Find your dream job NOW!

Click on Location links to filter by Job Title & Location.
Click on Company links to filter by Company & Location.
For exact match, enclose search terms in "double quotes".

Keywords: Part-Time Mechanical Engineer - Principal Level, Location: USA

Page: 3

Sr. Principal Engineer Mechanical (Thermal & Cooling)

are not only part of history, they're making history. Northrop Grumman Mission Systems is seeking a Mechanical Engineer in Beavercreek... Basic Qualifications for Sr. Principal Mechanical Engineer: Bachelor of Science (BS) degree in science, technology...

Company: Northrop Grumman
Location: USA
Posted Date: 29 Oct 2025
Salary: $124900 - 187300 per year

Principal/ Sr. Principal Engineer Mechanical

below. Basic Qualifications for Principal Mechanical Engineer: - Bachelor of Science degree in Mechanical or Aerospace... to start. Basic Qualifications for Sr. Principal Mechanical Engineer: - Bachelor of Science degree in Mechanical...

Posted Date: 28 Oct 2025
Salary: $95800 - 143600 per year

Sr. Principal Mechanical Engineer – Hardware Lead

Department within Raytheon Hardware Engineering provides Mechanical Engineering support to develop solutions for products... across the Raytheon portfolio. Our core mechanical engineering responsibilities include requirements/conceptual development...

Location: Tucson, AZ
Posted Date: 24 Jan 2026

Principal Mechanical Engineer – Hardware Lead

Department within Raytheon Hardware Engineering provides Mechanical Engineering support to develop solutions for products... across the Raytheon portfolio. Our core mechanical engineering responsibilities include requirements/conceptual development...

Location: Tucson, AZ
Posted Date: 24 Jan 2026

Mechanical Engineer, Principal (Temporary)

SRC, Inc.is currently seeking a temporary Principal Mechanical Engineerto join our forward-thinking team. As a pivotal... Y14.5) Senior Level Professional Certification Certified SOLIDWORKS Associate (CWSA) - Mechanical Design Direct...

Company: SRC Inc.
Location: Syracuse, NY
Posted Date: 17 Jan 2026

Senior Principal RF Mechanical Engineer – Radome Technical Specialist (Onsite)

Effector RF Design Team at Raytheon is seeking a talented and experienced Senior Principal Engineer to join our innovative... involving radome components. Oversee radome-level design and testing processes, including design reviews, validation...

Location: Tucson, AZ
Posted Date: 17 Jan 2026

Sr Principal Mechanical Engineer

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time... are not only part of history, they're making history. Northrop Grumman – Medium Caliber Ammunition (MCA) Co‑Production Team...

Company: Northrop Grumman
Location: Plymouth, MN
Posted Date: 23 Jan 2026
Salary: $123400 - 185000 per year

Principal Engineer Mechanical

for a Mechanical Engineer to support our Armament Systems Business Unit located in Mesa, AZ. Armament Systems is a leading supplier... cannons produced at its Mesa, Arizona facility. Responsibilities of this role: The Mechanical Design Engineer...

Company: Northrop Grumman
Location: Arizona
Posted Date: 23 Jan 2026
Salary: $89400 - 134200 per year

Principal Mechanical Engineer, Controls and Actuation

Actuation System (PCAS) department is seeking a mechanical engineer to lead the development, build, and verification of control... and development Experience with dSPACE Real-time test systems Proven ability to deconstruct higher level tasks into discrete lower...

Location: Tucson, AZ
Posted Date: 23 Jan 2026

Principal Mechanical Engineer, Harness & Interconnect

Actuation System department is seeking a mechanical design engineer to join the Harness and Interconnect organization to support... skills with a prominent commercial software package​ Experience with Pro/Engineer/CREO 3D modeling and mechanical drawing...

Location: Tucson, AZ
Posted Date: 22 Jan 2026

Principal Electro-Mechanical Engineer

-Mechanical Engineer to develop leading-edge miniaturized 3DHI sensors and systems to enable future generation technologies... across Raytheon. The successful candidate will be a highly motivated “self-starter” who will apply strong mechanical and electrical...

Location: Andover, MA
Posted Date: 20 Jan 2026

Electro-Mechanical Principal Test Engineer

for this role. Security Clearance: None/Not Required We are seeking a highly motivated and hands-on Test Engineer... to join our dynamic engineering team. The ideal candidate will possess strong electrical and mechanical setup, diagnostics...

Location: Everett, WA
Posted Date: 17 Jan 2026

Principal RF Mechanical Engineer

Products Team at Raytheon is seeking a talented Engineer to join our team in Tucson, AZ. The candidate will be responsible..., AZ. What You Will Do: Lead mechanical design activities involving RF hardware Lead others by understanding team dynamics and capitalizing...

Location: Tucson, AZ
Posted Date: 17 Jan 2026

Sr Principal Mechanical Engineer, Control Actuation Systems

Precision Control Actuation System department is seeking a mechanical design engineer to join the multi-disciplinary PCAS... with a prominent commercial software package​ Experience with Pro/Engineer/CREO 3D modeling and mechanical drawing generation...

Posted Date: 17 Jan 2026

Senior Principal RF Mechanical Engineer

Products Team at Raytheon is seeking a talented Engineer to join our team in Tucson, AZ. The candidate will be responsible..., AZ. What You Will Do: Lead mechanical design activities involving RF hardware Lead others by understanding team dynamics and capitalizing...

Location: Tucson, AZ
Posted Date: 17 Jan 2026

Principal Mechanical Engineer, Control Actuation Systems

Precision Control Actuation System department is seeking a mechanical design engineer to join the multi-disciplinary PCAS... with a prominent commercial software package​ Experience with Pro/Engineer/CREO 3D modeling and mechanical drawing generation...

Posted Date: 16 Jan 2026

Principal Mechanical Engineer

for an experienced Mechanical Engineer to support our Weapons Systems – Armament site in Plymouth, MN. We are a leading producer...RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time...

Company: Northrop Grumman
Location: Plymouth, MN
Posted Date: 19 Nov 2025
Salary: $98900 - 148300 per year

Principal Mechanical Engineer - Effectors

, and customer sites. This position will be an onsite role. What You Will Do Perform mechanical design, development.... Lead mechanical engineering teams and collaborate across multiple disciplines with structural and thermal analyst...

Location: Tucson, AZ
Posted Date: 23 Jan 2026

Sr. Principal Mechanical Engineer, Harness and Interconnect - Remote

that create a safer, more secure world. The Mechanical Engineering team leads the design, development and production... of mechanical hardware at Raytheon. We use state-of-the-art tools, processes, technology, and CORE principles. Mechanical...

Location: Arizona
Posted Date: 23 Jan 2026

Principal Mechanical Engineer – Radar and Sensors

products support US Government and international customers. This Mechanical Product Team Lead role will support the Sentinel... will be an onsite role. What You Will Do Drive technical and programmatic execution (performance/cost/schedule) for mechanical...

Posted Date: 17 Jan 2026