Raytheon Technologies

Principal Systems Engineer – Software Systems (Onsite)

Raytheon Technologies$107K — $204K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in STEM with 8+ years of engineering experience
  • Proven experience in Systems Engineering
  • Expertise in Model-Based Systems Engineering (MBSE)
  • Skills in Requirements Development, Management, and Verification for software products

Responsibilities

  • Update and maintain system and subsystem requirements specifications
  • Model system development processes using Cameo
  • Conduct trade studies and present findings to customers
  • Serve as technical contributor for verification and validation efforts
  • Collaborate with Systems, Software, and Test teams on technical tasks
  • Engage in technical discussions with customers
  • Mentor new team members and offer guidance in Systems Engineering

Benefits

  • Relocation assistance available
  • Commitment to safety, trust, respect, accountability, collaboration, and innovation
  • Comprehensive medical, dental, and vision options
  • 401(k) match and flexible spending accounts
  • Employee assistance program and parental leave
  • Paid time off and holidays
Full Job Description

Date Posted:

2026-06-08

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 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

The Systems Engineering and Test Capabilities (SETC) organization is currently hiring a Principal Systems Engineer to join our Tucson, AZ location. SETC is an exciting and challenging environment where you will have the opportunity to design, develop and partner with multi-disciplines to shape innovative solutions for our customers. Join our organization and experience the Systems V engineering life cycle while interfacing with a variety of engineering disciplines, subject matter experts, Chief Engineers, Chief Technologists, the customer, and so many more to ensure we design, integrate, and strengthen our systems to work the first time and every time for our warfighters!

As a Principal Systems Engineer you will support missile programs as a Software-focused Responsible Systems engineer, contributing directly to successful software requirements and integration for both fielded and development missile systems.  These responsibilities include managing system and subsystem requirements, providing SE technical oversight during integration and test activities, participating in verification and validation efforts for the system, and providing SE expertise in troubleshooting and failure investigations.  The Software-Systems role requires a high level of technical proficiency in the area of embedded software design, integration and test. This included multi-disciplined coordination, and establishing and maintaining relationships with the embedded software team and customer technical community.   

In this role, you will have the opportunity to work on an effectors project pertinent to the systems lifecycle.  This role is 100% on-site at our Tucson, AZ campus with the possibility of occasional travel.

What You Will Do

  • Update and maintain all system and subsystem level requirements specifications for embedded software, configurable logic and/or test systems software

  • Model the system and the system development and production processes using Cameo

  • Conduct Trade Studies and present results to customers

  • SE technical contributor for verification and validation efforts, ensuring all requirements are being assessed

  • Work closely with the Systems, Software, Configurable Logic and Test teams on a variety of program technical tasks

  • Participate in technical conversations with the customer

  • Become a knowledgeable and go-to Systems Engineer for the software centric program capabilities

  • Help to onboard new team members, mentor, and guide them using core Systems Engineering skills

Qualifications You Must Have

  • Typically requires a Bachelors in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of prior engineering experience.

  • Experience in Systems Engineering

  • Experience in Model-Based Systems Engineering (MBSE), Requirements Development, Requirements Management, Requirements Verification, or Integration and Test for software products

Qualifications We Prefer

  • Masters or PhD in Engineering, Math or Physics

  • Experience using Agile framework development methods / processes

  • Experience with Agile, Model-Based Systems Engineering (MBSE), and/or Digital Engineering

  • Experience presenting analytical and technical presentations

  • Experience evaluating and mitigating technical risks

  • A self-starter who can take on task with limited guidance

  • Customer focus and collaboration skills

  • Experience with performance analysis

  • Experience with DOORS and/or cPDM

  • Experience using Azure DevOps methods/tools

  • Experience with Matlab, C, C#, C++, Python

  • Ability to perform trade studies to optimize system performance

  • Understanding of Systems Engineering Product Development Cycle

  • Familiarity with system safety, reliability, and configuration management

  • Experience working in an integration lab, test facility, or in the field supporting integration and/or verification.

  • Experience evaluating systems using simulated environments

  • Experience generating technical documentation such as trade studies, test plans, procedures or technical reports.

  • Experience in integration with test equipment, telemetry data analysis tools, and missile systems host platforms

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 is available

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 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:  

  • This position is an onsite role  Tucson, AZ :

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect 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 candidates 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 companys 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.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

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Prepare for Your Future

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SEARCH RAYTHEON TECHNOLOGIES JOBS

Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

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