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An opportunity has arisen for a Satellite Systems Engineer to join a multidisciplinary team working on next-generation satellite communications architectures.

This role focuses on the design, analysis, and development of advanced space payload systems for telecommunications applications, supporting complex satellite missions across LEO, MEO, GEO, and highly elliptical orbits. You will contribute to cutting-edge R&D programmes spanning system definition through to in-orbit commissioning.

You will work at the forefront of satellite communications system design, with responsibility across mission analysis, system architecture, payload design support, and technical trade-offs. The role requires a strong understanding of spaceborne communication systems and the ability to contribute across the full development lifecycle, from requirements definition through to integration and operational support.

Key Responsibilities

• Lead mission analysis activities and translate system requirements into lower-level specifications
• Define system SWaP-C (Size, Weight, Power, Cost) constraints and manage cross-domain interface definitions (RF, digital, electrical, optical, mechanical, thermal)
• Lead architectural trade studies, link budget analysis, and system-level design decisions
• Support and challenge external contractors and subcontractors on technical delivery
• Assist with reliability analysis and system-level simulation activities
• Support spacecraft and payload qualification activities, including platform and component selection input
• Contribute to programme planning, technical reporting, and customer-facing programme discussions
• Support integration, test campaigns, launch preparation, and in-orbit commissioning activities
• Participate in design reviews, manufacturing oversight, qualification reviews, and progress reporting

Essential Skills & Experience

• Master’s or PhD in Engineering (e.g. Satellite Communications, Telecommunications, Electronics, or Digital Systems)
• 8–10 years’ experience in satellite or space systems engineering
• Strong background in satellite communications and payload architectures across LEO/MEO/GEO/HEO missions
• Experience with phased array antenna systems and digital beamforming
• Knowledge of digital regenerative payloads and onboard processing architectures
• Experience with satellite system design, HW/SW integration, and space communications architectures
• Familiarity with inter-satellite links and advanced payload concepts
• Experience in space qualification processes for complex systems
• Understanding of TT&C systems, satellite operations, and payload operations
• Experience with orbital analysis tools and systems modelling (e.g. STK or equivalent)
• Ability to work within multidisciplinary and international engineering teams
• Eligibility to work in Switzerland (Swiss or EU citizenship, or valid Swiss work permit required)

Desirable Experience

• Previous involvement in ESA, NASA, or similar space agency programmes
• Experience with satellite operations environments, including TT&C, network management, and payload operations
• Exposure to end-to-end satellite programme lifecycles from concept through to in-orbit operations

Eligibility

• Swiss or EU citizenship, or valid Swiss work permit required

What’s on Offer

• Opportunity to work on advanced satellite communications and space payload systems
• End-to-end involvement across system design, integration, testing, and in-orbit operations
• Exposure to complex international space programmes and multidisciplinary engineering teams
• High-impact technical role shaping next-generation satellite architectures
• Collaborative R&D environment focused on innovation in space communications systems

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An opportunity has arisen for an experienced satellite operations leader to take full ownership of a next-generation Mission Operations Centre supporting a large-scale LEO satellite constellation programme.

This is a senior leadership role responsible for establishing and scaling mission operations capability, including the Mission Operations Centre, fleet management platform, and on-orbit commissioning function for a rapidly expanding satellite network. You will play a central role in defining operational strategy and ensuring safe, efficient, and resilient constellation operations.
Role Purpose

You will lead the end-to-end operational capability for a complex LEO constellation, covering spacecraft commissioning, fleet health management, mission control systems, and conjunction assessment processes. The role requires strong technical leadership combined with the ability to build scalable operational processes for long-term 24/7 service delivery.

