Explore 3 python test software developer jobs from 2 hiring companies in Whetstone, AZ, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Python Test Software Developer

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Python Test Software Developer Jobs

Quest Defense

Onsite

<div class="content-intro">
<img style="max-width: 100%;" src="https://www.jometer.com/v2/track?c=j9z3&amp;a=2" width="1" border="0"></div>Engineers are the reason we exist—they’re the core of who we are. Embark on a journey with EXB Solutions at the forefront of technological innovation as we seek talented Engineers to shape the future of cutting-edge projects and contribute to a culture of excellence and creativity. What we do matters.
Quest Defense Systems &amp; Solutions is seeking a Senior Principal, Principal, or Senior Software Engineer to support advanced aerospace and defense test systems. In this role, you’ll develop software, automation tools, and hardware interfaces that help validate mission-critical products in both engineering and production environments.
You’ll work hands-on with C++, C#, Python, Visual Studio, and lab instrumentation while partnering with cross-functional teams to solve integration challenges, troubleshoot complex systems, and keep high-visibility programs moving.
This is an excellent opportunity for a senior engineer who enjoys building software that interacts with real hardware, thrives in fast-paced environments, and wants to make a direct impact on cutting-edge defense technology.
Due to the nature of this role, all candidates must be U.S. citizens with the ability to obtain and maintain a Secret Clearance.
This role is onsite in Tucson, AZ. Relocation assistance is provided.
Key Responsibilities:
<ul>
<li>Guiding multidisciplined teams in the development of test equipment&nbsp;</li>
<li>Prioritize and handle multiple tasks in a production environment&nbsp;</li>
<li>Contributing to cost and schedule management planning&nbsp;</li>
<li>Communicating with senior management on project status&nbsp;</li>
<li>Troubleshooting software and test equipment&nbsp;</li>
<li>Develop requirements for software products&nbsp;</li>
<li>Written and interpersonal communication skills with Program Management&nbsp;</li>
</ul>
Required Qualifications:
<ul>
<li>Typically requires a&nbsp;bachelor’s degree in science, Technology, Engineering, or Mathematics (STEM) and minimum 5 years prior relevant experience, or an Advanced degree in a related field and minimum 3 years’ experience.  &nbsp;</li>
<li>Minimum of 5 years developing and integrating software applications using programming languages including but not limited to C++. C#, Java, Python, or Visual Basic&nbsp;</li>
<li>Minimum of 5 years of professional engineering experience&nbsp;utilizing&nbsp;integrated development environments and debugging tools to troubleshoot software implementation and ensure integrity of the software products.&nbsp;</li>
<li>Experience with Windows Operating System and Microsoft Visual Studio, and Microsoft Azure DevOps Server.&nbsp;&nbsp;</li>
<li>Familiarity with laboratory test instrumentation, electronics, and software (Ex. NI VISA, NI Measurement and Automation Explorer, NI Switch Executive)&nbsp;</li>
</ul>
Desired Qualifications:
<ul>
<li>Working knowledge of computer architecture and computer hardware optimization techniques.&nbsp;</li>
<li>Extensive knowledge of common computer hardware interface and data protocols such as TCP/IP, UDP, or RS-422&nbsp;</li>
<li>Extensive knowledge of the development of software drivers for the operation of computer hardware interfaces.&nbsp;&nbsp;</li>
<li>Professional experience with Unified Modeling Language (UML) to visualize software architecture and design (EX. IBM Rhapsody, Cameo System Modeler, and Cameo Enterprise Architecture)&nbsp;</li>
<li>Professional experience of software development lifecycles, such as Agile&nbsp;</li>
<li>Experience with Software Configuration Management principles&nbsp;</li>
</ul>
The QDSS Advantage:&nbsp;&nbsp;
At QDSS, our advantage is purpose-driven work, collaborative teams, and complex challenges that push boundaries and build lasting impact.&nbsp;You’ll&nbsp;grow your career while contributing to mission-critical programs that demand excellence and shape the future.&nbsp;
What&nbsp;You’ll&nbsp;Find Here&nbsp;
<ul>
<li>Work That Matters – Next-generation, safety- and mission-critical projects where your contributions have real-world impact.&nbsp;</li>
<li>Growth&nbsp;That’s&nbsp;Supported – Competitive compensation, employer-matched 401(k), certification&nbsp;assistance, and clear opportunities for advancement.&nbsp;</li>
<li>A Culture That Works – A flexible, collaborative, and people-first environment where teamwork, innovation, and balance are valued.&nbsp;</li>
</ul>
Benefits Include&nbsp;
<ul>
<li>Competitive pay, comprehensive medical/dental/life&nbsp;and disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace.&nbsp;</li>
</ul><div class="content-pay-transparency"><div class="pay-input"><div class="description">Full compensation package is based on candidate experience and certifications</div><div class="title">Pay Ranges</div><div class="pay-range">$69&mdash;$74 USD</div></div></div><div class="content-conclusion">At Quest Defense Systems and Solutions, we don’t just build technology — we engineer the future. From next-generation aerospace solutions to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the boundaries of innovation. This is where problem-solvers, innovators, and visionary thinkers come together to shape the future. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Together, we’re not just leading the industry — we’re revolutionizing it.
&nbsp;
Quest Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.</div>

