2026 - Guidance, Navigation & Control - Systems Engineer II - Onsite

Date Posted: 2026-07-06 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: Active and existing security clearance required on day 1 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. 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.  Job Summary: The Effectors PG&C Center is currently hiring for a Systems Engineer - Guidance, Navigation, and Control Engineer position in Tucson, AZ to support execution of the portfolio of current and upcoming missile programs. As a Systems Engineer – Guidance, Navigation, and Control Engineer, you will play a critical role in helping with the evaluation, design, implementation, and integration of embedded software algorithms. You will collaborate with a team of engineers in an integrated product team that will be responsible for tactical embedded software, firmware, and integrated flight software 6 Degrees-of-Freedom simulations to achieve overall system performance requirements.  This position is an onsite role located in Tucson, AZ.    What You Will Do:    Development, integration, and testing of embedded tactical missile flight code  Definition and execution of system level performance studies and analyses to inform the development and integration of new capabilities, refinement of existing capabilities, or to address obsolescence  Work within an agile framework to lead development of backlogs, plans, and metrics   Provide experience and guidance to help the program train new engineers and execute efficiently and effectively   Support missile performance analysis including model development, system optimization, and Monte Carlo assessments with expected system disturbances.  Qualifications You Must Have :  Requires a Master’s degree in Engineering, Science, Physics, Mathematics, or a related STEM degree with a cumulative GPA of 3.0 or higher  GNC, Signal Processing, and/or Modeling / Simulation experience  Course work or other relevant engineering experience in missile system applications to include at least one of the following: Digital and/or modern control systems, Dynamics, Kalman filter design, Signal processing, Navigation systems, sensors, and algorithms including GPS/INS systems or other Assured Position, Navigation, and Timing (APNT) systems  Ability to obtain and maintain a U.S. government issued security clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.  Experience may be obtained through on‑the‑job experience, research, coursework, or projects  Qualifications We Prefer:   Specific majors: Aerospace Engineering, Electrical Engineering, Mechanical Engineering, Physics, Mathematics, or Computer Science  Experience with MATLAB, Python, C, C++, and/or Object-Oriented design and Linux operating systems  Class projects, professional internships, or academic research demonstrating the ability to apply technical course work or computer skills  Effective communication or 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. 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 factor