Senior Test Engineering Specialist

Telesat · Washington, D.C.

OtherLightspeed System Development - Landing Stations and User TerminalsHybridFull Time Hire - (FTE with Benefits)

Telesat is hiring a Senior Test Engineering Specialist in Washington, D.C., District of Columbia (hybrid, full-time). Posted 23 February 2026. Apply directly on Telesat's own careers site — no account needed.

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Télésat (Nasdaq et TSX : TSAT) est un opérateur mondial de satellites de premier plan qui fournit depuis plus de 50 ans des solutions de communication par satellite fiables et sécurisées à des clients du secteur de la radiodiffusion, des télécommunications, des entreprises et des gouvernements.

Forte d'une tradition d'excellence en ingénierie, de fiabilité et de service à la clientèle de premier ordre dans le secteur, Télésat est devenue l'un des opérateurs mondiaux de satellites les plus importants et les plus prospères.

Telesat Lightspeed, notre réseau révolutionnaire de satellites en orbite basse (LEO), dont la mise en service est prévue en 2027, redéfinira la connectivité mondiale à bande passante pour les utilisateurs professionnels en offrant une capacité, une sécurité et une résilience élevées, ainsi que des prix abordables, avec une latence ultra-faible et des vitesses comparables à celles de la fibre optique. Télésat a son siège social à Ottawa, au Canada, et possède des bureaux et des installations partout dans le monde.
Pour en savoir plus, consultez le site www.telesat.com.

Role Overview:

The Senior Test Engineering Specialist will issue recommendations and have influence on the system verification and validation of the Telesat Lightspeed System.

The successful candidate is required to work on-site a minimum of four (4) days per week at our Bethesda, MD office.

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 DevOps, 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

The successful candidate must be legally authorized to work in the United States.

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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