Jobs in the United States

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Added 1 min ago
Project Engineer (Mechanical)
Oshkosh Corporation
Clearwater, FL
…leading custom communications vehicle manufacturer since 1985 and has built over 2,500 highly customized vehicles for this industry. Our team members design and manufacture high-quality,…
Added 1 min ago
Electrical Engineer
AutoStore System Inc.
Atlanta, GA
AutoStore is hiring an Electrical Engineer to support the development of next-generation robotic automation systems. We are looking for an engineer with experience designing and validating…
Added 2 mins ago
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Facility Operations Center Engineer, ADC InfraOps FOC, ADC FOC
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We support Data Center Engineer Operations teams who are responsible for the operation of infrastructure equipment. Our role is to ensure that critical alarms are properly Responded to,…
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Machine Learning Engineer, Sponsored Products and Brands
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Added 5 mins ago
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Mechanical Reliability Engineer
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Hopewell, VA
- $100,000 to $140,000 USD / year
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Added 5 mins ago
Quality Engineer
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Belle Chasse, LA
The primary role of the Quality Engineer will be to interpret, comply with and improve MCG's quality assurance standards. Essential to this responsibility will be the requirement to ensure…
Added 5 mins ago
Data Engineer
Berkley
Jacksonville, FL
We are seeking a Data Engineer with strong data modeling, governance and data quality capabilities to transform a fragmented data estate into a trusted enterprise foundation. This role will…
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AWS Senior DevOps Engineer
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Herndon (REMOTE), VA
NTT DATA is seeking an AWS Senior DevOps Engineer to support a large-scale modernization initiative focused on cloud automation, infrastructure-as-code, CI/CD pipeline engineering, secure…
Added 7 mins ago
Associate Database Engineer
CDK Global, LLC
Austin, TX
Candidates must reside within commuting distance of this office
Added 8 mins ago
Materials Engineer
EMD Curtiss Wright Electro Mechanical
Pittsburgh, PA
Experience and working knowledge of material properties and selection of materials for new design applications.
Added 8 mins ago
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Coil Process Engineering Manager
Actalent
Pryor, OK
- $90,000 to $125,000 USD / year
…Engineering Manager plays a crucial role in standing up, leading, and developing the Coil Process Engineering function to ensure safe, efficient, and repeatable coil manufacturing…
Added 8 mins ago
Mechanical Engineer
Actalent
Boston, MA
Job Title: Mechanical Engineer (remote mst hours)Job DescriptionThis role offers an opportunity for an experienced Mechanical Engineer to take end-to-end ownership of advanced mechanical…
Added 8 mins ago
Mechanical Engineer
Actalent
Berkeley, CA
Design complex mechanical test equipment from initial CAD concept through detailed design, fabrication, and assembly.
Added 8 mins ago
Mechanical Engineer
Actalent
Burlington, NC
Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to…
Added 8 mins ago
Software Project Manager
Actalent
Greensboro, NC
As an experienced Maintainability Engineer, you will monitor and analyze vehicle maintenance data to identify trends and patterns and recommend corrective actions as necessary. You will…
Added 8 mins ago
Composites Engineer - Entry Level
Actalent
Greenville, SC
We're looking for an early-career engineer who wants to learn composites from the ground up, on the shop floor as well as at a desk. You'll work alongside other engineers and experienced…
Added 8 mins ago
Electrical Engineer
Actalent
Gilbert, AZ
Work EnvironmentThis is a full-time, onsite role working five days per week
Added 9 mins ago
Mechanical Reliability Engineer
ITAC
Hopewell, VA
ITAC serves Process & Industrial clients with integrated engineering and construction services for complex capital projects. We also offer specialty services including power systems…
Added 9 mins ago
Manufacturing Engineer
Actalent
Boulder, CO
Job Title: Manufacturing EngineerJob DescriptionThe Manufacturing Engineer will oversee and enhance manufacturing processes across SMT/PCBA assembly, hand soldering, testing, and final…
Added 9 mins ago
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SR. Reliability Engineer
Actalent
Loveland, CO
- $110,000 to $140,000 USD / year
The position can be based in Loveland, San Antonio, or Casper, with 50% travel across the Rocky Mountain corridor, from Canada to Texas
Added 9 mins ago
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Electrical Engineer
Actalent
Aurora, CO
- $82,000 to $95,000 USD / year
Job Title: Electrical EngineerJob DescriptionWe are seeking an experienced Electrical Engineer to own electrical design projects from initial requirements through to completed and released…
Added 9 mins ago
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Electrical Engineer
Actalent
Denver, CO
- $67 to $88 USD / hour
Job Title: Electrical EngineerJob DescriptionWe are seeking an experienced Electrical Engineer with 4 to 5+ years of relevant experience in power electronics and larger/high-current…
Added 9 mins ago
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Stress Engineer III/VI
Actalent
Centennial, CO
- $73.9 USD / hour
Job Title: Stress Engineer IIIJob DescriptionThe Stress Engineer III will perform advanced finite element structural analysis to support complex aerospace and defense systems, including…
Added 10 mins ago
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Senior Full Stack Engineer (Angular)
Fidelity Technology Group, LLC
Boston, MA
- $97,000 to $185,000 USD / year
As a Senior Full Stack Engineer in a Quantitative Development team, you will play a key role as a technical leader responsible for designing, implementing and deploying complex end-to-end…

