Satellite Bus Flight Software Systems Engineer | Remote Opportunity | Fastwater Staffing

Responsibilities

• Translate functional, performance, safety, and security requirements into flight software requirements and architecture.
• Allocate requirements to software modules and execution threads while maintaining bidirectional requirements traceability.
• Support Satellite Reference Database development and validation.
• Collaborate with payload, platform, ground-segment, and mission-operations teams to identify and resolve integration issues.
• Develop and support Flight Software Verification Plans and integration testing.

Support

• Support verification and test automation frameworks, test case development, results analysis, and test-report certification.
• Support spacecraft mode and operational procedure development.
• Analyze on-orbit telemetry and support software updates and operational improvements.
• Support SOOH development and operator training.

Requirements

• 10+ years

of experience working with

• Ability to work independently with minimal supervision.
• Strong analytical and problem-solving skills, with the ability to break down complex technical challenges into fundamental components.

Excellent written and verbal communication skills in

• Experience integrating flight software with spacecraft payloads, avionics, and ground systems.
• French language proficiency.

Preferred

• Experience with end-to-end spacecraft flight software development and integration.

Location

Montreal, Quebec, Canada

Employment Type

Contract-to-Permanent (Preferred) / Contract

Work Arrangement

Remote Opportunity for US and Canadian citizens. Relocation assistance + bonus for European and UK candidates.

Start Date

Immediate

Compensation

• TBD -- based on skills and experience
• Important Screening Requirements
• Must be legally eligible to work in

Canada

• Must be capable of obtaining the required security clearance
• English proficiency is required. French is considered an asset.
• Candidates must have strong experience with fault-tolerant embedded systems supporting LEO, MEO, and/or GEO spacecraft missions.

About the Role

We are seeking an experienced

Satellite Bus Flight Software Systems Engineer to lead and support the system-level definition, architecture, integration, verification, and operational readiness of flight software for current and next-generation spacecraft platforms.

This is a systems engineering and technical leadership role at the intersection of spacecraft architecture, platform subsystems, embedded flight software, avionics, mission operations, and verification. You will ensure that spacecraft bus flight software meets platform and payload functional, performance, autonomy, safety, reliability, and operational requirements throughout the full spacecraft lifecycle—from early architecture and detailed design through integration, launch preparation, commissioning, and on-orbit operations.

RTOS

• Initialization
• PUS services
• Autonomy
• Health monitoring
• Fault management
• Payload interfaces

Define

• FDIR algorithms, isolation logic, recovery actions, safe-mode sequencing, and redundancy management.
• Guide the integration of FDIR logic into flight software.

Develop and maintain

• Interface Control Documents (ICDs) for payload, platform, and ground-segment interfaces.
• SIL, HIL, fault-injection, performance, and security testing
• Participate in major design reviews, including

SRR, PDR, CDR, MRR/TRR

• Mentor junior engineers and serve as a technical liaison with customers, partners, and vendors.
• Contribute to engineering standards, process improvements, technology roadmaps, and lessons learned.

Required Qualifications

Bachelor's degree in

• Electrical Engineering, Aerospace Engineering, Computer Science, Embedded Systems, or a related field.
• fault-tolerant embedded systems on
• LEO, MEO, and/or GEO satellite missions

ECSS

• PUS services
• MIL-STD-1553
• SpaceWire
• RS-422/485

CAN

Ethernet

Experience with

real-time computing cores and/or embedded Linux

Experience with

• auto-coding or automated code-generation workflows.
• Strong understanding of aerospace systems engineering fundamentals.
• Hands-on experience supporting systems integration, testing, troubleshooting, and problem resolution

Experience with

Confluence and

Experience with

• FDIR, spacecraft autonomy, safe-mode management, and redundancy management
• Experience supporting spacecraft commissioning and on-orbit operations

SIL/HIL

• , fault injection, and automated verification frameworks.
• Experience supporting satellite programs from early concept and architecture through launch and on-orbit operations.