Sr Engineer (Fracture And Fatigue)

Sierra Nevada Corporation Louisville , CO 80028

Posted 1 week ago

We are seeking a Systems Engineer with a Bachelor's degree in Systems Engineering or a related Engineering field and at least 6 years of relevant experience. In this challenging, fast-paced environment, you'll have the opportunity to apply your knowledge and experience to design and create the most groundbreaking aerospace and defense technologies - those that exist today and those that will shape tomorrow.

What to look forward to:

As a Systems Engineer at SNC, you will be using your skills and expertise to research, architect, model, simulate, test, certify and support cutting edge products & services. These cover a very wide range: from state of the art mission payloads and electronic systems through highly integrated aircrafts, to orbital and space exploration systems. You'll be responsible for developing complex system architectures within contextual modeling platforms, ushering them from operational concept through preliminary & detailed design, simulation and test using industry leading tools. As a cross functional engineer, you are responsible for system level ownership of new products and processes through the product lifecycle.

At SNC's Space Systems Group (SSG) we are not only the creator of the Dream Chaser spacecraft, but also the designer and manufacturer of rocket engines and components, systems that sustain life in deep space, as well as systems and satellites that improve life here on Earth. The work of our Space Systems team not only supports the U.S. government (including NASA), but also commercial customers and international organizations. Learn more about SSG

In this role, you will primarily be responsible for performing providing technical guidance for fracture, fracture mechanics, and fracture control processes through the design, test, and validation efforts of the Dream Chaser Program.


  • Serve as the program's technical expert providing engineering recommendations for resolution of any fracture related problems or issues.

  • Independently understand, plan and execute technical activities related to fracture control including classification approvals, analysis support and design support for the Dream Chaser program hardware.

  • Evaluate compliance of flight hardware against established fracture control requirements by providing design oversight and engineering support as required.

  • Support the Fracture Control Technical Panel and Sustaining Operations as well as participate in other technical reviews for the program

  • Familiarity with both frequency domain and time domain loads development

  • Support and review failure analysis and damage tolerance, i.e. Durability and Damage Tolerance (DADT) and fatigue / fracture loading spectrum generations

  • Originate specifications, control documents, verification and validation plans, procedures, reports, or other documentation in support of design and development activities as related to both fracture control and materials handling/processing.


  • Familiarity with progressive failure analysis and damage tolerance, i.e. Durability and Damage Tolerance (DADT)

  • Experience working with space programs as a Fracture Control Engineer or Analyst including the application of in-depth knowledge of fracture control as it relates to implementation of fracture control requirements on spaceflight hardware.

  • Understanding of loads spectra development and cycle counting methods as it relates to damage tolerance testing/analyses.

  • Experience with Finite Element Analysis, Femap preferred

  • Experience with NASGRO suite of fracture and fatigue analysis tools

  • Understanding of NASA and Industry fracture and fracture control processes and standards such as working with SSP30558 or NASA-STD-5019 requirements

  • Familiarity with NASA and/or FAA structural analysis standards

  • Experience with the ASTM material testing standard and how it relates to fracture analysis and evaluation.

  • Advanced degree or additional formal training related to fracture analysis and evaluation preferred.

  • Demonstrable experience using project management techniques or leading technical projects.

  • Cycle count load time histories from all phases including Pre-launch (transport, test, assembly & integration), Ascent, On-orbit and Entry-Descent-Landing (EDL)

  • Experience in cycle count loading spectra's in time histories or frequency domain on control surfaces on aircrafts or reusable spacecraft.

  • Review, mentor others, and approve all subsystem fatigue/fracture reports

  • System level fatigue/fracture analysis: Tools, process, methods, and mentoring

  • Compile fracture analysis into Fracture Control Summary Report

  • Execute engineering design and development activities consistent with Customer quality, cost, and schedule requirements

  • Follow SNC policies, procedures and work instructions for all technical activities

  • Punctuality to work each day and prepared to work scheduled work hours

  • Other duties as assigned


  • Bachelor's degree in System Engineering or related Engineering discipline and typically 6 or more years of relevant experience

  • Demonstrated knowledge of engineering principles and practices

  • Experience working in multi-disciplinary design & development teams


  • Experience with requirements management and system modelling tools, such as DOORS, Rhapsody, NoMagic, MATLAB

  • Knowledgeable of industry standard mechanical design principles, to include, but not limited to requirements management, Model Based System Engineering (MBSE), verification and validation (V&V)

  • Experienced or certified in INCOSE standards

  • Prior experience in the Aerospace and Defense Industry

  • Previous experience leading baseline definition and maturation in a complex development setting, including the use of high impact trade studies and other measures

  • Establishing and tracking key Technical Performance Measurements (TPM)

  • The ability to obtain and maintain a Security Clearance may be required Learn more about the background check process for Security Clearances


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-US 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 US, foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

At Sierra Nevada Corporation (SNC) we deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. SNC has been honored as one of the most innovative U.S. companies in space, a Tier One Superior Supplier for the U.S. Air Force, and as one of America's fastest-growing companies. Learn more about SNC

Sierra Nevada Corporation is an Equal Opportunity Employer

  • Minority / Female / Disability / Veteran, or any other protected status

pursuant to applicable local, state or federal law, ordinance or regulation.

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Sr Engineer (Fracture And Fatigue)

Sierra Nevada Corporation