Senior Specialist Software Developer (Networking - LS336)

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 15 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

We are seeking a highly skilled Senior Software Developer with expertise in Networking to join our team. The ideal candidate will have a strong background in developing software solutions for network infrastructure, protocols, and routing algorithms. This position requires a deep understanding of networking concepts and hands-on experience in designing and implementing scalable and efficient networking software.

• Design, develop, and maintain software components for networking and routing systems, including protocol stacks, routing algorithms, and network management tools.
• Collaborate with cross-functional teams, including network architects, product managers, and quality assurance engineers, to gather requirements and ensure the successful delivery of networking software solutions.
• Implement and optimize network protocols such as TCP/IP, OSPF, IS-IS, MPLS and Segment Routing to enhance network performance, reliability, and scalability.
• Write software for Metro Ethernet Forum (MEF) services such as E-Line, E-LAN, and E-Tree, transported over pseudowires.
• Develop software modules for network configuration, monitoring, and troubleshooting, leveraging tools and frameworks such as SNMP, NetConf, and YANG.
• Analyze and improve the performance of networking software, identifying bottlenecks, and implementing optimizations to reduce latency and increase throughput.
• Contribute to the design and development of distributed systems and microservices architectures for large-scale network deployments.
• Write clean, maintainable, and well-documented code following best practices and coding standards.
• Participate in code reviews, providing constructive feedback and ensuring code quality and adherence to coding guidelines.
• Investigate and resolve complex networking issues, collaborating with network operations and support teams to troubleshoot and identify root causes.

• Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.
• Strong proficiency and experience in software development, with a focus on networking and routing technologies.
• Strong programming skills in languages such as C++, Python
• Deep understanding of networking concepts, protocols, and architectures, including TCP/IP, VLANs, routing protocols (e.g., OSPF, IS-IS, MPLS), and network virtualization (e.g., SDN, NFV).
• Experience with network simulation and emulation tools like NS-3, OPNET, or GNS3 desired.
• Experience with developing fast path packet processing software using DPDK/VPP and PMD drivers is strongly desired.
• Knowledge of network security principles, including secure communication protocols (e.g., SSL/TLS, IPsec) and network access control mechanisms.
• Familiarity with software development methodologies, including Agile and Scrum.
• Excellent problem-solving and debugging skills, with the ability to analyze complex network scenarios and propose efficient solutions.
• Strong communication and collaboration abilities, with the aptitude to work effectively in a team environment and communicate technical concepts to both technical and non-technical stakeholders.
• Passion for continuous learning and keeping abreast of emerging trends and technologies in the networking domain.

• This role has no direct reports, but will work and interact with multi-disciplinary engineering teams.

• This role offers hybrid work environment.
• Working conditions are generally comfortable typical of an office environment.
• international travel is required

• The successful candidate must be able to work in Canada and obtain a Reliability Clearance

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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.