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Atropos Group · 4 months ago

Principal Aircraft Propulsion Engineer

Arlington, VA, Mountain View, CA, San Diego, CA

Full-time

Onsite

Senior Level

$165K/yr - $245K/yr

7+ years exp

Atropos is a pioneering company focused on providing trusted and deployable autonomous airpower for national security. The Principal Aircraft Propulsion Engineer will be responsible for leading the design and integration of propulsion systems, ensuring they meet critical performance and signature requirements while managing supplier interfaces and conducting trade studies.

Defense & Space

No H1B

Security Clearance Required

Responsibilities

Down-select powerplant (turboprop, turbofan, or hybrid-electric) via trade studies on SFC, cost, and signature

Design inlet, nacelle, and exhaust systems meeting thermal & IR signature requirements

Lead engine-to-airframe integration including mounts, vibration isolation, and systems routing

Manage supplier interface through rig testing and first-flight readiness

Develop digital-twin performance deck for mission-level sims

Qualification

Aero EngineeringPropulsion SystemsCycle-analysis proficiencyANSYS CFXFluentMIL-STD-1797 familiarityTeam CollaborationProblem SolvingCommunication Skills

Required

B.S./M.S. in Aero, Mech, or Propulsion; >7 yrs integrating engines on military or certified platforms

Cycle-analysis proficiency (NPSS/Gasturb) and ANSYS CFX or Fluent for inlet/diffuser flow

Familiarity with MIL-STD-1797/516 engine-installation airworthiness

Eligible to obtain and maintain an active U.S. Top Secret security clearance

Preferred

Hybrid-electric or SAF (sustainable aviation fuel) experience

Prior IR signature suppression projects

Benefits

Platinum Healthcare Benefits: Atropos offers comprehensive medical, dental, and vision plans with 100% employer-paid premiums and little to no cost to you

Basic Life/AD&D and long-term disability insurance 100% covered by Atropos, plus the option to purchase additional life insurance for you and your dependents

Unlimited PTO, with minimum of 15 days enforced

20 weeks of paid Caregiver & Wellness Leave to care for a family member, bond with your baby, or tend to your own medical condition

Family Planning & Parenting Support: Fertility (eg, IVF, preservation), adoption, and gestational carrier coverage with additional benefits and resources to provide support from planning to parenting

Mental Health Resources: We provide free mental health resources 24/7 including therapy, life coaching, and more. Additional work-life services, such as free legal and financial support, available to you as well

Tuition and professional development reimbursement for STEM, MBA, and licenses

Daily Lunch catered

Company-funded child care stipend

Company-funded commuter benefits available based on your region.

Relocation assistance (depending on role eligibility).

401(k) retirement savings plan - both a traditional and Roth 401(k). 6% employer matching contribution