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Added 1 min ago
Staff Site Reliability Engineer
Veeam Software
Remote, United States
…a software engineering discipline that uses code, data, and systems thinking to make product delivery safe and fast. As a Staff Site Reliability Engineer, you’ll lead by building…
Added 3 mins ago
GD
Principal Software Engineer
Green Dot Corporation
United States
- $159,400 to $230,000 USD / year
Principal Engineer: Rearchitect Green Dot Corporation’s Banking as a Service (BaaS) platform for the future using cloud native techniques. Build the next generation banking and payments…
Added 8 mins ago
Principal/Senior Plant Maintenance Engineer
Portland General Electric Company
Clatskanie, OR
Senior / Principal Plant Maintenance Engineer
Added 14 mins ago
Data Engineer
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The Data Engineer serves as the principal technical authority and hands-on builder for enterprise data architecture, pipelines, and data platform capabilities across classified and…
Added 25 mins ago
Senior Engineer, Mechanical - Fixed Equipment & Piping Integrity
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United States
The Staff Mechanical Engineer – Fixed Equipment & Piping Integrity is responsible for providing technical engineering support for the integrity, reliability, and regulatory compliance of…
Added 26 mins ago
Senior RF Engineer II (Hardware)
Neros Technologies
Torrance, CA
Neros is a defense technology company rebuilding America’s drone industrial base. We design and manufacture high-performance unmanned systems that are tested in combat, iterated at startup…
Added 31 mins ago
Sr. Radio Frequency (RF) Engineer
The Aerospace Corporation
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The Defense Systems Group (DSG) provides analysis-based decision support to senior leaders on space architectures, policy and strategy, technology development, warfighter capability…
Added 41 mins ago
Thermal Analysis Engineer III
Axiom Space
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As a Senior Thermal Analysis Engineer III, you will own the thermal design and analysis of key suit components, including the Portable Life Support System (PLSS), the Pressure Garment…
Added 50 mins ago
Principal Data Architect
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Reston, VA · Somerville, MA
This is a principal engineering role, not a people-management role. You will be judged on the systems you design and ship, the quality of your technical decisions, and how much you raise…
Added 1 hour ago
Principal Engineer, Identity & Access Management (IAM) - Microsoft Entra ID
Boston Scientific
Arden Hills, MN
Boston Scientific is seeking a Principal Engineer, Identity & Access Management (IAM), specializing in Microsoft Entra ID and cloud identity to provide enterprise-level technical leadership…
Added 1 hour ago
Principal Radar Systems Engineer
STR
Remote, United States
The Systems Development Division (SDD) within STR delivers technology advantage into users’ hands and is seeking a Principal Radar Systems Engineer to support/lead the architecting, design,…
Added 1 hour ago
Distinguished Hardware Engineer
Cisco
San Jose, CA
…help each other grow. Because full product development - from design to qualification to production - is within our team, we’re able to think differently, experiment more, and work quickly.…
Added 1 hour ago
HFN: Manufacturing Engineer II
Hanger, Inc.
Phoenix, AZ
The Manufacturing Engineer will develop and improve a wide range of manufacturing or system processes by understanding required outcomes and applying best practices. This entails working…
Added 1 hour ago
Principal Software Engineer
DQQ Cohesity Inc.
Santa Clara, CA
We are looking for an exceptional Principal Engineer (L8) to lead the architecture and development of next-generation cloud-native services and platform infrastructure powering large-scale…
Added 1 hour ago
Principal Imaging Engineer
i3 Assembly
Boxborough, MA
The Principal Imaging Engineer is a senior technical contributor responsible for the development, evaluation, optimization, and support of imaging technologies used in CT scanning systems.…
Added 1 hour ago
P
Vehicle Calibration Engineer - Software Integration (Driver Assistance Systems)
PACCAR
Mount Vernon, WA
- $70,500 to $105,800 USD / year
We are looking for a driven Calibration Engineer to join our Vehicle Calibration team. This role offers opportunity to focus on the calibration, integration, and in-vehicle verification of…
Added 1 hour ago
Software Development Engineer II, Efficiency & Performance, Alloy, Region Flex Efficiency
Amazon.com Services LLC
Sunnyvale, CA
As a Software Development Engineer in Alloy, you will collaborate with service and infrastructure teams across Amazon to identify and eliminate performance bottlenecks in large-scale…
Added 1 hour ago
Software Development Engineer III, Efficiency & Performance, Alloy, Region Flex Efficiency
Amazon.com Services LLC
Sunnyvale, CA
As a Software Development Engineer in Alloy, you will collaborate with service and infrastructure teams across Amazon to identify and eliminate performance bottlenecks in large-scale…
Added 1 hour ago
Principal Mechanical Design Engineer
Aerospace
Phoenix, AZ
As a Principal Mechanical Design Engineer here at Honeywell Aerospace, you will be a key contributor to the design and development of cutting-edge mechanical solutions. You will play a…
Added 1 hour ago
IG
Principal Software Architect
Insight Global
Smyrna, GA
- $140,000 to $240,000 USD / year
- 6+ years as a principal-level software engineer or architect, with the ability to lead technical design and architecture decisions
Added 1 hour ago
Sr. Design Engineer
Nemera
Chicago, IL
…of the leading global manufacturers of complex drug delivery systems for the pharmaceutical industry, offering to patients a broad product portfolio which includes inhalation devices,…
Added 1 hour ago
Principal Robotics Engineer - R&D
Boston Engineering Corporation
Waltham, MA
Boston Engineering is seeking a Principal Robotics Engineer - R&D to join our team in Waltham, MA!
Added 1 hour ago
Principal Flight Controls Engineer
Electra
Manassas, VA
As a Principal Flight Controls Engineer you will help support the development of the Control Laws for the EL9 Ultra Short aircraft.
Added 1 hour ago
O
Senior Core Infrastructure Engineer
Oracle
Santa Clara, CA · Seattle, WA · Austin, TX · Nashville, TN
- $79,200 to $209,500 USD / year
As a Senior Member of Technical Staff, you will design, implement, test, debug, and operate components of OCI’s Key Management Service. You will contribute to features and improvements…
Added 1 hour ago
FU
Cybersecurity Architect
FMS USA Fresenius Mgmt Services Inc
Remote, United States
- $137,000 to $229,000 USD / year
Design security configuration guidelines for information technology devices and systems, as well as mechanisms for assessing compliance within those guidelines.