Key Responsibilities

• Lead the design, build, and operation of the Mission Operations Centre and associated fleet management systems
• Select, implement, and integrate mission control systems and operational software platforms
• Oversee integration between mission operations, network control, and wider ground segment infrastructure
• Define and implement Space Situational Awareness (SSA) and conjunction assessment processes
• Lead on-orbit commissioning activities, including spacecraft health checks, payload activation, inter-satellite link commissioning, and end-to-end operational verification
• Develop and maintain redundancy, resilience, and disaster recovery strategies for mission-critical systems
• Coordinate with external partners, suppliers, and operational stakeholders to ensure seamless delivery
• Support transition planning towards fully scalable 24/7 constellation operations

Essential Skills & Experience

• 12+ years’ experience in satellite operations, mission operations, or spacecraft fleet management
• Strong background in LEO constellation operations and on-orbit commissioning activities
• Hands-on experience with mission control or mission management systems
• Solid understanding of SSA/SDA workflows, conjunction assessment, and collision avoidance processes
• Proven experience leading complex operational programmes across multidisciplinary engineering teams
• Strong stakeholder management and decision-making skills in operational environments
• Degree or postgraduate qualification in Aerospace Engineering, Systems Engineering, Computer Science, or a related discipline

Desirable Experience

• Experience scaling operations for large or growing satellite constellations
• Knowledge of ground segment integration, network operations, or telecoms infrastructure
• Experience designing or operating high-availability systems and disaster recovery frameworks
• Familiarity with international regulatory, safety, or operational frameworks in the space sector

What’s on Offer

• Leadership role shaping operations for a next-generation satellite constellation programme
• Significant ownership across mission operations, commissioning, and fleet management
• Long-term career development within a rapidly scaling space organisation
• Collaborative international environment working across engineering and operations teams

Senior Director – LEO Satellite Operations Location: Canada (Hybrid – relocation support available)

Holt Executive are pleased to be partnered with a leading global satellite communications organisation supporting a critical senior leadership hire within LEO satellite operations.

This role will take overall responsibility for the development, deployment and long-term operation of a next-generation LEO satellite constellation. The successful candidate will lead the definition of operational concepts, oversee SOC system development, and build and mentor a high-performing satellite operations team through all mission phases — from launch and orbit raising to in-service operations and end-of-life disposal.

Key Responsibilities – Senior Director, LEO Satellite Operations

• Lead the definition and delivery of the Satellite Operations Concept for a LEO constellation
• Oversee SOC system requirements including command & telemetry, flight dynamics, SSA, automation and analytics
• Manage supplier selection and make/buy decisions aligned to schedule, budget and risk
• Collaborate closely with satellite manufacturers to support operations readiness and procedures
• Lead development, validation and deployment of SOC systems and processes
• Build, structure and mentor a new Satellite Operations organisation
• Define operational schedules, identify risks and drive mitigation strategies
• Oversee on-orbit operations across LEOP, orbit raising, validation and steady-state service
• Drive automation to ensure efficient, reliable and scalable constellation operations

Key Experience Required – Senior Director, LEO Satellite Operations

• Bachelor’s degree in Engineering, Science or Mathematics
• 20+ years’ experience in spacecraft operations systems and on-orbit operations
• Proven leadership experience within MEO or LEO satellite constellation operations
• Strong expertise in satellite control systems, flight dynamics and space situational awareness
• Demonstrated ability to build and lead large, multidisciplinary technical teams
• Strong stakeholder management, decision-making and communication skills
• Ability to work in Canada and obtain Canadian Controlled Goods Program (CGP) clearance

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An exciting opportunity has arisen for an experienced satellite operations leader to take ownership of a next-generation Mission Operations Centre supporting a large-scale LEO satellite constellation programme.

This is a senior leadership role responsible for building and operating the Mission Operations Centre (MOC), fleet management platform, and on-orbit commissioning capability for a rapidly growing satellite network. The successful candidate will play a critical role in defining operational strategy, satellite commissioning, fleet management, and conjunction assessment processes in a complex operational environment.

