Spacecraft Functional Test Engineer II

Firefly Aerospace

Spacecraft Functional Test Engineer II at Firefly Aerospace developing and executing test procedures for spacecraft readiness. Collaborating with engineers to ensure high-performance and mission verification.

Posted 6/19/2026full-timeCedar Park • Texas • 🇺🇸 United StatesJuniorMid-LevelWebsite

Tech Stack

Tools & technologies

GrafanaPython

About the role

Key responsibilities & impact

Develop and execute spacecraft functional and system-level test procedures to verify vehicle performance and mission readiness.
Design and maintain automated test scripts, configurations, and architectures to support efficient test execution across multiple programs.
Collaborate with subsystem responsible engineers and chief engineers to define test requirements and ensure traceability to verification objectives.
Support Hardware-in-the-Loop (HWIL) testbed development and maintenance, including defining configurations and integrating hardware/software interfaces.
Monitor and troubleshoot test results, identifying issues and driving root cause resolution across subsystems.
Plan and support test operations in cleanroom, environmental, and launch site environments.
Contribute to data management, telemetry visualization, and results analysis to ensure comprehensive verification and documentation.
Participate in continuous improvement efforts to streamline test processes, increase automation, and enhance test reliability.
Support the development of tools, dashboards, and analytics for test performance tracking and data-driven decision making.

Requirements

What you’ll need

Bachelors degree in Electrical, Mechanical, Aerospace, Computer Engineering, or related field
2+ years of experience in spacecraft, aerospace, or complex electromechanical system test environments
Hands-on experience developing or executing functional or system-level test procedures
Familiarity with test automation frameworks and scripting languages (e.g., Python, C++, or similar)
Working knowledge of hardware/software interfaces, data acquisition, and telemetry systems
Strong analytical and troubleshooting skills with the ability to work across multiple engineering disciplines
Ability to work effectively in a fast-paced, collaborative environment supporting multiple spacecraft programs.
Desired Experience with spacecraft-level testing, including power-on, system checkout, and mission simulation campaigns.
Familiarity with Hardware-in-the-Loop (HWIL) systems, EGSE design, or simulation environments.
Experience supporting transition from prototype to production-style test operations.
Background in test data visualization or analytics (e.g., Power BI, Grafana, or custom dashboards).
Knowledge of software development practices, including version control, code review, and basic code readability.
Familiarity with continuous improvement and process optimization principles applied to test operations.
Experience with environmental test coordination, launch campaign support, or post-environmental functional testing.

Benefits

Comp & perks

generous health, dental and vision plans with low plan deductibles
parental leave
educational reimbursement
short term disability
flexible PTO options

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

test procedurestest automation frameworksscripting languagesPythonC++hardware/software interfacesdata acquisitiontelemetry systemstest data visualizationenvironmental testing

Soft Skills

analytical skillstroubleshooting skillscollaborative environmentcommunication skillsproblem-solvingcontinuous improvementprocess optimizationadaptabilityattention to detailtime management