(Fastwater Staffing) Satellite Electrical Power System (EPS) Design Engineer - Montreal, Canada

Role overview:

We are seeking an experienced Electrical Power System Engineer to support the concept, detailed design, analysis, verification and integration of electrical power subsystems (solar arrays, power-conditioning units, batteries, distribution & regulation) for our current and next-generation remote sensing and communications satellites. The role works closely with payload, bus, thermal, structural and mission-systems multidisciplinary teams responsible for delivering high-performance, reliable EPS solutions to commercial, government, and defense customers.

Tasks summary:

Architecture Concept & Requirements

• Define EPS architecture (generation, storage, distribution) that satisfies mission power budget, mass, volume and reliability constraints.

• Perform trade-studies (e.g., solar cell type, battery chemistry, regulator topology).

• Generate system requirements, functional flow block diagrams.

• Develop the Interface Control Documents (ICD) and Design Description.

• Perform requirement management and maintain bidirectional traceability throughout the program life cycle.

Detailed Design & Analysis

• Size solar arrays, power-conditioning units, battery packs, and power distribution units.

• Build and validate high-fidelity electrical models for satellite modes, FMECA, Fault detection…

• Conduct & maintain power budget models, load-flow, thermal-power coupling, and survivability analyses (e.g., eclipse, safe-mode, fault-tolerant).

Cross‑Functional Coordination, Stakeholder & Program Interaction

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

• Interface with spacecraft bus teams (power, thermal, structure, avionics).

• Develop/maintain high-fidelity power models for mission analysis (e.g., orbit raising, station-keeping, de-orbit).

• Develop tools for power efficiency & optimisation for the satellite.

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

Integration & Verification (IVV)

• Author verification plans, test matrices, and validation procedures for unit & EPS subsystem tests.

• Support ground-test & integration campaigns, fueling, thermal vacuum, EMI/EMC, and spacecraft-level integration.

• Analyse test data, close out anomalies, and update design baselines.

• Support FSW integration

Technical Leadership & Mentorship

• Mentor, guide, lead a multidisciplinary team of junior or intermediate system engineers & interns

• Act as technical liaison with customers, partners and external vendors

• Act as Continuous Improvement stakeholder

• Contribute to Client's knowledge‑base, process enhancements, and standards development.

Configuration, Documentation & Standards Management

• Maintain design and safety standards.

• Ensure all artefacts, analysis, software, documentations and deliverables are version controlled in PLM environment.

• Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.).

• Support Technology Road‑Mapping & Innovation

Launch‑Site, On‑Orbit & Operations Support

• Support launch‑site interface checklists with LVI responsible engineer, pre‑launch checkout procedures, and early‑orbit checkout scripts.

• Provide real‑time engineering support during launch, on‑orbit commissioning, anomaly investigations and contingency operations.

• Support SOOH development and associated operator trainings.

Required Qualifications:

• B.Sc. in Electrical Engineering, Aerospace or Physics with 8 + years of EPS system design experience on LEO/MEO platforms.

• Deep knowledge of spacecraft bus subsystems and their interactions.

• Experience with power‑electronics design and power management hardware.

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