Principal Project Engineer IV(Onsite)

RTX; Phoenix (AZ); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) plan with employer 

Tuition reimbursement

Life insurance

Employee assistance program

Job summary

RTX, the world’s largest aerospace and defense company, seeks a motivated Principal Project Engineer to lead Materials Engineering projects in an onsite role in the United States. You will guide cradle-to-delivery scope, risks, and cross-functional collaboration to deliver on-cost and on-schedule outcomes.

You will mentor early-career professionals, manage $500K+ projects, develop reports with CPI/SPI/EAC metrics, and align schedules with the Work Breakdown Structure.

Qualifications

• Requires STEM degree with 8+ years experience, or advanced degree with 5+ years experience.
• Proficient in MS Project, including resource loading, critical path analysis, and earned value management.

Responsibilities

• Develop and manage Materials Engineering project scope and schedules from cradle to first delivery.
• Lead multiple medium to large projects ($500K+) delivering on-cost, on-schedule and on-technical execution.
• Manage project risks, assumptions and dependencies.
• Prepare progress reports and key project performance metrics including CPI/SPI/EAC.
• Support vendor/supplier/contractor oversight, ensuring alignment with project objectives.
• Provide regular status updates to leadership, sponsors, customers and stakeholders.

Skills

MS Project

Earned value management

Education

STEM degree

Advanced degree in related field

Job description

Date Posted: 2026-10-29

Country: United States of America

Location: US-AZ-PHOENIX-3414-B2 ~ 3414 S 5th St ~ BLDG 2

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here. https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

Security Clearance Type: None/Not Required

Security Clearance Status: Not Required

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace 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.

We are seeking a motivated and experienced Principal Project Engineer to lead and oversee operational sustainment and material projects. In this role, you will play a critical part in ensuring the successful planning, execution, and delivery of projects while fostering collaboration among cross-functional teams.

What You Will Do:

• Develop and manage Materials Engineering project scope and schedules from cradle to first delivery
• Lead multiple medium to large projects ($500K+) delivering on-cost, on-schedule and on-technical execution
• Manage project risks, assumptions and dependencies
• Prepare progress reports and key project performance metrics including CPI/SPI/EAC
• Support vendor/supplier/contractor oversight, ensuring alignment with project objectives
• Provide regular status updates on projects to leadership, project sponsors, customers, and other stakeholders
• Facilitate communication between functional groups, stakeholders and customers
• Align project schedules with the Work Breakdown Structure to ensure proper planning, monitoring and control
• Identify, communicate, and resolve project issues in collaboration with project stakeholders
• Ensure scope changes are identified, documented, and communicated to the program manager for appropriate action
• Support continuous improvement in maturing standards, procedures, and tools for effective project management practices
• Mentor early-career professionals by providing guidance, support, and knowledge sharing to enhance team capabilities

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
• Proficient in MS Project, including resource loading, critical path analysis, and earned value management

Qualifications We Prefer:

• Preferred expertise in material science with a focus on coated fabrics, including their manufacturing, properties, applications, and performance in aerospace environment
• Project Management certifications (PMP, Agile, SAFe)
• Experienced in stage/gate development processes

What We Offer:

Some of our competitive benefits package includes:

• 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 building
• 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!

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.

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings.

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.

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 107,500 USD - 204,500 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.