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Added 19 mins ago
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Telesat

Embedded Software Architect, User Terminals

Ottawa, ON, Canada

Job type: Full-time
Apply by: Oct 29, 2026
Experience: 10+ years of software engineering experience with increasing technical leadership responsibility.
Posting language: English
Posted: Sep 29, 2026

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Original job description

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 55 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 and Government 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 Satellite fleet consists of 12 GEO satellites, the Canadian payload on ViaSat-1 and one LEO 3 demonstration satellite. For more information, follow Telesat on X and LinkedIn or visit www.telesat.com

The Software Architect - User Terminals will define and lead the software architecture for Telesat military and government satellite communication terminal solutions. The role provides technical leadership across programs, ensuring software designs meet system, security, operational, and long-term product requirements.

Main Responsibilities

Define and maintain software architecture for military User Terminal products and programs.
Lead architectural trade studies and technology evaluations.
Collaborate with Systems Engineering to derive software architectures from system requirements.
Ensure software designs meet reliability, resiliency, and cybersecurity requirements.
Define interfaces between embedded software, networking components, modems, and external systems.
Serve as software technical authority during customer engagements and design reviews.
Guide development teams on architecture implementation and best practices.
Support proposals, demonstrations, and technical reviews.
Support integration, troubleshooting, and root-cause analysis.
Mentor software engineers and technical leads.

Education And Experience Required

Bachelor's degree in Computer Science, Software Engineering, Electrical Engineering, Computer Engineering, or related discipline.
Master's degree considered an asset.
10+ years of software engineering experience with increasing technical leadership responsibility.
Experience defining and leading architectures for SATCOM, wireless communications, networking, defense, aerospace, or telecommunications systems.
Experience working on government, military, defense, or security-sensitive programs is highly desirable.

Specialized Knowledge, Skills And Abilities

Strong understanding of software architecture principles and design methodologies.
Experience architecting distributed, embedded, and real-time software systems.
Strong knowledge and experience with SATCOM, wireless communications systems, modem technologies, RF systems, and IP-based communications.
Experience with User Terminal, gateway, modem, antenna control, networking, or telecommunications systems.
Understanding of military communications concepts, tactical networking, and mission-critical systems.
Experience programming in C, C++, and Python.
Knowledge of Linux-based embedded systems and operating system fundamentals.
Strong understanding of routing, switching, VPNs, QoS, multicast, and secure communications.
Experience with virtualization, containerization, and cloud technologies.
Understanding of cybersecurity principles and secure software development practices.
Experience with Agile development methodologies.
Excellent communication and problem-solving skills.

Decision Making and Supervision

Provides architectural direction across military User Terminal programs. No direct reports, but significant technical leadership and mentoring responsibilities.

Working Conditions

Hybrid work environment. Occasional domestic and international travel may be required.

The successful candidate must be able to work in Canada and obtain clearance under the Canadian Controlled Goods program (CGP).

At Telesat, we take pride in being an equal opportunity employer that values equality in the workplace. We are committed to providing the best candidate experience possible including any required accommodations at every stage of our interview process. All qualified applicants that have been selected for an interview that require accommodations, are advised to inform the Telesat Talent team accordingly. We will work with you to meet your needs. All accommodation information provided will be treated as confidential.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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More about this job

Responsibilities

Define and lead software architecture for military and government user terminal products, including architectural trade studies, system interfaces, and alignment with reliability, resiliency, and cybersecurity requirements. Provide technical authority and guidance across programs, support customer engagements, proposals, integration, troubleshooting, and design reviews, and mentor engineers and technical leads.

Requirements

Requires a bachelor's degree in a relevant engineering or computer science discipline and 10 or more years of software engineering experience with increasing technical leadership responsibility; a master's degree is an asset. Candidates should have architecture experience in SATCOM or related communications and defense systems, strong embedded and networking expertise, proficiency in C, C++, and Python, and the ability to work in Canada and obtain Canadian Controlled Goods Program clearance.

Skills

Software Architecture
Embedded Systems
Real-Time Systems
SATCOM
Wireless Communications
Networking
C
C++
Python
Linux
Cybersecurity
Routing and Switching
VPNs
Quality of Service
Virtualization and Containerization
Agile Development

Visa sponsorship

Not detected in the job text

Keywords

Software Architecture
Military User Terminals
Satellite Communications
SATCOM
Low Earth Orbit
Embedded Software
Distributed Systems
Real-Time Systems
Systems Engineering
Cybersecurity
Reliability
Resiliency
Modem Technologies
RF Systems
IP Communications
Tactical Networking
C
C++
Python
Linux
Routing
Switching
VPN
Quality of Service
Multicast
Virtualization
Containerization
Cloud Technologies
Agile Development

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