Sr. Principal Systems Engineer - Software and Performance Lead

Date Posted:

2026-01-20

Country:

United States of America

Location:

US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030

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 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 Processing, Guidance & Control Cross-Product Center is responsible for algorithm development including Guidance, Navigation, and Control; radio frequency (RF) and electro-optical/infrared (EO-IR) Signal Processing (SP); and missile- and sensor-level Modeling and Simulation for Raytheon's broad portfolio of projects, programs, and products. In the GNC department, we design, integrate, and optimize effector guidance, tracking, navigation, and estimation algorithms to meet mission objectives. We support new business initiatives and help develop & execute technology roadmaps.

The PG&C Center is currently hiring a Sr. Principal Systems Engineer - Software and Performance Lead position in Tucson, AZ within the Advanced Hypersonic Warfare SSBU that is part of the Advanced Technologies SBU. As a Sr. Principal Systems Engineer - Software and Performance Lead you will be a technical and programmatic team leader on a hypersonic weapon program responsible for iterative hardware and software improvements of an existing design to support progression towards production and fielding.

In this role, you will report to the Program Manager and provide technical leadership, management, and oversight of a multidisciplinary team of more than 40 engineers as the program goes through ground and flight test execution and operationally traceable simulated performance assessments. This position is an onsite role located in Tucson, AZ.

What You Will Do

• Plan, manage, and report on budget and schedule performance, including responsibility for Earned Value Management (EVM), development of and alignment with the Integrated Master Schedule (IMS), and coordination with program planning and finance teams.
• Lead cross-functional engineering teams through the design implementation and verification phases, including ground and flight testing and simulated performance assessments, ensuring technical, cost, and schedule objectives are met.
• Shape the system implementation and execution, using inputs from engineering disciplines to make informed decisions that ensure design compliance, performance, and alignment with customer mission needs.
• Represent Systems Engineering and overall technical execution to Raytheon program leadership, the Office of the Chief Engineer, and multiple integrated product teams (IPTs), ensuring consistency, coordination, and execution across the program.
• Maintain regular communication with Raytheon leadership, reporting program status, accomplishments, challenges, and resource needs, while driving collaboration and alignment across all technical sub-teams.
• Engage directly with customer stakeholders, including acquisition and technical communities, to shape, interpret, and negotiate development of the system.
• Mentor and support engineering team members, facilitating knowledge sharing, technical decision-making, and engagement of Subject Matter Experts (SMEs) where needed to resolve complex issues.
• Apply experience in system-level design, integration, and verification, leading technical reviews, managing risk, and ensuring traceability and compliance throughout the engineering development process.

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 prior relevant experience
• Engineering experience in missile system applications to include at least three of the following:
  • Digital and/or modern control systems
  • Trajectory design and optimization
  • GPS/INS navigation systems, sensors, and algorithms
  • Monte Carlo analysis
  • Development and/or simulation of physical systems
  • RF Signal processing
  • Kalman filter design
  • Embedded flight software development
  • Missile firmware development
  • System-level performance assessments
• Functional and/or Technical Engineering Team Lead Experience
• Familiarity with program management tools such as Earned Value Management System (EVMS), Integrated Master Plan (IMP), Integrated Master Schedule (IMS), Basis of Estimate (BoE), and/or Risk and Opportunity Management to identify issues and develop recommended courses of action to management
• Active and transferable Secret U.S. government issued Security Clearance is required prior to start date with the ability to obtain special program access after start

Qualifications We Prefer

• Advanced Degree in Engineering, Science, Physics, Mathematics, or a related STEM degree
• 10 or more years of GNC, Signal Processing, and/or Modeling / Simulation experience
• Ability to communicate effectively with executive leadership and customers regarding matters of significant importance
• Ability to balance multiple concurrent priorities with overlapping deadline in an Agile environment
• Subject Matter Expert in at least one of the following areas: Embedded software and firmware development, RF algorithm design, GNC algorithm design, autopilot algorithm design, or Software-in-Simulation
• Experience with and demonstrable achievement in systems engineering principals with regards to product development
• Experience leading teams of 10+ engineers
• Large program experience with program management tools such as Earned Value Management System (EVMS), Integrated Master Plan (IMP), Integrated Master Schedule (IMS), and/or Risk and Opportunity Management to identify issues and develop recommended courses of action to management

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 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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