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An exciting opportunity has arisen for a Senior Communications Engineer to join an advanced avionics team working on cutting-edge spacecraft missions. This role will play a key part in the design, development, and verification of spacecraft communications subsystems, supporting complex missions from concept through to launch and operations.

You’ll take ownership of the communications subsystem, working across disciplines including systems engineering, Command & Data Handling (C&DH), procurement, and Assembly, Integration & Verification (AIV). This is a hands-on, senior-level role requiring both strong technical expertise and the confidence to lead within a multidisciplinary environment.

Key Responsibilities

• Own communications work packages, including subsystem design baseline and architecture, requirements management and VCD activities
• Develop, review, and maintain spacecraft data and RF link budgets
• Model and simulate space-to-ground communications links
• Select, procure, and manage suppliers for communications hardware.
• Perform antenna and multipath analysis, including interference and impingement assessments
• Support frequency licensing and ITU regulatory activities
• Support ground station selection and interface discussions with ground segment teams
• Plan and execute unit-level acceptance testing
• Generate verification and validation plans and test procedures for communications systems
• Manage resources, schedules, and cost estimates in line with applicable standards and regulations
• Mentor and support junior engineers within the communications team

Essential Skills & Experience

• Bachelor’s or Master’s degree in Electronics, Communications, or a related discipline
• Strong experience defining and managing spacecraft communications requirements
• Proven experience developing and maintaining satellite link budgets
• Experience designing and developing spacecraft communications subsystems and architectures
• Hands-on experience with communications circuits and hardware testing
• Experience producing and executing communications V&V plans and procedures
• Knowledge of ITU frequency licensing constraints for space applications
• Eligible to work in the UK and Europe

Desirable Experience

• Broader understanding of overall satellite systems design
• Antenna design and RF propagation experience
• Detailed knowledge of communications link budget analysis
• Familiarity with ITU regulations and licensing processes

What’s on Offer

• Flexible and hybrid working options
• Optional 9/75 working pattern
• 25 days holiday, increasing with service (plus bank holidays)
• Life insurance and long-term sick pay
• Private healthcare (taxable benefit)
• Relocation support available
• Modern office and cleanroom facilities

TT

An exciting opportunity has arisen for a Senior Antenna Design Engineer to join an advanced R&D environment developing next-generation satellite ground terminal systems. This role sits at the heart of RF, microwave, and antenna engineering, contributing across the full product lifecycle, from early concept through to high-volume manufacturing.

You will play a key role in the design and development of gateway terminals and deployable flyaway systems operating across X, Ku, Ka, and Q/V bands. The position offers exposure to cutting-edge antenna reflector technology and the opportunity to contribute to future programmes, including defence-related systems.

As a Senior Antenna Design Engineer, you will take ownership of RF and antenna subsystem design, working closely with multidisciplinary engineering teams to deliver high-performance, production-ready solutions.

Key Responsibilities

• Define RF and antenna design specifications based on system requirements and performance targets
• Design and develop RF/antenna subsystems, including antenna reflectors
• Perform electromagnetic simulation and analysis using industry-standard tools (e.g. CST, HFSS, CHAMP)
• Build and evaluate prototypes, optimizing performance against specifications
• Carry out RF measurements and verification using equipment such as VNAs, spectrum analyzers, and signal generators
• Support manufacturing with antenna performance verification and troubleshooting
• Collaborate with internal teams and external partners throughout development
• Provide technical support for field issues and attend customer sites when required

Required Experience & Qualifications

• Bachelor’s degree with 5+ years’ relevant experience, or Master’s degree with 3+ years’ experience
• Strong background in RF, microwave, and antenna engineering
• Proven experience designing RF/antenna solutions from requirements through to validation
• Hands-on experience with electromagnetic simulation tools (e.g. HFSS, CST)
• Practical experience using RF test and measurement equipment
• Ability to work cross-functionally and resolve complex technical challenges
• Strong documentation and reporting skills

Desirable Experience

• Reflector antenna design experience

Why Apply?

