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SDN Manager

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
Telesat believes in the power of collaboration and the value of in-person interactions. This is why our employees generally work from the office Tuesday - Thursday, leaving Monday and Friday for choice and flexibility to work where you feel most effective. This setup fosters brainstorming, problem-solving, and trusted relationships and allows our marketing team to come together three days a week to collaborate, innovate and thrive!

The Constellation Network Operating System (CNOS) is a temporo-spatial Software Defined Network controller (SDNc) that orchestrates the Lightspeed constellation across land, sea, air and space to satisfy service demands. The SDN Manager will lead the software engineering team supporting the development and operation of CNOS, leveraging vendor-supplied applications, and will oversee its integration with other Lightspeed systems, in particular the Operational Support System (OSS) and the data plane.

Main Responsibilities

  • Develop in-depth knowledge of the Lightspeed constellation requirements, architecture and design specifications
  • Develop in-depth knowledge of the Constellation Network Operating System requirements, architecture and design specifications
  • Guide architecture, design, implementation, integration and verification activities that will drive the network operating system solution to success, while maintaining a view of scope, timeline, and budget.
  • Plan development activities, estimate effort and duration, secure resources, establish schedules compatible with other company projects, and manage risk and change
  • Recruit competent and talented software engineers
  • Establish professional development plans for the team in order to maintain a high degree of technical competence
  • Provide regular updates to management on work in progress, work completed, work planned and issues potentially impacting the on-time completion or quality level of work
  • Lead the implementation of network control algorithms into robust, highly-available, fault-tolerant, production-grade, real-time software.
  • Manage aspects of network operations and control systems procurement, from RFP definition, through evaluation of proposals, proofs of concept, detailed designs, implementation, testing and finally operational support.
  • Guide team on new solutions, best practices, and industry trends.

Education & Experience Required

  • Bachelor's degree in computer science, software engineering, network engineering or equivalent practical experience
  • 6-9 years of relevant industry experience working in software development or software engineering, with at least 5 years in a management position
  • Experience developing Software Defined Network applications and real-time network controllers.
  • Experience with agile development and software lifecycles.
  • Familiarity with cloud native design patterns for large scale, distributed, highly available, fault-tolerant, multi-tier applications.
  • Creative problem-solving skills and strong analytical and decision-making skills.
  • Strong written and oral English communication skills
  • Familiarity with satellite and terrestrial telecommunications considered an asset.

Decision Making & Supervision

  •  In this role, the incumbent will have significant influence on the design, development and deployment of network operations and control solution of the Telesat Lightspeed network. They will need to make recommendations and decisions based on their experience.
  • This role has multiple direct reports, and will work and interact with multi-disciplinary engineering, procurement, legal, and commercial teams.

Working Conditions

  • Working conditions are typical of an office environment.
  • Occasional international travel is anticipated.
  • Occasional overtime 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.
Commitment: Full Time Hire - (FTE with Benefits)
Department: Space and Network Engineering - IT
Location: Gatineau, Quebec
Team: Technical Applications - Network Operations Software
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