Senior Spaceflight Systems Integration Engineer

Sierra Space Corporation; Louisville (KY); On-site; USD 144,000 - 198,000; Full time

Benefits offered by this job

Medical plan

Dental plan

Vision plan

401(k) match

Life insurance

Paid time off

Job summary

Sierra Space Corporation seeks a seasoned software architect to ensure seamless flight software integration with avionics, ground support, and real hardware. You will lead cross-disciplinary teams, drive software architecture decisions, and coordinate validation campaigns for spaceflight readiness.

The role requires experience across RTOS, embedded Linux, and MBSE tools, with a focus on robust interfaces, test automation, and end-to-end verification. A current security clearance is required.

Qualifications

• Bachelor's degree in a related field or equivalent experience.
• Typically 5+ years of related experience or Masters +3 years.
• Experience with systems engineering lifecycle and requirement derivation.
• Knowledge of systems architecture, integration, and V&V principles.
• Active Secret U.S. Security Clearance is required.

Responsibilities

• Drive proactive software architecture decisions across the program.
• Lead engineering team focused on cohesive software design.
• Advise SV Lead and Chief Engineer on system-level impacts and risks related to software.
• Responsible for software interface management.
• Support the FlatSat / HITL environments used to test flight software on real and simulated hardware.
• Interface validation of driver-to-hardware communication and telemetry ingestion.
• Build and release management for software builds onto engineering models and flight computers.
• DITL testing to simulate nominal and orbital transitions.
• FDIR validation to verify autonomous fault handling.
• Lead software test definition and planning.
• Provide first-level support to AI&T for defects.
• Design mechanical systems and aircraft structures from concept through production and flight test.
• Support integration, manufacturing, ground test, and flight operations.
• Continuously improve engineering workflows and digital engineering capabilities.

Skills

Python/Ruby scripting

C/C++ flight software

RTOS / embedded Linux

Hardware protocols

Git CI/CD

Flight software frameworks

Education

Bachelor's degree or equivalent

Master's degree (preferred)

Tools

NASA cFS

F Prime (F')

COSMOS

OpenMCT

DOORS

Job description

Sierra Space Corporation seeks a seasoned software architect to ensure seamless flight software integration with avionics, ground support, and real hardware. You will lead cross-disciplinary teams, drive software architecture decisions, and coordinate validation campaigns for spaceflight readiness.

The role requires experience across RTOS, embedded Linux, and MBSE tools, with a focus on robust interfaces, test automation, and end-to-end verification. A current security clearance is required.