Key Responsibilities

• Lead the development and operation of the Mission Operations Centre and associated fleet management systems
• Select and integrate Mission Control System (MCS) and operational software platforms
• Oversee integration between mission operations, network control, and wider ground segment infrastructure
• Define and implement Space Situational Awareness (SSA) and conjunction assessment procedures
• Lead on-orbit commissioning activities including spacecraft health checks, payload activation, ISL commissioning, and operational verification
• Establish redundancy, resilience, and disaster recovery strategies across mission-critical infrastructure
• Coordinate with external partners, suppliers, and operational stakeholders
• Support the transition to 24/7 constellation operations as the programme scales

Essential Skills & Experience

• 12+ years’ experience in satellite fleet operations or mission operations environments
• Strong background in LEO constellation operations and spacecraft commissioning
• Hands-on experience with Mission Management or Mission Control Systems
• Familiarity with SSA/SDA workflows, collision avoidance, and conjunction assessment processes
• Experience leading complex operational programmes across multidisciplinary teams
• Strong stakeholder management and operational decision-making capability
• Postgraduate qualification in Aerospace Engineering, Systems Engineering, Computer Science, or related discipline

Desirable Experience

• Experience scaling operational infrastructure for large satellite constellations
• Knowledge of ground segment integration, network operations, or telecoms infrastructure
• Experience with high-availability operational environments and disaster recovery planning
• Exposure to international regulatory or operational frameworks within the space sector

What’s on Offer

• Opportunity to lead operations for a cutting-edge satellite constellation programme
• High-impact leadership role within a rapidly growing space environment
• Long-term career growth within a technically advanced organization
• Collaborative, international engineering and operations environment

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An exciting opportunity has arisen for an experienced satellite ground segment specialist to lead the development and deployment of advanced Gateway Earth Station (GES) infrastructure within a next-generation LEO constellation programme.

This is a senior technical leadership role responsible for end-to-end ownership of gateway earth station deployment including Ka-band tracking antennas, S-band feeder-link gateways for direct-to-device (D2D) services, RF and baseband infrastructure, and high-availability power and cooling systems. The successful candidate will act as the technical authority across site selection, civil works, gateway integration, commissioning, and operational readiness activities.

You will play a critical role in shaping the evolution of next-generation NTN communications capability, supporting nationwide gateway rollout, Ka-band rain-fade mitigation strategies, and resilient ground segment infrastructure for advanced satellite broadband and D2D services.

Key Responsibilities • Lead end-to-end deployment of gateway earth station infrastructure from site survey through commissioning and operational handover.
• Manage civil works, utility integration, and construction activities across Phase 1 gateway deployment sites.
• Procure and integrate Ka-band tracking antennas, gateway RF systems, and baseband communications equipment.
• Build and commission S-band feeder-link gateway infrastructure supporting NTN and D2D communications services.
• Design gateway diversity and switching strategies for monsoon rain-fade mitigation and high-availability operations.
• Deliver resilient power and cooling infrastructure including UPS systems, DG backup, and redundancy planning to 99.999% availability targets.

Essential Skills & Experience • 12+ years’ experience in earth station deployment, RF infrastructure, or satellite ground segment engineering.
• Strong hands-on experience with Ka-band LEO tracking antennas and gateway systems.
• Track record delivering multi-site civil and RF infrastructure programmes within regulated timelines.
• Experience operating earth station infrastructure in tropical or monsoon environments.
• Familiarity with WPC, SACFA, and earth station licensing processes is preferred.
• Bachelor’s or postgraduate qualification in RF Engineering, Antenna Engineering, Telecommunications, Civil Engineering, or related discipline.

An opportunity has arisen for a Mechanical Engineer to join a multidisciplinary engineering team developing next-generation phased array antenna and optical communication systems for ground and aerospace applications.

This role spans full mechanical system development, from architecture definition through to design, analysis, integration, testing, and support for manufacturing. You will work across complex, high-reliability systems designed for demanding aerospace environments, contributing to both prototype development and production-ready designs.

You will take ownership of the mechanical development lifecycle for advanced antenna systems, ensuring robust design solutions are delivered from early concept through to qualification and deployment. The role requires close collaboration with RF, systems, hardware, and manufacturing engineering teams, as well as external suppliers and test partners.

