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Test Engineer III Verified today

Sierra Space · Louisville, CO · Production · first seen 2026-07-24

About the Role

As a Test Engineer III at Sierra Space, you will leverage extensive experience in test engineering to lead and contribute to advanced testing and validation of aerospace systems and components. You will work independently to develop approaches to technical problems and provide guidance to less experienced engineers. You will play a critical role in requirements management, system design, and Verification and Validation (V&V) activities.

Key Responsibilities

  • Lead and execute complex test plans, test procedures, and test reports to demonstrate compliance with system requirements
  • Apply expertise in test engineering areas such as dynamics, thermal, measurement, HSI, software testing, and integration to solve broad technical problems
  • Work in multi-disciplinary design and development teams, providing guidance to less experienced engineers while independently determining testing solutions
  • Represent Test Engineering in requirements management, system design, and systems integration to ensure effective system performance and validation
  • Plan, conduct, and document Verification and Validation (V&V) activities
  • Handle generation and disposition of test-related product non-conformances while adhering to quality assurance principles
  • Read and interpret schematics, use service manuals, follow test procedures, and apply troubleshooting techniques to resolve complex testing issues
  • Utilize various testing equipment, standards, and methodologies to support validation efforts
  • Prepare and document detailed technical data, reports, and analyses to support engineering initiatives and project decision-making
  • Communicate technical concepts clearly to team members, senior engineers, and stakeholders

Minimum Qualifications

  • Bachelor's degree in a related field (or equivalent work experience in lieu of degree, or Master's degree plus 3 years experience)
  • 5 or more years of related experience
  • Ability to obtain and maintain a Top Secret U.S. Security Clearance
  • General expertise in one area of test engineering principles and practices (dynamics, thermal, measurement, HSI, software testing, integration, etc.)
  • Ability to effectively work in multi-disciplinary design and development teams
  • Experience with requirements management, system design, and systems integration
  • Experience planning, conducting, and documenting Verification and Validation (V&V) activities
  • Ability to read and interpret schematics, use service manuals, follow test procedures, and use logical troubleshooting techniques
  • General expertise with various testing equipment, standards, and methodologies

Preferred Qualifications

  • Proficiency with advanced engineering software tools such as LabVIEW, MATLAB, or TestStand for testing and validation
  • Experience with environmental testing equipment such as thermal chambers, vibration tables, and data acquisition systems
  • Strong organizational skills with the ability to manage multiple tasks and priorities effectively
  • Demonstrated ability to rapidly learn and apply new concepts and methodologies in test engineering
  • Commitment to continuous learning and professional development in aerospace engineering
  • Strong leadership and collaboration skills to work effectively within cross-functional teams
  • Excellent communication skills to convey complex technical information to diverse audiences
  • Proven problem-solving skills and the ability to develop and implement innovative solutions to technical challenges
  • Experience in representing the organization to external stakeholders, such as suppliers, partners, and industry bodies

Compensation

Pay Range: $112,694.00 to $154,975.25

Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education, experience, internal equity and market competitiveness.

Clearance Requirement

This position requires the ability to obtain and maintain a Top Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance.

Benefits

Sierra Space offers a generous benefit package including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, and 3 weeks paid time off.

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