RTX

Principal Systems Engineer - Modeling Simulation & Analysis Engineer

United States

The salary range for this role is 107,500 USD - 204,500 USD.

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Job details

Pay: The salary range for this role is 107,500 USD - 204,500 USD.
Apply by: Jan 18, 2027
Posting language: English
Posted: Nov 12, 2026

Original job description

Date Posted:

2026-11-12

Country:

United States of America

Location:

US-AZ-TUCSON-9020 ~ 9020 S Rita Rd ~ BLDG 9020

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:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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.

Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

We’re looking for a Principal Systems Engineer - Modeling Simulation & Analysis Engineers who enjoy solving complex problems, engaging in a dynamic team environment, and are eager to learn.

As a Principal Systems Engineer - Modeling Simulation & Analysis Engineer, you will participate in challenging multi-disciplinary work across integrated product teams consisting of Guidance, Navigation & Control (GNC), Signal Processing and missile-and-sensor-level Performance Simulations. Our Performance Simulation teams provide, develop, and maintain high fidelity performance simulations, evaluate system performance, support new business initiatives and develop & execute technology roadmaps. This is an Onsite role in Tucson, AZ

What You will Do

You will create high fidelity simulations and models for missile design, performance assessment, and flight test support
You will be responsible for the development and implementation of modeling solutions, and subsequently conduct trade studies and evaluation of system and subsystem performance
You will work in a team environment, receiving input from the team supervisors and providing guidance and/or direction to other team members
You will collaborate with Guidance, Navigation & Control (GNC), Signal Processing, and other performance personnel to perform simulation activities according to the program schedule
You will work on different projects, determine, and develop approaches and solutions, and provide development guidance throughout the product lifecycle from initial concept to fielded product
You will provide technical expertise for the simulation products of a specific program, and assist Senior Modeling Engineers in the preparation of detailed plans, and may interact with government counterparts as an authority on simulation products

Qualifications You Must Have

Typically requires a degree in Engineering, Science, Physics, Mathematics, or a related STEM degree and a minimum of 8 years of relevant prior experience
Experience with object-oriented, C, or C++ software programming
Experience using Python or MATLAB for evaluation of data sets
Experience modeling, simulating, and/or analysis of physical systems
Ability to obtain an Interim Secret U.S. government issued Security Clearance is required prior to start date with the ability to obtain special program access after start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

Experience as a Functional and/or Technical lead within an engineering environment
Advanced Degree in Engineering, Science, Mathematics, or related STEM degree
Leadership experience managing others using applied system engineering principles, experience working on a team and by yourself, interfacing with multiple engineering disciplines
Experience creating and/or presenting technical briefings
Experience developing signal processing / GNC algorithms or models for missile applications
Experience with control hardware design & test and/or hardware & software integration
Experience modeling physics and/or modeling physical systems as related to flight dynamics
Experience using UNIX / Linux based workstations and using Software Configuration Management tools such as Git
Course work or experience in some of the following fields: radar, signal & image processing, radar and/or EO/IR environment models, digital communications, probability and statistics, linear algebra, estimation theory, optimal control, system architecture, inertial navigation, guidance theory

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 Eligible – relocation assistance available for this position

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.
This position requires onsite work in Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-location

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 107,500 USD - 204,500 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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Jobs in the United States