Principal Systems Engineer

Raytheon Technologies

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Fullerton, CA, us on site Until 8/21/2026 H-1B sponsor history First posted March 27, 2025 Last posted March 27, 2025
Job description

Raytheon Technologies’ CODEX (Cyber Offense and Defense Experts) division brings together an elite team of mission-focused industry experts who are well known for their ability to overcome the most advanced technical challenges. The team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Our engineers do more than just work with cutting-edge technology—they ensure the missions succeed for the customers!  CODEX offices span the nation and offer its engineers the ability to advance their careers through mentorship, training, and an expansive technical portfolio that covers every side of cyber.Raytheon Technologies’ CODEX (Cyber Offense and Defense Experts) division brings together an elite team of mission-focused industry experts who are well known for their ability to overcome the most advanced technical challenges. The team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Our engineers do more than just work with cutting-edge technology—they ensure the missions succeed for the customers!  CODEX offices span the nation and offer its engineers the ability to advance their careers through mentorship, training, and an expansive technical portfolio that covers every side of cyber.

Join our Raytheon Air Traffic Systems engineering team and get the opportunity and support to find purpose, thrive and succeed.  We provide bonus opportunities, award winning wellness program, access to walking trails, outdoor patio, and great benefits that include medical, dental, vision, 401k match, and a flexible work schedule - just to name a few.

We are seeking a Principal Systems Engineer to join a multi-disciplinary group of System, Hardware and Software Engineers. Deliverables include:

Provide technical support and clarification of requirements to software development teams, and test personnel.
Perform system engineering analyses including trade studies, use case development, requirements definition and derivation, interface definition, and requirement validation and verification.
Support definition of operations concepts and procedure planning/ development, interfacing with personnel from other organizations.
Support technical interchange meetings with the team members and other program personnel and represents the organization in matters pertaining to the development of their project.
Support engineering change proposal efforts as needed

A minimum of 8 years of relevant experience in systems engineering
Current SECRET Clearance
Understanding of the complete Systems Engineering lifecycle from CONOPS through sustainment and deployment
Experience developing system and subsystem level requirements and designs for hardware and software implementations
Experience with requirements management tools (e.g., DOORS)
Experience in Agile processes and scrum
Experience planning, developing, and executing system and/or subsystem level integration and test
Experience managing data and performing analysis using Microsoft Excel, MATLAB, Simulink, or similar tools.
Experience with UNIX or Linux operating System, such as Oracle Solaris or Red Hat Enterprise Linux
Thorough knowledge of Microsoft Office products (Word, Excel, Outlook, and PowerPoint)
Ability to travel in support of the program

  • Experience in the System engineering, development, and operation of Air Traffic Management System
  • Experience with flight test planning and execution
  • Working knowledge of COTS servers, workstations, and networks
  • Experience presenting to the customer and senior level management
  • Experience using Python or other software development languages for purposes of data parsing, analysis, and visualization
  • Experience modifying and administering networked UNIX or Linux operating System, such as JumpStart or Automatic System Loader (ASL)
  • Product Owner or Scrum Master experience on a cross-functional development team
  • Experience with Atlassian tool suite such as JIRA, Confluence, Bamboo, and Bitbucket
  • Experience using CAMEO
  • Experience with Model Based Systems Engineering (MBSE) and SysML.

 

Raytheon Intelligence & Space is a leading provider of integrated sensor, communication and electronic warfare System giving military forces accurate and timely actionable information for the network-centric battlefield.

 

We offer robust reward and recognition programs in compensation, career development, health care, educational assistance, maternal and paternal leave, flexible work schedules, child/adult backup care, 401(k), paid holidays and paid time off.  In addition, this position is eligible for relocation assistance.

 

  • Employee Referral Award Eligibility: Only employees currently within RMD and RI&S have the potential to receive a Referral Award for submitting a referral to RMD and RI&S roles. ALL eligibility requirements must be met to receive the Referral Awarding.
  • This position requires either a U.S. Person or a Non-U.S. Person who is eligible to obtain any required Export Authorization.

 

Requires advanced to expert knowledge of work area typically obtained through advanced education combined with experience.

May have broad knowledge of project management. Requires substantial knowledge of RTX projects, programs or systems in order to provide enhancements within job area. Typically requires: A University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience

Engineering/Other Technical Positions: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a

minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations.

 

 

About this role

Summary

Support system requirements, analyses, and integration for cyber and air traffic systems.

Job title

Principal Systems Engineer

Experience level

8+ years

Industry

defense

Location requirements

Fullerton, CA, US; remote work not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

security clearancesystems engineeringrequirements managementAgileLinuxPythonUNIXCAMEOSysML

Preferred skills

flight test planningnetwork administrationScrum MasterJIRAConfluenceBambooBitbucketmodel based systems engineering

Specializations

cybersecuritysystems engineeringrequirements managementsystem integrationMBSE
Locations

Structured locations inferred from the posting.

Fullerton, CA, USA

On-site City