Principal Software Engineer - Test Systems

Software Engineer

BS in STEM or advanced degree with 3-5 years of experience; strong C++, C#, Python; Windows, Visual Studio, Azure DevOps; lab instrumentation; US citizenship and ability to obtain Secret Clearance; onsite in Tucson.

Date Posted:2026-03-09Country:United States of AmericaLocation:US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)Position Role Type:OnsiteU.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: SecretSecurity Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start dateAt 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.This position is 100% on site in Tucson, AZ and is 4th shift (12 hours shifts Friday, Saturday, and Sunday)Job Description:The Test Solutions Center (TSC) team within the Hardware Discipline Center is a multi-discipline organization that provides test solutions to support production lines for our entire missile portfolio. The software team within TSC is responsible for developing advanced windows application solutions for all Raytheon products. We are hands-on, designing with the latest technology and tools, and integrating state-of-the-art software solutions with the most advanced engineering systems in the world. TSC products are in engineering labs, in the field, and in production environments utilized for weapon system products. TSC has job opportunities across all phases of the engineering lifecycle, including demonstrations, early engineering tests, design verification tests, production, and post-production sustainment.The Senior Software Engineer with Test Equipment position is focused on the design, development, integration, and maintenance of software as a part of on-site factory support of systems to support weapon system product development. The selected candidate will develop applications, libraries, and instrument drivers using the software style, development language, and integrated development environment specified by the organization.The selected candidate will contribute to multidiscipline engineering teams. Typical work involves the development of both engineering and production equipment, environments, and systems. As such, the candidate will contribute to the completion of all stages of product development for RMD weapon system products. They will be expected to work, either as a part of a team or independently, to design, develop, and implement system level applications in support of producing and maintaining weapon system products.What You Will Do:<ul><li>Design, develop and integrate object-oriented software applications using C#, C&#43;&#43; in Microsoft Visual Studio in a Windows Operating System (OS)</li><li>Prioritize and handle multiple software engineering tasks concurrently</li><li>Troubleshoot software and test equipment instrumentation</li><li>Work in a multidiscipline engineering team environment</li><li>Develop and derive requirements for software products</li><li>Lead and mentor junior software engineers</li></ul>Qualifications You Must Have:<ul><li>Typically requires a Bachelor’s Degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum 8 years prior relevant experience, or an Advanced degree in a related field and minimum 5 years experience.</li><li>Experience in developing and integrating software applications using programming languages including but not limited to C&#43;&#43;, C#, Java, Python or Visual Basic.</li><li>Experience in utilizing integrated development environments and debugging tools to troubleshoot software implementation and ensure integrity of the software products.</li><li>Prior experience in Windows Operating System and Microsoft Visual Studio is required.</li><li>Prior experience in laboratory test instrumentation, electronics, and software (Ex. oscilloscopes, power supplies, digital multimeters)</li><li>The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.</li></ul>Qualifications We Prefer:<ul><li>Experience with computer architecture and computer hardware optimization techniques</li><li>Experience of the development of software drivers for the operation of computer hardware interfaces</li><li>Experience in common computer hardware interface and data protocols such as TCP/IP, UDP, or RS-422</li><li>Experience with Unified Modeling Language (UML) to visualize software architecture and design</li><li>Experience in software development lifecycles, such as Waterfall and Agile</li><li>Experience with Software Configuration Management principles</li><li>Experience with Microsoft Azure DevOps Server or GitHub</li><li>Written and interpersonal communication skills</li><li>Experience in leading teams/projects in a technical capacity</li></ul>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.Learn More &amp; 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: <a href="https://careers.rtx.com/global/en/raytheon-tucson,-az-location" target="_blank">https://careers.rtx.com/global/en/raytheon-tucson,-az-location</a>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. Privacy Policy and Terms:Click on this <a target="_blank" href="http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice">link</a> to read the Policy and Terms

