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 www.telesat.com

Our Software Development team architects, develops, tests and maintains the Telesat Lightspeed System Model, a state-of-the-art suite of engineering software tools running on high performance computing (HPC) infrastructure for the modeling of resource allocation and end-to-end communication system performance analysis of the Telesat Lightspeed satellite constellation. As a Senior Software Developer in Test, you will ensure the quality and reliability of the System Model codebase, as well as the microservice ecosystem supporting it, through effective and automated software testing. The Software Developer in Test will be responsible for writing software tools and scripts in addition to leveraging existing test frameworks and tools to perform integration, system, performance, and other tests to validate the functional and non-functional requirements of the product. They will also be responsible for integrating these tools and frameworks into the software development process by contributing to the continuous development and deployment pipelines.

Main Responsibilities

Collaborate with the development team to understand software requirements and design test strategies accordingly
Build and maintain the tooling infrastructure needed to validate functional and non-functional requirements of the System Model, writing code to test code
Build and maintain automated test frameworks and infrastructure using GitLab, Git Runners, and Slurm-based HPC resources
Develop and execute comprehensive test plans, test cases and continuous integration for the System Model suite within varied software development environments including Matlab, Java, and Python
Perform various types of testing, including functional, regression, performance, and scalability testing, to ensure code quality
Analyze test results, identify defects, and work closely with developers to troubleshoot and resolve issues
Continuously improve testing processes and methodologies to enhance efficiency and effectiveness
Monitor and manage test environments, ensuring stability and availability
Staying up-to-date with the latest industry trends and technologies related to software testing and automation

Education & Experience Required

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field
5-9 years of relevant experience in software development and testing
Experience in Python and/or Java programming language
Experience with one or more of the following technologies: Golang, C/C++, Kafka, gRPC, Databases, SQL, Azure, etc.
Experience working with multiple test automation tools and frameworks such as Selenium Web Driver, Katalon, Watir, Cucumber and others
Extensive experience with GitLab for version control and CI/CD processes and Git Runners for test automation
Solid understanding of Linux environments and command-line tools
Experience with Linux clusters and cluster job managers
Experience with agile development
Experience with Matlab language and programming platform is considered an asset

Specialized Knowledge, Skills & Abilities

Strong analytical and problem-solving skills, ability to identify and troubleshoot issues efficiently
Strong interpersonal skills, ability to collaborate and work effectively with cross-functional teams
Attention to detail and a strong commitment to delivering high-quality software
Experience with business considerations and practical limitations related to system design and implementation
Ability to prioritize opportunities, needs and resources
An aptitude for and interest in complex technology
Ability to bring forth new ideas to create and improve infrastructure and processes
Fluent in English, written and oral. French is an asset

Equipment Used

Computers running Windows and Linux
Linux Cluster HPC Environment

Decision Making & Supervision

In this role, the incumbent will issue recommendations and have influence on the software design, development workflow and testing environment of the Lightspeed System Model
This role has no direct reports
The successful candidate must be able to work in Canada and obtain a Reliability clearance.

#LI-DNI

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.

Senior Software Developer in Test

LS270

Telesat

Main Responsibilities

Education & Experience Required

Specialized Knowledge, Skills & Abilities

Equipment Used

Decision Making & Supervision

6 month growth

1 year growth

2 year growth

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