SES Space & Defense

Solutions Engineer

• Serve as the technical authority for hosted payload missions, leading payload development from early mission concept through integration, launch, and on-orbit operations
• Operate as a payload-focused Chief Engineer, owning payload performance, payload-to-bus integration, technical risk retirement, and mission success across communications, sensing, compute, and advanced technology payloads
• Working closely with spacecraft manufacturers, suppliers, mission operations teams, and customers, ensure payload requirements are translated into executable designs and successfully integrated into GEO and MEO spacecraft architectures
• Lead payload architecture, accommodation trades, and technical decision-making across hosted payload and payload-centric mission opportunities
• Serve as the primary authority for payload-to-bus integration, ensuring alignment across mechanical, thermal, structural, electrical, RF, software, TT&C, and mission operations interfaces
• Define and manage payload requirements, interface control documents (ICDs), verification plans, and configuration baselines
• Lead verification and validation activities including functional testing, EMI/EMC, thermal vacuum, vibration, shock, RF performance, and end-to-end mission testing
• Drive integration planning and execution across spacecraft manufacturing, EGSE/MGSE environments, environmental testing, and launch preparation activities
• Lead payload commissioning, calibration, checkout, and performance validation activities during on-orbit operations
• Evaluate hosted payload opportunities and mission concepts, assessing technical feasibility, integration impacts, risk, schedule, and performance considerations
• Partner with spacecraft providers, suppliers, customers, and mission stakeholders to resolve technical issues and drive program execution
• Support major program reviews including SRR, PDR, CDR, TRR, FRR, and technical interchange meetings
• Identify, manage, and retire technical risks throughout the mission lifecycle while maintaining focus on mission performance and operational success

Senior Payload Integration Engineer

• Serve as the technical authority for hosted payload missions, leading payload development from early mission concept through integration, launch, and on-orbit operations.
• Operate as a payload-focused Chief Engineer, owning payload performance, payload-to-bus integration, technical risk retirement, and mission success across communications, sensing, compute, and advanced technology payloads.
• Work closely with spacecraft manufacturers, suppliers, mission operations teams, and customers, ensuring payload requirements are translated into executable designs and successfully integrated into GEO and MEO spacecraft architectures.
• Lead payload architecture, accommodation trades, and technical decision-making across hosted payload and payload-centric mission opportunities.
• Define and manage payload requirements, interface control documents (ICDs),verification plans, and configuration baselines.
• Lead verification and validation activities including functional testing, EMI/EMC, thermal vacuum, vibration, shock, RF performance, and end-to-end mission testing.
• Drive integration planning and execution across spacecraft manufacturing, EGSE/MGSE environments, environmental testing, and launch preparation activities.
• Partner with spacecraft providers, suppliers, customers, and mission stakeholders to resolve technical issues and drive program execution.
• Support major program reviews including SRR, PDR, CDR, TRR, FRR, and technical interchange meetings.

Payload Integration Engineer

Business Development Rep

• Position SES Space & Defense and SES as a leader within the Sovereign Space market
• Lead next-generation business development programs delivering end-to-end space-based network and satellite solutions
• Support proposal development efforts, including RFIs, RFPs, and RFQs, through the business capture process while coordinating subcontractors, consultants, and internal team members
• Develop and maintain relationships with U.S. Government organizations, industry partners, satellite operators, competitors, and vendors to identify strategic market opportunities
• Develop SES Space & Defense strategies, initiatives, and investment recommendations supporting the organization's strategic goals and financial objectives
• Identify, qualify, and develop mid- and long-term opportunities related to space relay services and other space-segment growth initiatives while coordinating with government, allied, and industry partners
• Work with senior leadership to identify, qualify, and execute strategic opportunities, including alliances, joint ventures, mergers, acquisitions, and other revenue-generating initiatives

Business Development Manager, Space Initiatives

• The Manager, Business Development is responsible for expanding SES Space & Defense’s presence across the Department of Defense, Intelligence Community, and broader U.S. Government market.
• This role develops and strengthens customer relationships, identifies new growth opportunities, and translates mission needs into innovative space and connectivity solutions that create long-term value for customers.
• Working closely with engineering, program management, products, and executive leadership, the successful candidate will shape capture strategies, guide business pursuits, and drive revenue growth aligned to the company’s strategic objectives.
• The position requires an understanding of government acquisition processes, competitive market dynamics, and emerging technologies across the space and defense ecosystem.
• This is an opportunity for a business leader who combines customer intimacy, strategic thinking, and technical curiosity to help advance SES Space & Defense’s role in delivering mission-critical capabilities to government partners.

