Sr Principal Engineer

SrPrincipalEngineer-Harness&Interconnect

$132–252k Tucson, Arizona, United States FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Lead candidates.

The Brief

“Sr Principal Engineer - Harness & Interconnect at Sr Principal Engineer. Skills: harness and interconnect domain, mechanical design, harnessing systems. detailed mechanical design. test design and execution”

Industry & Context.

Problems you'll solve

develop technical solutions to a wide range of complex problems; problem-solve tight space and dynamic movement constraints

Eligibility Requirements

Active and transferable U. S. government issued security clearance is required prior to start date, U. S. citizenship is required, DoD Clearance: Secret, Active and existing security clearance required on day 1

What They're Looking For.

Must Have

Degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience or An Advanced Degree in a related field and minimum 7 years experience, A minimum of 10 years of engineering experience, Experience designing and/or modifying Harness and/or Interconnect devices

Nice to Have

Experience with engineering of complex systems of devices and interconnects, Experience with development of harnessing requirements, system architecture, requirements risk, requirements verification and validation, system performance & function, safety and environmental compliance, Experience working with a wide variety of industry / military standards and specifications, Experience generating first order electrical analysis including, but not limited to, DC resistance and voltage drop, Experience deriving applicable technical requirements from higher level specifications, Proficiency in Geometric Dimensioning and Tolerancing per ASME Y14.5, Proven ability to deconstruct higher level tasks into discrete lower-level work packages and tasks, Proven ability to take ownership of complex harnessing systems and coordinating completion of technical data packages with peers, Experience developing technical solutions to a wide range of complex problems related to the entire product lifecycle including proposal, design, manufacture, integration and test, Developing subject matter expertise round wire, rf, and/or rigid-flex harnesses, Experience with harness design with mixed signals including knowledge of differential signals and shielding for EMI/RFI and crosstalk concerns, Moderate 3D modeling skills with a prominent commercial software package, Experience with Pro/Engineer/CREO 3D modeling and mechanical drawing generation, Experience with Creo Schematic, Mentor Capital, or other electrical system documentation software, Experience with flex and rigid flex design including familiarity with ECAD software, PCB design, signal integrity, copper weight calculations, adhesives, dielectrics, coverlays, stiffeners and thermal management, The ability to problem-solve tight space and dynamic movement constraints is a bonus, Proven design and manufacturing knowledge in machined parts, injection molded parts, wire harnesses/flex harnesses and related components

What You'll Do.

detailed mechanical design

test design and execution

proposals and estimates

earned value management

and verification of harnessing systems

How You'll Work.

Team & Collaboration

coordinating completion of technical data packages with peers

Process & Methodology

earned value management, deconstruct higher level tasks into discrete lower-level work packages and tasks

Full Job Description

**Date Posted:** 2026-05-18 **Country:** United States of America **Location:** US-AZ-TUCSON-M10 ~ 3360 E Hemisphere Loop ~ BLDG M10 **Position Role Type:** Onsite **U.S. Citizen, U.S. Person, or Immigration Status Requirements: ** Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ **Security Clearance Type:** DoD Clearance: Secret **Security Clearance Status:** Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. The Precision Control Actuation System department is seeking an expert mechanical design engineer to join the Harness and Interconnect organization to support the development, build, and verification of harnessing systems. The PCAS organization staffs engineers for a variety of roles supporting primarily tactical missile Integrated Product Teams. **What You Will Do** * At this grade level, you will be expected to work autonomously, have expert or mastery level knowledge of the harness and interconnect domain, exercise strategic vision to influence functional and organizational strategies of the PCAS organization beyond assigned program work, and coach and review the work of other professionals.​ * Support may include but is not limited to detailed mechanical design, test design and execution, systems engineering, proposals and estimates, or earned value management. * You will be expected to flex responsibilities based on the current needs of the organization and their respective skill sets.​ **What You Will L

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