Top 123 Sr. linux engineer Jobs in Arizona

Sr. Principal Systems Engineer - Signal and Sensor Modeling Engineer
Raytheon —Tucson, AZ
- $132,400 - $251,600 a year
- Full-time
- Engineering
- Windows
- Mentoring
- Paid holidays
- Disability insurance
Sr. Systems Engineer - Signal and Sensor Modeling Engineer
Raytheon —Tucson, AZ
- $86,800 - $165,200 a year
- Full-time
- 5 years
- Engineering
- Windows
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Senior Digital Product Configuration Management Engineer
Raytheon —Tucson, AZ
- $86,800 - $165,200 a year
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- 5 years
- Bachelor of Science
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Senior Digital Product Configuration Management Engineer
Raytheon —Tucson, AZ
- $86,800 - $165,200 a year
- Full-time
- 5 years
- Bachelor of Science
- Windows
- Paid holidays
- Disability insurance
Sr Principal Systems Engineer - Onsite
Raytheon —Tucson, AZ
- $132,400 - $251,600 a year
- Full-time
- System design
- Windows
- Business development
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Mid-Level SQL Engineer
Leidos —Tucson, AZ
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- Computer Science
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Embedded Software Engineer (Modem experience)
General Dynamics Mission Systems, Inc —Scottsdale, AZ
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Embedded Software Engineer (cleared)
General Dynamics Mission Systems, Inc —Scottsdale, AZ
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- 6 years
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Senior Systems and Test Integration Engineer- Hardware DevOps Environment
General Dynamics Mission Systems, Inc —Scottsdale, AZ
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- 3 years
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Tech Support Engineer IV (Remote)
Brain Corp —Phoenix, AZ
- $44.19 - $57.19 an hour
- Remote
- Computer science
- 6 years
- Computer Science
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Quick Apply
6d
Software Engineer - Compute Infrastructure and Security
Intel —Phoenix, AZ
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Sr. Splunk Engineer
Early Warning Services —Scottsdale, AZ
- $132,000 - $198,000 a year
- Full-time
- Hybrid work
- Computer Science
- Pass drug screening
- Office
- Paid parental leave
- Health savings account
Staff Digital Systems Engineer
Moog Inc. —Phoenix, AZ
- $185,000 - $202,000 a year
- Full-time
- Laboratory experience
- Master's degree
- Analysis skills
- Employee stock purchase plan
- Paid time off
8d
Sr. Site Reliability Engineer - Paze
Early Warning Services —Scottsdale, AZ
- $106,000 - $156,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Pass drug screening
- Paid parental leave
- Health savings account
Sr. Staff Engineer - Cloud Engineering
Early Warning Services —Scottsdale, AZ
- $150,000 - $200,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Pass drug screening
- Paid parental leave
- Health savings account
Principal Site Reliability Engineer
Early Warning Services —Scottsdale, AZ
- $194,000 - $237,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Pass drug screening
- Paid parental leave
- Health savings account
FPGA Engineer (Space)
Viasat, Inc. —Tempe, AZ
- $132,500 - $246,500 a year
- Online Application
- 6 years
- Master's degree
- Travel
Senior Embedded Software Engineer (Space)
Viasat, Inc. —Tempe, AZ
- $165,000 - $307,000 a year
- Online Application
- Computer Science
- 3 years
- Bachelor's degree
12d
Advanced Design Aircraft Software Engineer Sr
Cirrus Aircraft —Phoenix, AZ
- $111,755.49 - $167,633.23 a year
- Full-time
- Doctoral degree
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- Master's degree
- Wellness program
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Principal Engineer - Cloud
Early Warning Services —Scottsdale, AZ
- $173,000 - $242,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- 5 years
- Paid parental leave
- Health savings account

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Sr. Principal Systems Engineer - Signal and Sensor Modeling Engineer

Raytheon -
Tucson, AZ

Apply Now

Job Details

Full-time
$132,400 - $251,600 a year

Benefits

Paid holidays
Disability insurance
Health insurance
Dental insurance
Flexible spending account
Paid time off
Parental leave
Employee assistance program
Vision insurance
401(k) matching
Flexible schedule
Life insurance

Qualifications

C
Design (software development lifecycle)

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. Principal Systems Engineer - Signal and Sensor Modeling Engineers who enjoy solving complex problems, engaging in a dynamic team environment, and are eager to learn.

As a Sr. Principal Systems Engineer - Signal and Sensor Modeling Engineer, you will work on a close-knit team to create advanced, physics-based modeling solutions in the DoD Space. You will develop key technologies in the EO/IR/RF domain to help engineers grasp the most complex aspects of energy transport, enabling the design and test of tomorrow’s artificial intelligence algorithms and hardware solutions. You will deploy cutting-edge technologies, leverage your software development skills and collaborate with your Signal and Sensor Modeling peers. This is an Onsite role in Tucson, AZ.

What You Will Do

You will champion novel solutions for advanced modeling techniques.
You will develop new C++ models in an extensible and maintainable fashion.
You will deploy EO or RF phenomenology and advanced physics principles in a software implementation.
You will enable our customer’s success through adoption and utilization of modeling solutions.
You will work efficiently inside an established software product, across programming languages, and build environments.
You will research and develop novel EO or RF modeling solutions.
You will coordinate with multiple development teams to prioritize and solve complex software and physics problems.
You will mentor and share EO or RF expertise with your team.

Qualifications You Must Have

Typically requires a Bachelor’s degree in Engineering, Science, Physics, Mathematics, or a related STEM degree and a minimum of 10 years of prior relevant experience
Experience applying object-oriented software design in C++, C, and using MATLAB or Python for evaluation of data sets
Experience with UNIX/Linux or Apple OS or Windows DOS command line
Experience in electro-optics or in radar processing, Imaging EO/IR/RF systems, energy transport, radar physics, signal processing and/or discrimination algorithms
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 with OpenGL, CUDA, or other GPU accelerated languages/architectures and Scene Generation/Sensor Modeling technologies
Experience with electronic warfare modeling, developing signal processing algorithms for missile applications, signal & image processing, digital communications, or estimation theory, or AI/ML and training techniques
Experience with Real-time Programming, software change management tools and processes, using and augmenting Build Systems (Make/CMake), and working with large production software environment
Experience interfacing with adjacent engineering disciplines (Signal Processing, Systems Engineering, Hardware Engineering)

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 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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Refine Your Search

sr. linux engineer jobs in arizona

Sr. Principal Systems Engineer - Signal and Sensor Modeling Engineer

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