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  1. Home
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  5. Sr Mechanical Engineer, Harness & Interconnect
Raytheon logo

Sr Mechanical Engineer, Harness & Interconnect

Not Disclosed•Full-TimeOn-site

location_onWest 14th Street, Barrio Viejo, Tucson, Pima County, Arizona, 85701, United States

Apply Now

About Raytheon and the Mission

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.

About the Role

The Precision Control Actuation System (PCAS) department is seeking a Mechanical Design Engineer to join the Harness and Interconnect organization. This role supports the development, build, and verification of harnessing systems for tactical missile Integrated Product Teams.

Engineers in this organization enjoy ample opportunities for hands-on hardware work, engaging in engineering builds, hardware integration, and verification. You will work within a strong technical learning environment featuring a dedicated technology pyramid of engineering fellows, providing direct access to subject matter experts to foster accelerated technical growth. The role requires flexibility to adapt responsibilities based on the evolving needs of the organization.

Location and Work Model

This position is based in Tucson, Arizona (US-AZ-TUCSON-M10) and is an Onsite role. Employees in Onsite roles work primarily on-site, as they are essential to the development of our products. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at our office locations.

Hiring Process and Requirements

Candidates must be U.S. citizens, as only U.S. citizens are eligible for the required Active and transferable U.S. government issued security clearance (DoD Secret). An ability to obtain an INTERIM U.S. government issued security clearance is required prior to the start date.

Our Values and Culture

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX, we value Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.

Work location

Work model: On-site

location_on

West 14th Street, Barrio Viejo, Tucson, Pima County, Arizona, 85701, United States

Tucson, Arizona

Key Responsibilities

  • check_circleSupport detailed mechanical design for harness and interconnect systems
  • check_circleDevelop technical solutions across the product lifecycle from design to test
  • check_circleConduct systems engineering activities and support proposal development
  • check_circleDesign and execute test plans for harnessing system verification
  • check_circleGenerate technical data packages and coordinate with peers for completion
  • check_circlePerform hardware integration and verification in laboratory environments
  • check_circleManage earned value management processes for project tracking

Requirements

  • verifiedU.S. citizenship required
  • verifiedActive and transferable U.S. government issued security clearance (Secret) required
  • verifiedBachelor's degree in STEM with 5+ years experience OR Advanced degree with 3+ years experience
  • verified5+ years of engineering experience
  • verifiedExperience designing and/or modifying Harness and/or Interconnect devices
  • verifiedProficiency in Geometric Dimensioning and Tolerancing per ASME Y14.5
  • verifiedExperience with Pro/Engineer/CREO 3D modeling
  • verifiedExperience with Creo Schematic, Mentor Capital, or other electrical system documentation software
  • verifiedExperience with flex and rigid flex design including ECAD software
  • verifiedExperience with harness design with mixed signals including differential signals and shielding for EMI/RFI

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 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.

Benefits & Perks

check_circleMedical, dental, vision, life, short-term and long-term disability insurancecheck_circle401(k) with company matchcheck_circleFlexible spending accountscheck_circleFlexible work schedulescheck_circleEmployee assistance programcheck_circleEmployee Scholar Programcheck_circleParental leavecheck_circlePaid time off and holidayscheck_circleAnnual short-term and/or long-term incentive compensation programscheck_circleRelocation eligibility
Raytheon cover image
Raytheon logo
Company

Raytheon

Industry

Defense and Space Manufacturing

Headquarters

Arlington, VA

Open Roles

26

Raytheon, a division of RTX, develops advanced defense technologies for aerospace, cybersecurity, and space exploration. Based in Arlington, VA, the company focuses on integrated air and missile defense systems, next-generation sensor technologies, hypersonic capabilities, and secure digital infrastructure. Operating within the defense and space manufacturing sector, Raytheon delivers solutions designed to enhance national security and operational efficiency. Its expertise spans both terrestrial and orbital domains, supporting military and government agencies with cutting-edge tools to address evolving threats. The company emphasizes innovation in engineering and strategic partnerships to advance defense readiness globally.
View company profilearrow_forwardlanguageWebsitelinkLinkedIn
Quick Overview

Experience

5+ yrs (Senior)

Job Type

Full-Time

Skills Required

Systems EngineeringEarned Value ManagementGeometric Dimensioning And TolerancingAsme Y14.5Pro/engineerCreo

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