Principal Software Engineer with Test Equipment - 4th Shift

Principal Software Engineer

Bachelor’s degree in STEM with 8+ years of relevant experience, or advanced degree with 5+ years; strong Windows/C++/C#/Java/Python skills; experience with test equipment; ability to obtain/maintain DoD security clearance; U.S. citizenship.

Date Posted:2026-03-12Country:United States of AmericaLocation:US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)Position Role Type:OnsiteU.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: SecretSecurity Clearance Status: Active and existing security clearance required on day 1At 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 Test Equipment Engineering (TEE) team within the Hardware Discipline Center is a multi-discipline organization responsible for developing advanced windows application solutions for all Raytheon products. We are hands-on, designing with the latest technology and tools, and integrating state of the art software solutions with the most advanced engineering systems in the world.  TEE products are in engineering labs, in the field, and in production environments utilized for weapon system products. TEE has job opportunities across all phases of the engineering lifecycle, including demonstrations, early engineering tests, design verification tests, production, and post-production sustainment.This position is focused on the design, development, integration, and maintenance of software as a part of on-site factory support of systems to support weapon system product development. The selected candidate will develop applications, libraries, and instrument drivers using the software style, development language, and integrated development environment specified by the organization.The selected candidate will contribute to multidiscipline engineering teams. Typical work involves the development of both engineering and production equipment, environments, and systems. As such, the candidate will contribute to the completion of all stages of product development for Raytheon weapon system products. They will be expected to work, either as a part of a team or independently, to design, develop, and implement system level applications in support of producing and maintaining weapon system products.What You Will Do: <ul><li>Design, develop and integrate object-oriented software applications using C#, C&#43;&#43; in Microsoft Visual Studio in a Windows Operating System (OS).</li><li>Prioritize and handle multiple software engineering tasks concurrently.</li><li>Troubleshoot software and test equipment instrumentation.</li><li>Work in a multidiscipline engineering team environment .</li><li>Develop and derive requirements for software products .</li></ul>Qualifications You Must Have:<ul><li>Master’s Degree in Science, Technology, Engineering, or Mathematics (STEM).</li><li>This position requires 12 months or less of professional experience (excluding internships).  </li><li>Experience in developing software applications using programming languages including but not limited to C&#43;&#43;, C#, Java, Python or Visual Basic.</li><li>Experience with Windows Operating System and Microsoft Visual Studio is required.</li></ul>Qualifications We Prefer:<ul><li>Experience in utilizing debugging tools to troubleshoot software implementation and ensure integrity of the software products</li><li>Knowledge in common computer hardware interface and data protocols such as TCP/IP or UDP</li><li>Knowledge of software development lifecycles, such as Waterfall and Agile</li><li>Knowledge of Software Configuration Management principles</li><li>3.0 cumulative GPA desired</li></ul>What We Offer:<ul><li>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. </li><li>Relocation Eligibility </li></ul>Learn More &amp; Apply Now!<ul><li>Please consider the following role type definition as you apply for this role. </li><li>Onsite: Employees who are working in Onsite roles will work 100% onsite. This includes all production and maintenance employees, as they are essential to the development of our products.</li><li>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.</li></ul>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. Privacy Policy and Terms:Click on this <a target="_blank" href="http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice">link</a> to read the Policy and Terms

2026 Fulltime Raytheon Software Engineer II - Test Equipment - Onsite

Master’s degree in STEM; up to 12 months of professional experience; programming in C++, C#, Java, Python, or Visual Basic; Windows and Visual Studio experience.

Python Test Software Developer Jobs in Whetstone, AZ, US | HiringCafe: every job on earth

Python Test Software Developer Jobs in Whetstone, AZ, US

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