Jobs in Canada

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Added 3 mins ago
SD
Pharmacist, Hourly Full Time Day Greenlight Requisition
Shoppers Drug Mart
Hamilton, ON
- Full-time
To manage the operations of the Pharmacy while on duty, including providing consultation to both customers and health care providers, practice to full scope in providing professional…
Added 3 mins ago
SD
Pharmacist, Hourly Part Time Day Greenlight Requisition
Shoppers Drug Mart
Hamilton, ON
- Part-time
To manage the operations of the Pharmacy while on duty, including providing consultation to both customers and health care providers, practice to full scope in providing professional…
Added 3 mins ago
SD
Pharmacist, Hourly Part Time Flexible Shifts
Shoppers Drug Mart
Vancouver, BC
- Part-time
To manage the operations of the Pharmacy while on duty, including providing consultation to both customers and health care providers, practice to full scope in providing professional…
Added 3 mins ago
US
Automotive Apprentice Technician
UPS Supply Chain Solutions
Calgary, AB · CA - CALGARY INTERNATIONAL AIRPORT HUB (ABYYC)
- Full-time
Able/willing to work evening and/or night shifts
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US
Scarborough Area package Delivery Driver
UPS Supply Chain Solutions
Ajax, ON · CA - AJAX BUILDING (ONAJX)
- Full-time
Package Delivery Drivers must have excellent customer contact and driving skills · Qualified applicants must have a valid driver’s G or higher license issued in the state of Ontario
Added 3 mins ago
EM
Automotive Detailer - Car Washer - Downtown Toronto
Enterprise Mobility
Toronto, ON
- $18.25 CAD / hour
- Full-time
…the industry. As an Auto Detailer and Car Washer, you will lead our commitment to exceptional cleaning practices, exceeding standard protocols to ensure the health and safety of…
Added 3 mins ago
TT
Summer Student, Sales
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- Full-time
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Added 3 mins ago
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Summer Student, Lead to Cash
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- Full-time
Collaborate with cross-functional teams, including IT, operations, finance, and marketing, to ensure alignment and successful implementation of Lead to Cash initiatives.
Added 3 mins ago
W
(CAN) Front End Team Lead
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- Full-time
4. Delegate, assist and follow up overall front-end operations, ensuring proper coverage, coordinating breaks.
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(CAN) Leader d’équipe, marchandise générale
Walmart
Trois-Rivières, QC
- Full-time
5. Review completed schedules with People Lead. 6. Assign Associates to support with coverage and availability tasks in all areas of the store.
Added 3 mins ago
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General Merchandise Assistant Manager
Walmart
Brampton, ON
- Full-time
To support the Store Manager and manage store operations according to Company guidelines and lead Associates to ensure friendly, helpful service and drive profitable store sales.
Added 3 mins ago
S
Senior Android Software Engineer
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Remote, Canada
- Full-time
- Remote
…production features from day one alongside an iOS Engineering Team Lead, while protecting enterprises from cyber threats with some of the brightest minds in cybersecurity and Identity…
Added 3 mins ago
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Project Manager
SECURE
Calgary, AB
- Other
As Project Manager, Customer & Operations Enablement, you will lead the delivery of technology and business transformation projects that support SECURE’s five-year corporate strategy.…
Added 3 mins ago
CC
Retail Shift Leader
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Calgary, AB · Edmonton Trail, Calgary, AB
- Full-time
Must have valid SellSafe Certification
Added 3 mins ago
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Sr. Manager, Distribution
Maple Leaf Foods Inc.
Mississauga, ON
- $122,000 to $172,000 CAD / year
- Full-time
Multi-Site Distribution Leadership: Lead the operating cadence across MWDC, Winnipeg, Viau and other distribution operations, aligning site leaders to common priorities, standards and…
Added 3 mins ago
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DYNAMITE - Operations Team Leader FT - Centre Eaton Montreal
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- Full-time
Reporting to the Store Manager, your main focus as Operations Team Lead is to maximize company sales and profitability by maintaining stockroom organization and by managing inventory…
Added 3 mins ago
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Dishwashing Supervisor
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Whistler, BC
- Full-time
Lead and supervise the Stewarding team in all aspects of the department and ensure standards are followed
Added 3 mins ago
NA
Academic Liaison, Energy & Natural Resources
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St. Catharines, ON · Main Campus
- Full-time
Project Leadership: Lead and implement projects aimed at reducing barriers, improving efficiency, enhancing communication, and streamlining processes. Apply project management…
Added 18 mins ago
Garbonzo's Sports Pub Supervisor
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Must possess a valid Smart Choices Certificate
Added 18 mins ago
Finance Director
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Toronto, ON · Louiseville, QC
Corporate Finance organization to support consolidated reporting, planning, financial governance, and cross-border business initiatives · Serve as a key finance partner in the cross-border relationship with Lakeside Book U.S
Added 18 mins ago
Finance Director
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Toronto, ON · Louiseville, QC
Corporate Finance organization to support consolidated reporting, planning, financial governance, and cross-border business initiatives · Serve as a key finance partner in the cross-border relationship with Lakeside Book U.S
Added 18 mins ago
Customer Experience Manager
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As part of Management, the Assistant Manager possesses a passion for fashion and customer service. They recruit and lead a winning team that provides a unique and memorable shopping…
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Business Systems Analyst
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…manufacturing organization, this role offers the opportunity to lead medium-complexity analysis efforts, manage stakeholder expectations, and define solutions that enhance business…
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Solution Analyst
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Lead functional testing, troubleshoot system issues and identify long-term solutions. Support and coach team members on problem-solving, documentation and ERP best practices.
Added 18 mins ago
Account Executive Powerpay, Outbound (Bilingual English/French)
Dayforce
Fredericton, NB · Moncton, NB · Toronto, ON · Ottawa, ON · Montreal, QC
…headquartered in Toronto, Ontario, and Minneapolis, Minnesota, with operations across North America, Europe, Middle East, Africa (EMEA), and the Asia Pacific Japan (APJ)…

