Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Principal Systems Engineer - Test Lead (ONSITE)

$145.6k - $276.8k

Prattwhitney

Date Posted: 2026-09-30 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.

Collins Aerospace is looking for an experienced Senior Principal Systems Engineer - Test Lead who is passionate about solving complex problems and wants to make a real impact on the Joint Precision Approach and Landing System (JPALS) and adjacent programs. In this role, you will be leading all system-level test planning, coordination, execution, and reporting activities for the JPALS program. This role is responsible for ensuring successful verification of complex, safety‑critical, integrated hardware/software systems used in demanding operational environments. The Test Lead works closely with systems engineering, software, hardware, specialty engineering, flight test organizations, and government stakeholders.

What You Will Do

  • Serve as the primary technical leader for all developmental, integration, flight, and operational test activities for the JPALS program
  • Develop detailed test plans, procedures, schedules, and data collection strategies for laboratory, field, and shipboard testing
  • Lead multidisciplinary test teams, coordinating efforts across engineering, operations, manufacturing, and subcontractor partners
  • Manage test readiness reviews, safety reviews, range coordination, and instrumentation planning
  • Oversee execution of complex test events, ensuring adherence to safety, configuration control, and program requirements
  • Rapidly assess issues discovered during testing, drive root-cause analysis, and coordinate resolution paths with engineering teams
  • Maintain traceability of verification activities to system requirements, ensuring complete, compliant, and well-documented evidence
  • Prepare and deliver clear reports, briefings, and formal documentation for internal leadership and customer stakeholders

Qualifications You Must Have

  • Extensive experience in systems engineering and system-level test for complex, multi‑subsystem mission systems
  • Expertise across the full system test lifecycle, including test planning, requirements analysis/traceability, environment development, procedure creation, execution, reporting, and certification
  • Proven leadership of test activities for aerospace or defense programs, including flight or shipboard test environments and platform integration considerations
  • Strong knowledge of MIL‑STD testing and verification/validation practices for mission systems
  • Ability to interpret and manage requirements, interface control documents, CONOPS, technical specifications, TRDs, and verification matrices
  • Skilled in coordinating with government stakeholders, range personnel, and operational units; proficient with Digital Engineering tools (DOORS, Cameo, Jira, Confluence, Microsoft Office)
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience

Qualifications We Prefer

  • Strong understanding of GPS/GNSS-based systems, RF signal processing, differential corrections, or navigation performance metrics
  • Strong understanding of systems engineering principles and lifecycle (concept → design → integration → verification → validation)
  • Ability to understand how system components interact
  • Ability to identify requirement gaps, inconsistencies, conflicts, or duplication
  • Problem/Defect identification, reporting, and resolution
  • Exposure to Agile development workflows (Jira, Confluence)
  • Familiarity with Verification Cross‑Reference Matrices (VCRM), TRDs, or Systems Engineering Plan (SEP) artifacts

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
  • Carrot Health to hormonal 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
  • This position is eligible for relocation assistance
  • And more!

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.

Employee Referral Eligible #MISENG 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 145,600 USD - 276,800 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.

#J-18808-Ljbffr

Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Senior Principal Systems Engineer - Test Lead (ONSITE) in Fullerton, CA vacancy
  • $145.6k - $276.8k

     ...FULLERTON-676 ~ 1801 Hughes Dr ~ BLDG 676 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status...  ....Collins Aerospace is looking for an experienced Senior Principal Systems Engineer - Test Lead who is passionate about solving complex problems and wants... 
    Senior
    Temporary work
    Work experience placement
    For subcontractor
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Raytheon

    Fullerton, CA
    5 hours ago
  • $118.3k - $224.9k

     ...BLDG 676 Position Role Type:Onsite U.S. Citizen, U.S. Person,...  .... With our three market leading businesses, world-class operations...  .... We are looking for Principal Systems Engineers in Algorithms to support the...  ...be required to run and test modeling and simulation of... 
    Suggested
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Raytheon

    Fullerton, CA
    1 day ago
  • $95.5k - $181.7k

     ...BLDG 676 Position Role Type:Onsite U.S. Citizen, U.S. Person,...  ...defense.We are looking for a Senior Systems Engineer who is passionate about...  ...technical guidance from the team lead • Develop and maintain...  ...methods and collaborating with test teamsQualifications You Must... 
    Senior
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Raytheon

    Fullerton, CA
    4 days ago
  • $132.4k - $251.6k

     ...BLDG 338 Position Role Type:Onsite U.S. Citizen, U.S. Person,...  .... With our three market leading businesses, world-class operations...  ...(AST) is seeking an Sr Principal Systems Engineer / ICT Lead who strives for...  ...goes beyond acceptance testing and readiness reviews, to include... 
    Senior
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Raytheon

    Anaheim, CA
    4 days ago
  • $145.6k - $276.8k

     ...Position Role Type: Onsite U.S. Citizen, U.S....  ...our three market leading businesses, world-...  ..., motivated Senior Principal Electrical or Computer engineering candidate to be involved...  ...products across Mission Systems on the...  ...Creation of written test plan, testcases, code... 
    Senior
    Full time
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Relocation package
    Flexible hours

    RTX

    Fullerton, CA
    2 days ago
  • $118.3k - $224.9k

     ...Position Role Type: Onsite U.S. Citizen, U.S....  ...With our three market leading businesses, world-class...  ...experience and renowned engineering expertise to meet the needs...  ...Integration & Test of Radar Hardware and Software...  ...Performance Analysis Radar System Sell-Off... 
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Global HR, Inc.

