Principal Systems Engineer Requirements Lead (ONSITE)

Job Description

Date Posted:

2026-06-16

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

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.

Are you fascinated by the engineering precision that enables aircraft to safely land on aircraft carriers? At Collins Aerospace, you can play a pivotal role in shaping the next generation of mission-critical navigation systems. We are looking for a Principal Systems Engineer Requirements Lead to provide technical leadership within the systems engineering team and drive the development of requirements for the Joint Precision Approach and Landing System (JPALS) and related programs. This role is ideal for an experienced systems engineer who excels at solving complex problems, communicating clearly, and guiding cross-functional teams toward well-structured, high-quality system solutions.

As the Systems Engineering Requirements Lead, you will take ownership of defining, managing, and evolving the system requirements for a fielded GPS-based precision approach and landing system operating in some of the most demanding operational environments. You will lead the requirements process across the entire system lifecycle—ensuring clarity, traceability, and alignment with program needs—while collaborating with engineering, program management, test, and customer stakeholders.

What You Will Do

Support the JPALS and JPALS-adjacent programs
Own the system requirements lifecycle through system-level and subsystem-level requirements development based on customer specifications and operational concepts, requirements decomposition, allocation, and traceability
Analyze stakeholder needs and translate them into technical, testable, and feasible requirements
Apply systems thinking to ensure requirements completeness, consistency, and proper allocation across hardware, software, and interfaces
Lead system requirements engineering team and provide guidance through key systems engineering milestones, such as SRR, PDR, CDR, and other major reviews
Develop and maintain requirements in IBM Rational DOORS, including traceability and change impact assessment
Create and use scripts to automate documentation import/export to/from DOORS across multiple formats
Define and document system and subsystem interfaces, contributing to ICDs and architecture artifacts
Lead technical discussions, design reviews, and requirement change assessments
Support verification planning by defining verification methods and collaborating with test teams

Qualifications You Must Have

Extensive experience in systems engineering for complex, multi-disciplinary systems (hardware, software, avionics, mission systems, etc.)
Strong proficiency with requirements development, decomposition, allocation, and traceability across the system lifecycle
Demonstrated ability to lead cross-functional engineering teams in defining, reviewing, and managing requirements
Experience guiding teams through major reviews
Ability to mentor junior engineers and establish best practices for requirements management
Familiarity with generating and maintaining technical documentation such as specifications, ICDs, Test Requirements Documents (TRDs), and Verification Cross-Reference Matrices
Proficiency with IBM Rational DOORS and requirements management best practices
Proficient with Digital Engineering tools (DOORS, Cameo, Microsoft Office Suite, Jira, Confluence)
Experience with risk management, trade studies, and decision analysis
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

Qualifications We Prefer

Strong understanding of systems engineering principles and lifecycle (concept ? design ? integration ? verification ? validation)
Systems thinking & approach. Ability to understand how system components interact
Familiarity with Engineering Lifecycle Optimization (ELO) – Publishing
Prior work on GPS/PNT, avionics, or control systems
Experience with Model-Based System Engineering (MBSE) practices and tools and methodologies (e.g., Cameo/MagicDraw, Rhapsody, SysML)
Strong leader with focus and determination to ensure program success and product quality
Strong technical writing and communication skills; ability to present complex concepts clearly
Strong attention to detail, logical rigor, and ability to identify inconsistencies or gaps in requirements

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
And more!

Learn More & Apply Now!

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 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.

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.

Employee Referral Eligible

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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