Senior Ground Segment Engineer

As Loft strengthens its activities in the defense and security domain, we are reinforcing our security governance and operational capabilities in France.

We are looking for a Security Officer to support and structure Loft France’s security activities in a growing defense context. This role will serve as the primary security point of contact in France, covering regulatory, clearance, and operational security topics, while working closely with international teams in a fast-moving startup environment.

The Security Officer will combine strong knowledge of security and clearance processes with a practical, hands-on mindset, able to operate effectively in a highly dynamic, international organization.

About this role

• Manage architecture for ground station and inter-satellite link (ISL) connectivity solutions
• Own cross-fleet contact allocation, planning, and satellite connectivity configurations
• Support satellite operations both in nominal operations and by providing on-call support during commissioning.
• Own our network infrastructure alerting capabilities (ground station availability and anomaly detection, intersatellite link stability, etc)
• Own ground segment management – project management, cost management, contract management, RF compatibility test management, licensing coordination
• Own ground segment optimization – both technical performance and financial
• Own ground segment operation – escalation for ISL or Ground Station issues, serve as point of contact with providers during launch and early operations, commissioning of ISLs, new ground station sites.
• Occasionally test connectivity between Loft’s cloud and network providers, together with our Cloud Infrastructure team
• Serve as a rotating Flight Director, overseeing incident response and ensuring the health and safety of the fleet.
• Manage RF licensing together with our regulatory team

Must haves

• 4-5 years relevant experience
• RF knowledge sufficient to develop ground station or intersatellite link configurations
• Protocol knowledge (internet/transport layer): CCSDS (131.0/132.0, 231.0/232.0) and/or ECSS standards, TCP/IP, UDP
• Licensing knowledge
• Ability to debug connectivity issues in a complex network environment
• Experience with Kubernetes (k8s), Docker, Git, Python
• Willingness and enthusiasm to be trained as a satellite controller and Flight Director (including participation in the on-call rotation).

Nice to haves

• Having held this type of position in the past
• Proven experience developing software

Some of our awesome benefits

• 100% company-paid medical, dental, and vision insurance option for employees and dependents
• Flexible Spending ( FSA ) and Health Savings ( HSA ) Accounts offered with an employer contribution to the HSA
• 100% employer paid Life, AD&D , Short-Term, and Long-Term Disability insurance
• Flexible Time Off policy for vacation and sick leave, and 12 paid holidays
• 401(k) plan and equity options
• Daily catered lunches and snacks in office
• International exposure to our team in France
• Fully paid parental leave; 14 weeks for birthing parent and 10 weeks for non-birthing parent
• Carrot Fertility provides comprehensive, inclusive fertility healthcare and family-forming benefits with financial support
• Off-sites and many social events and celebrations
• Relocation assistance when applicable