Sr Principal Hardware Design Engineer (Onsite)

RTX (Raytheon); Cedar Rapids (IA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health insurance

Vacation

401k plan

Tuition reimbursement

Employee assistance

Job summary

RTX's Collins Aerospace in Cedar Rapids, IA is seeking a Senior Principal Electrical Engineer to lead avionics hardware development within the DCCN Directorate. You will drive design cycles, oversee CCA/PCB layouts, and ensure EMI/ENV qualification for rugged mission computers and network products.

Collaborate across Systems, Software, Mechanical, and Manufacturing teams, mentor engineers, and champion Design to Cost, DFM, and DFT across all phases from pursuit to factory transition.

Qualifications

• Typically requires STEM degree with years of experience; advanced degree optional.
• Hands-on troubleshooting and robust problem solving in avionics hardware.
• Experience with Avionics I/O interfaces and EMI/ENV testing.

Responsibilities

• Lead LRU development through all design phases.
• Design and analyze circuit card assemblies for avionics computers.
• Coordinate lab integration testing of hardware designs.
• Schematic capture for digital/analog mixed-signal designs.
• Oversight of PCB layout and manufacturability considerations.
• Apply DTC, DFM, and DFT across programs.
• Mentor less experienced engineers on the team.
• Lead EMI and ENV qualification efforts for LRUs.

Skills

LRU development

Circuit card design

Avionics I/O

EMI/ENV experience

Root cause analysis

Team leadership

Education

STEM degree

Advanced degree in related field

Tools

Circuit simulation software

PCB layout tools

Job description

Date Posted: 2026-09-16 | Country: United States of America | Location: US-IA-CEDAR RAPIDS-130 ~ 5350 C Ave NE ~ BLDG 130 | Position Role Type: Onsite | U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. | Security Clearance Type: None/Not Required | Security Clearance Status: Not Required

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

We are seeking a highly motivated Senior Principal Electrical Engineer to join the Computing Products Department within the Displays, Controls, Computing & Networking Engineering (DCCN) directorate. This department is responsible for the development and sustainment of state-of-the-art avionics hardware products including ruggedized mission computers, video processing modules, and network products used in commercial and military aircraft platforms. This role is onsite, in Cedar Rapids, Iowa.

This role supports all phases of the hardware development lifecycle-program pursuit, design, integration, verification, and factory transition and will play a key part in development of the computing modules product line and our air vehicle computers.

The selected candidate will collaborate closely with cross-functional partners, including Systems, Software, Mechanical, Environmental Effects, Manufacturing/Operations, and Design-to-Cost teams, to ensure all product requirements are successfully achieved. Strong expertise in high-speed digital circuit board design, EMI control, manufacturability, testability, and thermal management is essential.

What You Will Do:

• Lead LRU Development through all phases of design cycle
• Design and analyze Circuit Card Assemblies (CCA) for Avionics Computers (Processors, Memory, interfaces)
• Work with lab equipment for integration testing of hardware designs
• Schematic capture of complex digital/analog mixed signal electrical circuit designs
• Oversight of Printed Circuit Board (PCB) layout
• Design to Cost (DTC), Design for Manufacturing (DFM), Design for Test (DFT)
• Mentoring and delegating tasks to less experienced engineers
• Lead EMI and ENV qualification efforts of complex Line Replaceable Units (LRU)

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience
• Hands-on troubleshooting experience
• Experience with Avionics I/O (Ethernet, ARINC 429, MIL-STD 1553, PCIe)
• Excellent communication and presentation skills
• Ability to work collaboratively with team members and independently on assigned tasks
• Demonstrated ability to lead root cause analysis and drive corrective actions

Qualifications We Prefer:

• Experience in the Defense or Aerospace industry
• EMI/EMC, Lighting protection circuits and testing concepts and design
• Demonstrated use of software tools for electrical circuit simulation and/or Printed Circuit Board layout
• Experience with Avionics regulatory and certification requirements: TSO, DO-160, or DO-254, MIL-STD-461
• Demonstrated ability to perform root cause analysis and drive corrective actions

What We Offer

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Carrot Health to hormonal health, fertility, and family building
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• And more!

Collins Aerospace makes modern flight possi