• Work on advanced satellite communication systems at the forefront of RF technology
• Influence products from early design through to production
• Collaborate with experienced engineers in a highly technical R&D environment
• Contribute to both commercial and defence-related programmes

If you’re an experienced RF Engineer or Antenna Design Engineer looking to take on technically challenging work in satellite and antenna systems, this role offers a compelling next step.

TT

Holt Executive are partnered with a global Satellite and Space leader that provides reliable and secure satellite-delivered voice and high-speed data communications solutions to broadcast, telecommunications, corporate and government customers worldwide.

Our partner is seeking a Senior OSS/BSS Application Specialist to play a vital role in the administration, configuration, and support of the OSS/BSS suite.

Key Responsibilities for the Senior OSS/BSS Application Specialist:

• Configure, customize, and maintain OSS/BSS modules such as order management, inventory management, service fulfillment, and billing.
• Monitor application performance and proactively identify, diagnose, and resolve issues.
• Collaborate with business and IT stakeholders to gather requirements and translate them into technical specifications.
• Participate in system upgrades, patching, and release deployments to ensure smooth operations.
• Support integration between OSS/BSS applications and other enterprise systems (e.g., CRM, ERP, network management platforms).
• Analyze and enhance workflows to improve user experience and operational efficiency.
• Provide Level 2/3 support for incidents and service requests.
• Coordinate with vendor support teams to resolve issues and manage change requests.
• Develop and maintain technical documentation, standard operating procedures, and user guides.
• Support user training and onboarding activities.

Key Skills & Experience for the Senior OSS/BSS Application Specialist:

• A degree in Computer Science, Information Technology, Telecommunications, or a related field.
• 3+ years of experience in the support and/or implementation of Netcracker OSS/BSS applications.
• A strong understanding of telecom business processes (order to cash, service provisioning, customer lifecycle management).
• Experience with relational databases (Oracle, PostgreSQL), as well as UNIX/Linux environments, and shell scripting.
• Some experience with integration technologies including SOAP/REST APIs, XML, and middleware platforms.
• Knowledge of ITIL practices and experience using ITSM tools.
• Experience with network inventory and resource modeling within Netcracker.
• knowledge of DevOps practices and tools is a bonus.

The successful candidate must be able to work in Canada and be able to obtain Reliability Clearance.

This opportunity offers a hybrid work model with 4 days in the office per week.
 
If your skills and experience match this Senior OSS/BSS Application Specialist opportunity, we encourage you to apply now!

TT

Are you ready to help shape the future of space and satellite communications?

An exciting opportunity has arisen for a Hardware Engineer to join a leading R&D team developing next-generation technologies for advanced satellite communication systems.

In this role, you’ll take full ownership of the electronic board development cycle, from concept and design through to testing, optimization, and integration. Working within a multidisciplinary environment, you’ll collaborate closely with optical, mechanical, and software experts to deliver high-performance, reliable mixed-signal electronics designed for use in space.

What You’ll Do

• Design, develop, test, and integrate reliable analog and mixed-signal electronics for satellite systems.
• Lead the full lifecycle of board design, including requirements definition, architecture, circuit design, component selection, PCB layout, and testing.
• Prepare manufacturing documentation and support production activities.
• Collaborate with internal and external technical specialists across hardware, software, optical, and mechanical domains.
• Contribute to system-level design reviews and ensure designs meet performance, environmental, and reliability standards.

What You’ll Bring

• MSc, PhD, or equivalent in Electronic Engineering or a related field.
• 7+ years’ experience designing and implementing mixed-signal electronics, from concept through to production.
• Expertise in analog/digital PLLs, control systems, ADCs/DACs, and operational amplifiers.
• Hands-on experience with schematic capture and PCB design tools (preferably Altium).
• Proficiency with test equipment such as oscilloscopes, spectrum analyzers, and vector network analyzers.
• Strong technical documentation and reporting skills.
• Willingness to travel across Europe and the US for collaboration and technical reviews.

