Sr. Principal Systems Engineer - Missile Guidance, Navigation, & Control Enginee
Raytheon, Tucson, AZ, United States
Date Posted: 2026-04-14
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 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 (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 and execute technology roadmaps.
The Effectors PG&C Center is currently hiring for a Sr. Principal Systems Engineer - Missile Guidance, Navigation & Control Engineer position in Tucson, AZ to support execution of the portfolio of current and upcoming missile programs. As a Sr. Principal Systems Engineer - Missile Guidance, Navigation & 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 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 10 years prior relevant experience
GNC, Signal Processing, and/or Modeling / Simulation experience
Engineering experience in missile system applications to include at least three of the following or subject matter expertise in at least one:
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 with 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 importanceAbility to balance multiple concurrent priorities with overlapping deadline 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 principals with regards to product development
Engineering team leadership
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.
Salary Range: 132,400 USD – 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels.
Hired applicants may be eligible for benefits, including 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 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.
Click on this link to read the Policy and Terms.
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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 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 (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 and execute technology roadmaps.
The Effectors PG&C Center is currently hiring for a Sr. Principal Systems Engineer - Missile Guidance, Navigation & Control Engineer position in Tucson, AZ to support execution of the portfolio of current and upcoming missile programs. As a Sr. Principal Systems Engineer - Missile Guidance, Navigation & 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 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 10 years prior relevant experience
GNC, Signal Processing, and/or Modeling / Simulation experience
Engineering experience in missile system applications to include at least three of the following or subject matter expertise in at least one:
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 with 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 importanceAbility to balance multiple concurrent priorities with overlapping deadline 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 principals with regards to product development
Engineering team leadership
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.
Salary Range: 132,400 USD – 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels.
Hired applicants may be eligible for benefits, including 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 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.
Click on this link to read the Policy and Terms.
#J-18808-Ljbffr