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Added 1 min ago
T
Data Engineer Intern/Co-op (Winter 2027)
TD
Toronto, ON
- Full-time
…(Data-as-a-service or DaaS). Job responsibilities for a Data Engineer Intern/Co-op may vary by area. They may include, but are not limited to the…
Added 1 min ago
FM
Sustaining Engineer – R&D
FluidAI Medical
Kitchener, ON
- $65,000 to $80,000 CAD / year
Basic understanding of manufacturing processes and quality systems
Added 1 min ago
FM
Research and Development Engineer (Junior)
FluidAI Medical
Kitchener, ON
- $65,000 to $80,000 CAD / year
Application Screening: All applications are screened manually. We do not use AI or AI-Augmented Applicant Tracking Systems (ATS) to screen, assess, reject, or select candidates.
Added 1 min ago
FM
Research and Development Engineer (Intermediate)
FluidAI Medical
Kitchener, ON
- $75,000 to $90,000 CAD / year
Application Screening: All applications are screened manually. We do not use AI or AI-Augmented Applicant Tracking Systems (ATS) to screen, assess, reject, or select candidates.
Added 1 min ago
Sales Applications Engineer (HVAC)
Oxygen8 Solutions Inc
Vancouver, BC · Toronto, ON
…buildings more energy-efficient. Our 100% electric ventilation systems improve air quality, reduce carbon footprints, and help people feel safe and comfortable in the spaces where they…
Added 16 mins ago
Project Engineer
Kiewit
Oakville, ON · Toronto, ON · Etobicoke, ON
As a Project Engineer, you will be responsible for the administrative and technical aspects of constructing a project, managing a team of field and cost engineers. Do you have strong…
Added 16 mins ago
O
Sales Applications Engineer (HVAC)
Oxygen8
Vancouver, BC
- Full-time
…buildings more energy-efficient. Our 100% electric ventilation systems improve air quality, reduce carbon footprints, and help people feel safe and comfortable in the spaces where they…
Added 30 mins ago
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GNSS Software Engineer
Hexagon
Calgary, AB
- Full-time
GNSS Software Engineer to join our team in Calgary, AB, Canada. Reporting to the
Added 31 mins ago
O
Sales Applications Engineer (HVAC)
Oxygen8
Toronto, ON
- Full-time
…buildings more energy-efficient. Our 100% electric ventilation systems improve air quality, reduce carbon footprints, and help people feel safe and comfortable in the spaces where they…
Added 31 mins ago
ST
Design Convergence Lead
SEGULA Technologies
Windsor, ON
- Full-time
…VISA (CANADIAN CITIZENSHIP)**The Design Convergence Lead (DCL) Engineer is responsible for establishing, developing, and enforcing component- and system-level dimensional control…
Added 31 mins ago
TI
Performance Engineer
Themesoft Inc.
Toronto, ON
- Contract
Experience working with large scale distributed systems & large data volumes
Added 31 mins ago
CI
Manager, Sales Governance and Operations
Calian in Space & Technology
Ottawa, ON
- Full-time
…governance processes, sales operations reporting, business systems optimization, and strategic initiatives while supporting organizational continuity through the development and maintenance…
Added 31 mins ago
TI
Performance Engineer
Themesoft Inc.
Toronto, ON
- Contract
Experience working with large scale distributed systems & large data volumes
Added 31 mins ago
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Junior Cyber Incident Response Analyst
Hootsuite
Ottawa, ON
- Full-time
Support the team in the day-to-day security operations monitoring and response for corporate and customer facing systems
Added 31 mins ago
TI
Performance Engineer
Themesoft Inc.
Toronto, ON
- Contract
Experience working with large scale distributed systems & large data volumes
Added 31 mins ago
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DevOps Engineer (Services Team)
StackAdapt
Canada
- Full-time
The Engineering Operations team builds and operates the infrastructure, observability, and automation systems that power our engineering environment. This role joins the Services team, a…
Added 31 mins ago
ML
Engineering Manager
Maple Leaf Foods Inc
London, ON
- $122,000 to $172,000 CAD / year
- Full-time
…responsible for project engineering, process engineering, training systems and technical documentation, and engineering support for critical utilities. The position plays a key role in…
Added 31 mins ago
ML
Reliability Engineer
Maple Leaf Foods Inc
ON · Hannon, ON
- $71,000 to $103,000 CAD / year
- Full-time
Provide leadership and support for manufacturing improvement projects aimed at enhancing equipment, processes, and systems to increase plant capacity, line efficiency, and Preventive…
Added 31 mins ago
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Technical Sales and Field Service Engineer
Captiveaire - Region 114 Western PA
Saskatoon, SK
- Full-time
Seeking a driven and motivated engineer to join our sales team focusing on growing business with existing customers and developing new business. This position will involve applications…
Added 45 mins ago
Manager - Engineering, NGL
Wolf Midstream
Calgary, AB
…risk-informed decisions, and remain accountable for the engineering systems that protect people, the environment, production, and asset value. The role connects immediate operating needs…
Added 45 mins ago
3
Quality Engineer II
3f003dc7-1976-44db-b5e0-0c1851def895
ON
- $65,000 to $85,000 CAD / year
- Full-time
Pursuit Aerospace is seeking a Quality Engineer that would be responsible for ensuring assigned products meet customer purchase orders, drawings, and specifications related to the…
Added 45 mins ago
A
Technical Lead - Railway Infrastructure
AtkinsRéalis
Montreal, QC · Quebec, QC
- Full-time
…technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
Added 45 mins ago
A
Railway Infrastructure Specialist
AtkinsRéalis
Montreal, QC · Quebec, QC
- Full-time
…technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
Added 45 mins ago
A
Human Factors Specialist
AtkinsRéalis
Mississauga, ON
- Part-time
…technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
Added 45 mins ago
A
Engineer - Cable Routing and Low-Voltage Systems
AtkinsRéalis
Montreal, QC
- Full-time
…technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…