Key Responsibilities

• Lead mechanical architecture definition, requirements breakdown, and trade-off analysis
• Design, simulate, and test complex mechanical assemblies and subsystem components
• Support integration of mechanical systems into larger RF, electrical, and optical platforms
• Perform mechanical, thermal, and environmental analysis for aerospace-grade systems
• Develop designs with manufacturability, testability, and reliability in mind
• Collaborate with manufacturing partners and external test facilities
• Support project planning, scheduling, and technical risk assessments
• Work closely with systems, RF, hardware, and multidisciplinary engineering teams
• Contribute to both prototype demonstrators and production-intent designs
• Ensure clear documentation of technical solutions, analysis, and test results

Essential Skills & Experience

• Bachelor’s or Master’s degree in Mechanical Engineering
• 5+ years’ experience in mechanical engineering within aerospace, space, or high-reliability industries
• Strong experience in thermal analysis and thermal management techniques
• Experience in system-level engineering across mechanical, electrical, RF, or optical domains
• Strong understanding of embedded packaging for harsh or space environments
• Experience with Design for Test (DFT) and Design for Manufacture (DFM) principles
• Familiarity with regulatory compliance, certification, and production scaling
• Hands-on experience with laboratory testing, integration, and assembly
• Strong analytical and problem-solving skills with the ability to work across full system lifecycles
• Experience supporting both low- and high-volume manufacturing processes
• Willingness to travel across Europe and the United States as required

Desirable Skills

• Solid experience with SolidWorks (including EPDM) and parametric CAD design
• ANSYS Mechanical, ANSYS Discovery, Icepak
• Mathcad
• Electronic thermal management and cooling design
• Experience designing for harsh or rugged aerospace environments
• Exposure to Agile configuration management practices
• Experience working on space or satellite programmes
• Strong ability to challenge existing approaches and drive engineering improvements

Eligibility

• Swiss or EU citizenship, or valid Swiss work permit required

What’s on Offer

• Opportunity to work on advanced satellite communications and optical systems
• End-to-end ownership of complex mechanical development programmes
• Exposure to both R&D and production-scale engineering challenges
• Collaborative, multidisciplinary international engineering environment
• High-impact work supporting aerospace and communications technologies

TT

An opportunity has arisen for a senior cyber security leader to define and drive the security architecture for a next-generation satellite communications and space infrastructure programme spanning both space and ground segments.

This is a high-impact technical leadership role with end-to-end responsibility for cyber security, lawful intercept, and secure communications architecture across mission operations, network infrastructure, and spacecraft systems. You will act as the primary technical authority for security design, ensuring resilience, compliance, and operational integrity are embedded throughout the full programme lifecycle.

You will shape and govern the security architecture of a complex, multi-domain satellite communications environment, covering mission operations centres, core networks, gateway infrastructure, and onboard spacecraft systems. The role also includes significant involvement in regulatory compliance and security assurance activities for government and commercially sensitive environments.

Key Responsibilities

• Lead the design and implementation of lawful intercept capabilities across gateway and terrestrial network environments
• Define and maintain the overall cyber security architecture across mission operations, network control systems, core networks, and ground infrastructure
• Ensure data sovereignty, localisation, and regulatory requirements are embedded into system and network design
• Lead space segment security design, including command authentication, anti-spoofing measures, secure communications links, and onboard cryptographic controls
• Support security clearance processes, regulatory submissions, and responses to technical assurance findings
• Plan and coordinate penetration testing, red-team activities, and end-to-end security audits across the programme
• Act as final technical authority for security architecture approval prior to operational deployment
• Collaborate closely with systems engineering, spacecraft engineering, network engineering, and operations teams to ensure security is embedded throughout the lifecycle