    Fullerton, CA
    3 days ago
  • $118.3k - $224.9k

     ...Position Role Type:Onsite U.S. Citizen, U.S...  ...for an Electrical Engineer to join our...  ...Approach and Landing System (JPALS) program. We...  ...systems.This is a Principal Electrical Engineering...  ...-on unit/system testing and troubleshooting...  ...include leading design projects within... 
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Raytheon

    Fullerton, CA
    2 days ago
  • $75.8k - $144.2k

     ...Position Role Type:Onsite U.S. Citizen, U.S....  ...critical navigation systems. We are looking for Systems Engineers who are passionate about...  ...• Work closely with senior engineers and follow...  ...from the team lead • Learn to develop and...  ...and coordinate with test engineering teamsQualifications... 
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Raytheon

    Fullerton, CA
    3 days ago
  • $118.3k - $224.9k

     ...5 Position Role Type:Onsite U.S. Citizen, U.S. Person...  ...With our three market leading businesses, world-...  ...experience and renowned engineering expertise to meet the...  ...and defense.The System Security Engineering (...  ...definition, planning, and testing of security controls across... 
    Contract work
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Raytheon

    Fullerton, CA
    3 days ago
  • $112k - $127k

    DescriptionThe Senior Systems Engineer, SATCOM and RF Connectivity performs system-level engineering...  ...a senior technical authority and the principal point of reference, both internally and...  ...during development, laboratory and ground testing, flight test, and deploymentProvide... 
    Senior
    Full time

    RAVE Aerospace

    Brea, CA
    2 days ago
  • $112k - $127k

    DescriptionThe Systems Engineer - Connectivity Sustaining is the primary technical interface between...  ...product lines. This role encompasses test engineering, reliability engineering, and...  ...manufacturing test processes.This is a senior-level role requiring deep familiarity with... 
    Senior
    Full time

    RAVE Aerospace

    Brea, CA
    4 days ago
  • $112k - $127k

    DescriptionThe Senior Systems & Security Engineer performs system-level engineering work, in particular for requirements definition and verification...  .../tracking, security risk assessments, and penetration testing on software, hardware, and networked aircraft systemsAssisting... 
    Senior

    RAVE Aerospace

    Brea, CA
    3 days ago
  •  ...lower. Job Summary: Leads healthcare technology...  ...well as implementing systems and through investment...  ...technology expertise for testing clinical systems and equipment...  ...beginning to educate senior leaders to gain buy-in...  ...Cost Optimization Engineering Failure Analysis IT... 
    Senior
    Contract work
    Temporary work
    Work experience placement
    Flexible hours

    Kaiser Permanente

    Downey, CA
    4 days ago
  • $62.9k - $119.7k

     ...676 Position Role Type: Onsite U.S. Citizen, U.S. Person,...  ...employees within their job area. Test algorithms and models for the...  ...Conduct support analysis for system trouble shooting and analysis...  ...'s degree in Electrical Engineering, Computer Engineering or... 
    Full time
    Temporary work
    Work experience placement
    Internship
    Work at office
    Remote work
    Relocation
    Flexible hours

    RTX

    Fullerton, CA
    1 day ago
  • Intratek Computer, Inc., based in Irvine, California, is seeking a Senior IT Support Technician to support operations in Anaheim, CA. The...  ...of the MS Office Suite, and excellent customer service skills. Onsite work with a 9/80 flex schedule, paid benefits, and 401K are... 
    Senior
    Flexible hours

    Intratek Computer INC

    Anaheim, CA
    4 days ago
  • Lincoln Property Company in Anaheim, CA is seeking a Lead Building Engineer to oversee day-to-day operations and maintenance of building systems, supervise engineering staff and contractors, and ensure safe, reliable performance. The role requires strong knowledge of BAS... 
    Senior
    For contractors

    Lincoln Property Company

    Anaheim, CA
    1 day ago
  • Acara Solutions in Cypress, CA is seeking a Senior Principal Algorithm Software Systems Engineer to lead advanced defense algorithms, real-time tracking, and Kalman filtering initiatives. The role combines technical ownership with cross-functional program leadership in... 
    Senior

    Acara Solutions

    Cypress, CA
    3 days ago
  • $95.5k - $181.7k

     ...75 Position Role Type:Onsite U.S. Citizen, U.S. Person...  ...and renowned engineering expertise to meet the needs...  ...CA is looking to hire a Senior Software Engineer to work...  ...-time mission-critical systems. Key responsibilities include...  ...to design, develop, test, and deploy software... 
    Senior
    Temporary work
    Work experience placement
    Interim role
    Internship
    Work at office
    Remote work
    Flexible hours

