Principal Mechanical Engineer Jobs in Tucson, AZ

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Mechanical Engineer Iii Space Payloads

Rocket Lab Corporation

profile Tucson - USA

ABOUT ROCKET LABRocket Lab is an end-to-end space company delivering responsive launch services complete spacecraft design and manufacturing payloads satellite components and more all with the goal of opening access space. The rockets and satellites we build and launch enable some of the most ambit...

17 days ago
Full Time

Senior Mechanical Engineer Iii, Space Payloads Sec...

Rocket Lab Corporation

profile Tucson - USA

ABOUT ROCKET LABRocket Lab is an end-to-end space company delivering responsive launch services complete spacecraft design and manufacturing payloads satellite components and more all with the goal of opening access space. The rockets and satellites we build and launch enable some of the most ambit...

17 days ago
Full Time

Senior Mechanical Engineer Iiprincipal, Space Payl...

Rocket Lab Corporation

profile Tucson - USA

ABOUT ROCKET LABRocket Lab is an end-to-end space company delivering responsive launch services complete spacecraft design and manufacturing payloads satellite components and more all with the goal of opening access space. The rockets and satellites we build and launch enable some of the most ambit...

17 days ago
Full Time

Senior Principal Mechanical Engineer Structural

Rtx

profile Tucson - USA

Date Posted:Country:United States of AmericaLocation:AZ808: RMS AP BldgEast Hermans Road Building 808 Tucson AZ 85756 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start...

20 days ago
Full Time

2026 Fulltime Mechanical Engineer I Onsite

Rtx

profile Tucson - USA

Date Posted:Country:United States of AmericaLocation:AZ202: 3350 EHemisphere Loop Bldg M09 3350 EHemisphere Loop Bldg M09 Building M09 Tucson AZ 85706 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clea...

24 days ago
Full Time

Specter Sr Principal Mechanical Cptl

Rtx

profile Tucson - USA

Date Posted:Country:United States of AmericaLocation:AZ808: RMS AP BldgEast Hermans Road Building 808 Tucson AZ 85756 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start...

24 days ago
Full Time

Mpbd Engineering Business Manager M4 Active Secret...

Rtx

profile Tucson - USA

Date Posted:Country:United States of AmericaLocation:AZ808: RMS AP BldgEast Hermans Road Building 808 Tucson AZ 85756 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start...

24 days ago
Full Time

2026 Summer Intern Mechanical Engineer

Roche

profile Tucson - USA

At Roche you can show up as yourself embraced for the unique qualities you bring. Our culture encourages personal expression open dialogue and genuine connections where you are valued accepted and respected for who you are allowing you to thrive both personally and professionally. This is how we aim...

25 days ago
Full Time

2026 Summer Intern Mechanical Engineer Instrument ...

Roche

profile Tucson - USA

At Roche you can show up as yourself embraced for the unique qualities you bring. Our culture encourages personal expression open dialogue and genuine connections where you are valued accepted and respected for who you are allowing you to thrive both personally and professionally. This is how we aim...

27 days ago
Full Time

Sr. Opto-mechanical Engineer

Rtx

profile Tucson - USA

Date Posted:Country:United States of AmericaLocation:AZ201: RMS AP BldgEast Hermans Road Building 801 Tucson AZ 85756 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start...

30 days ago
Full Time

Opto-mechanical Engineer Ii

Rtx

profile Tucson - USA

Date Posted:Country:United States of AmericaLocation:AZ201: RMS AP BldgEast Hermans Road Building 801 Tucson AZ 85756 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start...

30 days ago
Full Time

Capture & Proposal Project Lead

Rsc2

profile Tucson - USA

Full-timeDescriptionFounded in 2009 RSC2 Inc. is a Small Business Administration (SBA) Certified HUBZone Professional Services company headquartered in Baltimore Maryland. RSC2 provides breakthrough expertise support services and technologies to make operations programs and systems of record perform...

30+ days ago
Full Time

Senior Mechanical Engineer Advanced Airframes

Rtx

profile Tucson - USA

Date Posted:Country:United States of AmericaLocation:AZ851: RMS AP Bldg M01 1151 East Hermans Road Building M01 Tucson AZ 85756 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior...

30+ days ago
Full Time

2026 Fulltime Mechanical Engineer Ii Onsite

Rtx

profile Tucson - USA

Date Posted:Country:United States of AmericaLocation:AZ888: RMS AP BldgEast Hermans Road Building 928 Tucson AZ 85706 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start...

30+ days ago
Full Time

Design Engineer I (desig005645)

Rbc

profile Tucson - USA

Design Engineer I Hydraulic Valves & MechanismsSargent Aerospace & Defense is a premier global supplier of custom engineered high quality products to the Aerospace and Defense Industries. Sargent holds a leadership position in this highly competitive environment as a result of its commitment to inv...

30+ days ago
Full Time

Sr Service Engineer Reliability

Caterpillar

profile Tucson - USA

Career Area:Product SupportJob Description:Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar yourejoining a global team who cares not just about the work we do but also about each other. We are the makers problem solvers and future world builders who are creating stronger mor...

30+ days ago
Full Time

Sr Service Engineer Reliability

Caterpillar

profile Tucson - USA

Career Area:Product SupportJob Description:Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar yourejoining a global team who cares not just about the work we do but also about each other. We are the makers problem solvers and future world builders who are creating stronger mor...

30+ days ago
Full Time

Install Tech Water Filtration Plumbing

Puragain Water

profile Tucson - USA

Job Title: Water Filtration Install Tech (Plumber) $55K$65K Overview: Puragain Water is hiring an experienced and reliable Water Filtration Install Tech to join our growing team. If youre a plumber or plumbing tech who enjoys hands-on work helping customers and being part of a fast-moving company t...

30+ days ago
Full Time

Rf Mechanical Engineer Ii

Rtx

profile Tucson - USA

Date Posted:Country:United States of AmericaLocation:AZ852: RMS AP Bldg M02 1151 East Hermans Road Building M02 Tucson AZ 85756 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior...

30+ days ago
Full Time

Mechanical System Engineer

Dawar Consulting, Inc.

profile Tucson - USA

Our client a world leader in life sciences and diagnostics is looking for a Mechanical System Engineer based out of Tucson AZ (Relocation assistance provided). Job Duration: Long Term Contract (Possibility Of Extension)Pay Rate : $42/hr on W2 Company Benefits: Medical Dental Vision Paid Sick leave 4...

30+ days ago
Full Time