Systems Engineer – Algorithms (ONSITE)

globalhr; Fullerton (CA); On-site; USD 76,000 - 144,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

401(k) plan with employer matching

Tuition reimbursement

Life insurance and disability

Adoption Assistance

Employee Assistance Program

Wellness incentives

Flexible spending accounts

Parental leave

Teladoc or virtual care

Job summary

Raytheon Technologies, a leader in aerospace and defense, seeks Algorithms Systems Engineers to support the JPALS program in an onsite role in Fullerton, CA. The position focuses on testing algorithms, developing testing tools, and performing thorough data analysis with MATLAB/Simulink.

The candidate will work under limited supervision or with a team, documenting equations and plots in MATLAB, and may guide others in the future. A SECRET clearance is required.

Qualifications

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) with 2+ years of relevant experience.
• Ability to obtain a SECRET security clearance is required.
• Experience in reading and developing algorithm descriptions, mathematical expressions and derivations.

Responsibilities

• Test algorithms and models for the JPALS program.
• Develop tools to facilitate testing.
• Work on multiple tasks in a software development environment.
• Conduct analysis for system troubleshooting and analysis.
• Improve code quality by code reviews and best practices.

Skills

Numerical analysis

Data analysis

System-level analysis

Anomaly investigation

Mathematics

Communication

Education

STEM degree (B.S. or higher)

Advanced degree in related field

Tools

Simulink

MATLAB

Job description

Date Posted: 2026-08-04

Country: United States of America

Location: US-CA-FULLERTON-676 ~ 1801 Hughes Dr ~ BLDG 676

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. 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 after day 1

Raytheon Company, Managed by Collins Aerospace

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.

Collins Aerospace, an RTX company, is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. We are looking for Algorithms Systems Engineers to support the Joint Precision Approach and Landing System (JPALS) program.

This individual will be required to run and test modeling and simulation of algorithmic models using Simulink and MATLAB. The work is highly technical, and the individual must be comfortable with documenting equations, derivation, and generation of plots in MATLAB. The individual must be comfortable with data and statistical analysis. The successful candidate must be able to work on individual tasks under limited supervision, or with a team to achieve operational targets and must have the ability to communicate and collaborate with parties within and outside of own job function. Eventually the candidate may be responsible for helping to provide guidance, coaching and training to other employees within their job area.

What You Will Do

• Test algorithms and models for the JPALS program
• Develop the necessary tools to accomplish sufficient testing
• Work on multiple tasks in a software development environment
• Conduct analysis for system trouble shooting and analysis
• Improve code quality by performing code reviews and good software practice

Qualifications You Must Have

• Proficiency in MATLAB; code optimization and numerical stability
• Understanding of basic software development principles – configuration control, collaborative development, formal processes
• Experience in reading and developing algorithm descriptions, mathematical expressions and derivations, matrix manipulations, outlier analysis, and system level analysis
• Experience in performing data analysis and problem solving (e.g. anomaly investigation)
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 2 years of prior relevant experience or an Advanced Degree in a related field
• Ability to obtain a SECRET Security Clearance

Qualifications We Prefer

• Experience in the systems engineering discipline
• Experience performing complex statistical analysis and/or mathematical modeling
• Experience performing model driven design using Simulink and auto generated code
• Experience with development of solutions to GPS Navigation Systems
• Willingness to travel and do field work

What We Offer

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance,critical illnessinsurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• And more!

The salary range for this role is 75,800 USD - 144,200 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.

Employee Referral Eligible

#MISENG

Please ensure the role type (defined below) is appropriate for your needs before applying to 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.

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.