Principal Test Engineer – Clearance Required

Sierra Space

. Lead and execute advanced and complex test plans, procedures, and reports to demonstrate compliance with system requirements .

Posted 10/6/2026full-timeLouisville • Colorado • United StatesLead💰 $160,951 - $221,328 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates advanced knowledge of test engineering principles and practices, including the design and implementation of test strategies and frameworks. Proficient in programming for test script development and skilled in troubleshooting complex testing problems to ensure system integrity.

Highest-signal resume keywords

Test Engineering PrinciplesTest Strategy DesignAutomated Testing ToolsProgramming Skills for Test ScriptsTroubleshooting Complex Testing Problems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Test EngineeringTest Strategy DevelopmentAutomated TestingProgrammingTroubleshootingData AnalysisTechnical ReportingSystem ValidationContinuous ImprovementTesting Methodologies

Soft Skills

Analytical SkillsMentoringCommunication

Tools & Technologies

Testing EquipmentTesting StandardsTesting Methodologies

Certifications & Qualifications

Top Secret U.S. Security Clearance

Industry Keywords

Aerospace SystemsSystem IntegrityPerformance TestingCross-Functional Team Leadership

About the role

Key responsibilities & impact

Lead and execute advanced and complex test plans, procedures, and reports to demonstrate compliance with system requirements
Design and implement test strategies and frameworks using analytical skills and automated testing tools
Develop and use programming skills for test script development
Apply advanced technical principles, theories, and concepts in Test Engineering
Advance testing capabilities and efficiencies across the enterprise through continuous improvement initiatives
Utilize and refine testing equipment, standards, and methodologies to validate aerospace systems and components
Lead cross-functional teams in continuous improvement efforts
Troubleshoot complex testing problems to ensure system integrity and performance
Mentor other engineers and support their technical and professional development
Prepare detailed technical data, reports, and analyses for engineering initiatives and project decisions
Communicate complex technical concepts to team members, senior engineers, and stakeholders

Requirements

What you’ll need

Bachelor's degree in a related field, or equivalent work experience in lieu of degree, or Master's degree plus 10 years of experience
Typically 12+ years of related experience
Active Top Secret U.S. Security Clearance required
U.S. Citizenship required
Advanced knowledge of test engineering principles and practices, including dynamics, thermal, measurement, HSI, software testing, and integration
Expertise in designing test strategies and frameworks
Strong analytical skills
Knowledge of automated testing tools
Programming skills for test script development
Experience applying advanced technical principles, theories, and concepts in Test Engineering
Proficiency in testing equipment, standards, and methodologies
Strong troubleshooting skills for complex testing problems

Benefits

Comp & perks

Medical, dental, and vision plans
401(k) with 150% match up to 6%
Life insurance
3 weeks paid time off
Personal and professional development opportunities
Reasonable accommodations for applicants with disabilities