Systems and Software Architect 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. They are now developing a LEO constellation that will revolutionize global broadband connectivity for enterprise. Our partner is seeking a Senior level Systems and Software Architect  to play a vital role the architecture, design, development, and testing of next-generation constellation software. Key Responsibilities for the  Systems and Software Architect: Take a lead in the design, development, and implementation of very advanced embedded and satellite ground segment software systems. Lead the architecture and design of the management plane, spanning scalable and modular Element Management System (EMS) and Network Management System (NMS) components. Definition and architecture of software solutions across the full stack (embedded modules and board support packages to OS-level integration and system-wide services). Drive and implement advanced testing methodologies, including Test-Driven Development (TDD) and software simulation frameworks. Be a technical leader and mentor to the software teams, supporting with design and code reviews, and ensuring adherence to coding standards and best practices. Support the wider team in the identification, troubleshooting, and resolving of complex software issues. Design and implement scalable networking features (e.g., MPLS). Use modern software tools and practices, including virtualization, containerization, and cloud technologies. Key Skills& Experience for the Systems and Software Architect: A degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field. 15 years of experience in software development and testing, with a strong focus on embedded systems and real-time applications. Proven experience as a technical lead, or architect. Proven experience in the design of software with consideration for hardware resource constraints and system-level integration. Strong experience architecting complex systems, including management planes with Element Management System (EMS) and Network Management System (NMS) components. Strong understanding of system-level concepts, including fault management, performance monitoring, configuration management, networking, storage, operating systems, and cybersecurity considerations. Proficiency in modern C (C 14/17/20). Experience with Linux operating systems. 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 in the office per week. If your skills and experience match this  Systems and Software Architect opportunity, we encourage you to apply now!