Satellite Electrical Power System (EPS) Design Engineer | Remote Opportunity | Fastwater Staffing

Responsibilities

• to support the concept, detailed design, analysis, verification, and integration of electrical power subsystems for current and next-generation
• The successful candidate will contribute to the development of reliable, high-performance EPS solutions throughout the spacecraft lifecycle, from early architecture and trade studies through integration, launch, and on-orbit operations.
• Strong candidates will combine deep power electronics and spacecraft EPS expertise with hands-on systems integration, analytical problem-solving, and the ability to work effectively across multidisciplinary engineering teams.
• Architecture & Requirements
• Define EPS architectures covering
• power generation, energy storage, and distribution
• while meeting mission power, mass, volume, and reliability requirements.
• Solar cell technologies

Regulator topologies

• Develop system requirements and functional flow block diagrams.
• Manage requirements and maintain bidirectional traceability throughout the program lifecycle.
• Detailed Design & Analysis
• Solar arrays
• Power-conditioning units
• Battery packs
• Perform
• FMECA and fault-detection analysis
• Develop and maintain power budget models.
• Structures
• Avionics
• Develop and maintain high-fidelity power models for mission analysis, including:
• Orbit raising
• Station keeping
• De-orbit
• Develop tools supporting power efficiency and optimization.
• Support

Phase 0 and pre-Phase A

• activities.
• Collaborate with multidisciplinary engineering teams throughout the spacecraft lifecycle.
• Integration & Verification

Author

• for unit and EPS subsystem testing.
• Support ground-test and integration campaigns.
• Fueling activities
• EMI/EMC testing

Spacecraft-level integration

• Analyze test data and support anomaly resolution.
• Close out anomalies and update design baselines.
• Support flight software integration.
• Serve as a technical liaison with customers, partners, and external vendors.
• Contribute to continuous improvement initiatives.
• Contribute to engineering knowledge bases, processes, and standards development.

Configuration, Documentation & Standards

• Maintain EPS design and safety standards.
• Ensure engineering analyses, software, documentation, and deliverables are properly version controlled within the PLM environment.

Launch, On-Orbit & Operations Support

• Support launch-site interface checklists with the responsible launch vehicle interface engineer.
• Support pre-launch checkout procedures.
• Launch
• Anomaly investigations

Requirements

• Experience with power electronics design and power management hardware.
• Strong understanding of aerospace systems engineering fundamentals.
• Ability to work efficiently with limited supervision.
• Ability to break down complex technical problems and develop practical solutions.

Preferred

• Experience designing EPS architectures for
• remote sensing or communications satellites
• Experience with solar array, battery, power-conditioning, and power-distribution systems.

Location

Sainte-Anne-de-Bellevue, QC, Canada

Employment Type

Full-Time

Work Arrangement

Remote available for U.S. and Canadian Citizens

Compensation

• TBD — based on skills and experience
• Remote & Relocation Opportunities

U.S. and Canadian Citizens

Remote work arrangement available.

UK and European Candidates

• Relocation assistance/allowance and a relocation bonus are available for qualified candidates willing to relocate to Canada.
• Candidates should be prepared to support collaboration across multidisciplinary spacecraft engineering teams.
• Important Screening Requirements

Bachelor’s degree in

• Electrical Engineering, Aerospace Engineering, Physics, or a related field
• 8+ years of Electrical Power System (EPS) design experience on LEO/MEO satellite platforms.
• Deep knowledge of spacecraft bus subsystems and their interactions

Experience with

power electronics design and power management hardware

• Strong understanding of aerospace systems engineering fundamentals.
• Hands-on experience supporting systems integration, testing, and troubleshooting

Experience with

Confluence and JIRA

• Ability to work effectively with limited supervision.
• Strong analytical and problem-solving skills.
• Excellent written and oral communication skills in English.
• French is an asset.

About the Role

We are seeking an experienced

Satellite Electrical Power System (EPS) Design Engineer remote sensing and communications satellites

The role focuses on the design and development of solar arrays, power-conditioning units, batteries, power distribution, and regulation systems, while working closely with multidisciplinary teams across payload, spacecraft bus, thermal, structural, avionics, and mission systems.

We’re looking for a

senior spacecraft electrical power systems engineer with strong experience designing and integrating EPS architectures for satellite platforms.

The ideal candidate can work across the full EPS lifecycle, from power architecture and trade studies through detailed design, modeling, verification, spacecraft integration, launch, and on-orbit support

Perform architecture and technology trade studies involving

Battery chemistries

Develop and maintain

Interface Control Documents (ICDs) and design descriptions.

Size and evaluate

Power distribution units

• Build and validate high-fidelity electrical models for spacecraft operating modes.
• Perform load-flow and thermal-power coupling analyses.

Conduct survivability analyses for

• Eclipse operations
• Safe mode

Fault-tolerant operation

Analyze EPS performance across different spacecraft mission phases and operating conditions.

Cross-Functional Coordination

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

Interface with spacecraft bus teams across

• Power
• Thermal
• Verification Plans, Test Matrices, and Validation Procedures

Support

Thermal-vacuum testing

Technical Leadership & Mentorship

• Mentor and guide junior and intermediate systems engineers and interns.
• Lead or support multidisciplinary engineering activities.

MRR/TRR

• Support technology road-mapping and innovation activities.
• Support early-orbit checkout scripts.

Provide real-time EPS engineering support during

• On-orbit commissioning
• Contingency operations

Support

Satellite Operations Handbook (SOOH) development and associated operator training.

Required Qualifications

Bachelor’s degree in

• Electrical Engineering, Aerospace Engineering, Physics, or a related field
• 8+ years of EPS system design experience on LEO/MEO satellite platforms.
• Deep knowledge of spacecraft bus subsystems and their interactions.

Hands-on experience supporting systems integration and testing

Strong troubleshooting and problem-solving capabilities.

Experience with

Confluence and JIRA

Excellent written and oral communication skills in English.

Experience with

high-fidelity spacecraft power modeling

• Experience with FMECA, fault detection, survivability analysis, and reliability engineering.
• Experience supporting thermal-vacuum, EMI/EMC, and spacecraft-level integration testing
• Experience with mission-phase power analysis, including orbit raising, station keeping, eclipse, safe mode, and de-orbit.
• Experience developing tools for power efficiency and optimization.

Experience supporting spacecraft launch-site and on-orbit operations

• Experience with spacecraft design reviews and lifecycle processes.
• French language skills are an asset.