Principal Systems Engineer Requirements Lead (ONSITE)

RTX • Fullerton, CA

5d • Onsite

About The Position

Collins Aerospace, an RTX company, is seeking 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.

Requirements

• 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
• 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
• Active and existing security clearance required after day 1

Nice To Haves

• 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

Responsibilities

• 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

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Principal