Principal/Sr. Principal Mechanical Engineer
Quick Summary
Create, prototype, design, and analyze structures and mechanisms for moving mechanical assemblies such as solar arrays, booms, and other support structures and mechanisms for satellite subsystems.
Northrop Grumman Mission Enabling Products (MEP) Business Unit designs, builds, and delivers space, defense and aviation-related systems to customers around the world. Our main products include satellites and associated space components and services, launch vehicles and related propulsion systems, missile products, subsystems and defense electronics, precision weapons, armament systems, and advanced aerospace structures.
Learn more about Mission Enabling Products at our website: Mission Enabling Products | Northrop Grumman
As a Principal/Sr. Principal Mechanical Engineer in Goleta, CA you will be responsible for creating and implementing deployable structures and mechanical mechanisms at the cutting edge of space technology. You will have ownership of your work from the concept creation through the design and analysis phases and may also participate in the manufacturing, testing, and integration of the systems.
Responsibilities
~2 min read- →Create, prototype, design, and analyze structures and mechanisms for moving mechanical assemblies such as solar arrays, booms, and other support structures and mechanisms for satellite subsystems.
- →Develop and refine components and subsystems utilizing design skills, hand calculations, and finite element analysis or other modeling tools as needed.
- →Perform detailed 3D designs, generate CAD drawings and related documents, and support manufacturing and assembly of components.
- →Document test plans and procedures requirements.
- →Participate and present in internal and external (customer) design reviews.
- →Strive for the highest possible structural performance that is also cost effective and assures complete reliability.
- →Manage and track multiple priorities while maintaining a focus towards common project goals of the program team, matrix organization, and customers.
- →Clearly report design status, progress and escalations at regular program meetings
- →Generate and maintain part and assembly drawings, source‑control drawings, interface‑control drawings, and installation drawings.
- →Support program milestone reviews (SRR, PDR, CDR, IDR, etc.) and gate or lien closures
- →Provide I&T sustaining support.
- →Strong communication skills, oral and written.
- →Ability to work independently as well as in a team environment.
- →Ability to multitask and organize/prioritize job assignments in a fast-paced and gated-release engineering development environment.
This position can be filled as either a Principal Mechanical Engineer or Sr. Principal Mechanical Engineer level based on the qualifications listed below:
Requirements
~3 min read- Bachelor’s degree in a STEM discipline with 8+ years of engineering experience OR Master’s degree in a STEM discipline with 6+ years of relevant engineering experience OR Ph.D. in a STEM discipline with 4+ year of relevant engineering experience
- Prior work experience in aerospace subsystem design or mechanical‑design integration
- Proficiency with a CAD system (Siemens NX, CATIA V5, Creo, or 3DX)
- Bachelor’s degree in a STEM discipline with 8+ years of engineering experience OR Master’s degree in a STEM discipline with 6+ years of relevant engineering experience OR Ph.D. in a STEM discipline with 4+ year of relevant engineering experience
- Prior work experience in aerospace subsystem design or mechanical‑design integration
- Proficiency with a CAD system (Siemens NX, CATIA V5, Creo, or 3DX)
- Experience in spacecraft photovoltaic design
- Prior work experience in aerospace subsystem design or mechanical‑design integration
- mechanical design and closed-form analysis with some understanding of finite element analysis software (ANSYS)
- Practical understanding of GD&T (ASME Y14.5-2009)
- Detailed mechanical design knowledge of structures, mechanisms, release and drive actuators, and material selection.
- Spacecraft/aerospace materials experience in metals, adhesives, thermoplastics, etc.
- Working knowledge of applicable manufacturing processes such as machining, finishing, and rapid prototyping.
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Location & Eligibility
About this job
- Posted
- 3 days ago
Listing Details
- Posted
- October 12, 2026
- First seen
- October 13, 2026
- Last seen
- October 15, 2026
Posting Health
- Days active
- 1
- Repost count
- 0
- Trust Level
- 51%
- Scored at
- October 15, 2026
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