Field Engineer Internship Jobs in Tucson, AZ (NOW HIRING)

Date Posted:

2026-03-02

Country:

United States of America

Location:

US-AZ-TUCSON-849 ~ 1151 E Hermans Rd ~ BLDG 849 (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:

DoD Clearance: Secret

Security Clearance Status:

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

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. 

The Systems Engineering and Test Center (SE&TC) organization is currently hiring a Signal Processing Systems Engineer II to join our Tucson, AZ location. SE&TC is an exciting and challenging environment where you will have the opportunity to design, develop, and test to shape innovative solutions for our customers.

Join our organization and collaborate in the design, development, prototyping, integration, testing, and performance assessment of radar frequency (RF) or ElectroOptical/Infrared (EO/IR) algorithms and models. Used across our products and new business initiatives, signal processing algorithms extract and exploit signals to be used for calibration and de-noising of raw sensor data; detecting, acquiring, tracking, and classifying objects of interest; and sensor fusion.

This role is 100% on-site at our Tucson, AZ campus.

What You Will Do:

In this Systems Engineer II role, you will support the following types of activities:

• You will act as an entry-level professional with theoretical knowledge of RF or EO/IR signal processing to support development, execution, and completion of difficult and potentially complex program objectives.
• Troubleshoot and Analyze: Participate in engineering lab environments to test, verify, and validate RF or EO/IR models and signal processing algorithm performance in accordance with requirements.
• Drive Performance: Collaborate across functions to drive performance improvements and resolve system issues.
• Integrate Systems: Integrate algorithms into tactical system hardware and software, evaluating their functionality and impact.
• Decision analysis & Resolution: Conduct trade studies and present results to stakeholders.
• Document and Communicate: Develop integration documentation, execute plans, analyze data, verify requirements and effectively communicate results to leadership and stakeholders.
• Collaborate Across Disciplines: Work within a multi-disciplinary team to achieve seamless integration and system functionality through all development phases from program start-up to live-fire testing.
• Perform Data Analysis: Use and modify simulations for the design, development, prototyping, integration, testing, and performance assessment of RF or EO/IR algorithms and models.
• Present Findings: Present technical findings and solutions to leadership and customers.

Qualifications You Must Have:

• Master’s degree in Science, Technology, Engineering, or Mathematics (STEM)
• This position requires 12 months or less of professional experience (excluding internships)
• Experience developing scripts and functions with MATLAB or Python for evaluation of data sets.
• Experience with the C or C++ programming languages.
• 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

• Have completed or currently be taking at least two courses in Signal Processing / Image Processing (e.g., Signals & Systems, Digital Signal Processing, Signal Analysis, Radar Signal Processing, Radar and Communication Systems, Radar Systems Analysis & Design, Adaptive Array Processing, Digital Image Processing, or equivalent).
• Minimum 3.00 cumulative GPA.
• Professional internships, capstone/senior project, or academic research that provides experience applying signal processing techniques to RF or EO/IR data and models.
• Experience with version control tools such as Azure DevOps and Git.
• Experience with performance analysis and presenting analytical and technical material.
• Experience working in an engineering lab, test facility, or in the field, supporting integration and/or verification.
• Experience with generating technical documentation, such as trade studies, test plans, procedures, or technical reports.
• Experience with evaluating systems using simulated environments.
• Effective communication and organization skills.

What We Offer:

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.
• Relocation eligible

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

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.

Please upload a copy of your most recent transcripts with your resume when applying to this requisition. Include your cumulative GPA and projected graduation date on your resume.

This position requires the ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm 

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 68,900 USD - 131,100 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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