Essential Skills & Experience

• 12+ years’ experience in cyber security, telecommunications, satellite communications, defence, or critical infrastructure environments
• Proven experience delivering or managing lawful intercept capabilities in telecoms or secure communications systems
• Strong background in cyber security architecture and secure systems engineering
• Experience working on regulated or security-cleared programmes
• Knowledge of secure space communications, including authentication, anti-spoofing, and cryptographic protection techniques
• Relevant certifications (e.g. CISSP, OSCP, CEH or equivalent) desirable
• Strong technical leadership and stakeholder management capability
• Degree or postgraduate qualification in Cyber Security, Computer Science, Telecommunications, or related field

Desirable Experience

• Exposure to satellite communications networks, NTN architectures, or defence-grade secure communications systems
• Familiarity with secure communications standards and frameworks (e.g. CCSDS SDLS, NIST)
• Experience with integrated space and ground segment infrastructure programmes
• Knowledge of secure cloud platforms, virtualised network environments, or 5G core systems
• Experience managing third-party security assurance, audits, or supplier security reviews

What’s on Offer

• A leading role shaping the security architecture of a next-generation satellite communications programme
• Significant technical ownership and influence across programme delivery
• Flexible and remote working options
• Long-term involvement across development, deployment, and operational phases
• Collaboration within an international engineering environment focused on advanced space technologies

We are supporting a leading satellite communications organisation on a critical hire within a next-generation global satellite network programme.

This role focuses on advanced system architecture across a complex, distributed satellite communications solution. The successful candidate will lead the definition, prioritisation and evolution of the end-to-end product architecture spanning space, ground and user segments.

As System Architect, you will take ownership of the overall product system architecture, ensuring cohesion across hardware, embedded software, networking infrastructure and cloud-native services.

This is a high-impact opportunity to shape the architecture of a large-scale satellite network from concept through operational delivery. You will ensure technical alignment with business and operational objectives, maintaining architectural integrity across a highly integrated ecosystem.
 

Key Responsibilities

• Design and evolve the constellation architecture, enabling dynamic service orchestration, configuration management, telemetry and lifecycle automation across distributed systems
• Define and maintain the end-to-end product system architecture
• Ensure architectural alignment with business and operational goals, including fault tolerance, observability and maintainability
• Provide architectural oversight during Agile release planning, sprint execution and release readiness
• Prioritise development initiatives based on business value, technical feasibility and strategic alignment
• Lead governance of system architecture across hardware, embedded software, cloud-native services, network orchestration and edge computing
• Define and maintain architectural standards aligned to security and performance requirements
• Work closely with domain architects responsible for subsystem delivery to ensure seamless integration
• Oversee technical evaluations, interface definitions and integration strategies for third-party solutions

What We’re Looking For

• Bachelor’s or Master’s degree in Computer Science, Engineering or a related field
• 12+ years’ experience in software development and systems architecture
• Strong understanding of embedded systems, networking and communication protocols
• Experience within satellite or aerospace domains highly desirable
• Experience with network management operations
• Knowledge of cloud computing platforms
• Familiarity with cybersecurity principles
• Experience with Model-Based Systems Engineering (Capella advantageous)
• Excellent communication, leadership and stakeholder management skills

Why Apply?

• Influence the architecture of a complex global satellite communications network
• Work across space systems, embedded platforms and cloud-native infrastructure
• Operate at a strategic level within a long-term, high-visibility programme
• Join a multidisciplinary engineering environment solving technically challenging problems at scale

If you are an experienced system architect with a background in complex distributed systems and satellite communications, we would be keen to speak with you.

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

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

An exciting opportunity has arisen for a Hardware Engineer to join a leading R&D team developing next-generation technologies for advanced 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).
• Experience with photodetectors, transimpedance amplifiers, microcontrollers and/or FPGAs, and RF components.
• Proficiency with test equipment such as oscilloscopes, spectrum analyzers, and vector network analyzers.
• Background in space, 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 communications. This is a hands-on engineering role where your designs will directly contribute to the next generation of secure, high-performance space technology.

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