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Application Security Engineer
LangChain
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- $175,000 to $215,000 USD / year
…deployment for rapid iteration, enabling teams to transform LLM systems into dependable production…
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Senior Software Engineer (.NET Ecosystem)
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Remote, United States
- $167,000 to $238,000 USD / year
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Manufacturing Engineer
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Added 4 mins ago
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Automation Test Engineer
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Added 8 mins ago
Electrical Project Manager
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…small-scale electrical projects while developing foundational project management skills. This entry-level role includes supporting senior level project managers, coordinating project tasks,…
Added 9 mins ago
Division Director for Enterprise IT Infrastructure & Operations
Oak Ridge National Laboratory
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Sr Engineer, Automation
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- $87,000 USD / year
The Senior Automation Engineer leads the design, development, and deployment of advanced automation solutions across KeHE’s distribution network. This role drives multi-site automation…
Added 11 mins ago
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Senior Electrical Engineer PE (Hybrid)
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Senior Electrical Engineer PE (Hybrid/AEC/Design/Build) - $160-$185K+
Added 12 mins ago
Junior Security & IT Engineer
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Added 14 mins ago
Senior Systems Test Engineer I
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Added 16 mins ago
Data Center Senior Network Engineer
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…WLAN, data center, and cloud-connected networks. The Network Engineer serves as a technical escalation point for network-related issues, drives continuous improvement initiatives, and…
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AWS Senior DevOps Engineer
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We are currently seeking a AWS Senior DevOps Engineer to join our team in Herndon (REMOTE), Virginia (US-VA), United States (US).
Added 17 mins ago
Chief Engineer and Technical Program Manager
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EOI Space is looking for a Chief Engineer / Technical Program Manager to be the single technical and programmatic authority for our spacecraft: the person who makes the subsystems come…
Added 19 mins ago
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Coil Process Engineering Manager
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- $90,000 to $125,000 USD / year
Own setup standards, die changeover methods, and tooling life management for Fin Presses and Dies.
Added 25 mins ago
Cybersecurity Detection Engineer II -
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…detection workflows and automation, with guidance and support from senior engineers on the team. You’ll work closely with Incident Response, Threat Intelligence, and Vulnerability…
Added 26 mins ago
Sr. Substation Engineer
GFT.
St. Louis, MO · Kansas City, MO · Madison, WI · Knoxville, TN · Roanoke, VA · Charlotte, NC · Phoenix, AZ · Pittsburgh, PA · Marlton, NJ · Chicago..., IL
GFT is seeking experienced Senior Substation Engineers (Electrical Engineers) to join our expanding Power Group. As a substation engineer, you will lead or support utility and power…
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Water Resources Management Market Sector Leader
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New York, NY · Albany, NY · Newark, NJ · Syracuse, NY · White Plains, NY · Woodcliff Lake, NJ
…and technical excellence. Whether you're modernizing aging systems or pioneering innovative approaches, your contributions will make a meaningful difference in people’s lives. This isn’t…
Added 29 mins ago
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Senior Security Baseline Management Engineer
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- $96,000 to $181,000 USD / year
As a member of the Cyber Defense team within Corporate Information Security, the Senior Exposure Management Engineer is responsible for governing, assessing, and maintaining enterprise…
Added 29 mins ago
Senior Refrigeration Engineer
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…scientific instruments and laboratory equipment. As Refrigeration Engineer (ULT), you will design, develop, and sustain cascade refrigeration systems supporting Thermo Fisher’s cold storage…
Added 30 mins ago
Systems Engineer II - Modeling Simulation & Analysis Engineer
RTX
United States
Qualifications You Must Have
Added 30 mins ago
Sr. Systems Engineer - Modeling Simulation & Analysis Engineer
RTX
United States
Qualifications You Must Have
Added 30 mins ago
Principal Systems Engineer - Modeling Simulation & Analysis Engineer
RTX
United States
Qualifications You Must Have
Added 34 mins ago
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Added 36 mins ago
Cloud Engineer - TS/SCI with Polygraph
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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