Principal Systems Engineer (ONSITE)

Date Posted:

2026-05-28



Country:

United States of America

Location:

US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04

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

Raytheon Company, Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market. 

The Multi-Domain Assured Navigation & Timing Applications (MANTA) group within the Mission Critical Products organization is hiring a Principal Systems Engineer to join our Mission Systems organization in support of the Global Positioning System (GPS)-Based Positioning, Navigation and Timing Service (GPNTS) program. The Mission Systems organization is an exciting and challenging environment where you will have the opportunity to collaborate across disciplines to shape innovative solutions for our US customers.

Sign-on Bonus Eligible

What You Will Do:

Review and analyze the system level requirements to perform the following tasks:    

• Develop verifiable system level requirement

• Develop/execute test plans, verification and or acceptance test procedures, development of scripts as well as utilization/configuration of test equipment and tools such as GPS simulators to verify system requirements and prove compliance

• Manage updates and timely release of CDRLs/SDRLs, contributing to improvement in documentation cycle time and customer satisfaction

• Contribute to technical interchange meetings and design reviews (TRR, PDR, CDR)

• Provide verbal and written status on assigned Integrated Master Schedule (IMS) tasks

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience

• 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

• Working knowledge of SE fundamentals with ability to work with all engineering disciplines and program management

• Experience system functionality, creating block diagrams, and analyzing system performance via analysis of customer requirements specification

• Experience working in Development, System Test and Sell-off, involving Hardware/Software

• Experience of industry standards such as MIL-STD-810, MIL-STD-461, MIL-STD-704, for airworthiness, ARINC and RTCA standards are preferred

• Experience in System, Software, and Hardware Requirements management/traceability/allocation

• Familiarity with EVMS, ETCs, and ECPs

• Experience with Test Equipment/Tools, Technical Reviews and Production Readiness​

Qualifications We Prefer:

• Minimum 10 years of experience in one or more of the following technical domains: RF/IR signal processing, electronics, navigation (GPS or Inertial), modeling, and simulation (for example 6-DOF), aerodynamics, missile related mechanical engineering (flight control systems, warheads, missile structures, seeker gimbals, RF/IR seeker sub-systems)

• Understanding of guidance and navigation systems and relevant experience with GPS Receiver system design, integration, test, verification, and validation

• Familiarity with GPS standards (e.g. AV-861, DO-229)

• Familiarity in sub system or systems architecting and system-of-systems definition

• Familiarity with MOSA/SOSA/VITA/FACE standards

• Development of Python scripts

• Working knowledge of Model-Based Systems Engineering (MBSE)

• Proficient in DOORS NG

• Experience in Agile development and usage of Agile framework tools such as JIRA/Confluence

• Experience in RF signal processing

• Experience with commercial test equipment (e.g. DMM, Oscilloscope, Signal Generator, Spectrum Analyzer, Logic Analyzer)

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 illness insurance, 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 

• May be eligible for Relocation

• And more!  

Learn More & Apply Now!

Mission Systems: 

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. 

* Please consider the following role type definitions 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.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other – propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day.

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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 118,300 USD - 224,900 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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