    Raytheon

    Fullerton, CA
    3 days ago
  • $95.5k - $181.7k

     ...Position Role Type:Onsite U.S. Citizen, U.S...  ...our three market leading businesses, world-...  ...experience and renowned engineering expertise to meet...  ...a motivated Senior Software Engineer...  ...for tactical radar systems across high-performance...  ...Integration Testing (SWIT), troubleshoot... 
    Senior
    Temporary work
    Work experience placement
    Interim role
    Work at office
    Remote work
    Relocation
    Flexible hours

    Raytheon

    Fullerton, CA
    4 days ago
  •  ...91 Job Category: Pro - Engineering Position Type: Direct Placement...  ...Details: Job Title: Senior Principal Algorithm Software Systems EngineerLocation: Cypress...  ....What You'll Do:Lead the planning, execution,...  ...algorithm development and testing.What Sets You Apart: Ph.D... 
    Senior
    Contract work
    Worldwide
    Shift work
    Day shift

    Acara Solutions

    Cypress, CA
    4 days ago
  • $150.45k - $233.58k

     ...The Electro Optical Infrared Systems (EOIS) line of business within...  ...seeking a highly skilled Algorithms Engineer to join our advanced defense...  ...(OPIR) space payloads.Lead cross-functional teams and oversee...  ...for algorithm development and testing.Existing security clearance, TS... 
    Senior
    Contract work
    Work experience placement
    Local area
    Flexible hours

    Leonardo DRS

    Cypress, CA
    5 days ago
  • $75.8k - $144.2k

     ...76 Position Role Type:Onsite U.S. Citizen, U.S. Person...  ...With our three market leading businesses, world-class...  ...and renowned engineering expertise to meet the needs...  ...of innovative weapons systems and advanced Artificial...  ...Analysis Integration & Test of Radar Hardware and Software... 
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Raytheon

    Fullerton, CA
    2 days ago
  • $190.43k - $295.16k

     ...- $295,164.00 Position Summary:The Senior Director of Product Engineering leads the organization responsible for translating...  .... This is a hybrid role requiring onsite work three days per week (Tuesday,...  ...(FEA, FMEA, durability/performance testing) and ensure disciplined BOM, CAD,... 
    Senior
    Contract work
    Local area
    Remote work
    Monday to Friday
    Flexible hours
    3 days per week

    Exemplis

    Cypress, CA
    2 days ago
  • $133k - $161k

     ...out-of-the-box communication systems for satellites UAVs launch...  ...We are looking to add a Senior Spacecraft Systems Engineer to join our this role you will be responsible for leading the systems engineering activities...  ...integration and test mission operations and program... 
    Senior
    Permanent employment
    Full time
    Contract work
    Work experience placement
    Work at office
    Local area

    CesiumAstro

    Westminster, CA
    10 days ago
  • Pacific Power Solutions is seeking a Lead Solar Field Service Technician to serve as the...  ...commercial and industrial solar systems. You will lead crews, work independently...  ...safety, reliability and production. This senior role requires proven leadership, hands-on... 
    Senior

    Pacific Power Solutions, LLC (PPS)

    Anaheim, CA
    2 days ago
  • $100k - $125k

     ...Services is seeking a dedicated and experienced Senior Orthopedic Physical Therapist to join our...  ...each client. Work Environment This onsite position offers a collaborative...  ...executing comprehensive treatment programs that lead to significant patient improvements.... 
    Senior
    Hourly pay
    Full time
    Currently hiring
    Monday to Friday

    Baker's Field Therapy Services

    Santa Ana, CA
    11 hours ago
  •  ...leader in aerospace and defense, is seeking a Senior Field Service Technician for our Lakewood...  ..., maintain and repair radio and antenna systems, interact with customers and vendors, and...  ...and a GROL within six months. This onsite role offers competitive hourly pay with benefits... 
    Senior
    Hourly pay

    Collins Aerospace

    Lakewood, CA
    5 days ago
  • Inszone Insurance Services is seeking a Senior Personal Lines Insurance Specialist for the Lakewood, CA area. This full-time, onsite role involves quoting, selling policies, and advising clients to meet their insurance needs. The Senior brings experience, mentorship, and... 
    Senior
    Full time

    ADP, Inc.

    Lakewood, CA
    4 days ago
  • $150k - $180k

    Principal Mechanical Engineer As a Principal Engineer, you will work with a team of mechanical engineers...  ...of professionalism.Reviewing complex systems and product components to ensure compliance...  ..., instrumentation, diagnostics and test equipment to the Nuclear Power... 
    Full time
    Remote work

    Curtiss-Wright

    Brea, CA
    1 day ago
  •  ...seeking an experienced Senior Systems Programmer - Legacy...  ...with stakeholders to test applications following...  ...analytical skills Ability to lead complex infrastructure...  ..., Computer Science, Engineering, or a related field...  ...Initial three (3) weeks onsite required Ongoing... 
    Senior

    Hrimoveisararaquara

    Downey, CA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Principal Systems Engineer - Test Lead (ONSITE). Be the first to apply!