Part Time Fluid Dynamicist - Instability Analyst

Combustion Instability/Acoustics Engineer (part time, SME2, duration 3 months)

The position is for a Combustion Instability/Acoustics Engineer.

Specifically, the work involves:

* performing analyses in support of the design and verification of liquid rocket engine and solid rocket motor generated acoustics and combustion instabilities.

* complete the InRoDES Gas Generator combustion instability modeling for injector schemes B and C using ROCCID code. Present stability results, including scheme A models, to the InRoDES project with recommendations of injector down select.

* provide additional modeling as needed to support InRoDES GG testing.

* mentor an early career engineer in support of ROCCID code utilization.

* analyze complex features of the work and apply and practices of acoustics analysis, perform high frequency data processing and signal analysis of acoustic data, or devise new approaches in problem solutions.

* independently plan, schedule and perform computations/ analyses, prepare and make presentations and document results in technical reports, and support test and high frequency data collection activities as needed.

* review all results from assigned tasks and determine if outputs are complete, correct, integrated with project objectives, and adequately documented.

* follow existing processes and procedures and recommend process improvements where appropriate.

Qualifications - External

Typically, educational requirements are the equivalent of a Ph.D., a Masters degree with thesis and with at least 2 years of experience, or a BS with at least 6 years of experience in combustion instability/acoustics analysis required. Applicants nearing completion of their PhD/MS programs are also encouraged to apply . The Degree in Mechanical, Chemical, or Aerospace Engineering or related field from an ABET accredited institution is required.

MS/PhD degree in Engineering or related field from an ABET accredited institution is preferred.

Excellent written and verbal communication skills required.

Some experience with Matlab programming is preferred.

Compensation Details:

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The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

* Health, dental, and vision insurance

* Paid time off and holidays

* Retirement benefits (including 401(k) matching)

* Educational reimbursement

* Parental leave

* Employee stock purchase plan

* Tax-saving options

* Disability and life insurance

* Pet insurance

Note:

Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

02/27/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law.

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