Telesat

Senior Defence Systems Engineering Specialist

Ottawa, ON, Canada

Full-time

Apply on jobs.lever.co About employer

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Job details

Job type: Full-time
Experience: Substantial systems engineering experience, typically 15+ years, including architecture ownership and multidisciplinary technical leadership.
Posting language: English
Posted: Nov 6, 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 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

Are you passionate about breakthrough technologies and eager to shape the future of satellite-based solutions for defence and national security?

We are seeking a Senior Defence Systems Engineering Specialist to help shape new satellite-enabled capabilities for Canadian and allied defence users. Reporting to the Director, Research & Development, Defence Satellite Mission Solutions, you will lead multidisciplinary investigations from mission-need qualification through initial prototype laboratory validation.

Initial opportunities include system features such as alternative positioning, navigation and timing (PNT), optical relay connectivity with other satellite systems, and space-domain awareness data products. You will combine technical depth with systems thinking, practical experimentation and multidisciplinary leadership.

\nMain Responsibilities

Work with Sales and Product teams with potential customers to translate operational needs into mission scenarios, concepts of operation, measurable effectiveness objectives, requirements and acceptance criteria. Establish the current performance baseline, desired benefit, starting maturity, assumptions and investigation scope.
Evaluate candidate approaches, suppliers and opportunities to reuse, buy, partner or develop. Define system boundaries, the functions allocated to each component, interfaces, data flows and quantitative performance budgets. Compare expected benefits, integration constraints and resource needs; identify the critical uncertainties that determine feasibility.
Integrate security, resilience and mission-assurance requirements into architecture and verification. Assess effects on Lightspeed capacity, coverage, availability, timing, power, spectrum, interference and operations, working with the relevant specialists and product authorities.
Develop and apply computer models and simulations to assess system performance and technical feasibility and lead targeted proof-of-concept experiments. Define hypotheses, compare measured results with predictions and quantify uncertainty and residual risk. Undertake hands-on analysis and testing within your expertise and direct specialist contributions where needed.
Lead laboratory integration with hardware, software and test teams. Define supporting elements, control implementation versions, and maintain requirements-to-test traceability. Establish repeatable procedures and obtain agreement on the test envelope and pass/fail criteria before execution.
Lead laboratory validation of performance, security and resilience within the agreed envelope. Assess repeatability, correlate models with results, resolve or disposition anomalies, and document limitations. Substantiate technology maturity claims and make recommendations whether to proceed, rework, hold or stop an investigation.
Lead technical reviews, mentor engineers and coordinate technical work with Engineering, Product management, Sales and Operations. Support Telesat’s customer and supplier engagements as a technical subject-matter expert.

