Senior Specialist UT Systems Engineer

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Senior Specialist UT Systems Engineer

Telesat (NASDAQ and TSX: TSAT) is a leading global satellite operator, providing reliable and secure satellite-delivered communications solutions worldwide to broadcast, telecommunications, corporate and government customers for over 50 years. Backed by a legacy of engineering excellence, reliability and industry-leading customer service, Telesat has grown to be one of the largest and most successful global satellite operators.

Telesat Lightspeed, our revolutionary Low Earth Orbit (LEO) satellite network, scheduled to begin service in 2027, will revolutionize global broadband connectivity for enterprise users by delivering a combination of high capacity, security, resiliency and affordability with ultra-low latency and fiber-like speeds. Telesat is headquartered in Ottawa, Canada, and has offices and facilities around the world.

The company’s state-of-the-art fleet consists of 14 GEO satellites, the Canadian payload on Via Sat-1 and one LEO 3 demonstration satellite. For more information, follow Telesat on X and Linked In or visit (Use the "Apply for this Job" box below). Senior Specialist User Terminal Systems Engineer will provide technical expertise in the development of equipment, software and systems related to the development of LEO Lightspeed user terminals (UT).

The ideal candidate will bring a deep knowledge and expertise on Air Interface protocols/procedures, software architecture, UT operations and System Functionality. This role focuses on technical aspects related to the development, validation, and deployment of user terminals including modem, antenna and RF components for an integrated UT that will meet the overall system requirements and market use cases.

Main Responsibilities

Define and Evolve UT Systems:
Develop and maintain technical requirements and architectural frameworks for Telesat Lightspeed user terminal ensuring alignment with system-level performance goals and operational concepts.

Concept of Operations Development:
Lead the definition of UT operational procedures

Vendor Engagement & Technical Leadership: interface with modem and antenna vendors to drive architectural alignment, clarify requirements, identify technical gaps, and develop risk mitigation strategies throughout the product lifecycle

UT System Integration: collaborate with UT engineering and architecture to define interfaces, ICDs, and component/subsystem/terminal specifications.

Deployment Planning: develop and maintain a comprehensive development and deployment plan that supports the Lightspeed service introduction schedule and long-term scalability across market segments including Enterprise, Maritime, Aero, Government and Land Mobility

Cross-functional collaboration:

Work closely with internal Telesat’s systems engineering and technical product management teams to ensure seamless integration of terminal functionality and performance within the complete system and according to product roadmaps and external vendors

Education & Experience Required

B.Eng. (Electrical or Computer Science), Masters or Ph.D. Electrical Engineering /Computer Science will be considered assets.

Specialization in software engineering or software architecture.

14+ years’ experience in satellite systems development and implementation

Demonstrated system engineering role or knowledge in the networking and communication environment

Prior experience in working with the vendors in the communication ecosystems to design and develop a product that successfully meets market needs

Specialized Knowledge, Skills & Abilities

Expert level knowledge of satellite communication technologies with strong emphasis on user terminal equipment design and implementation.

Knowledge of satellite communication access techniques, modulation and associated performance tradeoffs.

Knowledge of antenna technologies required for terminals tracking NGSO satellites for mobile land, aeronautical, maritime and fixed applications.

Experience in cloud, edge computing, or mobile networking

Familiarity of regulatory…