Live · read from company career sites daily at 06:00 UTC

Sr Mechanical Engineer - Propulsion Verified today

Sierra Space · 2 Locations · Propulsion · first seen 2026-07-16

About the Role

This Sr Mechanical Engineer position focuses on electric propulsion systems, requiring three primary qualifications: expertise in electric propulsion, an active TS/SCI security clearance, and vendor management skills.

You will lead design and analysis efforts for complex propulsion systems, potentially serving as a Responsible Engineer. Your responsibilities include:

  • Manage system and component design, development, and integration across trade studies, layouts, architecture definition, testing, verification, and troubleshooting
  • Analyze and interpret test and simulation data to inform design decisions and identify improvements
  • Develop solutions to complex technical problems requiring ingenuity and creativity
  • Prepare detailed technical documentation and reports to communicate findings and support project objectives
  • Serve as prime technical contact on contracts and projects, working with considerable latitude in determining technical objectives
  • Mentor junior engineers on technical and professional development
  • Collaborate with cross-functional teams to develop system designs meeting performance and safety requirements

Experience with chemical propulsion systems is also valued alongside electric propulsion expertise.

About You

Minimum qualifications:

  • Bachelor's degree in a related field (or equivalent work experience, or Master's plus 6+ years experience)
  • Typically 8+ years of related mechanical engineering experience
  • Demonstrated expertise in mechanical engineering technical standards, principles, theories, concepts, and techniques
  • Ability to provide solutions to complex technical problems requiring ingenuity and creativity
  • Ability to work effectively with considerable latitude in determining technical objectives and solutions
  • Active Top Secret U.S. Security Clearance required

Preferred qualifications:

  • Advanced degree in Mechanical Engineering, Aerospace Engineering, or related field
  • Extensive experience with design, analysis, integration, and test methods related to mechanical, propulsion, structures, fluids, and environmental systems at subsystem and component level
  • Proficiency with engineering software tools: NX, SolidWorks, ANSYS, or similar, including advanced GD&T and detail drawing standards
  • Demonstrated ability to manage multiple high-stakes projects simultaneously and meet challenging deadlines
  • Strong problem-solving skills and attention to detail with proven innovative solutions in mechanical engineering
  • Superior communication and presentation skills for conveying complex concepts to diverse audiences
  • Ability to work independently and within teams with strong leadership and collaboration skills
  • Advanced knowledge of manufacturing processes, material sciences, and their impact on mechanical systems
  • Experience with end-item or vehicle-level testing and validation, including complex test plan design and execution

Compensation

Pay range: $137,386.00 to $188,926.75. Actual base compensation determined on a case-by-case basis based on job-related knowledge, skills, education, experience, internal equity, and market competitiveness.

Requirements

This position requires current, active Top Secret U.S. Security Clearance. U.S. Citizenship is required, as non-U.S. Citizens may not be eligible to obtain a security clearance.

Benefits

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

Sr Mechanical Engineer Propulsion at Sierra Space | Flight Proven Space