Desirable Skills

• Experience with photodetectors, transimpedance amplifiers, microcontrollers, FPGAs, and RF components.
• Familiarity with laser and fiber optic components.
• Understanding of radiation effects on semiconductors and ESA standards.
• Background in aerospace or high-reliability electronics design.

Why Apply

You’ll join a passionate and technically accomplished team that’s pushing the boundaries of what’s possible in satellite communications. This is a hands-on engineering role where your designs will directly contribute to the next generation of secure, high-performance space technology.

TT

An exciting opportunity has arisen for a Senior Full Stack Software Engineer to join a high-performing Ground Segment Software team developing advanced mission-control solutions for cutting-edge space missions.

You’ll play a key role in designing, building, and maintaining mission-critical software systems that enable satellite operations and support a new generation of space sustainability projects. This is a hands-on, technically challenging role ideal for someone who thrives in complex, high-impact environments, whether from the space, defence, aviation, telecoms, or automotive sectors.

For this role we can consider visa sponsorship and relocation support.

What You’ll Do

• Design, develop, and maintain scalable, high-performance back-end services using modern programming languages.
• Architect and build responsive, interactive front-end applications using modern frameworks.
• Design, optimize, and manage databases for reliability and performance.
• Build and manage containerized applications using Docker and Kubernetes.
• Develop and maintain CI/CD pipelines to streamline software delivery.
• Collaborate with cross-functional teams to define, design, and implement new features.
• Troubleshoot complex issues across the stack, applying strong problem-solving skills.
• Lead and contribute to Agile/SCRUM processes including sprint planning and retrospectives.

What You’ll Bring

• Bachelor’s degree in Computer Science, Engineering, or a related discipline (or equivalent experience).
• 5+ years’ experience developing mission-critical software in the space or similar high-reliability industries.
• Proven full stack development background.
• Strong proficiency in object-oriented programming (Java, Python, or C++).
• Extensive experience building frontend applications with frameworks such as React.

Desirable Skills

• Hands-on experience with Docker, Kubernetes, or Docker Compose.
• Experience with CI/CD tools such as GitLab CI or GitHub Actions.
• Strong command of SQL databases, data management, and Git-based workflows.
• Experience in Agile/SCRUM environments.
• Familiarity with CCSDS or ECSS communications standards.
• Understanding of Ground Segment systems and mission operations.
• Experience with AWS or Azure cloud platforms.
• Awareness of software security best practices and coding standards.

What’s on Offer

• Opportunity to work with a talented, diverse, and international engineering team.
• Flexible working around core hours in a collaborative, supportive environment.
• Hybrid working model with an optional 9/75 compressed schedule.
• 25 days’ annual leave (increasing with service) + 8 bank holidays.
• Private healthcare, life insurance, and long-term sick pay.
• Relocation assistance and visa sponsorship (where applicable).
• Modern office and cleanroom facilities.
• Regular social and professional development events.

If you’re passionate about software engineering and eager to help build the systems powering next-generation space missions, this is a fantastic opportunity to make a real impact.

RW

An exciting opportunity has arisen for a Senior RF Engineer to join an advanced R&D environment developing next-generation satellite ground terminal systems. This role sits at the heart of RF, microwave, and antenna engineering, contributing across the full product lifecycle, from early concept through to high-volume manufacturing.

You will play a key role in the design and development of gateway terminals and deployable flyaway systems operating across X, Ku, Ka, and Q/V bands. The position offers exposure to cutting-edge antenna reflector technology and the opportunity to contribute to future programmes, including defence-related systems.

As a Senior RF Engineer, you will take ownership of RF and antenna subsystem design, working closely with multidisciplinary engineering teams to deliver high-performance, production-ready solutions.

