MANNARINO Systems & Software Inc. is a leader in providing safety‑critical systems, software, hardware and certification engineering services to the aerospace, defense, space, simulation & power generation industries. Our customer base is very large, covering traditional aerospace companies as well as new and exciting markets, including electric propulsion, Urban Air Mobility, Unmanned Aerial Vehicle and autonomous flight. The MANNARINO culture is focused on high quality, hard work, professionalism and teamwork within a highly respectful, motivating atmosphere geared towards long‑term business growth. As a member of our team, you will benefit from: a comprehensive group insurance and RRSP plan a flextime policy with paid overtime discretionary bonuses a fitness reimbursement program other office perks such as catered weekly lunches and free hot beverages (espresso, coffee, hot chocolate and tea) regular company outings Career Opportunity and Primary Roles / Responsibilities Experience with digital payload systems and digital communications Understanding of interaction and integration between payload subsystems Strong knowledge of GN&C and spacecraft subsystem trimerity Solid systems engineering capabilities with ability to interpret mission‑level requirements Hands‑on experience in satellite systems engineering Roles are part of MDA’s work on three major satellite constellations supporting cutting‑edge missions Lightspeed Broadband Constellation: delivering global high‑speed connectivity using advanced digital payloads High‑capacity data networks: moving gigabytes of data through sophisticated payload systems and high‑speed ground terminals Earth Observation Missions: radar‑based ground imaging to monitor ice‑shelf changes, detect wildfires, and provide environmental insights Engineers receive end‑to‑end involvement from Phase 0 design through launch and orbit operations Detailed spacecraft design, assembly, and integration Deployment and launch management to orbital position Engineering of key satellite subsystems including GN&C, electrical power distribution, payload and antenna subsystems, and electrical propulsion systems Hands‑on work with spacecraft software maintenance to ensure mission continuity and system reliability in orbit The Telecommunication Payload Systems Engineer is responsible for design, analysis, implementation, optimization, and enhancement of end‑to‑end communication digital payload systems and subsystem elements Support or lead technical projects and end‑to‑end telecommunications systems engineering activities via satellite, providing flexibility in connectivity and capacity Support the design of communication satellite payloads from conventional RF bent‑pipe payloads to digital onboard processing payloads (transparent or regenerative) Generate or support system requirements definition and subsystem specifications for RF and digital equipment, including digital channel processor specifications, DRA phased antennas with analog or digital beamforming, high‑capacity multiple spot‑beam systems, and flexible payloads including multi‑port amplifiers Perform requirement analysis and system trade studies Perform link and performance budget calculations and evaluate satellite throughput Generate and supervise methods, standards, plans, and procedures for systems engineering tools and system tests for payloads with digital channel processing Support design reviews Required Competencies Bachelor's degree or higher in Electrical Engineering, Physics or equivalent. This position requires a minimum of 4 to 8 years of experience in digital equipment, signal processing and networking (i.e. DTN, MPLS, routing protocols & Class of Service, DVB), the knowledge of 5G NTN, RF and system payload design will be considered favorably. Knowledge of simulation tools (Matlab, Simulink, UML, STK, etc.) and operating systems (Linux, etc.). Knowledge of software development with Agile method. Knowledge of the architectures and operation of SDR (Software Defined Radio). Demonstrated experience in leading multi‑disciplinary engineering teams is desired. Excellent communication, technical writing, and oral presentation skills. French required, English fluency would be an asset (contact with customers outside Québec). Excellent interpersonal skills, strong work ethic and self‑motivation. Strong analytic, technical and problem‑solving skills. Knowledge of English is required to communicate and work with customers outside the province of Quebec. We are an equal opportunity employer. All applicants will be held in strict confidence. Only those selected for interview will be contacted. #J-18808-Ljbffr