Business Development Manager

Full-stack Engineer

• The Senior Software Engineer is responsible for designing, developing, and deploying scalable software solutions as part of a cross-functional Agile team.
• This role combines hands-on software engineering with modern data architectures, API development, and microservices design to deliver enterprise applications that support mission and business objectives.
• The successful candidate will collaborate closely with developers, architects, and product owners to build secure, resilient, and maintainable solutions across multiple system environments.
• Working throughout the full software development lifecycle, this individual will help drive technical excellence, mentor peers, and continuously improve engineering practices and delivery processes.
• The role is ideal for an experienced engineer who enjoys solving complex problems while building high-quality software that enables long-term organizational success.

Senior Software Engineer

Security Engineer

• The Cyber Security Engineer will serve as a key member of SES Space & Defense's growing Cyber Organization, supporting program cybersecurity initiatives across mission-critical government and satellite communications environments.
• This role is responsible for helping ensure systems remain compliant, resilient, and ready to meet evolving customer and regulatory requirements throughout the program lifecycle.
• The successful candidate will provide hands-on support across cybersecurity engineering, vulnerability management, continuous monitoring, and certification activities while partnering closely with program managers, systems engineers, and operational teams.
• Acting as a trusted technical resource, this individual will help integrate security into system design, implementation, and sustainment efforts from the earliest stages of development.
• Ensure system compliance within the Cybersecurity Maturity Model Certification (CMMC) framework and associated policies, procedures, and guidelines.
• Provide hands-on cybersecurity support, guidance, and quality assurance for projects, programs, and team members.
• Serve as a Subject Matter Expert (SME) on system certification and authorization activities.
• Review customer-required security plans, including CONOPS, OPSEC documentation, standard practices, and operating procedures.
• Interface with Program Management to ensure compliance with established security plans and customer directives.
• Review, prepare, and maintain CMMC packages in accordance with NIST 800-171 and customer requirements.

Cyber Security Engineer

Systems Engineer

• Serve as the principal technical authority for the RF Ground System and anchor station supporting GEO satellite communications operations.
• Lead engineering activities associated with the design, development, integration, and deployment of mission-critical RF ground infrastructure, including:
• Large aperture antenna systems
• RF chains and associated subsystems
• Frequency conversion equipment
• High-power amplification systems
• Low-noise receive systems
• Modems and waveform processing systems
• Monitoring and control systems
• RF monitoring and spectrum management capabilities
• Develop and maintain RF ground segment architecture, requirements, interface control documents (ICDs), and technical baselines.
• Support the Ground Segment IPT Lead in coordinating technical execution across spacecraft, ground segment, network, cybersecurity, and operations teams.
• Lead engineering activities supporting satellite feeder link connectivity, including:
• Link budget development and validation
• RF performance analysis
• Carrier planning
• Spectrum coordination
• Availability and resiliency assessments
• End-to-end communications performance verification
• Provide technical leadership for TT&C ground system implementation, including command path design, telemetry reception, tracking support, and operational interfaces.
• Support development and execution of ground segment integration and test activities, including:
• Factory Acceptance Testing (FAT)
• Site Acceptance Testing (SAT)
• RF performance testing
• End-to-end satellite-to-ground testing
• Operational readiness demonstrations
• Lead RF troubleshooting, anomaly resolution, and root cause analysis during integration, test, launch, and on-orbit operations.
• Coordinate with satellite manufacturer teams to ensure compatibility between spacecraft RF payload, TT&C systems, and ground infrastructure.
• Support development of operational procedures, maintenance plans, configuration documentation, and sustainment processes.
• Provide technical oversight of anchor station reliability, redundancy, availability, and disaster recovery capabilities.
• Support cybersecurity implementation efforts for RF ground infrastructure, including protection of command and control pathways.
• Participate in customer technical reviews, design reviews, readiness reviews, and program milestone assessments.
• Mentor junior engineers and provide technical guidance across the RF ground engineering team.

Principal RF Ground Systems – Anchor Station Engineer

Operations

• The AISR Operations Center Technician will provide tier 1 satellite and network operations support.
• Ensure the effective monitoring, control, and configuration of a global satellite communications network including forward deployed satellite earth terminals and embedded network communications equipment.
• Provide daily operational support for hub and remote systems supporting global satellite networks.
• Analyze and resolve end user hardware and software computer problems in a timely and accurate manner and provide end user training where required.
• Continuously monitor network and space segment performance to provide customer support as required.
• Support and escalate user network issues to appropriate offices.
• Track and manage automated service interruptions for the network users awareness.
• Resolve customer issues related to broadband IP communication via satellite transmission; support complex systems installations and startup at customer sites.
• Monitor ViaSat equipment configurations and network performance, in real time, and report conditions and anomalies to the designated team lead.
• Support user access and troubleshoot ViaSat KuSS and KaSS remotes.
• Prepare reports on network utilization, performance and activity as required.
• Open and track trouble tickets as required to resolve network or terminal issues.
• Isolate and correct network faults using network management tools.
• Manage service restoration activities and track/update trouble ticketing system.