Education and Experience Required

Bachelor’s degree in Systems Engineering, Electrical Engineering, Aerospace Engineering, Physics, Computer Engineering or a related discipline, or equivalent relevant professional experience. An advanced degree is an asset.
Substantial systems engineering experience, typically 15+ years, including architecture ownership and multidisciplinary technical leadership. Equivalent experience demonstrating comparable scope and outcomes for this role will be considered.
Experience in satellite systems, defence communications, aerospace, wireless, secure networking or comparable integrated systems, with depth in one relevant domain.
Demonstrated experience translating operational needs and security/resilience constraints into requirements, architecture trade-offs and measurable validation objectives, working with customers and engineering teams.
Demonstrated experience developing and applying computer models and simulations, conducting experimental investigations and performing laboratory validation, including interpretation of measurements and management of technical risk.

Specialized Knowledge, Skills and Abilities

Sound engineering judgment, curiosity and the ability to structure ambiguous problems, challenge assumptions and distinguish evidence from estimates.
Strong systems thinking and communications or networking fundamentals, with the ability to learn unfamiliar technologies.
Proficiency with analysis, modelling and test tools, such as Python, MATLAB or comparable platforms.
Experience leveraging AI in support of engineering activities.
Clear written and oral communication and technical facilitation skills, including the ability to explain complex findings to technical and non-technical audiences.
Experience in one or more of PNT/timing, optical communications, RF systems, satellite networking, space-domain awareness, sensor processing or AI-enabled analysis is an asset. Defence/government programs and model-based systems engineering are additional assets.
Fluent in English, written and oral. French is an asset.

Equipment Used

Windows and Linux computers and laboratory instrumentation appropriate to each investigation.

Decision Making and Supervision

In this role, the incumbent owns technical evidence and recommendations and will have influence on the Lightspeed system design.
This role has no direct reports.

The successful candidate must be eligible to work in Canada, meet applicable Canadian Controlled Goods Program screening requirements, and due to the sensitive nature of the work be able to obtain and maintain NATO Secret security clearance.

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.

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More about this job

Responsibilities

The specialist will lead multidisciplinary investigations from mission-need qualification through prototype validation for satellite-enabled defence capabilities. They will translate operational needs into technical requirements, develop system models, and conduct laboratory integration and testing.

Requirements

Candidates must have a bachelor's degree in an engineering or physics discipline and at least 15 years of substantial systems engineering experience. Proficiency in modeling tools and experience in satellite, aerospace, or secure networking systems is required, along with eligibility for Canadian Controlled Goods and NATO Secret clearance.

Skills

Systems Engineering
Satellite Communications
Defence Systems
Requirements Analysis
Computer Modeling
Simulation
Laboratory Validation
Python
MATLAB
Technical Leadership
Architecture Design
Risk Management
PNT
Optical Communications
RF Systems
AI-enabled Analysis

Visa sponsorship

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Keywords

Systems Engineering
Satellite
Defence
LEO
PNT
Optical Relay
Space-domain Awareness
Requirements Engineering
Modeling
Simulation
Python
MATLAB
AI
RF Systems
Networking
Aerospace
Mission Assurance
Technical Reviews
Laboratory Instrumentation
NATO Secret Clearance
Integration
Validation
Architecture
Data Flows
Performance Budgets
Proof-of-concept
Technology Maturity
Research & Development
Satellite Fleet

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Jobs in Canada