Senior Test Engineering Specialist

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 Via Sat-1 and one LEO 3 demonstration satellite. For more information, follow Telesat on X and Linked In or visit

The successful candidate will issue recommendations and have influence on the system verification and validation of the Telesat Lightspeed system.

Main Responsibilities

Develop verification matrices for feeder and user link system requirements, including:
Spectrum usage, carrier sizes, polarization, power control

Link establishment, maintenance, and degradation scenarios

Design and execute tests validating:
Feeder/User link coverage and elevation limits, Spectrum assignment by UT/LS location, Link behavior under fading, interference, and outage conditions

Serve as Link Layer SME for DVB‑S2X, DVB‑RCS2, and Ka‑band link operation.

Perform hands‑on link testing in the LEO Lab, including:
Channel emulation, Link impairments, Carrier aggregation and spectrum flexibility

Configure and operate satellite link emulators, signal generators, spectrum analyzers, and traffic generators.

Ensure product under test meets technical, functional, performance and business requirements.

Work closely with antenna vendors, modem teams, and RF engineers to validate end‑to‑end link behavior.

Support OTA test planning and execution for feeder and user links.

Support System Acceptance Planning activities for the LEOP and IOT.

Work with other segments like Dev Ops, Ground Systems, Satellite and foster a collaborative and innovative environment

Education & Experience Required

B. Sc. in Electrical, Computer or System Engineering and a minimum of 12 years of relevant experience in satellite communications

5+ years of work experience in different antenna types like Flat Panel Antenna, Parabolic and Aero Antenna (Ka band preferable)

5+ years of work experience in Satellite RF communication systems with strong exposure on modulation and coding used in modern standards like DVB‑S2(X) and DVB‑RCS2

Strong understanding of RF engineering Principles, Design Practices, Feeder/User link test design, validation, and testing.

Hands on experience using RF test equipment (Oscilloscopes, Signal Generators, Spectrum Analyzers, satellite channel emulator)

Strong understanding of Ka‑band link budgets, polarization, ACM, and interference effects.

Demonstrated understanding of air interfaces, modem technologies, modulation and coding and its impact on the satellite link performance

Experience with satellite link budget analyses with good understanding of effects of impairments on the link performance

Experience in test case and defect tracking tools (Jira, Jama)

Demonstrated ability to communicate effectively with management, engineering teams and partners / suppliers.

Familiarity with Agile development methodologies.

Experience working with geographically dispersed teams.

Preferred Qualifications

Experience with different Ka band antenna vendors

Experience with Flat Panel Antenna and Aero Antenna (Ka band preferable)

Experience with BUC/LNB and various Antenna technologies

Experience in Planning activities for the LEOP and IOT.

Highly collaborative team player who can quickly earn the confidence of co‑workers and teammates

Experience in MEF standards.

Proficient with MATLAB, Python, or similar

Excellent oral and written communication skills

Working Conditions

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

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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.

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