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Sr Test Engineer - Software

Sierra Nevada Corporation
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Lone Tree, CO, USA
Sep 20, 2026
Do you have an eye for detail and enjoy working with amazing products and tools? Join us in championing and protecting explorers and heroes! As a Senior Test Engineer, you will be responsible for leading the most complex and critical testing projects within the organization. You will develop sophisticated test plans, mentor junior engineers, and ensure the highest level of product performance and compliance with industry standards.

Our testing approach evolves with the design maturity, extending from initial stages through to post-production follow-ups on subsequent articles.

The role involves extensive system testing, aimed at assessing a broad spectrum of mission equipment such as communication, computing, navigation, and surveillance systems, to ensure they meet design and functionality standards.

Please note, this role does not require any knowledge or skills related to software or automation testing.The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations - with an unrivaled record of on time and on (or under) budget deliveries.

Responsibilities:

  • Lead and manage complex and high-stakes testing projects.
  • Develop and execute sophisticated test plans and procedures for advanced systems.
  • Provide technical leadership and mentorship to junior test engineers.
  • Perform high-level data analysis and generate detailed reports for senior management.
  • Collaborate with cross-functional teams to ensure alignment on test strategies and requirements.
  • Assess, manage, and mitigate test and safety related risks.

Qualifications You Must Have:

  • Bachelor's of Science in Engineering or related field. 
  • 10+ years of experience in test engineering or a related role.
  • Higher level relevant degree may substitute for experience.
  • Expert understanding of test and evaluation principles and methodologies.
  • Thorough understanding of engineering principles and practices.
  • Experience leading multi-disciplinary design and development teams.
  • Advanced Knowledge of requirements management, system design, and systems integration.
  • Demonstrated experience planning, conducting, and documenting Verification and Validation (V&V) activities.
  • Ability to read schematics, use service manuals, follow test procedures, and use logical trouble shooting techniques.
  • Experience developing test automation frameworks
  • Understanding of CI/CD pipelines

Qualifications We Prefer:

  • Previous leadership roles within a testing environment.
  • Direct usage of various testing equipment, standards, and methodologies to include manual and automated testing.
  • Experience authoring complex and professional test plans, test procedures, and test reports in order to demonstrate compliance to system requirements.
  • Familiarity with Product and Quality Assurance principles and experienced in generation and disposition of product non-conformances.
  • Experience performing certification testing for various certification organizations (i.e. FAA, NASA, DoD).
  • Ability to read schematics, use service manuals, follow test procedures, and use logical trouble shooting techniques.
  • Background in the Aerospace and Defense Industry.
  • Experience conducting testing per MIL-STD-810, DO-160, or other similar industry methods and standards.
  • Knowledge of safety risk management, risk mitigations, and industry standards.
  • Experience with the sequence of test events accounts for safety risk management, including identifying potential risks and implementing mitigations, to conduct tests safely and effectively.
  • Instantiation of CI/CD pipelines
  • Automation of reverse traceability documentation
  • Languages: Python, YAML, C#, Typescript

Essential Functions:

  • Ability to work on a computer for extended periods.
  • Ability to lift up to 25 lbs regularly.
  • Occasional travel may be required.
  • Ability to work in an office, lab, hangar, or offsite environment.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

Estimated Starting Salary Range: $124,771.42 - $171,560.71. Compensation varies depending on a wide array of factors, such as candidates' key skills, relevant work experience, and education/training/certifications. The disclosed range estimate may be adjusted for any applicable geographic differential associated with the location at which the position may be filled.

SNC offers annual incentive pay based upon performance that is commensurate with the level of the position.

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

IMPORTANT NOTICE:

This position requires the ability to obtain and maintain a 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. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

Learn more about the background check process for Security Clearances.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team!

SNC is an Equal Opportunity Employer committed to an environment free of discrimination.  Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

Job ID

R0030710

Security Clearance

SECRET
About Sierra Nevada Corporation

At SNC, we take an entrepreneurial approach to meeting our customers’ needs by developing innovative technological solutions in a rapid and agile production environment. For our employees, SNC strives to cultivate professional growth at every career stage. We believe in positive attitudes, sense of urgency, team-play, purpose, fire-in-the-belly passion, work-life balance, collaboration, humility, persistence, discipline and trust as accelerators of productivity and fulfillment.

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