Sr. Systems Engineer - Modeling Simulation & Analysis Engineer
Tucson, Arizona, United States · On-site
$87k–$165k/yr
Senior$200K raised
Date Posted: 2026-06-22 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 tran…
Sr. Systems Engineer - Guidance, Navigation, and Control Engineer
Tucson, Arizona, United States · On-site
$87k–$165k/yr
Senior$200K raised
Date Posted: 2026-06-22 Country: United States of America Location: US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and tra…
Skills: Guidance Navigation and Control, Signal Processing, Modeling and Simulation, Digital Control Systems, Kalman Filter Design
Sr. Principal Systems Engineer - Missile Guidance, Navigation, & Control Engineer
Tucson, Arizona, United States · On-site
$132k–$252k/yr
Senior+$200K raised
Date Posted: 2026-06-22 Country: United States of America Location: US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and tra…
Skills: GNC, Signal Processing, Modeling & Simulation, Digital Control Systems, Kalman Filter Design
Principal Systems Engineer - Signal and Sensor Modeling Engineer
Tucson, Arizona, United States · On-site
$108k–$205k/yr
Senior+$200K raised
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Principal Systems Engineer - Missile Guidance, Navigation, and Control Engineer
Tucson, Arizona, United States · On-site
$108k–$205k/yr
Senior+$200K raised
Date Posted: 2026-06-19 Country: United States of America Location: US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and tra…
Skills: Guidance Navigation and Control, Signal Processing, Modeling and Simulation, Digital Control Systems, Kalman Filter Design
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Skills: Python, C/C++, MATLAB, Object-Oriented Design, Signal Processing
Sr. Systems Engineer - Modeling Simulation & Analysis Engineer
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
$87k–$165k/yr
Full-time
bachelor degree, postgraduate degree
Medical, Dental, Vision, Life Insurance, Short-term Disability, Long-term Disability
Posted 51d ago
Apply by Aug 24
~40 hrs/week
Responsibilities
Develop high-fidelity simulations and models for missile design, performance assessment, and flight test support. Collaborate with multi-disciplinary teams to conduct trade studies and evaluate system and subsystem performance throughout the product lifecycle.
Requirements
Requires a Bachelor's degree in a STEM field and at least 5 years of experience in C/C++, Python/MATLAB, and physical systems modeling. Must be a U.S. citizen capable of obtaining a Secret security clearance.
Full job description
Date Posted:
2026-06-22
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 Sr. Systems Engineer - Modeling Simulation & Analysis Engineers who enjoy solving complex problems, engaging in a dynamic team environment, and are eager to learn.
As a Sr. 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 Bachelor’s degree in Engineering, Science, Physics, Mathematics, or a related STEM degree and a minimum of 5 years of relevant prior experience
Experience applying object-oriented software design and programming in C or C++
Experience using Python or MATLAB for evaluation of data sets
Experience modeling or simulating physical systems
Experience in modeling, simulation, statistics, and/or analysis for existing or proposed engineering solutions
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
Advanced Degree in Engineering, Science, Mathematics, or related STEM degree
Experience using applied system engineering principals, experience working on a team and/or by yourself, interfacing with multiple engineering disciplines
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.
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 86,800 USD - 165,200 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.
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
Offices: Arlington, VA, US
Advanced sensorsaerospaceaerostructuresavionicsair and missile defense systemsaircraft engines and auxiliary power unitscommand and control systemscyber and software solutionsdefensedigital
How much do Science & Research jobs in Tucson, AZ pay?
Based on 200 listings with disclosed salaries, most science & research jobs in Tucson, AZ pay between $69k–$205k per year. Individual offers vary with seniority, company size, and specialization.
How many Science & Research jobs are open in Tucson, AZ right now?
There are currently 348 open science & research positions in Tucson, AZ listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Science & Research roles in Tucson, AZ?
Companies currently hiring include RTX, Banner Health, Tenet Healthcare, Community Health Systems, WestLand, a Trinity Consultants Team, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Science & Research jobs in Tucson, AZ?
Yes — 25 of the 348 open science & research positions offer remote or hybrid work (8 remote, 17 hybrid).
How do I apply for Science & Research jobs in Tucson, AZ?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.