Key Responsibilities

• Define RF and antenna design specifications based on system requirements and performance targets
• Design and develop RF/antenna subsystems, including antenna reflectors
• Perform electromagnetic simulation and analysis using industry-standard tools (e.g. CST, HFSS, CHAMP)
• Build and evaluate prototypes, optimising performance against specifications
• Carry out RF measurements and verification using equipment such as VNAs, spectrum analysers, and signal generators
• Support manufacturing with antenna performance verification and troubleshooting
• Collaborate with internal teams and external partners throughout development
• Provide technical support for field issues and attend customer sites when required

Required Experience & Qualifications

• Bachelor’s degree with 5+ years’ relevant experience, or Master’s degree with 3+ years’ experience
• Strong background in RF, microwave, and antenna engineering
• Proven experience designing RF/antenna solutions from requirements through to validation
• Hands-on experience with electromagnetic simulation tools (e.g. HFSS, CST)
• Practical experience using RF test and measurement equipment
• Ability to work cross-functionally and resolve complex technical challenges
• Strong documentation and reporting skills

Desirable Experience

• Reflector antenna design experience
• Korean language skills

Why Apply?

• Work on advanced satellite communication systems at the forefront of RF technology
• Influence products from early design through to production
• Collaborate with experienced engineers in a highly technical R&D environment
• Contribute to both commercial and defence-related programmes

If you’re an experienced RF Engineer looking to take on technically challenging work in satellite and antenna systems, this role offers a compelling next step.

TT

Senior Technical Program Manager

We are pleased to be supporting a critical Senior Technical Program Manager hire for a global technology organisation operating within the satellite communications sector.

With advanced engineering, manufacturing, and product development teams located globally, our client develops cutting-edge satellite communication systems and Gateway Antenna technologies used across a wide variety of commercial and government applications.

We are seeking a highly motivated technical program leader to drive complex antenna and satellite communication product development programs, supporting execution from concept through to mass production.

This role will focus on leading multi-disciplinary engineering programs, acting as the primary technical interface for customers, and ensuring seamless collaboration between US-based stakeholders and global engineering teams.

Key Responsibilities for the Senior Technical Program Manager:

• Lead end-to-end program delivery from concept to launch, ensuring scope, cost, and schedule adherence.
• Manage the full product life cycle for Gateway Antenna platforms, from strategic planning to productization.
• Own program outcomes and delivery commitments to internal stakeholders and external customers.
• Support senior leadership in program strategy, customer engagement, and technical decision-making.

• Collaborate closely with engineering teams across hardware, RF, mechanical, and software disciplines.
• Coordinate engineering schedules, track progress, identify delays, and resolve program blockers.

• Serve as the primary technical point of contact for customer program teams.
• Deliver technical presentations, manage expectations, and support negotiations.
• Produce high-quality technical documentation and translate complex concepts into clear requirements.

• Identify and mitigate technical and program risks.
• Develop and maintain detailed project schedules and executive dashboards.

• Coordinate with engineering, manufacturing, and quality teams to prepare launch readiness and operational enablement.
• Support in-field testing, validation, and continuous improvement of product platforms.

Key Experience Needed for the Senior Technical Program Manager:

• Master’s degree (or higher) in RF Engineering or a related technical field, or equivalent experience.
• Expertise in RF, antenna, and satellite communication systems—preferably Gateway or ground-station technologies.
• 10+ years of experience leading complex technical programs in satellite communications, telecoms, or related hardware/software fields.
• Native-level English fluency; business-level Korean preferred.
• Experience coordinating global engineering teams and managing programs across multiple time zones.
• Strong proficiency with program tools (MS Project, Confluence, SharePoint, Jira).
• Excellent communication skills, strong business judgement, and the ability to manage technical and executive-level discussions.
• Experience in scoping, budgeting, planning, risk management, and metric-driven delivery.
• Multi-disciplinary engineering knowledge—hardware, mechanical, electrical, electronics—highly advantageous.