Principal Systems Engineer - Missile Guidance, Navigation, and Control Engineer

Raytheon; Tucson (AZ); On-site; USD 107,500 - 204,500; Full time

Benefits offered by this job

Relocation Eligible

Comprehensive Benefits

401(k) Match

Job summary

Raytheon in Tucson, AZ is seeking a Principal Systems Engineer for Missile Guidance, Navigation, and Control. This role reports to the Systems Effectors group and focuses on embedded flight software, simulations, and performance optimization for 6‑DoF systems.

The candidate will work in an agile environment, lead engineering teams, and collaborate across a broad portfolio of programs. A Bachelor’s degree with 8+ years of relevant experience and proficiency in MATLAB/Python/C/C++ are required;

Qualifications

• Bachelor’s degree in Engineering, Science, Physics, or Mathematics.
• Minimum 8 years of relevant experience in a related field.
• GNC, Signal Processing, or Modeling/Simulation experience required.
• Proficiency with MATLAB, Python, C/C++ and OO design.

Responsibilities

• Develop, integrate, and test embedded missile flight code.
• Conduct system‑level performance analyses to guide new capabilities.
• Lead backlog and plan development within an Agile framework.
• Mentor engineers and support program training initiatives.
• Support missile performance analysis including modeling and Monte Carlo assessments.

Skills

GNC

Signal Processing

Modeling/Simulation

MATLAB

Python

C/C++

Interim Secret clearance

Leadership

Education

Bachelor’s degree in Engineering/Science/Math/Physics

Advanced degree

Tools

MATLAB

Python

C++

C

Object‑Oriented design

Job description

Principal Systems Engineer – Missile Guidance, Navigation, and Control Engineer

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 opportunities that are unmatched. Raytheon brings more than 100 years of experience and renowned engineering expertise to meet today’s mission needs and stay ahead of tomorrow’s threats. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world.

The Systems Effectors: Processing, Guidance & Control Center is responsible for algorithm development—including Guidance, Navigation, and Control; radio frequency (RF) and electro‑optical/infrared (EO‑IR) signal processing; 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.

We are currently hiring for a Principal Systems Engineer – Missile Guidance, Navigation, and Control Engineer position in Tucson, AZ. The role is onsite and requires collaboration with a team of engineers responsible for tactical embedded software, firmware, and integrated flight software 6‑Degrees‑of‑Freedom simulations to achieve overall system performance requirements.

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 capability, 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

• Typically requires a Bachelor’s degree in Engineering, Science, Physics, Mathematics, or a related STEM degree and a minimum of 8 years prior relevant experience
• GNC, Signal Processing, and/or Modeling / Simulation experience
• Engineering experience in missile system applications to include at least two of the following:
  • Digital and/or modern control systems
  • Dynamics
  • Kalman filter design
  • Monte Carlo analysis
  • Development and/or simulation of physical systems
  • Signal processing
  • Verification and validation
  • System‑level performance assessments
  • GPS/INS navigation systems, sensors, and algorithms
  • Assured Positioning, Navigation, and Timing (APNT) systems, sensors, and algorithms for navigation in GPS‑degraded environments
  • Experience with MATLAB, Python, C, C++, and/or Object‑Oriented design
  • Experience with GNC and/or Signal Processing algorithms within a simulation or physical environment
  • Experience managing or leading others in a technical and/or functional capacity within an engineering environment
  • 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

• Advanced Degree in Engineering, Science, Physics, Mathematics, or a related STEM degree
• 8 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 deadlines in an Agile environment
• Subject Matter Expert in at least one of the following areas: RF algorithm design, GNC algorithm design, autopilot algorithm design or Software in Simulation
• Experience with and demonstrable achievement in systems engineering principles with regards to product development

Salary

USD 107,500 – 204,500 (based on experience)

What We Offer

• Relocation Eligible – relocation assistance is available for this position
• 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
• Eligibility for annual short‑term and/or long‑term incentive compensation programs depending on role level and collective bargaining agreements
• Benefits depend on specific business unit and collective‑bargaining status

Equal Opportunity Statement

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.