Telesat

Senior Software Developer In Test - Python Automation Engineer

Ottawa, ON, Canada

Contract

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Job details

Job type: Contract
Posting language: English
Posted: Oct 4, 2026

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 14 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

Position Overview

We are seeking a highly skilled Senior Python Automation Engineer to design, build, and evolve production-grade automation frameworks, engineering tools, and automated validation for distributed, event-driven microservices. This is a senior hands-on software development role with no people-management responsibility. The successful candidate will use Python as the primary engineering language, apply AI-assisted development responsibly, and work across APIs, asynchronous messaging, CI/CD, containers, and Kubernetes environments.

The engineer will collaborate with software developers, DevOps engineers, architects, and quality engineering stakeholders to improve testability, shorten feedback cycles, diagnose complex distributed failures, and produce repeatable evidence of software quality and release readiness.

\nKey Responsibilities

Design, develop, maintain, and document production-grade automation frameworks, reusable Python packages, fixtures, command-line tools, test utilities, and supporting services.
Use AI-assisted development tools in day-to-day engineering to accelerate coding, refactoring, test generation, debugging, analysis, and documentation while independently reviewing outputs for correctness, security, maintainability, and licensing risk.
Design automated tests with Pytest and apply deep knowledge of collection and execution flow, fixtures, parametrization, markers, hooks, configuration, and plugin architecture.
Configure, extend, or create Pytest plugins for parallel execution, reporting, retries, logging, test selection, resource coordination, port allocation, environment management, and CI-friendly result publication.
Read and understand existing Java code and create or modify small Java scripts or utilities when required. The role does not own Java-based test automation.
Develop, integrate, and validate REST APIs and gRPC services, including unary calls, server-side streaming, client-side streaming where applicable, and bi-directional streaming.
Build automation for distributed, event-driven microservices and asynchronous workflows using Azure Service Bus and Azure Blob Storage, including message correlation, ordering, timing, retries, idempotency, dead-letter handling, failure recovery, and data validation.
Create functional, integration, component, contract, system, regression, reliability, resilience, performance, and scalability automation for service-based and end-to-end workflows.
Validate distributed-system behaviours such as eventual consistency, partial failure, timeout propagation, retry behaviour, duplicate delivery, backpressure, concurrency, and service recovery.
Integrate tests, reports, logs, artifacts, environment controls, and automated quality gates into GitLab CI/CD pipelines and GitLab Runner environments.
Package and execute automation in containerized environments and deploy, inspect, diagnose, and troubleshoot tests and microservices running on Kubernetes.
Improve repeatability through deterministic test data, configuration management, environment isolation, structured logging, metrics, traces, and actionable failure diagnostics.
Participate in code reviews, technical design discussions, engineering standards, documentation, and peer knowledge sharing as a senior individual contributor.

