Tasks summary: Architecture Concept & Requirements Establish functional, performance, environmental and security requirements with mission stakeholders & CONOPs.

Translate requirements into clear payload performance parameters and maintain bidirectional traceability throughout the project lifecycle.

Establish with cybersecurity team payloadspecific requirements & embed resilience and security by design.

Payload Architecture Definition Define the overall digital regenerative payload architecture (optical/RF ISLs, antenna arrays, digitizers/ onboard processing, Feeder links, master reference oscillator & clock synchronizations).

Define Interface Control Documents (ICDs) with spacecraft bus, ground segment and payload specific subsystems.

Define highspeed databus I/F (Serdes, Space

Wire, Space

Fibre, Ethernet, CAN, fiber).

Trade

Study & Technology Road

Mapping Lead tradeoffs for technologies, ASIC/FPGAs/SoCs, highspeed databus, and onboard processing algorithms, PVT.

Identify emerging technologies and incorporate them into our client''s longterm roadmap.

System Modeling & Performance Simulation Build endtoend models of the signal chain (optical/RF, analog/digital) using MATLAB/Simulink, System

View or Pythonbased toolkits.

Run Monte

Carlo and tolerance analyses to verify gain, SNR, agile range, spectral efficiency, G/T, EIRP and other key metrics.

Optimize payload design and performance with operation with traffic models/CONOPs.

Simulation & Analysis Oversee performance simulations & analysis (Gain, Spurious, Linearity, SNR, dynamic range, spectral efficiency, pointing, G/T, EIRPetc.) and tolerance budgeting.

Optimize Payload DC power budget with traffic & utilization models.

Hardware & Firmware Own systemlevel specifications to hardware designers,



review schematics, layouts, thermal & mechanical interfaces.

Oversee MODCODs selection and onboard processing pipelines; define BIST, timing, latency and deterministic behavior.

Cross

Functional Coordination, Stakeholder & Program Interaction Communicate technical status, risk assessments and tradestudy results to senior management and/or customers or partners.

Act as the primary technical liaison with Electrical, Power, Structures, Thermal, Software, Ground Segment and Mission Operations teams to resolve integration issues early.

Support payload design authority in System design reviews and Mission Operations handover.

Support B&P; (Phase 0 & pre-phase A).

Integration & Verification (IVV) Author Payload Verification Master Plan covering unittest, subsystemtest, payloadlevel test, environmental and electromagnetic compatibility (EMC) test campaigns.

Define testautomation framework setup, testcase definition, results analysis and testreport certification.

Technical Leadership & Mentorship Mentor, guide junior engineers and interns.

Act as technical liaison with customers, partners and external vendors Act as Continuous Improvement stakeholder Contribute to our client''s knowledgebase, process enhancements, and standards development.

Configuration, Documentation & Standards Management Ensure all artefacts, analysis, software,



deliverables and documentation are version controlled in PLM environment.

Chair design reviews (SRR, PDR, CDR, MRR/TRRetc.).

Support Technology Road

Mapping & Innovation.

On Orbit & Operations Support Technical support to Mission Operations for routine payload health monitoring, contingency handling and performance trending.

Lead rootcause investigations for onorbit anomalies; update design baselines and lessonslearned.

Analyze onorbit telemetry, update filter parameters, and generate performance reports.

Define SOOH and associated operator training.

Required Qualifications: B.

Sc. in Electrical Engineering, Aerospace or Physics (M.

Sc. preferred) with 12 + years of digital regenerative payload system design experience on LEO/MEO missions.

Comprehensive knowledge of digital regenerative communications, SDR, DSP, DVB RCS/SX protocols, Modulation schemes, Class of Service, Networking, MPLS, 2G, 5G, NTN.

Strong technical writing ability (requirements, ICDs, test procedures, risk reports) and presentation skills; comfortable interfacing with customers, suppliers and senior leadership.

Strong understanding of aerospace system engineering fundamentals.

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

Experience with Confluence and JIRA.

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 Frenchwill be considered an asset (Contact with clients outside Quebec and work on deliverables in English).

📌 Digital Payload Architect for Fastwater Staffing (Montreal)
🏢 HIKINEX
📍 Montreal