Project Manager  Location: Belgium

Role Overview:
The Project Manager is responsible for overseeing and successfully delivering projects that align with organizational goals, focusing on satellite communication technologies. This includes proposal support, contract negotiations, and managing resources to meet customer needs.

Key Responsibilities:

• Manage internal/external resources, customer relationships, and project teams.
• Ensure project adherence to budgets, timelines, and quality standards.
• Support contract proposals and negotiations.

Requirements:

• Master’s degree in Aerospace, Space, Mechanical or Electrical Engineering.
• 4+ years in space systems, with 2+ years of project management experience.
• Experience with ESA projects and security clearance is a plus.

Nice to have:

• Experience of having worked with institutional, defense and international organizations would be considered as an asset;
• Expertise in the following fields is considered a strong asset:
  • Knowledge of ECSS standards and ESA project lifecycle;
  • Experience with EU/ESA “protected” and “classified” projects.
• Skilled in the daily usage of office and project management software (MS Outlook, MS Word, MS Excel, MS PowerPoint, MS Project…);
• Willing to travel internationally.

Software Engineer (Full Stack Technical Leader)

Ready to Take Your Career Beyond the Stratosphere?
If the mysteries of space and cutting-edge technology ignite your passion, this is your chance to reach new heights!
A premier Belgian space systems and software engineering company, trusted by space agencies, top aerospace organizations, EU institutions, and commercial enterprises. With over 50 space missions under their belt, their innovative IT solutions have helped unlock the secrets of the universe and advance our understanding of Earth.

What They Do:

• Design end-to-end space systems, including mission control centers, onboard software, and satellite simulators.
• Provide advanced space data access and geospatial decision-support tools for environmental and resource management.

Your Mission:
Join their Mission & Control Business Unit in Belgium as a Software Engineer (Full Stack Technical Leader). You’ll play a key role in creating cutting-edge software solutions that enable seamless communication between satellites and control centers.

Your Responsibilities:

• Collaborate with clients to understand and address their specific needs.
• Design and implement robust software architectures.
• Develop front-end and back-end components using modern tools and technologies like Java, Angular, Spring Boot, Docker, and Kubernetes.
• Validate software systems and lead client acceptance processes.
• Deploy solutions to space agency and customer sites.
• Work in an Agile team, sharing knowledge and coordinating efforts with team members, clients, and subcontractors.

Your Profile:

• Education: Master’s degree preferred, or a Bachelor’s degree with 5+ years of experience in computer sciences, engineering, or a related field.
• Experience: Strong track record as a software engineer or developer.
• Skills: Proficiency in both front-end and back-end development (Java and Python expertise is a must).
• Language: Solid technical English skills.
• Passion: Enthusiastic about the space sector.

Extra Qualities They Value:

• Creative problem-solving and a solutions-driven mindset.
• Strong teamwork and communication abilities.
• A thirst for learning and improving technical expertise.
• Attention to detail and a commitment to quality.
• Leadership skills to manage both technical challenges and team dynamics.

What They Offer:

• A permanent role in an exciting and innovative environment.
• A competitive salary aligned with your experience.
• Flexibility to work from home up to 2 days a week.
• Opportunities to work on groundbreaking projects with the latest technologies.
• A collaborative culture that values knowledge-sharing.
• Fun team-building activities and social events.
• Access to specialized training in the space industry.

Are You Ready to Launch?
If you’re eager to propel your software engineering career to new frontiers and contribute to groundbreaking space missions, we want to hear from you!

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!

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 Configuration Manager to play a vital role in in the success of their LEO constellation.
 
The successful Configuration Manager will support the Configuraiton Management Office, Project Managers, and Program Leads working on this next-generation satellite constellation.
 
Key Responsibilities for the Configuration Manager:

• Define, develop, and manage process, procedures and enabling tools to identify, document and manage the LEO program physical assets.
• Share your knowledge of ITAR process with those supporting the program.
• Maintenance of the inventory system assets (hardware).
• Controlling and documenting systems, hardware and software configurations.
• Supporting the software development, test environment managers and verification and test teams to develop, refine, and document process and procedure for the management of releases into formal test and production environments.
• Ensure that all required documentation has been generated, signed-off and captured.
• Support the software developers, lab managers and verification and test teams as required to ensure timely and accurate releases are executed.
• Keep the Configuration Identification Tree and other related systems configuration documentation/data resulting from approved changes up to date.
• Support the definition, preparation, and execution of configuration item status.
• Provide subject matter expertise on Configuration Management processes, procedure, standards, and systems.
• Collaborate with the Document Management Specialist to track the implementation of document and data updates resulting from approved changes to completion.
• Ensure that all released documents are appropriately validated, logged, captured and status updated in the Document Centre.

  
Key Skills & Experience for the Configuration Manager:
 

• A degree in engineering/science, or another related field.
• 3+ years of related experience in working in an engineering design environment, interfacing with hardware, systems, software, and test Engineers.
• 2+ years of related experience in Data Management and/or Configuration Management
• 2+ years of related experience in Release Management.
• Formal training, certification or experience in the use and application of Configuration Management standards such as CM2, ANSI-EIA 649, or ISO 10007
• Experience using Software configuration management processes and tools.
• Excellent verbal and written communication skills in dealing with clients, internal and external stakeholders, senior management, and staff.
• Ability to, and experience in effectively communicate with technical and non-technical individuals.

 
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 Configuration Manager opportunity, we encourage you to apply now!

Holt Executive are partnered with a global leader in Space and Satellite sustainability, a dynamic and rapidly growing technology innovator who are making hugely positive contributions to the growing problem of orbital space debris.

They require a Ground Segment Architect to support and strengthen the Ground Segment Team, bringing a wealth of technical experience and expertise to advance the company’s position in a hugely innovative and exciting industry.

In this Ground Segment Architect role, you will work closely alongside the Chief Engineer and take ownership of critical projects to ensure on time delivery and exceeding expectations.

The company offer hybrid working, flexible hours, and a comprehensive benefits package, featuring visa sponsorship and relocation package. You will join a team of highly talented engineers working on cutting edge technology, in their office and cleanroom facility in Oxford.

Responsibilities for the Ground Segment Architect:

• Technical Decisions for Projects: Define and document multi-mission support Ground Segment design, internal and external interfaces. Receive the Engineering Director’s delegation of authority in relation to technical decisions, and become the key referent in case of technical queries that cannot be managed by the respective teams.
• Roadmap the Ground Segment Development: In collaboration with the ground segment group manager, define the ground segment roadmap, driving for a multi-mission support.

• Problem Resolution: Work across the engineering teams to ensure problems are managed from identification through to resolution. Help resolve technical problems as and when they arise.
• Project and Technical Development Reviews: Oversee the technical development and implementation of assigned programs in the relevant project reviews, and guide teams accordingly.
• Engineering Processes and Procedures: In collaboration with the Ground segment Group Manager, ensure quality of standards and procedures across engineering, defining, mapping and proposing processes and procedures.

Skills & Experience Required by the Ground Segment Architect:

• Masters engineering degree in an associated field.  
• At least 10-15+ years’ experience in their areas of expertise.
• Experienced people manager.
• Experienced in the development & design of ground segments and systems.
• Experience at spacecraft level in a systems architecture role.
• Experience working with businesses delivering long-term complex projects and programmes. 

 
If your skills and experience match this exciting Ground Segment Architect opportunity, we encourage you to apply now!