Requirements

Strong hands-on Python development experience, including object-oriented design, typing, packaging, dependency management, concurrency or asynchronous programming, error handling, logging, and maintainable framework architecture.
Demonstrated experience designing and implementing substantial automation frameworks and engineering tooling, not only writing individual test cases.
Deep understanding of Pytest architecture, collection and execution lifecycle, fixture design, parametrization, hooks, configuration, plugin development, and plugin ecosystems.
Practical experience using AI-powered development tools as part of normal engineering workflows, with disciplined human review and validation of generated code and tests.
Working knowledge of Java sufficient to read production code and write or modify small scripts and utilities.
Experience developing, integrating, or testing REST APIs and gRPC services, including streaming patterns and distributed failure modes.
Experience automating asynchronous messaging and object-storage workflows using Azure Service Bus and/or Azure Blob Storage, or closely comparable technologies.
Experience with GitLab, merge-request workflows, source-control best practices, GitLab CI/CD, runners, pipeline artifacts, and automated quality gates.
Solid understanding of distributed systems, event-driven architecture, microservices, Linux, containers, CI/CD, and automated deployment pipelines.
Strong debugging, analytical, communication, and collaboration skills, with the ability to work independently in a senior developer capacity.

Nice to Have

Foundational networking knowledge, including IP addressing, ports, DNS, TLS, routing, load balancing, connectivity troubleshooting, and client-server behaviour.
Experience working in highly automated, AI-enabled engineering environments where AI tools support a significant portion of coding, scripting, analysis, and documentation.
Exposure to Prometheus, Grafana, OpenTelemetry, structured logs, metrics, and distributed traces.
Exposure to telecommunications, SDN orchestration, simulation, high-performance computing, or engineering-modelling platforms.

Education

Bachelor’s or master’s degree in Computer Science, Software Engineering, Computer Engineering, or a related field, or equivalent practical experience.

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

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More about this job

Responsibilities

Design, develop, and maintain production-grade automation frameworks and engineering tools for distributed, event-driven microservices. Collaborate with cross-functional teams to improve testability, shorten feedback cycles, and ensure software quality through automated validation.

Requirements

Requires strong hands-on Python development experience and deep knowledge of Pytest architecture and plugin ecosystems. Candidates must have experience with distributed systems, CI/CD pipelines, containerized environments, and the ability to obtain Canadian Controlled Goods program clearance.

Skills

Python
Pytest
Automation Frameworks
REST APIs
gRPC
Azure Service Bus
Azure Blob Storage
GitLab CI/CD
Kubernetes
Microservices
Event-driven Architecture
Containerization
Linux
Java
AI-assisted Development
Distributed Systems

Visa sponsorship

Not detected in the job text

Keywords

Python
Pytest
Automation
Microservices
REST API
gRPC
Azure Service Bus
Azure Blob Storage
GitLab CI/CD
Kubernetes
Docker
Linux
Java
Event-driven Architecture
Distributed Systems
CI/CD
AI-assisted Development
Software Quality
Test Automation
Infrastructure as Code
Telemetry
Prometheus
Grafana
OpenTelemetry
Networking
SDN Orchestration
Satellite Communications
LEO
Controlled Goods Program
Reliability

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