RTX

Sr. Principal Low Observable Materials Engineer

United States

The salary range for this role is 132,400 USD - 251,600 USD.

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Job details

Pay: The salary range for this role is 132,400 USD - 251,600 USD.
Posting language: English
Posted: Nov 2, 2026

Original job description

Date Posted:

2026-11-02

Country:

United States of America

Location:

US-AZ-TUCSON-827C ~ 1151 E Hermans Rd ~ BLDG 827C (External Site)

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:

Secret - Current

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.

Raytheon is an industry leader in Stealth Technology. We are involved in all phases of development, production, and maintenance of Low Observable (LO) weapon systems. You will be working on cutting-edge projects, developing next-generation materials, and integrating advanced signature control techniques into our defense systems.

What You Will Do

You will be responsible for material and process development, characterization and system level integration in support of all Raytheon product lines and new business.
Material performance predictions and measurement tests of developmental and production systems.
You will be expected to perform material measurements of constitutive and RF attenuation properties and generate predicted material performance using Computational Electromagnetic Codes (CEM) tools.
You will work in integrated product teams to incorporate advanced signature control techniques into deliverable products and aid in the assessment of system performance.
Material formulation and development
Fabrication process development
Composites operations support
Material testing and characterization (RF, mechanical, physical)
Preparation of engineering documentation
Customer and supplier interface
Participation/leadership of and program reviews
Project management
Mentor early career engineers.
Strong ownership of tasks; ability to function as Materials Lead on Integrated Product Teams

This job is in Tucson, AZ and the position is onsite Qualifications You Must Have

Typically requires a 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
Experience in Low Observables or Radar materials
Experience in any of the following: Material characterization, or performance testing and/or prediction, and/or design experience, material down-select and/or integration on to air vehicle.
Experience with customer and supplier collaboration

Qualifications We Prefer

Master’s degree in Science, Technology, Engineering, or Mathematics (STEM)
High temperature LO materials characterization, testing, and integration
Experience with intrinsic property analytical techniques for the electromagnetic characterization of material.
Competence in utilizing thermal analysis techniques (DMA, TMA, TGA, DSC) properties.
Agile communicator, with effective interaction style that fosters collaboration with a multi-disciplined team, suppliers, and customers.
Skilled at planning, prioritizing, and executing projects/programs to successful completions.
Proposal Writing and Basis of Estimate (BOE) development experience.
CAD software proficiency and technical programming experience (Python, C++, MATLAB, etc.)
Experience with Infrared signature analysis and control.
A current active U.S. Government in-scope DoD Top Secret security clearance with the ability to obtain and maintain Special Program Access (SAP).

What We Offer

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.

Relocation Eligibility

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, 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 one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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.

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More about this job

Skills

Test materials
Documentation
Leadership
Project management
Collaboration
TMA
Agile
Prioritization
CAD software
Python
C++
The MathWorks MATLAB
Microsoft Access
SAP

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