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.

a flextime policy with paid overtime discretionary bonuses other office perks such as catered weekly lunches and free hot beverages (espresso, coffee, hot chocolate and tea)

We are seeking a System Engineer to perform design, integration, verification, and operational support of TT&C;/PDT subsystems for current and next‑generation remote sensing and communications satellites. The role will interface with spacecraft payload teams, ground‑segment developers, and mission‑operations teams to ensure reliable command delivery, high‑fidelity telemetry acquisition, and robust data handling throughout the satellite life‑cycle.

Define TT&C;/PDT functional architecture (command generation, uplink, telemetry downlink, on‑board data handling, RF front‑end).

Conduct trade‑studies for modulation schemes, coding, frequency plans, ranging and link budgets.

Produce System Requirements, Interface Control (ICDs), and Description documents.





Perform requirement management and maintain bidirectional traceability throughout the project lifecycle.

Lead detailed design of hardware (TT&C; transceiver, RF front‑ends, antenna‑pointing) and software (command sequencer, telemetry parser, health‑monitoring).

Perform link‑budget analysis, RF simulation (e.g., Verify compliance with CCSDS, ECSS, ITU, and regulatory standards.

Support Satellite Reference Database development and validation

Present technical status, risk analyses, and trade‑study results to senior management.

Develop test plans, procedures, and verification matrices for unit, subsystem, and spacecraft‑level TT&C; tests.

Execute RF link testing, BER, command latency, and telemetry integrity verification.

Manage anomaly investigation, root‑cause analysis, and corrective actions.

Technical Leadership & Mentorship Act as technical liaison with customers, partners and external vendors

Act as Continuous Improvement stakeholder

Configuration, Documentation & Standards Management Ensure all artefacts, analysis, software, deliverables and documentations are version controlled in PLM environment.

Support launch‑pre‑launch and early‑orbit checkout – validate command uplink, telemetry acquisition, and on‑board software hand‑over.





Maintain ground‑segment configuration (gateways, mission control servers, monitoring dashboards).

in Electrical Engineering, Aerospace or related field with 8+years of TT&C;/PDT System design experience on LEO/MEO/GEO platforms.

Proficiency in RF link‑budget analysis, S‑band/X‑band/Ka‑band modem architecture.

Strong understanding of aerospace system engineering fundamentals, space environment and orbit mechanics.

Hands‑on individual who can support systems integration processes and capability to test systems and resolve problems.

Demonstrated capability to efficiently work with little supervision.

Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity.

Demonstrate excellent written and oral communication skills in English; knowledge of French will be considered an asset (Contact with clients outside Quebec and work on deliverables in English).

This position is open only to Canadian citizens and permanent residents currently residing in the Montreal area.

The work model is hybrid, with a requirement to work in the office four (4) days per week.

The position may require occasional travel to visit customers in North America.

Knowledge of English is required to communicate and work with customers outside the province of Quebec. / La connaissance de l'anglais est requise pour communiquer et travailler avec nos clients situés à l'extérieur de la province de Québec.

Diversity of thought and experiences leads to cutting-edge solutions and creativity.

📌 Satellite Systems Engineer (Montreal)
🏢 Mannarino
📍 Montreal