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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 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 has an exciting opportunity for a Project Manager to join our client, a leading design and manufacturing business that specialises in electro-optics. Our client is at the forefront of the industry and is looking for someone to lead their team in delivering successful project outcomes.

As the Project Manager, you will be responsible for managing the entire engineering cycle to ensure projects are delivered on time, within budget, and in compliance with contracts.

Key Responsibilities for the Project Manager:

• Launching assigned projects with comprehensive plans, including detailed schedules, resource forecasts, stage plans, and budgets.
• Leading stakeholder engagement, capturing needs, managing expectations, and facilitating communication through organized meetings. You will maintain a clear project log for documentation purposes.
• Developing and maintaining key project artefact’s like master schedules, plans, compliance matrices, and work breakdown structures, ensuring accuracy throughout the project lifecycle.
• Collaborating with engineering leads and department heads to ensure technical processes are followed, critical success factors are identified and managed, and resource needs are accurately forecast.
• Monitoring project costs closely, reporting potential budget risks to maintain accurate financial positioning.
• Partnering with Finance on reports, managing revenue plans, updating estimates, forecasting margins, and providing clear explanations for changes alongside corrective plans.
• Working with management to implement robust controls for production, data management, invoicing, shipping, and export controls.
• Fostering continuous improvement by capturing lessons learned and feedback throughout the project for process improvement and development within the team.

Key Skills & Experience Required by the Project Manager:

• Proven record of delivering complex projects on time and within budget.
• Experience in budget forecasting and management.
• Experience in project scheduling.
• Proven ability to create Project Management Plans for bids and tenders.
• Procurement and Supply Chain experience.

Company Benefits:

• 37.5 hour working week and lunchtime finishes on a Friday.
• 28 days annual leave and Christmas closure.
• Employee Help@Hand Service gives you and your family access to 4 key services including remote GP service, second opinion, mental health pathway service, 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 the addition of mental health support for all employees plus regular activities across our sites to support and promote well-being.
• Employee discounts scheme (including access to an additional wellbeing hub).
• Excellent Learning & Development opportunities.

Security Clearance Requirements:

Due to the nature of the 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.

If your skills and experience match this Project Manager opportunity, we encourage you to apply by sending your CV to info@holtexecutive.com 

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 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.

Holt Executive are actively partnered with a leading innovator in navigation and robotics for autonomous systems and sensing solutions, to support with a critical hire for a Business Development Executive.

We are seeking an experienced Business Development Executive to grow the company presence in the EMEA region, focusing on the Defence Industry, identifying customers/partners, driving sales, developing customer relationships, building the company’s brand awareness and landing strategic accounts across the territory.

Key Responsibilities below for the Business Development Executive:

• Business development efforts for identifying Defence Opportunities across the territory
• Research and identify key large-scale programs for the products/solutions portfolio for defence applications across the region
• Identify strategic partnerships that will better position the company and accelerate our opportunity for winning defence programs
• Establish key relationships and rolodex across the defence industry with US Military branches and global defence primes, including laying out organizations with influencers and decision makers identified
• Identify and layout key program deliverables, features/requirements and certifications that are needed to ensure success in the defence market in the EMEA region
• Drive the top-line revenue and orders by expanding growth with existing customers, acquiring new customers and driving upsells by fostering the adoption and use of our products, solutions and services
• Own the end to end sales process, from lead to prospect to close, bringing the companies solutions to new and existing customers
• Working closely with the Chief Revenue Officer and others to execute the company’s Go-To-Market strategies
• Paint the companies vision and opportunity for prospects through a combination of ROI and qualitative value propositions
• Understand the technical requirements of each customer and work closely with Support and the Products Group to guide the direction of our product offerings and solutions

Key experience & qualifications for the Business Development Executive: 

• 5-10 years experience in the EMEA Defence industry
• 5+ years experience of business development, sales and account management, experience with high-tech solutions in at least one of the following defence verticals; aerospace, land systems, autonomous vehicles/robotics and maritime/subsea
• Experience in selling and servicing high-tech solutions
• Executive presence with the ability to represent and present in front of an audience
• Be a strong team player that is passionate about being a part of a fast-moving and entrepreneurial company
• Flexibility to work within multiple time zones

If your qualifications and experience align with this  Business Development Executive opportunity, we encourage you to submit your CV to info@holtexecutive.com for consideration.

Holt Executive is partnered with a leading electro-optics design and manufacturing business, seeking a Resourcing Assistant to join their HR and Talent team. As a Resourcing Assistant, you’ll play a vital role in supporting the Resourcing Business Partner to ensure a seamless recruitment process for both candidates and hiring managers. This position combines administrative precision, interpersonal engagement, and the chance to develop skills that are highly valued in the HR and recruitment sectors.

Are you passionate about connecting people with opportunities and building meaningful relationships? This is your chance to step into a role that offers a springboard into the world of recruitment, talent acquisition, and human resources. Whether you’re starting your career or looking to expand your skills, this opportunity provides a blend of hands-on experience, professional growth, and exposure to dynamic HR and Recruitment projects within a supportive team.

Key Responsibilities

• Collaborate with hiring managers to prepare effective and inclusive job descriptions.
• Advertise vacancies through the Applicant Tracking System (ATS) and job boards.
• Screen external applicants and manage candidate progression via the ATS.
• Coordinate and schedule interviews, maintaining the interview schedule and ensuring a consistent process.
• Conduct competency-based interviews and gather post-interview feedback.
• Manage offer processes, including verbal offers, offer letters, and contracts.
• Oversee the onboarding process, acting as the main point of contact for new starters.
• Maintain recruitment trackers and manage the recruitment inbox.
• Participate in HR and resourcing team projects, contributing to continuous improvement.

Key Experience

• Degree-level qualifications or equivalent.
• Proven ability to thrive in an office environment.
• Strong proficiency in Microsoft Office.
• Exceptional organizational skills and attention to detail.
• Outstanding communication and relationship-building abilities.

Desirable Skills & Experience:

• Familiarity with ATS systems.
• Previous exposure to a recruitment environment.

Why Join?

• Flexible hybrid working arrangements and early Friday finishes.
• Competitive benefits, including matched pension contributions, income protection, and life assurance.
• Access to wellbeing initiatives, gym discounts, and regular social activities.
• Learning and development opportunities to support your career aspirations.
• A collaborative environment that champions integrity, teamwork, excellence, and courage.

This role is more than a job – it’s a pathway to shaping your future in recruitment and HR. Ready to start your journey? Apply today!
 

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!